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1781 lines
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<a href="#nested-classes">Data Structures</a> |
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<a href="#define-members">Macros</a> |
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<div class="headertitle">
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<div class="title">CSI: CMOS Sensor Interface</div> </div>
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<div class="contents">
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<a name="details" id="details"></a><h2 class="groupheader">Overview</h2>
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<p>The MCUXpresso SDK provides a driver for the CMOS Sensor Interface (CSI)</p>
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<p>The CSI enables the chip to connect directly to external CMOS image sensors. The CSI driver provides functional APIs and transactional APIs for the CSI module. The functional APIs implement the basic functions, so the user can construct them for a special use case. The transactional APIs provide a queue mechanism in order for the user to submit an empty frame buffer and get a fully-filled frame buffer easily.</p>
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<h1><a class="anchor" id="CSIFBQ"></a>
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Frame Buffer Queue</h1>
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<p>The CSI transactional functions maintain a frame buffer queue. The queue size is defined by the macro CSI_DRIVER_QUEUE_SIZE. The queue size is 4 by default, but the user can override it by redefining the macro value in the project setting.<br/>
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To use transactional APIs, first call <a class="el" href="a00017.html#gaff15e4c1cd458f686e4f296ce3d417d5">CSI_TransferCreateHandle</a> to create a handle to save the CSI driver state. This function initializes the frame buffer queue to empty status.<br/>
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After the handle is created, the function <a class="el" href="a00017.html#ga807a6677a22856cf8ad1e37253b14d44">CSI_TransferSubmitEmptyBuffer</a> can be used to submit the empty frame buffer to the queue. If the queue does not have room to save the new empty frame buffers, this function returns with an error. It is not necessary to check the queue rooms before submitting an empty frame buffer. After this step, the application can call <a class="el" href="a00017.html#ga65a17c86c64297a09857e435588a65d6">CSI_TransferStart</a> to start the transfer. There must be at least two empty buffers in the queue, otherwise this function returns an error. The incoming frames are saved to the empty buffers one by one, and a callback is provided when every frame completed. To get the fully-filled frame buffer, call the function <a class="el" href="a00017.html#ga36f7bf646f55c098fb12d6fa387d6424">CSI_TransferGetFullBuffer</a>. This function returns an error if the frame buffer queue does not have full buffers. Therefore, it is not necessary to check the full buffer number in the queue before this function.<br/>
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To stop the transfer, call the function <a class="el" href="a00017.html#gac20498234465760225985287ff862751">CSI_TransferStop</a> at anytime. If the queue has some full frame buffers, the application can still read them out after this stop function.<br/>
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Once the transfer is started by calling <a class="el" href="a00017.html#ga65a17c86c64297a09857e435588a65d6">CSI_TransferStart</a>, the CSI device starts to receive frames and save into buffer. The CSI devices does not stop until <a class="el" href="a00017.html#gac20498234465760225985287ff862751">CSI_TransferStop</a> is called. If application does not submit empty buffer to CSI driver, the CSI driver always writes to the last submited empty buffer, this buffer will never be sent into full buffer queue until new empty buffer submited. In other words, one frame buffer is reserved by CSI driver, if application submits N empty buffers, it could get (N-1) full buffers.</p>
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<h1><a class="anchor" id="CSIFRAG"></a>
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Fragment Mode</h1>
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<p>The frame buffer queue mechanism needs large memory, it is not suitable for some special case, for example, no SDRAM used. Fragment mode is designed for this purpose, it needs two types of buffers:</p>
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<ol type="1">
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<li>DMA buffer. It could be as small as (camera frame width x 2 x 2) bytes, CSI DMA writes the input data to this buffer.</li>
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<li>Frame buffer. The input data is copied to this buffer at last. What is more, user could define a window (in other words, region of interest), only image in this window will be copied to the frame buffer. If input data is YUV422 format, user can only save Y component optionally.</li>
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</ol>
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<p>Limitations:</p>
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<ol type="1">
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<li>Fragment mode could not be used together with frame buffer queue mode.</li>
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<li>In fragment mode, user should pay attention to the system payload. When the payload is high, the image capture might be broken.</li>
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</ol>
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<h1><a class="anchor" id="CSICase"></a>
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Typical use case</h1>
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<p>Refer to the driver examples codes located at <SDK_ROOT>/boards/<BOARD>/driver_examples/csi </p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
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Data Structures</h2></td></tr>
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<tr class="memitem:a00335"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#a00335">_csi_config</a></td></tr>
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<tr class="memdesc:a00335"><td class="mdescLeft"> </td><td class="mdescRight">Configuration to initialize the CSI module. <a href="a00017.html#a00335">More...</a><br/></td></tr>
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<tr class="separator:a00335"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a00336"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#a00336">_csi_handle</a></td></tr>
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<tr class="memdesc:a00336"><td class="mdescLeft"> </td><td class="mdescRight">CSI handle structure. <a href="a00017.html#a00336">More...</a><br/></td></tr>
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<tr class="separator:a00336"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
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Macros</h2></td></tr>
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<tr class="memitem:ga6f3f169f7ba5517e946634a28add89e1"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga6f3f169f7ba5517e946634a28add89e1">CSI_DRIVER_QUEUE_SIZE</a>   4U</td></tr>
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<tr class="memdesc:ga6f3f169f7ba5517e946634a28add89e1"><td class="mdescLeft"> </td><td class="mdescRight">Size of the frame buffer queue used in CSI transactional function. <a href="#ga6f3f169f7ba5517e946634a28add89e1">More...</a><br/></td></tr>
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<tr class="separator:ga6f3f169f7ba5517e946634a28add89e1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga24e366c9c656595ba3258f0e6bc59c74"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga24e366c9c656595ba3258f0e6bc59c74">CSI_DRIVER_FRAG_MODE</a>   0U</td></tr>
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<tr class="memdesc:ga24e366c9c656595ba3258f0e6bc59c74"><td class="mdescLeft"> </td><td class="mdescRight">Enable fragment capture function or not. <a href="#ga24e366c9c656595ba3258f0e6bc59c74">More...</a><br/></td></tr>
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<tr class="separator:ga24e366c9c656595ba3258f0e6bc59c74"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a>
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Typedefs</h2></td></tr>
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<tr class="memitem:ga38c28eea487217a99433bc441abcd017"><td class="memItemLeft" align="right" valign="top">typedef enum <a class="el" href="a00017.html#ga612584939135a10bf4b198e805785762">_csi_work_mode</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga38c28eea487217a99433bc441abcd017">csi_work_mode_t</a></td></tr>
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<tr class="memdesc:ga38c28eea487217a99433bc441abcd017"><td class="mdescLeft"> </td><td class="mdescRight">CSI work mode. <a href="#ga38c28eea487217a99433bc441abcd017">More...</a><br/></td></tr>
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<tr class="separator:ga38c28eea487217a99433bc441abcd017"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gad0d5e8a230f4021a71ef3792ee99f8d7"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gad0d5e8a230f4021a71ef3792ee99f8d7"></a>
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typedef enum <a class="el" href="a00017.html#ga230259b1b2d94e1c0049171840fbb049">_csi_data_bus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#gad0d5e8a230f4021a71ef3792ee99f8d7">csi_data_bus_t</a></td></tr>
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<tr class="memdesc:gad0d5e8a230f4021a71ef3792ee99f8d7"><td class="mdescLeft"> </td><td class="mdescRight">CSI data bus witdh. <br/></td></tr>
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<tr class="separator:gad0d5e8a230f4021a71ef3792ee99f8d7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga7d2e9074e11fec0878ae4199b708eb31"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="a00017.html#a00335">_csi_config</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga7d2e9074e11fec0878ae4199b708eb31">csi_config_t</a></td></tr>
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<tr class="memdesc:ga7d2e9074e11fec0878ae4199b708eb31"><td class="mdescLeft"> </td><td class="mdescRight">Configuration to initialize the CSI module. <a href="#ga7d2e9074e11fec0878ae4199b708eb31">More...</a><br/></td></tr>
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<tr class="separator:ga7d2e9074e11fec0878ae4199b708eb31"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga3ed868a78c932aa1904d48c0d65cf650"><td class="memItemLeft" align="right" valign="top">typedef enum <a class="el" href="a00017.html#gac3edbdbf7abc89ac49f0a44af06f6f24">_csi_fifo</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga3ed868a78c932aa1904d48c0d65cf650">csi_fifo_t</a></td></tr>
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<tr class="memdesc:ga3ed868a78c932aa1904d48c0d65cf650"><td class="mdescLeft"> </td><td class="mdescRight">The CSI FIFO, used for FIFO operation. <a href="#ga3ed868a78c932aa1904d48c0d65cf650">More...</a><br/></td></tr>
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<tr class="separator:ga3ed868a78c932aa1904d48c0d65cf650"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga68a7e9c86a91b7ffb6547cf762ef6f3f"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga68a7e9c86a91b7ffb6547cf762ef6f3f">csi_transfer_callback_t</a> )(CSI_Type *base, <a class="el" href="a00017.html#a00336">csi_handle_t</a> *handle, <a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> status, void *userData)</td></tr>
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<tr class="memdesc:ga68a7e9c86a91b7ffb6547cf762ef6f3f"><td class="mdescLeft"> </td><td class="mdescRight">CSI transfer callback function. <a href="#ga68a7e9c86a91b7ffb6547cf762ef6f3f">More...</a><br/></td></tr>
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<tr class="separator:ga68a7e9c86a91b7ffb6547cf762ef6f3f"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a>
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Enumerations</h2></td></tr>
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<tr class="memitem:gab04a0655cd1e3bcac5e8f48c18df1a57"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom">{ <br/>
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  <a class="el" href="a00017.html#ggab04a0655cd1e3bcac5e8f48c18df1a57a14ddc6ba82ee752fdfe1f4b0e64d5533">kStatus_CSI_NoEmptyBuffer</a> = MAKE_STATUS(kStatusGroup_CSI, 0),
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<br/>
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  <a class="el" href="a00017.html#ggab04a0655cd1e3bcac5e8f48c18df1a57a4fb022ca8ae559e96d18524e7ea09a5f">kStatus_CSI_NoFullBuffer</a> = MAKE_STATUS(kStatusGroup_CSI, 1),
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<br/>
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  <a class="el" href="a00017.html#ggab04a0655cd1e3bcac5e8f48c18df1a57a6517cec370f757b84ba21eb690e51635">kStatus_CSI_QueueFull</a> = MAKE_STATUS(kStatusGroup_CSI, 2),
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<br/>
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  <a class="el" href="a00017.html#ggab04a0655cd1e3bcac5e8f48c18df1a57ac9a47e7b267d5ece60e04306d2e245d2">kStatus_CSI_FrameDone</a> = MAKE_STATUS(kStatusGroup_CSI, 3)
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<br/>
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}</td></tr>
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<tr class="memdesc:gab04a0655cd1e3bcac5e8f48c18df1a57"><td class="mdescLeft"> </td><td class="mdescRight">Error codes for the CSI driver. <a href="a00017.html#gab04a0655cd1e3bcac5e8f48c18df1a57">More...</a><br/></td></tr>
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<tr class="separator:gab04a0655cd1e3bcac5e8f48c18df1a57"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga612584939135a10bf4b198e805785762"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga612584939135a10bf4b198e805785762">_csi_work_mode</a> { <br/>
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  <a class="el" href="a00017.html#gga612584939135a10bf4b198e805785762ab707b88b2c5b3ca70afe6b78f2988571">kCSI_GatedClockMode</a> = CSI_CR1_GCLK_MODE(1U),
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<br/>
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  <a class="el" href="a00017.html#gga612584939135a10bf4b198e805785762aefff73d6d0ed48e20bb12df629036633">kCSI_NonGatedClockMode</a> = 0U,
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<br/>
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  <a class="el" href="a00017.html#gga612584939135a10bf4b198e805785762abab5a5dfbcc1c77bc66513760fdb0ddf">kCSI_CCIR656ProgressiveMode</a> = CSI_CR1_CCIR_EN(1U)
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<br/>
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}</td></tr>
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<tr class="memdesc:ga612584939135a10bf4b198e805785762"><td class="mdescLeft"> </td><td class="mdescRight">CSI work mode. <a href="a00017.html#ga612584939135a10bf4b198e805785762">More...</a><br/></td></tr>
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<tr class="separator:ga612584939135a10bf4b198e805785762"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga230259b1b2d94e1c0049171840fbb049"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga230259b1b2d94e1c0049171840fbb049">_csi_data_bus</a> { <br/>
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  <a class="el" href="a00017.html#gga230259b1b2d94e1c0049171840fbb049ae6e9f2234f6b659241d9d504457e04dd">kCSI_DataBus8Bit</a>,
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<br/>
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  <a class="el" href="a00017.html#gga230259b1b2d94e1c0049171840fbb049ab41330fa7ebc27664112a4b592b53626">kCSI_DataBus16Bit</a>,
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<br/>
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  <a class="el" href="a00017.html#gga230259b1b2d94e1c0049171840fbb049ad26851c8a6a7be5e501625034e0f6a99">kCSI_DataBus24Bit</a>
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<br/>
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}</td></tr>
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<tr class="memdesc:ga230259b1b2d94e1c0049171840fbb049"><td class="mdescLeft"> </td><td class="mdescRight">CSI data bus witdh. <a href="a00017.html#ga230259b1b2d94e1c0049171840fbb049">More...</a><br/></td></tr>
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<tr class="separator:ga230259b1b2d94e1c0049171840fbb049"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gafda41057e6d13039ca0d139b89abde64"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#gafda41057e6d13039ca0d139b89abde64">_csi_polarity_flags</a> { <br/>
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  <a class="el" href="a00017.html#ggafda41057e6d13039ca0d139b89abde64aa1f34086d7ab2823fc0036e30e0b5889">kCSI_HsyncActiveLow</a> = 0U,
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  <a class="el" href="a00017.html#ggafda41057e6d13039ca0d139b89abde64aab952a4e21500ee629a8bd16ece03b3f">kCSI_HsyncActiveHigh</a> = CSI_CR1_HSYNC_POL_MASK,
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  <a class="el" href="a00017.html#ggafda41057e6d13039ca0d139b89abde64aa98b2058628ba0d2bff537f81df0bfc9">kCSI_DataLatchOnRisingEdge</a> = CSI_CR1_REDGE_MASK,
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  <a class="el" href="a00017.html#ggafda41057e6d13039ca0d139b89abde64a86d385db0cc0163dc5a0a44aad733a80">kCSI_DataLatchOnFallingEdge</a> = 0U,
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  <a class="el" href="a00017.html#ggafda41057e6d13039ca0d139b89abde64a4926dcbdf349c2cf3d8dd88d12f4bb9f">kCSI_VsyncActiveHigh</a> = 0U,
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  <a class="el" href="a00017.html#ggafda41057e6d13039ca0d139b89abde64a9c1a612c6d6e49ba13091df9d6046aab">kCSI_VsyncActiveLow</a> = CSI_CR1_SOF_POL_MASK
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<br/>
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}</td></tr>
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<tr class="memdesc:gafda41057e6d13039ca0d139b89abde64"><td class="mdescLeft"> </td><td class="mdescRight">CSI signal polarity. <a href="a00017.html#gafda41057e6d13039ca0d139b89abde64">More...</a><br/></td></tr>
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<tr class="separator:gafda41057e6d13039ca0d139b89abde64"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gac3edbdbf7abc89ac49f0a44af06f6f24"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#gac3edbdbf7abc89ac49f0a44af06f6f24">_csi_fifo</a> { <br/>
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  <a class="el" href="a00017.html#ggac3edbdbf7abc89ac49f0a44af06f6f24a2665957976c094c559d20661126fc914">kCSI_RxFifo</a> = (1U << 0U),
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<br/>
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  <a class="el" href="a00017.html#ggac3edbdbf7abc89ac49f0a44af06f6f24a36df4b7466c177205c81d8fd4fe8dfa4">kCSI_StatFifo</a> = (1U << 1U),
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<br/>
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  <a class="el" href="a00017.html#ggac3edbdbf7abc89ac49f0a44af06f6f24a960822cab30b37b78e71b03754b1adfc">kCSI_AllFifo</a> = 0x01 | 0x02
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<br/>
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}</td></tr>
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<tr class="memdesc:gac3edbdbf7abc89ac49f0a44af06f6f24"><td class="mdescLeft"> </td><td class="mdescRight">The CSI FIFO, used for FIFO operation. <a href="a00017.html#gac3edbdbf7abc89ac49f0a44af06f6f24">More...</a><br/></td></tr>
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<tr class="separator:gac3edbdbf7abc89ac49f0a44af06f6f24"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga445b9c8db2ffe230018ced411b88cc3e"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga445b9c8db2ffe230018ced411b88cc3e">_csi_interrupt_enable</a> { <br/>
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  <a class="el" href="a00017.html#gga445b9c8db2ffe230018ced411b88cc3ea7346f16c89a990476f2551ceb7b40065">kCSI_EndOfFrameInterruptEnable</a> = CSI_CR1_EOF_INT_EN_MASK,
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  <a class="el" href="a00017.html#gga445b9c8db2ffe230018ced411b88cc3ead360f344cb258fc94c31091c60a9921c">kCSI_ChangeOfFieldInterruptEnable</a> = CSI_CR1_COF_INT_EN_MASK,
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  <a class="el" href="a00017.html#gga445b9c8db2ffe230018ced411b88cc3ead3eae43cd538d4963a92537e10857375">kCSI_StatFifoOverrunInterruptEnable</a> = CSI_CR1_SF_OR_INTEN_MASK,
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  <a class="el" href="a00017.html#gga445b9c8db2ffe230018ced411b88cc3eabe9ee51fbfa0916ac89d43cf1dceec5a">kCSI_RxFifoOverrunInterruptEnable</a> = CSI_CR1_RF_OR_INTEN_MASK,
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  <a class="el" href="a00017.html#gga445b9c8db2ffe230018ced411b88cc3ea88e9447b7f3d6730a8817418a9149bdf">kCSI_StatFifoDmaDoneInterruptEnable</a> = CSI_CR1_SFF_DMA_DONE_INTEN_MASK,
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  <a class="el" href="a00017.html#gga445b9c8db2ffe230018ced411b88cc3ea25e1d2b38d337c7ac800a14ed153496a">kCSI_StatFifoFullInterruptEnable</a> = CSI_CR1_STATFF_INTEN_MASK,
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  <a class="el" href="a00017.html#gga445b9c8db2ffe230018ced411b88cc3eab51980279060e64d99dea0b615b1a6eb">kCSI_RxBuffer1DmaDoneInterruptEnable</a> = CSI_CR1_FB2_DMA_DONE_INTEN_MASK,
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<br/>
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  <a class="el" href="a00017.html#gga445b9c8db2ffe230018ced411b88cc3eaa93e6aebf81cc468b6827ecae5e996e3">kCSI_RxBuffer0DmaDoneInterruptEnable</a> = CSI_CR1_FB1_DMA_DONE_INTEN_MASK,
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<br/>
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  <a class="el" href="a00017.html#gga445b9c8db2ffe230018ced411b88cc3ea32b521a89db1b0a953e54ff82ddaafe1">kCSI_RxFifoFullInterruptEnable</a> = CSI_CR1_RXFF_INTEN_MASK,
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<br/>
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  <a class="el" href="a00017.html#gga445b9c8db2ffe230018ced411b88cc3ea1f737081cd588e20b0e37adda571380a">kCSI_StartOfFrameInterruptEnable</a> = CSI_CR1_SOF_INTEN_MASK,
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<br/>
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  <a class="el" href="a00017.html#gga445b9c8db2ffe230018ced411b88cc3ea426a30446ecdcd5a8ef11d7114587afc">kCSI_EccErrorInterruptEnable</a> = CSI_CR3_ECC_INT_EN_MASK,
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  <a class="el" href="a00017.html#gga445b9c8db2ffe230018ced411b88cc3eae5a566edbf0dbd027cbd20bc6649fb00">kCSI_AhbResErrorInterruptEnable</a> = CSI_CR3_HRESP_ERR_EN_MASK,
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  <a class="el" href="a00017.html#gga445b9c8db2ffe230018ced411b88cc3ea485b9acd1e879204a29e1351eef0f34b">kCSI_BaseAddrChangeErrorInterruptEnable</a> = CSI_CR18_BASEADDR_CHANGE_ERROR_IE_MASK << 6U,
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  <a class="el" href="a00017.html#gga445b9c8db2ffe230018ced411b88cc3ea53b2171811b48986f94d99640bc293e6">kCSI_Field0DoneInterruptEnable</a> = CSI_CR18_FIELD0_DONE_IE_MASK << 6U,
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<br/>
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  <a class="el" href="a00017.html#gga445b9c8db2ffe230018ced411b88cc3ea51b6eae094b905ec5c42f09330ab0cc2">kCSI_Field1DoneInterruptEnable</a> = CSI_CR18_DMA_FIELD1_DONE_IE_MASK << 6U
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<br/>
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}</td></tr>
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<tr class="memdesc:ga445b9c8db2ffe230018ced411b88cc3e"><td class="mdescLeft"> </td><td class="mdescRight">CSI feature interrupt source. <a href="a00017.html#ga445b9c8db2ffe230018ced411b88cc3e">More...</a><br/></td></tr>
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<tr class="separator:ga445b9c8db2ffe230018ced411b88cc3e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gac962030ce8597d68455e55874a51721f"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#gac962030ce8597d68455e55874a51721f">_csi_flags</a> { <br/>
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fa32acc9a0622596c7f830e6d70568931c">kCSI_RxFifoDataReadyFlag</a> = CSI_SR_DRDY_MASK,
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<br/>
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fa3e02610408a6ebfe221869a1923009ba">kCSI_EccErrorFlag</a> = CSI_SR_ECC_INT_MASK,
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<br/>
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fa984df7af7f9825fb4659d11f42463f44">kCSI_AhbResErrorFlag</a> = CSI_SR_HRESP_ERR_INT_MASK,
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fabe92f518f5c2f0ccbe55ebdcf4c29e89">kCSI_ChangeOfFieldFlag</a> = CSI_SR_COF_INT_MASK,
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<br/>
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fab337940c172c17058f8cde8bb676378f">kCSI_Field0PresentFlag</a> = CSI_SR_F1_INT_MASK,
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fa157a47bde1ba661fdf22ca2ae61b3c0b">kCSI_Field1PresentFlag</a> = CSI_SR_F2_INT_MASK,
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<br/>
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fa064c85b25c414abdeb86d501eb57360c">kCSI_StartOfFrameFlag</a> = CSI_SR_SOF_INT_MASK,
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<br/>
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fac6409ca23ef24a10e22fb9582213f2bc">kCSI_EndOfFrameFlag</a> = CSI_SR_EOF_INT_MASK,
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<br/>
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fabdd835d96491b90bf5ae39dc5e4b0497">kCSI_RxFifoFullFlag</a> = CSI_SR_RxFF_INT_MASK,
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<br/>
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fa27f18871d1b522ca628722a3fb80b89d">kCSI_RxBuffer1DmaDoneFlag</a> = CSI_SR_DMA_TSF_DONE_FB2_MASK,
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<br/>
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fa3168d94660e46e761c0639a1a20b74ee">kCSI_RxBuffer0DmaDoneFlag</a> = CSI_SR_DMA_TSF_DONE_FB1_MASK,
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<br/>
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fa920018020044eb07e3ffed1f423208a5">kCSI_StatFifoFullFlag</a> = CSI_SR_STATFF_INT_MASK,
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<br/>
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fa961784728b693f7741adb7b17ebe425b">kCSI_StatFifoDmaDoneFlag</a> = CSI_SR_DMA_TSF_DONE_SFF_MASK,
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<br/>
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fa0350ec81b55a8180eaffcd8b1f537cdf">kCSI_StatFifoOverrunFlag</a> = CSI_SR_SF_OR_INT_MASK,
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<br/>
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fab01731bc864c9b47644a6de2bc2f88d5">kCSI_RxFifoOverrunFlag</a> = CSI_SR_RF_OR_INT_MASK,
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<br/>
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fa2676d308e2677cc91f47ae0661355d10">kCSI_Field0DoneFlag</a> = CSI_SR_DMA_FIELD0_DONE_MASK,
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<br/>
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fa6e7f6d415b0e9848c2f33f25ea9c0036">kCSI_Field1DoneFlag</a> = CSI_SR_DMA_FIELD1_DONE_MASK,
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<br/>
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  <a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fa254be4a91697e3bf3146a663454c2e60">kCSI_BaseAddrChangeErrorFlag</a> = CSI_SR_BASEADDR_CHHANGE_ERROR_MASK
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<br/>
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}</td></tr>
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<tr class="memdesc:gac962030ce8597d68455e55874a51721f"><td class="mdescLeft"> </td><td class="mdescRight">CSI status flags. <a href="a00017.html#gac962030ce8597d68455e55874a51721f">More...</a><br/></td></tr>
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<tr class="separator:gac962030ce8597d68455e55874a51721f"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Driver version</h2></td></tr>
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<tr class="memitem:ga763b9b92933249b8711f9a61b98efe58"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga763b9b92933249b8711f9a61b98efe58"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>FSL_CSI_DRIVER_VERSION</b>   (<a class="el" href="a00272.html#ga812138aa3315b0c6953c1a26130bcc37">MAKE_VERSION</a>(2, 1, 5))</td></tr>
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<tr class="separator:ga763b9b92933249b8711f9a61b98efe58"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Initialization and deinitialization</h2></td></tr>
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<tr class="memitem:ga6ab1581b894e0addd36e259454d894fb"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga6ab1581b894e0addd36e259454d894fb">CSI_Init</a> (CSI_Type *base, const <a class="el" href="a00017.html#ga7d2e9074e11fec0878ae4199b708eb31">csi_config_t</a> *config)</td></tr>
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<tr class="memdesc:ga6ab1581b894e0addd36e259454d894fb"><td class="mdescLeft"> </td><td class="mdescRight">Initialize the CSI. <a href="#ga6ab1581b894e0addd36e259454d894fb">More...</a><br/></td></tr>
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<tr class="separator:ga6ab1581b894e0addd36e259454d894fb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga29130aa6333127427e9945203a941c31"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga29130aa6333127427e9945203a941c31">CSI_Deinit</a> (CSI_Type *base)</td></tr>
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<tr class="memdesc:ga29130aa6333127427e9945203a941c31"><td class="mdescLeft"> </td><td class="mdescRight">De-initialize the CSI. <a href="#ga29130aa6333127427e9945203a941c31">More...</a><br/></td></tr>
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<tr class="separator:ga29130aa6333127427e9945203a941c31"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaaf0c3b036356a13b113c190762035317"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#gaaf0c3b036356a13b113c190762035317">CSI_Reset</a> (CSI_Type *base)</td></tr>
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<tr class="memdesc:gaaf0c3b036356a13b113c190762035317"><td class="mdescLeft"> </td><td class="mdescRight">Reset the CSI. <a href="#gaaf0c3b036356a13b113c190762035317">More...</a><br/></td></tr>
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<tr class="separator:gaaf0c3b036356a13b113c190762035317"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga44bd4343d5866367abc152651f3d8a03"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga44bd4343d5866367abc152651f3d8a03">CSI_GetDefaultConfig</a> (<a class="el" href="a00017.html#ga7d2e9074e11fec0878ae4199b708eb31">csi_config_t</a> *config)</td></tr>
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<tr class="memdesc:ga44bd4343d5866367abc152651f3d8a03"><td class="mdescLeft"> </td><td class="mdescRight">Get the default configuration for to initialize the CSI. <a href="#ga44bd4343d5866367abc152651f3d8a03">More...</a><br/></td></tr>
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<tr class="separator:ga44bd4343d5866367abc152651f3d8a03"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Module operation</h2></td></tr>
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<tr class="memitem:gaa9a972883f2e04aefb94bac426fa9c72"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#gaa9a972883f2e04aefb94bac426fa9c72">CSI_ClearFifo</a> (CSI_Type *base, <a class="el" href="a00017.html#ga3ed868a78c932aa1904d48c0d65cf650">csi_fifo_t</a> fifo)</td></tr>
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<tr class="memdesc:gaa9a972883f2e04aefb94bac426fa9c72"><td class="mdescLeft"> </td><td class="mdescRight">Clear the CSI FIFO. <a href="#gaa9a972883f2e04aefb94bac426fa9c72">More...</a><br/></td></tr>
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<tr class="separator:gaa9a972883f2e04aefb94bac426fa9c72"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gabd61e583724350ad66feacf6cb55e86c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#gabd61e583724350ad66feacf6cb55e86c">CSI_ReflashFifoDma</a> (CSI_Type *base, <a class="el" href="a00017.html#ga3ed868a78c932aa1904d48c0d65cf650">csi_fifo_t</a> fifo)</td></tr>
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<tr class="memdesc:gabd61e583724350ad66feacf6cb55e86c"><td class="mdescLeft"> </td><td class="mdescRight">Reflash the CSI FIFO DMA. <a href="#gabd61e583724350ad66feacf6cb55e86c">More...</a><br/></td></tr>
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<tr class="separator:gabd61e583724350ad66feacf6cb55e86c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga266530ad9e8aa0e0e4977317b5cd9899"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga266530ad9e8aa0e0e4977317b5cd9899">CSI_EnableFifoDmaRequest</a> (CSI_Type *base, <a class="el" href="a00017.html#ga3ed868a78c932aa1904d48c0d65cf650">csi_fifo_t</a> fifo, bool enable)</td></tr>
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<tr class="memdesc:ga266530ad9e8aa0e0e4977317b5cd9899"><td class="mdescLeft"> </td><td class="mdescRight">Enable or disable the CSI FIFO DMA request. <a href="#ga266530ad9e8aa0e0e4977317b5cd9899">More...</a><br/></td></tr>
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<tr class="separator:ga266530ad9e8aa0e0e4977317b5cd9899"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gace757ddd954a29a1a11c0bdc119b17ad"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#gace757ddd954a29a1a11c0bdc119b17ad">CSI_Start</a> (CSI_Type *base)</td></tr>
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<tr class="memdesc:gace757ddd954a29a1a11c0bdc119b17ad"><td class="mdescLeft"> </td><td class="mdescRight">Start to receive data. <a href="#gace757ddd954a29a1a11c0bdc119b17ad">More...</a><br/></td></tr>
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<tr class="separator:gace757ddd954a29a1a11c0bdc119b17ad"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga49731f4255e64f48eb0f26628296c13e"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga49731f4255e64f48eb0f26628296c13e">CSI_Stop</a> (CSI_Type *base)</td></tr>
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<tr class="memdesc:ga49731f4255e64f48eb0f26628296c13e"><td class="mdescLeft"> </td><td class="mdescRight">Stop to receiving data. <a href="#ga49731f4255e64f48eb0f26628296c13e">More...</a><br/></td></tr>
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<tr class="memitem:ga17f23deb7d61ad8d88b10165e512d50d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga17f23deb7d61ad8d88b10165e512d50d">CSI_SetRxBufferAddr</a> (CSI_Type *base, uint8_t index, uint32_t addr)</td></tr>
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<tr class="memdesc:ga17f23deb7d61ad8d88b10165e512d50d"><td class="mdescLeft"> </td><td class="mdescRight">Set the RX frame buffer address. <a href="#ga17f23deb7d61ad8d88b10165e512d50d">More...</a><br/></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Interrupts</h2></td></tr>
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<tr class="memitem:ga433cf3d4d36b2d602b2e41b415abd85f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga433cf3d4d36b2d602b2e41b415abd85f">CSI_EnableInterrupts</a> (CSI_Type *base, uint32_t mask)</td></tr>
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<tr class="memdesc:ga433cf3d4d36b2d602b2e41b415abd85f"><td class="mdescLeft"> </td><td class="mdescRight">Enables CSI interrupt requests. <a href="#ga433cf3d4d36b2d602b2e41b415abd85f">More...</a><br/></td></tr>
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<tr class="memitem:gaaef95a89e63407cdb28b9dbf81ce4fe5"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#gaaef95a89e63407cdb28b9dbf81ce4fe5">CSI_DisableInterrupts</a> (CSI_Type *base, uint32_t mask)</td></tr>
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<tr class="memdesc:gaaef95a89e63407cdb28b9dbf81ce4fe5"><td class="mdescLeft"> </td><td class="mdescRight">Disable CSI interrupt requests. <a href="#gaaef95a89e63407cdb28b9dbf81ce4fe5">More...</a><br/></td></tr>
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Status</h2></td></tr>
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<tr class="memitem:gac756a072ac5afdb9567632d02d13e73f"><td class="memItemLeft" align="right" valign="top">static uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#gac756a072ac5afdb9567632d02d13e73f">CSI_GetStatusFlags</a> (CSI_Type *base)</td></tr>
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<tr class="memdesc:gac756a072ac5afdb9567632d02d13e73f"><td class="mdescLeft"> </td><td class="mdescRight">Gets the CSI status flags. <a href="#gac756a072ac5afdb9567632d02d13e73f">More...</a><br/></td></tr>
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<tr class="memitem:ga9368862568891bbdb29b0a6287801506"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga9368862568891bbdb29b0a6287801506">CSI_ClearStatusFlags</a> (CSI_Type *base, uint32_t statusMask)</td></tr>
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<tr class="memdesc:ga9368862568891bbdb29b0a6287801506"><td class="mdescLeft"> </td><td class="mdescRight">Clears the CSI status flag. <a href="#ga9368862568891bbdb29b0a6287801506">More...</a><br/></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Transactional</h2></td></tr>
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<tr class="memitem:gaff15e4c1cd458f686e4f296ce3d417d5"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#gaff15e4c1cd458f686e4f296ce3d417d5">CSI_TransferCreateHandle</a> (CSI_Type *base, <a class="el" href="a00017.html#a00336">csi_handle_t</a> *handle, <a class="el" href="a00017.html#ga68a7e9c86a91b7ffb6547cf762ef6f3f">csi_transfer_callback_t</a> callback, void *userData)</td></tr>
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<tr class="memdesc:gaff15e4c1cd458f686e4f296ce3d417d5"><td class="mdescLeft"> </td><td class="mdescRight">Initializes the CSI handle. <a href="#gaff15e4c1cd458f686e4f296ce3d417d5">More...</a><br/></td></tr>
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<tr class="memitem:ga65a17c86c64297a09857e435588a65d6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga65a17c86c64297a09857e435588a65d6">CSI_TransferStart</a> (CSI_Type *base, <a class="el" href="a00017.html#a00336">csi_handle_t</a> *handle)</td></tr>
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<tr class="memdesc:ga65a17c86c64297a09857e435588a65d6"><td class="mdescLeft"> </td><td class="mdescRight">Start the transfer using transactional functions. <a href="#ga65a17c86c64297a09857e435588a65d6">More...</a><br/></td></tr>
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<tr class="memitem:gac20498234465760225985287ff862751"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#gac20498234465760225985287ff862751">CSI_TransferStop</a> (CSI_Type *base, <a class="el" href="a00017.html#a00336">csi_handle_t</a> *handle)</td></tr>
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<tr class="memdesc:gac20498234465760225985287ff862751"><td class="mdescLeft"> </td><td class="mdescRight">Stop the transfer using transactional functions. <a href="#gac20498234465760225985287ff862751">More...</a><br/></td></tr>
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<tr class="separator:gac20498234465760225985287ff862751"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga807a6677a22856cf8ad1e37253b14d44"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga807a6677a22856cf8ad1e37253b14d44">CSI_TransferSubmitEmptyBuffer</a> (CSI_Type *base, <a class="el" href="a00017.html#a00336">csi_handle_t</a> *handle, uint32_t frameBuffer)</td></tr>
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<tr class="memdesc:ga807a6677a22856cf8ad1e37253b14d44"><td class="mdescLeft"> </td><td class="mdescRight">Submit empty frame buffer to queue. <a href="#ga807a6677a22856cf8ad1e37253b14d44">More...</a><br/></td></tr>
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<tr class="memitem:ga36f7bf646f55c098fb12d6fa387d6424"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ga36f7bf646f55c098fb12d6fa387d6424">CSI_TransferGetFullBuffer</a> (CSI_Type *base, <a class="el" href="a00017.html#a00336">csi_handle_t</a> *handle, uint32_t *frameBuffer)</td></tr>
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<tr class="memdesc:ga36f7bf646f55c098fb12d6fa387d6424"><td class="mdescLeft"> </td><td class="mdescRight">Get one full frame buffer from queue. <a href="#ga36f7bf646f55c098fb12d6fa387d6424">More...</a><br/></td></tr>
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<tr class="memitem:gaa8118210b401dacd2257dbb75c6a6310"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#gaa8118210b401dacd2257dbb75c6a6310">CSI_TransferHandleIRQ</a> (CSI_Type *base, <a class="el" href="a00017.html#a00336">csi_handle_t</a> *handle)</td></tr>
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<tr class="memdesc:gaa8118210b401dacd2257dbb75c6a6310"><td class="mdescLeft"> </td><td class="mdescRight">CSI IRQ handle function. <a href="#gaa8118210b401dacd2257dbb75c6a6310">More...</a><br/></td></tr>
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<hr/><h2 class="groupheader">Data Structure Documentation</h2>
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<td class="memname">struct _csi_config</td>
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<tr><td colspan="2"><h3>Data Fields</h3></td></tr>
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<tr class="memitem:aa87f4e4a75b55dd3c5abb5c60c04f342"><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#aa87f4e4a75b55dd3c5abb5c60c04f342">width</a></td></tr>
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<tr class="memdesc:aa87f4e4a75b55dd3c5abb5c60c04f342"><td class="mdescLeft"> </td><td class="mdescRight">Pixels of the input frame. <a href="#aa87f4e4a75b55dd3c5abb5c60c04f342">More...</a><br/></td></tr>
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<tr class="separator:aa87f4e4a75b55dd3c5abb5c60c04f342"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad23fb85c17aca752f6ad942892407d2a"><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#ad23fb85c17aca752f6ad942892407d2a">height</a></td></tr>
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<tr class="memdesc:ad23fb85c17aca752f6ad942892407d2a"><td class="mdescLeft"> </td><td class="mdescRight">Lines of the input frame. <a href="#ad23fb85c17aca752f6ad942892407d2a">More...</a><br/></td></tr>
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<tr class="memitem:aa941eb41b6d5f8d71091a1947326a183"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#aa941eb41b6d5f8d71091a1947326a183">polarityFlags</a></td></tr>
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<tr class="memdesc:aa941eb41b6d5f8d71091a1947326a183"><td class="mdescLeft"> </td><td class="mdescRight">Timing signal polarity flags, OR'ed value of <a class="el" href="a00017.html#gafda41057e6d13039ca0d139b89abde64">_csi_polarity_flags</a>. <a href="#aa941eb41b6d5f8d71091a1947326a183">More...</a><br/></td></tr>
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<tr class="memitem:a527fe46ba2e0bc0c0b9b802719b9d6e1"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#a527fe46ba2e0bc0c0b9b802719b9d6e1">bytesPerPixel</a></td></tr>
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<tr class="memdesc:a527fe46ba2e0bc0c0b9b802719b9d6e1"><td class="mdescLeft"> </td><td class="mdescRight">Bytes per pixel, valid values are: <a href="#a527fe46ba2e0bc0c0b9b802719b9d6e1">More...</a><br/></td></tr>
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<tr class="separator:a527fe46ba2e0bc0c0b9b802719b9d6e1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9a3fc579a852f34bddbf0f3de5141dd9"><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#a9a3fc579a852f34bddbf0f3de5141dd9">linePitch_Bytes</a></td></tr>
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<tr class="memdesc:a9a3fc579a852f34bddbf0f3de5141dd9"><td class="mdescLeft"> </td><td class="mdescRight">Frame buffer line pitch, must be 8-byte aligned. <a href="#a9a3fc579a852f34bddbf0f3de5141dd9">More...</a><br/></td></tr>
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<tr class="memitem:af01a2fa8deb8edb1e2cc4b10d9711b0b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00017.html#ga38c28eea487217a99433bc441abcd017">csi_work_mode_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#af01a2fa8deb8edb1e2cc4b10d9711b0b">workMode</a></td></tr>
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<tr class="memdesc:af01a2fa8deb8edb1e2cc4b10d9711b0b"><td class="mdescLeft"> </td><td class="mdescRight">CSI work mode. <a href="#af01a2fa8deb8edb1e2cc4b10d9711b0b">More...</a><br/></td></tr>
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<tr class="memitem:adc5877102571c3b2fad7e68d81291a27"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00017.html#gad0d5e8a230f4021a71ef3792ee99f8d7">csi_data_bus_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#adc5877102571c3b2fad7e68d81291a27">dataBus</a></td></tr>
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<tr class="memdesc:adc5877102571c3b2fad7e68d81291a27"><td class="mdescLeft"> </td><td class="mdescRight">Data bus width. <a href="#adc5877102571c3b2fad7e68d81291a27">More...</a><br/></td></tr>
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<tr class="memitem:a616fc7c4c54c446c200b80b9b45f4b05"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#a616fc7c4c54c446c200b80b9b45f4b05">useExtVsync</a></td></tr>
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<tr class="memdesc:a616fc7c4c54c446c200b80b9b45f4b05"><td class="mdescLeft"> </td><td class="mdescRight">In CCIR656 progressive mode, set true to use external VSYNC signal, set false to use internal VSYNC signal decoded from SOF. <a href="#a616fc7c4c54c446c200b80b9b45f4b05">More...</a><br/></td></tr>
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<h4 class="groupheader">Field Documentation</h4>
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<td class="memname">uint16_t _csi_config::width</td>
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<td class="memname">uint32_t _csi_config::polarityFlags</td>
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<td class="memname">uint8_t _csi_config::bytesPerPixel</td>
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<li>2: Used for RGB565, YUV422, and so on.</li>
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<li>4: Used for XRGB8888, XYUV444, and so on. </li>
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<td class="memname"><a class="el" href="a00017.html#ga38c28eea487217a99433bc441abcd017">csi_work_mode_t</a> _csi_config::workMode</td>
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<td class="memname"><a class="el" href="a00017.html#gad0d5e8a230f4021a71ef3792ee99f8d7">csi_data_bus_t</a> _csi_config::dataBus</td>
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<td class="memname">bool _csi_config::useExtVsync</td>
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<a name="a00336" id="a00336"></a>
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<td class="memname">struct _csi_handle</td>
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<div class="textblock"><p>Please see the user guide for the details of the CSI driver queue mechanism. </p>
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</div><table class="memberdecls">
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<tr><td colspan="2"><h3>Data Fields</h3></td></tr>
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<tr class="memitem:af5f2235f8567d7997b08a1940175e297"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#af5f2235f8567d7997b08a1940175e297">frameBufferQueue</a> [CSI_DRIVER_ACTUAL_QUEUE_SIZE]</td></tr>
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<tr class="memdesc:af5f2235f8567d7997b08a1940175e297"><td class="mdescLeft"> </td><td class="mdescRight">Frame buffer queue. <a href="#af5f2235f8567d7997b08a1940175e297">More...</a><br/></td></tr>
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<tr class="separator:af5f2235f8567d7997b08a1940175e297"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a06c77a80fe42b345ac0f922445efd416"><td class="memItemLeft" align="right" valign="top">volatile uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#a06c77a80fe42b345ac0f922445efd416">queueWriteIdx</a></td></tr>
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<tr class="memdesc:a06c77a80fe42b345ac0f922445efd416"><td class="mdescLeft"> </td><td class="mdescRight">Pointer to save incoming item. <a href="#a06c77a80fe42b345ac0f922445efd416">More...</a><br/></td></tr>
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<tr class="separator:a06c77a80fe42b345ac0f922445efd416"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3cac71e25437352d6aab02cf98b19482"><td class="memItemLeft" align="right" valign="top">volatile uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#a3cac71e25437352d6aab02cf98b19482">queueReadIdx</a></td></tr>
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<tr class="memdesc:a3cac71e25437352d6aab02cf98b19482"><td class="mdescLeft"> </td><td class="mdescRight">Pointer to read out the item. <a href="#a3cac71e25437352d6aab02cf98b19482">More...</a><br/></td></tr>
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<tr class="separator:a3cac71e25437352d6aab02cf98b19482"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a79061b46f379dbdadaceabbe7919b037"><td class="memItemLeft" align="right" valign="top">void *volatile </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#a79061b46f379dbdadaceabbe7919b037">emptyBuffer</a></td></tr>
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<tr class="memdesc:a79061b46f379dbdadaceabbe7919b037"><td class="mdescLeft"> </td><td class="mdescRight">Pointer to maintain the empty frame buffers. <a href="#a79061b46f379dbdadaceabbe7919b037">More...</a><br/></td></tr>
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<tr class="separator:a79061b46f379dbdadaceabbe7919b037"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:addbb81150dbfefa8ed9a89ee094e5953"><td class="memItemLeft" align="right" valign="top">volatile uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#addbb81150dbfefa8ed9a89ee094e5953">emptyBufferCnt</a></td></tr>
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<tr class="memdesc:addbb81150dbfefa8ed9a89ee094e5953"><td class="mdescLeft"> </td><td class="mdescRight">Empty frame buffers count. <a href="#addbb81150dbfefa8ed9a89ee094e5953">More...</a><br/></td></tr>
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<tr class="separator:addbb81150dbfefa8ed9a89ee094e5953"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aac982c0d3585d6109c08f250b5e2ba94"><td class="memItemLeft" align="right" valign="top">volatile uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#aac982c0d3585d6109c08f250b5e2ba94">activeBufferNum</a></td></tr>
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<tr class="memdesc:aac982c0d3585d6109c08f250b5e2ba94"><td class="mdescLeft"> </td><td class="mdescRight">How many frame buffers are in progres currently. <a href="#aac982c0d3585d6109c08f250b5e2ba94">More...</a><br/></td></tr>
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<tr class="separator:aac982c0d3585d6109c08f250b5e2ba94"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a5d27f39310ca972f7cd96e83165435a6"><td class="memItemLeft" align="right" valign="top">volatile bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#a5d27f39310ca972f7cd96e83165435a6">transferStarted</a></td></tr>
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<tr class="memdesc:a5d27f39310ca972f7cd96e83165435a6"><td class="mdescLeft"> </td><td class="mdescRight">User has called <a class="el" href="a00017.html#ga65a17c86c64297a09857e435588a65d6">CSI_TransferStart</a> to start frame receiving. <a href="#a5d27f39310ca972f7cd96e83165435a6">More...</a><br/></td></tr>
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<tr class="separator:a5d27f39310ca972f7cd96e83165435a6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a74c5d4ac3ea58518a9188d861e101ce8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00017.html#ga68a7e9c86a91b7ffb6547cf762ef6f3f">csi_transfer_callback_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#a74c5d4ac3ea58518a9188d861e101ce8">callback</a></td></tr>
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<tr class="memdesc:a74c5d4ac3ea58518a9188d861e101ce8"><td class="mdescLeft"> </td><td class="mdescRight">Callback function. <a href="#a74c5d4ac3ea58518a9188d861e101ce8">More...</a><br/></td></tr>
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<tr class="separator:a74c5d4ac3ea58518a9188d861e101ce8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4bc56dcea99a9ceeeb2fe84d516476f7"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00017.html#a4bc56dcea99a9ceeeb2fe84d516476f7">userData</a></td></tr>
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<tr class="memdesc:a4bc56dcea99a9ceeeb2fe84d516476f7"><td class="mdescLeft"> </td><td class="mdescRight">CSI callback function parameter. <a href="#a4bc56dcea99a9ceeeb2fe84d516476f7">More...</a><br/></td></tr>
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<h4 class="groupheader">Field Documentation</h4>
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<td class="memname">uint32_t _csi_handle::frameBufferQueue[CSI_DRIVER_ACTUAL_QUEUE_SIZE]</td>
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<td class="memname">volatile uint8_t _csi_handle::queueWriteIdx</td>
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<td class="memname">volatile uint8_t _csi_handle::queueReadIdx</td>
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<td class="memname">volatile bool _csi_handle::transferStarted</td>
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<td class="memname"><a class="el" href="a00017.html#ga68a7e9c86a91b7ffb6547cf762ef6f3f">csi_transfer_callback_t</a> _csi_handle::callback</td>
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<td class="memname">void* _csi_handle::userData</td>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define CSI_DRIVER_QUEUE_SIZE   4U</td>
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<td class="memname">#define CSI_DRIVER_FRAG_MODE   0U</td>
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<h2 class="groupheader">Typedef Documentation</h2>
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<td class="memname">typedef enum <a class="el" href="a00017.html#ga612584939135a10bf4b198e805785762">_csi_work_mode</a> <a class="el" href="a00017.html#ga38c28eea487217a99433bc441abcd017">csi_work_mode_t</a></td>
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<p>The CCIR656 interlace mode is not supported currently. </p>
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<td class="memname">typedef struct <a class="el" href="a00017.html#a00335">_csi_config</a> <a class="el" href="a00017.html#ga7d2e9074e11fec0878ae4199b708eb31">csi_config_t</a></td>
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<td class="memname">typedef enum <a class="el" href="a00017.html#gac3edbdbf7abc89ac49f0a44af06f6f24">_csi_fifo</a> <a class="el" href="a00017.html#ga3ed868a78c932aa1904d48c0d65cf650">csi_fifo_t</a></td>
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<td class="memname">typedef void(* csi_transfer_callback_t)(CSI_Type *base, <a class="el" href="a00017.html#a00336">csi_handle_t</a> *handle, <a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> status, void *userData)</td>
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<p>When a new frame is received and saved to the frame buffer queue, the callback is called and the pass the status <a class="el" href="a00017.html#ggab04a0655cd1e3bcac5e8f48c18df1a57ac9a47e7b267d5ece60e04306d2e245d2">kStatus_CSI_FrameDone</a> to upper layer. </p>
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<h2 class="groupheader">Enumeration Type Documentation</h2>
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<td class="memname">anonymous enum</td>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="ggab04a0655cd1e3bcac5e8f48c18df1a57a14ddc6ba82ee752fdfe1f4b0e64d5533"></a>kStatus_CSI_NoEmptyBuffer</em> </td><td class="fielddoc">
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<p>No empty frame buffer in queue to load to CSI. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="ggab04a0655cd1e3bcac5e8f48c18df1a57a4fb022ca8ae559e96d18524e7ea09a5f"></a>kStatus_CSI_NoFullBuffer</em> </td><td class="fielddoc">
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<p>No full frame buffer in queue to read out. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="ggab04a0655cd1e3bcac5e8f48c18df1a57a6517cec370f757b84ba21eb690e51635"></a>kStatus_CSI_QueueFull</em> </td><td class="fielddoc">
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<p>Queue is full, no room to save new empty buffer. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="ggab04a0655cd1e3bcac5e8f48c18df1a57ac9a47e7b267d5ece60e04306d2e245d2"></a>kStatus_CSI_FrameDone</em> </td><td class="fielddoc">
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<p>New frame received and saved to queue. </p>
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<td class="memname">enum <a class="el" href="a00017.html#ga612584939135a10bf4b198e805785762">_csi_work_mode</a></td>
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<p>The CCIR656 interlace mode is not supported currently. </p>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="gga612584939135a10bf4b198e805785762ab707b88b2c5b3ca70afe6b78f2988571"></a>kCSI_GatedClockMode</em> </td><td class="fielddoc">
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<p>HSYNC, VSYNC, and PIXCLK signals are used. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="gga612584939135a10bf4b198e805785762aefff73d6d0ed48e20bb12df629036633"></a>kCSI_NonGatedClockMode</em> </td><td class="fielddoc">
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<p>VSYNC, and PIXCLK signals are used. </p>
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<tr><td class="fieldname"><em><a class="anchor" id="gga612584939135a10bf4b198e805785762abab5a5dfbcc1c77bc66513760fdb0ddf"></a>kCSI_CCIR656ProgressiveMode</em> </td><td class="fielddoc">
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<p>CCIR656 progressive mode. </p>
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<td class="memname">enum <a class="el" href="a00017.html#ga230259b1b2d94e1c0049171840fbb049">_csi_data_bus</a></td>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="gga230259b1b2d94e1c0049171840fbb049ae6e9f2234f6b659241d9d504457e04dd"></a>kCSI_DataBus8Bit</em> </td><td class="fielddoc">
|
|
<p>8-bit data bus. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga230259b1b2d94e1c0049171840fbb049ab41330fa7ebc27664112a4b592b53626"></a>kCSI_DataBus16Bit</em> </td><td class="fielddoc">
|
|
<p>16-bit data bus. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga230259b1b2d94e1c0049171840fbb049ad26851c8a6a7be5e501625034e0f6a99"></a>kCSI_DataBus24Bit</em> </td><td class="fielddoc">
|
|
<p>24-bit data bus. </p>
|
|
</td></tr>
|
|
</table>
|
|
|
|
</div>
|
|
</div>
|
|
<a class="anchor" id="gafda41057e6d13039ca0d139b89abde64"></a>
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">enum <a class="el" href="a00017.html#gafda41057e6d13039ca0d139b89abde64">_csi_polarity_flags</a></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
<table class="fieldtable">
|
|
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="ggafda41057e6d13039ca0d139b89abde64aa1f34086d7ab2823fc0036e30e0b5889"></a>kCSI_HsyncActiveLow</em> </td><td class="fielddoc">
|
|
<p>HSYNC is active low. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggafda41057e6d13039ca0d139b89abde64aab952a4e21500ee629a8bd16ece03b3f"></a>kCSI_HsyncActiveHigh</em> </td><td class="fielddoc">
|
|
<p>HSYNC is active high. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggafda41057e6d13039ca0d139b89abde64aa98b2058628ba0d2bff537f81df0bfc9"></a>kCSI_DataLatchOnRisingEdge</em> </td><td class="fielddoc">
|
|
<p>Pixel data latched at rising edge of pixel clock. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggafda41057e6d13039ca0d139b89abde64a86d385db0cc0163dc5a0a44aad733a80"></a>kCSI_DataLatchOnFallingEdge</em> </td><td class="fielddoc">
|
|
<p>Pixel data latched at falling edge of pixel clock. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggafda41057e6d13039ca0d139b89abde64a4926dcbdf349c2cf3d8dd88d12f4bb9f"></a>kCSI_VsyncActiveHigh</em> </td><td class="fielddoc">
|
|
<p>VSYNC is active high. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggafda41057e6d13039ca0d139b89abde64a9c1a612c6d6e49ba13091df9d6046aab"></a>kCSI_VsyncActiveLow</em> </td><td class="fielddoc">
|
|
<p>VSYNC is active low. </p>
|
|
</td></tr>
|
|
</table>
|
|
|
|
</div>
|
|
</div>
|
|
<a class="anchor" id="gac3edbdbf7abc89ac49f0a44af06f6f24"></a>
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">enum <a class="el" href="a00017.html#gac3edbdbf7abc89ac49f0a44af06f6f24">_csi_fifo</a></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
<table class="fieldtable">
|
|
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="ggac3edbdbf7abc89ac49f0a44af06f6f24a2665957976c094c559d20661126fc914"></a>kCSI_RxFifo</em> </td><td class="fielddoc">
|
|
<p>RXFIFO. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac3edbdbf7abc89ac49f0a44af06f6f24a36df4b7466c177205c81d8fd4fe8dfa4"></a>kCSI_StatFifo</em> </td><td class="fielddoc">
|
|
<p>STAT FIFO. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac3edbdbf7abc89ac49f0a44af06f6f24a960822cab30b37b78e71b03754b1adfc"></a>kCSI_AllFifo</em> </td><td class="fielddoc">
|
|
<p>Both RXFIFO and STAT FIFO. </p>
|
|
</td></tr>
|
|
</table>
|
|
|
|
</div>
|
|
</div>
|
|
<a class="anchor" id="ga445b9c8db2ffe230018ced411b88cc3e"></a>
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">enum <a class="el" href="a00017.html#ga445b9c8db2ffe230018ced411b88cc3e">_csi_interrupt_enable</a></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
<table class="fieldtable">
|
|
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="gga445b9c8db2ffe230018ced411b88cc3ea7346f16c89a990476f2551ceb7b40065"></a>kCSI_EndOfFrameInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>End of frame interrupt enable. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga445b9c8db2ffe230018ced411b88cc3ead360f344cb258fc94c31091c60a9921c"></a>kCSI_ChangeOfFieldInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>Change of field interrupt enable. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga445b9c8db2ffe230018ced411b88cc3ead3eae43cd538d4963a92537e10857375"></a>kCSI_StatFifoOverrunInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>STAT FIFO overrun interrupt enable. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga445b9c8db2ffe230018ced411b88cc3eabe9ee51fbfa0916ac89d43cf1dceec5a"></a>kCSI_RxFifoOverrunInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>RXFIFO overrun interrupt enable. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga445b9c8db2ffe230018ced411b88cc3ea88e9447b7f3d6730a8817418a9149bdf"></a>kCSI_StatFifoDmaDoneInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>STAT FIFO DMA done interrupt enable. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga445b9c8db2ffe230018ced411b88cc3ea25e1d2b38d337c7ac800a14ed153496a"></a>kCSI_StatFifoFullInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>STAT FIFO full interrupt enable. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga445b9c8db2ffe230018ced411b88cc3eab51980279060e64d99dea0b615b1a6eb"></a>kCSI_RxBuffer1DmaDoneInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>RX frame buffer 1 DMA transfer done. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga445b9c8db2ffe230018ced411b88cc3eaa93e6aebf81cc468b6827ecae5e996e3"></a>kCSI_RxBuffer0DmaDoneInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>RX frame buffer 0 DMA transfer done. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga445b9c8db2ffe230018ced411b88cc3ea32b521a89db1b0a953e54ff82ddaafe1"></a>kCSI_RxFifoFullInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>RXFIFO full interrupt enable. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga445b9c8db2ffe230018ced411b88cc3ea1f737081cd588e20b0e37adda571380a"></a>kCSI_StartOfFrameInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>Start of frame (SOF) interrupt enable. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga445b9c8db2ffe230018ced411b88cc3ea426a30446ecdcd5a8ef11d7114587afc"></a>kCSI_EccErrorInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>ECC error detection interrupt enable. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga445b9c8db2ffe230018ced411b88cc3eae5a566edbf0dbd027cbd20bc6649fb00"></a>kCSI_AhbResErrorInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>AHB response Error interrupt enable. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga445b9c8db2ffe230018ced411b88cc3ea485b9acd1e879204a29e1351eef0f34b"></a>kCSI_BaseAddrChangeErrorInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>The DMA output buffer base address changes before DMA completed. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga445b9c8db2ffe230018ced411b88cc3ea53b2171811b48986f94d99640bc293e6"></a>kCSI_Field0DoneInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>Field 0 done interrupt enable. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="gga445b9c8db2ffe230018ced411b88cc3ea51b6eae094b905ec5c42f09330ab0cc2"></a>kCSI_Field1DoneInterruptEnable</em> </td><td class="fielddoc">
|
|
<p>Field 1 done interrupt enable. </p>
|
|
</td></tr>
|
|
</table>
|
|
|
|
</div>
|
|
</div>
|
|
<a class="anchor" id="gac962030ce8597d68455e55874a51721f"></a>
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">enum <a class="el" href="a00017.html#gac962030ce8597d68455e55874a51721f">_csi_flags</a></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
<p>The following status register flags can be cleared:</p>
|
|
<ul>
|
|
<li>kCSI_EccErrorFlag</li>
|
|
<li>kCSI_AhbResErrorFlag</li>
|
|
<li>kCSI_ChangeOfFieldFlag</li>
|
|
<li>kCSI_StartOfFrameFlag</li>
|
|
<li>kCSI_EndOfFrameFlag</li>
|
|
<li>kCSI_RxBuffer1DmaDoneFlag</li>
|
|
<li>kCSI_RxBuffer0DmaDoneFlag</li>
|
|
<li>kCSI_StatFifoDmaDoneFlag</li>
|
|
<li>kCSI_StatFifoOverrunFlag</li>
|
|
<li>kCSI_RxFifoOverrunFlag</li>
|
|
<li>kCSI_Field0DoneFlag</li>
|
|
<li>kCSI_Field1DoneFlag</li>
|
|
<li>kCSI_BaseAddrChangeErrorFlag </li>
|
|
</ul>
|
|
<table class="fieldtable">
|
|
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fa32acc9a0622596c7f830e6d70568931c"></a>kCSI_RxFifoDataReadyFlag</em> </td><td class="fielddoc">
|
|
<p>RXFIFO data ready. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fa3e02610408a6ebfe221869a1923009ba"></a>kCSI_EccErrorFlag</em> </td><td class="fielddoc">
|
|
<p>ECC error detected. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fa984df7af7f9825fb4659d11f42463f44"></a>kCSI_AhbResErrorFlag</em> </td><td class="fielddoc">
|
|
<p>Hresponse (AHB bus response) Error. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fabe92f518f5c2f0ccbe55ebdcf4c29e89"></a>kCSI_ChangeOfFieldFlag</em> </td><td class="fielddoc">
|
|
<p>Change of field. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fab337940c172c17058f8cde8bb676378f"></a>kCSI_Field0PresentFlag</em> </td><td class="fielddoc">
|
|
<p>Field 0 present in CCIR mode. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fa157a47bde1ba661fdf22ca2ae61b3c0b"></a>kCSI_Field1PresentFlag</em> </td><td class="fielddoc">
|
|
<p>Field 1 present in CCIR mode. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fa064c85b25c414abdeb86d501eb57360c"></a>kCSI_StartOfFrameFlag</em> </td><td class="fielddoc">
|
|
<p>Start of frame (SOF) detected. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fac6409ca23ef24a10e22fb9582213f2bc"></a>kCSI_EndOfFrameFlag</em> </td><td class="fielddoc">
|
|
<p>End of frame (EOF) detected. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fabdd835d96491b90bf5ae39dc5e4b0497"></a>kCSI_RxFifoFullFlag</em> </td><td class="fielddoc">
|
|
<p>RXFIFO full (Number of data reaches trigger level). </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fa27f18871d1b522ca628722a3fb80b89d"></a>kCSI_RxBuffer1DmaDoneFlag</em> </td><td class="fielddoc">
|
|
<p>RX frame buffer 1 DMA transfer done. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fa3168d94660e46e761c0639a1a20b74ee"></a>kCSI_RxBuffer0DmaDoneFlag</em> </td><td class="fielddoc">
|
|
<p>RX frame buffer 0 DMA transfer done. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fa920018020044eb07e3ffed1f423208a5"></a>kCSI_StatFifoFullFlag</em> </td><td class="fielddoc">
|
|
<p>STAT FIFO full (Reach trigger level). </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fa961784728b693f7741adb7b17ebe425b"></a>kCSI_StatFifoDmaDoneFlag</em> </td><td class="fielddoc">
|
|
<p>STAT FIFO DMA transfer done. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fa0350ec81b55a8180eaffcd8b1f537cdf"></a>kCSI_StatFifoOverrunFlag</em> </td><td class="fielddoc">
|
|
<p>STAT FIFO overrun. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fab01731bc864c9b47644a6de2bc2f88d5"></a>kCSI_RxFifoOverrunFlag</em> </td><td class="fielddoc">
|
|
<p>RXFIFO overrun. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fa2676d308e2677cc91f47ae0661355d10"></a>kCSI_Field0DoneFlag</em> </td><td class="fielddoc">
|
|
<p>Field 0 transfer done. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fa6e7f6d415b0e9848c2f33f25ea9c0036"></a>kCSI_Field1DoneFlag</em> </td><td class="fielddoc">
|
|
<p>Field 1 transfer done. </p>
|
|
</td></tr>
|
|
<tr><td class="fieldname"><em><a class="anchor" id="ggac962030ce8597d68455e55874a51721fa254be4a91697e3bf3146a663454c2e60"></a>kCSI_BaseAddrChangeErrorFlag</em> </td><td class="fielddoc">
|
|
<p>The DMA output buffer base address changes before DMA completed. </p>
|
|
</td></tr>
|
|
</table>
|
|
|
|
</div>
|
|
</div>
|
|
<h2 class="groupheader">Function Documentation</h2>
|
|
<a class="anchor" id="ga6ab1581b894e0addd36e259454d894fb"></a>
|
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<div class="memitem">
|
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<div class="memproto">
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<table class="memname">
|
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<tr>
|
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<td class="memname"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> CSI_Init </td>
|
|
<td>(</td>
|
|
<td class="paramtype">CSI_Type * </td>
|
|
<td class="paramname"><em>base</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">const <a class="el" href="a00017.html#ga7d2e9074e11fec0878ae4199b708eb31">csi_config_t</a> * </td>
|
|
<td class="paramname"><em>config</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
|
<td>)</td>
|
|
<td></td><td></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
<p>This function enables the CSI peripheral clock, and resets the CSI registers.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
|
|
<tr><td class="paramname">config</td><td>Pointer to the configuration structure.</td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="retval"><dt>Return values</dt><dd>
|
|
<table class="retval">
|
|
<tr><td class="paramname">kStatus_Success</td><td>Initialize successfully. </td></tr>
|
|
<tr><td class="paramname">kStatus_InvalidArgument</td><td>Initialize failed because of invalid argument. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
|
|
</div>
|
|
</div>
|
|
<a class="anchor" id="ga29130aa6333127427e9945203a941c31"></a>
|
|
<div class="memitem">
|
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<div class="memproto">
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|
<table class="memname">
|
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<tr>
|
|
<td class="memname">void CSI_Deinit </td>
|
|
<td>(</td>
|
|
<td class="paramtype">CSI_Type * </td>
|
|
<td class="paramname"><em>base</em></td><td>)</td>
|
|
<td></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
<p>This function disables the CSI peripheral clock.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
|
|
</div>
|
|
</div>
|
|
<a class="anchor" id="gaaf0c3b036356a13b113c190762035317"></a>
|
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<div class="memitem">
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<td class="memname">void CSI_Reset </td>
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<td>(</td>
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<td class="paramtype">CSI_Type * </td>
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<td class="paramname"><em>base</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function resets the CSI peripheral registers to default status.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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<a class="anchor" id="ga44bd4343d5866367abc152651f3d8a03"></a>
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<td class="memname">void CSI_GetDefaultConfig </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="a00017.html#ga7d2e9074e11fec0878ae4199b708eb31">csi_config_t</a> * </td>
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<td class="paramname"><em>config</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>The default configuration value is:</p>
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<div class="fragment"><div class="line">config->width = 320U;</div>
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<div class="line">config->height = 240U;</div>
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<div class="line">config->polarityFlags = <a class="code" href="a00017.html#ggafda41057e6d13039ca0d139b89abde64aab952a4e21500ee629a8bd16ece03b3f">kCSI_HsyncActiveHigh</a> | <a class="code" href="a00017.html#ggafda41057e6d13039ca0d139b89abde64aa98b2058628ba0d2bff537f81df0bfc9">kCSI_DataLatchOnRisingEdge</a>;</div>
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<div class="line">config->bytesPerPixel = 2U;</div>
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<div class="line">config->linePitch_Bytes = 320U * 2U;</div>
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<div class="line">config->workMode = <a class="code" href="a00017.html#gga612584939135a10bf4b198e805785762ab707b88b2c5b3ca70afe6b78f2988571">kCSI_GatedClockMode</a>;</div>
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<div class="line">config->dataBus = <a class="code" href="a00017.html#gga230259b1b2d94e1c0049171840fbb049ae6e9f2234f6b659241d9d504457e04dd">kCSI_DataBus8Bit</a>;</div>
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<div class="line">config->useExtVsync = <span class="keyword">true</span>;</div>
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</div><!-- fragment --><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">config</td><td>Pointer to the CSI configuration. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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<td class="memname">void CSI_ClearFifo </td>
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<td>(</td>
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<td class="paramtype">CSI_Type * </td>
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<td class="paramname"><em>base</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="a00017.html#ga3ed868a78c932aa1904d48c0d65cf650">csi_fifo_t</a> </td>
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<td class="paramname"><em>fifo</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function clears the CSI FIFO.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
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<tr><td class="paramname">fifo</td><td>The FIFO to clear. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="gabd61e583724350ad66feacf6cb55e86c"></a>
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<td class="memname">void CSI_ReflashFifoDma </td>
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<td>(</td>
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<td class="paramtype">CSI_Type * </td>
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<td class="paramname"><em>base</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="a00017.html#ga3ed868a78c932aa1904d48c0d65cf650">csi_fifo_t</a> </td>
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<td class="paramname"><em>fifo</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function reflashes the CSI FIFO DMA.</p>
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<p>For RXFIFO, there are two frame buffers. When the CSI module started, it saves the frames to frame buffer 0 then frame buffer 1, the two buffers will be written by turns. After reflash DMA using this function, the CSI is reset to save frame to buffer 0.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
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<tr><td class="paramname">fifo</td><td>The FIFO DMA to reflash. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="ga266530ad9e8aa0e0e4977317b5cd9899"></a>
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<tr>
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<td class="memname">void CSI_EnableFifoDmaRequest </td>
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<td>(</td>
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<td class="paramtype">CSI_Type * </td>
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<td class="paramname"><em>base</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="a00017.html#ga3ed868a78c932aa1904d48c0d65cf650">csi_fifo_t</a> </td>
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<td class="paramname"><em>fifo</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">bool </td>
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<td class="paramname"><em>enable</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
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<tr><td class="paramname">fifo</td><td>The FIFO DMA reques to enable or disable. </td></tr>
|
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<tr><td class="paramname">enable</td><td>True to enable, false to disable. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="gace757ddd954a29a1a11c0bdc119b17ad"></a>
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<tr>
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<td class="mlabels-left">
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<table class="memname">
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<td class="memname">static void CSI_Start </td>
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<td>(</td>
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<td class="paramtype">CSI_Type * </td>
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<td class="paramname"><em>base</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="ga49731f4255e64f48eb0f26628296c13e"></a>
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<td class="mlabels-left">
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<table class="memname">
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<td class="memname">static void CSI_Stop </td>
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<td>(</td>
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<td class="paramtype">CSI_Type * </td>
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<td class="paramname"><em>base</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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<a class="anchor" id="ga17f23deb7d61ad8d88b10165e512d50d"></a>
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<td class="memname">void CSI_SetRxBufferAddr </td>
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<td>(</td>
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<td class="paramtype">CSI_Type * </td>
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<td class="paramname"><em>base</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint8_t </td>
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<td class="paramname"><em>index</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>addr</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<dl class="params"><dt>Parameters</dt><dd>
|
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<table class="params">
|
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<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
|
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<tr><td class="paramname">index</td><td>Buffer index. </td></tr>
|
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<tr><td class="paramname">addr</td><td>Frame buffer address to set. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="ga433cf3d4d36b2d602b2e41b415abd85f"></a>
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<div class="memitem">
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<table class="memname">
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<tr>
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<td class="memname">void CSI_EnableInterrupts </td>
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<td>(</td>
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<td class="paramtype">CSI_Type * </td>
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<td class="paramname"><em>base</em>, </td>
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</tr>
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<tr>
|
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>mask</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<dl class="params"><dt>Parameters</dt><dd>
|
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<table class="params">
|
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<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
|
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<tr><td class="paramname">mask</td><td>The interrupts to enable, pass in as OR'ed value of <a class="el" href="a00017.html#ga445b9c8db2ffe230018ced411b88cc3e">_csi_interrupt_enable</a>. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="gaaef95a89e63407cdb28b9dbf81ce4fe5"></a>
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<tr>
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<td class="memname">void CSI_DisableInterrupts </td>
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<td>(</td>
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<td class="paramtype">CSI_Type * </td>
|
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<td class="paramname"><em>base</em>, </td>
|
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</tr>
|
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<tr>
|
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<td class="paramkey"></td>
|
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<td></td>
|
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<td class="paramtype">uint32_t </td>
|
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<td class="paramname"><em>mask</em> </td>
|
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<dl class="params"><dt>Parameters</dt><dd>
|
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<table class="params">
|
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<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
|
|
<tr><td class="paramname">mask</td><td>The interrupts to disable, pass in as OR'ed value of <a class="el" href="a00017.html#ga445b9c8db2ffe230018ced411b88cc3e">_csi_interrupt_enable</a>. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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<a class="anchor" id="gac756a072ac5afdb9567632d02d13e73f"></a>
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<div class="memitem">
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<td class="mlabels-left">
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<td class="memname">static uint32_t CSI_GetStatusFlags </td>
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<td>(</td>
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<td class="paramtype">CSI_Type * </td>
|
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<td class="paramname"><em>base</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
|
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</table>
|
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</dd>
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</dl>
|
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<dl class="section return"><dt>Returns</dt><dd>status flag, it is OR'ed value of <a class="el" href="a00017.html#gac962030ce8597d68455e55874a51721f">_csi_flags</a>. </dd></dl>
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</div>
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<a class="anchor" id="ga9368862568891bbdb29b0a6287801506"></a>
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<div class="memitem">
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<div class="memproto">
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<tr>
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<td class="mlabels-left">
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<tr>
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<td class="memname">static void CSI_ClearStatusFlags </td>
|
|
<td>(</td>
|
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<td class="paramtype">CSI_Type * </td>
|
|
<td class="paramname"><em>base</em>, </td>
|
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</tr>
|
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<tr>
|
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<td class="paramkey"></td>
|
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<td></td>
|
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<td class="paramtype">uint32_t </td>
|
|
<td class="paramname"><em>statusMask</em> </td>
|
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</tr>
|
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<tr>
|
|
<td></td>
|
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<td>)</td>
|
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<td></td><td></td>
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</tr>
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</table>
|
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</td>
|
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span> </td>
|
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</tr>
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</table>
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</div><div class="memdoc">
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<p>The flags to clear are passed in as OR'ed value of <a class="el" href="a00017.html#gac962030ce8597d68455e55874a51721f">_csi_flags</a>. The following flags are cleared automatically by hardware:</p>
|
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<ul>
|
|
<li><a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fabdd835d96491b90bf5ae39dc5e4b0497">kCSI_RxFifoFullFlag</a>,</li>
|
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<li><a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fa920018020044eb07e3ffed1f423208a5">kCSI_StatFifoFullFlag</a>,</li>
|
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<li><a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fab337940c172c17058f8cde8bb676378f">kCSI_Field0PresentFlag</a>,</li>
|
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<li><a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fa157a47bde1ba661fdf22ca2ae61b3c0b">kCSI_Field1PresentFlag</a>,</li>
|
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<li><a class="el" href="a00017.html#ggac962030ce8597d68455e55874a51721fa32acc9a0622596c7f830e6d70568931c">kCSI_RxFifoDataReadyFlag</a>,</li>
|
|
</ul>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
|
|
<tr><td class="paramname">statusMask</td><td>The status flags mask, OR'ed value of <a class="el" href="a00017.html#gac962030ce8597d68455e55874a51721f">_csi_flags</a>. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="gaff15e4c1cd458f686e4f296ce3d417d5"></a>
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<div class="memitem">
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<div class="memproto">
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<tr>
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<td class="memname"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> CSI_TransferCreateHandle </td>
|
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<td>(</td>
|
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<td class="paramtype">CSI_Type * </td>
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<td class="paramname"><em>base</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="a00017.html#a00336">csi_handle_t</a> * </td>
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<td class="paramname"><em>handle</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="a00017.html#ga68a7e9c86a91b7ffb6547cf762ef6f3f">csi_transfer_callback_t</a> </td>
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<td class="paramname"><em>callback</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>userData</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This function initializes CSI handle, it should be called before any other CSI transactional functions.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
|
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<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
|
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<tr><td class="paramname">handle</td><td>Pointer to the handle structure. </td></tr>
|
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<tr><td class="paramname">callback</td><td>Callback function for CSI transfer. </td></tr>
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<tr><td class="paramname">userData</td><td>Callback function parameter.</td></tr>
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</table>
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</dd>
|
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</dl>
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<dl class="retval"><dt>Return values</dt><dd>
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<table class="retval">
|
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<tr><td class="paramname">kStatus_Success</td><td>Handle created successfully. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="ga65a17c86c64297a09857e435588a65d6"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> CSI_TransferStart </td>
|
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<td>(</td>
|
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<td class="paramtype">CSI_Type * </td>
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<td class="paramname"><em>base</em>, </td>
|
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</tr>
|
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<tr>
|
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="a00017.html#a00336">csi_handle_t</a> * </td>
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<td class="paramname"><em>handle</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>When the empty frame buffers have been submit to CSI driver using function <a class="el" href="a00017.html#ga807a6677a22856cf8ad1e37253b14d44">CSI_TransferSubmitEmptyBuffer</a>, user could call this function to start the transfer. The incoming frame will be saved to the empty frame buffer, and user could be optionally notified through callback function.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
|
|
<tr><td class="paramname">handle</td><td>Pointer to the handle structure.</td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="retval"><dt>Return values</dt><dd>
|
|
<table class="retval">
|
|
<tr><td class="paramname">kStatus_Success</td><td>Started successfully. </td></tr>
|
|
<tr><td class="paramname">kStatus_CSI_NoEmptyBuffer</td><td>Could not start because no empty frame buffer in queue. </td></tr>
|
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</table>
|
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</dd>
|
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</dl>
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</div>
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</div>
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<a class="anchor" id="gac20498234465760225985287ff862751"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> CSI_TransferStop </td>
|
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<td>(</td>
|
|
<td class="paramtype">CSI_Type * </td>
|
|
<td class="paramname"><em>base</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype"><a class="el" href="a00017.html#a00336">csi_handle_t</a> * </td>
|
|
<td class="paramname"><em>handle</em> </td>
|
|
</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>The driver does not clean the full frame buffers in queue. In other words, after calling this function, user still could get the full frame buffers in queue using function <a class="el" href="a00017.html#ga36f7bf646f55c098fb12d6fa387d6424">CSI_TransferGetFullBuffer</a>.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
|
|
<tr><td class="paramname">handle</td><td>Pointer to the handle structure.</td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="retval"><dt>Return values</dt><dd>
|
|
<table class="retval">
|
|
<tr><td class="paramname">kStatus_Success</td><td>Stoped successfully. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
|
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</div>
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</div>
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<a class="anchor" id="ga807a6677a22856cf8ad1e37253b14d44"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> CSI_TransferSubmitEmptyBuffer </td>
|
|
<td>(</td>
|
|
<td class="paramtype">CSI_Type * </td>
|
|
<td class="paramname"><em>base</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype"><a class="el" href="a00017.html#a00336">csi_handle_t</a> * </td>
|
|
<td class="paramname"><em>handle</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint32_t </td>
|
|
<td class="paramname"><em>frameBuffer</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
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<td>)</td>
|
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<td></td><td></td>
|
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</tr>
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</table>
|
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</div><div class="memdoc">
|
|
<p>This function could be called before <a class="el" href="a00017.html#ga65a17c86c64297a09857e435588a65d6">CSI_TransferStart</a> or after <a class="el" href="a00017.html#ga65a17c86c64297a09857e435588a65d6">CSI_TransferStart</a>. If there is no room in queue to store the empty frame buffer, this function returns error.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
|
|
<tr><td class="paramname">handle</td><td>Pointer to the handle structure. </td></tr>
|
|
<tr><td class="paramname">frameBuffer</td><td>Empty frame buffer to submit.</td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="retval"><dt>Return values</dt><dd>
|
|
<table class="retval">
|
|
<tr><td class="paramname">kStatus_Success</td><td>Started successfully. </td></tr>
|
|
<tr><td class="paramname">kStatus_CSI_QueueFull</td><td>Could not submit because there is no room in queue. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
|
|
</div>
|
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</div>
|
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<a class="anchor" id="ga36f7bf646f55c098fb12d6fa387d6424"></a>
|
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<div class="memitem">
|
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<div class="memproto">
|
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<table class="memname">
|
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<tr>
|
|
<td class="memname"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> CSI_TransferGetFullBuffer </td>
|
|
<td>(</td>
|
|
<td class="paramtype">CSI_Type * </td>
|
|
<td class="paramname"><em>base</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype"><a class="el" href="a00017.html#a00336">csi_handle_t</a> * </td>
|
|
<td class="paramname"><em>handle</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint32_t * </td>
|
|
<td class="paramname"><em>frameBuffer</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
|
<td>)</td>
|
|
<td></td><td></td>
|
|
</tr>
|
|
</table>
|
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</div><div class="memdoc">
|
|
<p>After the transfer started using function <a class="el" href="a00017.html#ga65a17c86c64297a09857e435588a65d6">CSI_TransferStart</a>, the incoming frames will be saved to the empty frame buffers in queue. This function gets the full-filled frame buffer from the queue. If there is no full frame buffer in queue, this function returns error.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
|
|
<tr><td class="paramname">handle</td><td>Pointer to the handle structure. </td></tr>
|
|
<tr><td class="paramname">frameBuffer</td><td>Full frame buffer.</td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="retval"><dt>Return values</dt><dd>
|
|
<table class="retval">
|
|
<tr><td class="paramname">kStatus_Success</td><td>Started successfully. </td></tr>
|
|
<tr><td class="paramname">kStatus_CSI_NoFullBuffer</td><td>There is no full frame buffer in queue. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
|
|
</div>
|
|
</div>
|
|
<a class="anchor" id="gaa8118210b401dacd2257dbb75c6a6310"></a>
|
|
<div class="memitem">
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<div class="memproto">
|
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<table class="memname">
|
|
<tr>
|
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<td class="memname">void CSI_TransferHandleIRQ </td>
|
|
<td>(</td>
|
|
<td class="paramtype">CSI_Type * </td>
|
|
<td class="paramname"><em>base</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype"><a class="el" href="a00017.html#a00336">csi_handle_t</a> * </td>
|
|
<td class="paramname"><em>handle</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
|
<td>)</td>
|
|
<td></td><td></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
<p>This function handles the CSI IRQ request to work with CSI driver transactional APIs.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">base</td><td>CSI peripheral base address. </td></tr>
|
|
<tr><td class="paramname">handle</td><td>CSI handle pointer. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
|
|
</div>
|
|
</div>
|
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