491 lines
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491 lines
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<a href="#nested-classes">Data Structures</a> </div>
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<div class="title">LPUART FreeRTOS Driver<div class="ingroups"><a class="el" href="a00052.html">LPUART: Low Power Universal Asynchronous Receiver/Transmitter Driver</a></div></div> </div>
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</div><!--header-->
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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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<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:a00069"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#a00069">lpuart_rtos_config_t</a></td></tr>
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<tr class="memdesc:a00069"><td class="mdescLeft"> </td><td class="mdescRight">LPUART RTOS configuration structure. <a href="a00016.html#a00069">More...</a><br/></td></tr>
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<tr class="separator:a00069"><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:gae78d379ef6bde2ad08e1fe64f1f09bf5"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#gae78d379ef6bde2ad08e1fe64f1f09bf5">FSL_LPUART_FREERTOS_DRIVER_VERSION</a>   (<a class="el" href="a00049.html#ga812138aa3315b0c6953c1a26130bcc37">MAKE_VERSION</a>(2, 6, 0))</td></tr>
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<tr class="memdesc:gae78d379ef6bde2ad08e1fe64f1f09bf5"><td class="mdescLeft"> </td><td class="mdescRight">LPUART FreeRTOS driver version. <a href="#gae78d379ef6bde2ad08e1fe64f1f09bf5">More...</a><br/></td></tr>
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<tr class="separator:gae78d379ef6bde2ad08e1fe64f1f09bf5"><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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LPUART RTOS Operation</h2></td></tr>
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<tr class="memitem:ga5be9370b1fa0187c194475769e7138fc"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#ga5be9370b1fa0187c194475769e7138fc">LPUART_RTOS_Init</a> (lpuart_rtos_handle_t *handle, lpuart_handle_t *t_handle, const <a class="el" href="a00016.html#a00069">lpuart_rtos_config_t</a> *cfg)</td></tr>
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<tr class="memdesc:ga5be9370b1fa0187c194475769e7138fc"><td class="mdescLeft"> </td><td class="mdescRight">Initializes an LPUART instance for operation in RTOS. <a href="#ga5be9370b1fa0187c194475769e7138fc">More...</a><br/></td></tr>
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<tr class="separator:ga5be9370b1fa0187c194475769e7138fc"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga057e59dcc578ef4b303850bcd90ca50e"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#ga057e59dcc578ef4b303850bcd90ca50e">LPUART_RTOS_Deinit</a> (lpuart_rtos_handle_t *handle)</td></tr>
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<tr class="memdesc:ga057e59dcc578ef4b303850bcd90ca50e"><td class="mdescLeft"> </td><td class="mdescRight">Deinitializes an LPUART instance for operation. <a href="#ga057e59dcc578ef4b303850bcd90ca50e">More...</a><br/></td></tr>
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<tr class="separator:ga057e59dcc578ef4b303850bcd90ca50e"><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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LPUART transactional Operation</h2></td></tr>
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<tr class="memitem:ga275e067e13ecc77dde83d2d7938c038e"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#ga275e067e13ecc77dde83d2d7938c038e">LPUART_RTOS_Send</a> (lpuart_rtos_handle_t *handle, uint8_t *buffer, uint32_t length)</td></tr>
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<tr class="memdesc:ga275e067e13ecc77dde83d2d7938c038e"><td class="mdescLeft"> </td><td class="mdescRight">Sends data in the background. <a href="#ga275e067e13ecc77dde83d2d7938c038e">More...</a><br/></td></tr>
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<tr class="separator:ga275e067e13ecc77dde83d2d7938c038e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga0561f87122863c6e9b20f8991a73a0fb"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#ga0561f87122863c6e9b20f8991a73a0fb">LPUART_RTOS_Receive</a> (lpuart_rtos_handle_t *handle, uint8_t *buffer, uint32_t length, size_t *received)</td></tr>
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<tr class="memdesc:ga0561f87122863c6e9b20f8991a73a0fb"><td class="mdescLeft"> </td><td class="mdescRight">Receives data. <a href="#ga0561f87122863c6e9b20f8991a73a0fb">More...</a><br/></td></tr>
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<tr class="separator:ga0561f87122863c6e9b20f8991a73a0fb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga3e211e0c1a2c93d9bdd73d6ca4639a10"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#ga3e211e0c1a2c93d9bdd73d6ca4639a10">LPUART_RTOS_SetRxTimeout</a> (lpuart_rtos_handle_t *handle, uint32_t rx_timeout_constant_ms, uint32_t rx_timeout_multiplier_ms)</td></tr>
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<tr class="memdesc:ga3e211e0c1a2c93d9bdd73d6ca4639a10"><td class="mdescLeft"> </td><td class="mdescRight">Set RX timeout in runtime. <a href="#ga3e211e0c1a2c93d9bdd73d6ca4639a10">More...</a><br/></td></tr>
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<tr class="separator:ga3e211e0c1a2c93d9bdd73d6ca4639a10"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gad2317ff04710f0f4a2dc7d219f850c85"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#gad2317ff04710f0f4a2dc7d219f850c85">LPUART_RTOS_SetTxTimeout</a> (lpuart_rtos_handle_t *handle, uint32_t tx_timeout_constant_ms, uint32_t tx_timeout_multiplier_ms)</td></tr>
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<tr class="memdesc:gad2317ff04710f0f4a2dc7d219f850c85"><td class="mdescLeft"> </td><td class="mdescRight">Set TX timeout in runtime. <a href="#gad2317ff04710f0f4a2dc7d219f850c85">More...</a><br/></td></tr>
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<tr class="separator:gad2317ff04710f0f4a2dc7d219f850c85"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<hr/><h2 class="groupheader">Data Structure Documentation</h2>
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<a name="a00069" id="a00069"></a>
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<td class="memname">struct lpuart_rtos_config_t</td>
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</div><div class="memdoc">
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<div class="textblock"></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:abf5491a7b9c911ead3f256fc61357f65"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="abf5491a7b9c911ead3f256fc61357f65"></a>
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LPUART_Type * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#abf5491a7b9c911ead3f256fc61357f65">base</a></td></tr>
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<tr class="memdesc:abf5491a7b9c911ead3f256fc61357f65"><td class="mdescLeft"> </td><td class="mdescRight">UART base address. <br/></td></tr>
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<tr class="separator:abf5491a7b9c911ead3f256fc61357f65"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a5209f6a860555957f5d75940b2132ae5"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5209f6a860555957f5d75940b2132ae5"></a>
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uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#a5209f6a860555957f5d75940b2132ae5">srcclk</a></td></tr>
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<tr class="memdesc:a5209f6a860555957f5d75940b2132ae5"><td class="mdescLeft"> </td><td class="mdescRight">UART source clock in Hz. <br/></td></tr>
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<tr class="separator:a5209f6a860555957f5d75940b2132ae5"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a86b9316f7c8bc63e672f7efd09bbb86a"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a86b9316f7c8bc63e672f7efd09bbb86a"></a>
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uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#a86b9316f7c8bc63e672f7efd09bbb86a">baudrate</a></td></tr>
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<tr class="memdesc:a86b9316f7c8bc63e672f7efd09bbb86a"><td class="mdescLeft"> </td><td class="mdescRight">Desired communication speed. <br/></td></tr>
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<tr class="separator:a86b9316f7c8bc63e672f7efd09bbb86a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a77f066eb41ad7b46edd5a3ee9e72d700"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a77f066eb41ad7b46edd5a3ee9e72d700"></a>
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<a class="el" href="a00013.html#ga6fcd73abf900b8a17dab1f2b1f3f53c7">lpuart_parity_mode_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#a77f066eb41ad7b46edd5a3ee9e72d700">parity</a></td></tr>
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<tr class="memdesc:a77f066eb41ad7b46edd5a3ee9e72d700"><td class="mdescLeft"> </td><td class="mdescRight">Parity setting. <br/></td></tr>
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<tr class="separator:a77f066eb41ad7b46edd5a3ee9e72d700"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a347be0a813260f445e7829308a58f479"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a347be0a813260f445e7829308a58f479"></a>
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<a class="el" href="a00013.html#ga7540d87bc3fa8a605d8da53fe08219f0">lpuart_stop_bit_count_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#a347be0a813260f445e7829308a58f479">stopbits</a></td></tr>
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<tr class="memdesc:a347be0a813260f445e7829308a58f479"><td class="mdescLeft"> </td><td class="mdescRight">Number of stop bits to use. <br/></td></tr>
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<tr class="separator:a347be0a813260f445e7829308a58f479"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a355e354365fe669ddf27d8eb538c83e9"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a355e354365fe669ddf27d8eb538c83e9"></a>
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uint8_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#a355e354365fe669ddf27d8eb538c83e9">buffer</a></td></tr>
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<tr class="memdesc:a355e354365fe669ddf27d8eb538c83e9"><td class="mdescLeft"> </td><td class="mdescRight">Buffer for background reception. <br/></td></tr>
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<tr class="separator:a355e354365fe669ddf27d8eb538c83e9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad8ba8f4845a222fef29714542876ae55"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad8ba8f4845a222fef29714542876ae55"></a>
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uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#ad8ba8f4845a222fef29714542876ae55">buffer_size</a></td></tr>
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<tr class="memdesc:ad8ba8f4845a222fef29714542876ae55"><td class="mdescLeft"> </td><td class="mdescRight">Size of buffer for background reception. <br/></td></tr>
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<tr class="separator:ad8ba8f4845a222fef29714542876ae55"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aa8dc452650aae3faefd0f92cffe2b6ab"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa8dc452650aae3faefd0f92cffe2b6ab"></a>
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uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#aa8dc452650aae3faefd0f92cffe2b6ab">rx_timeout_constant_ms</a></td></tr>
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<tr class="memdesc:aa8dc452650aae3faefd0f92cffe2b6ab"><td class="mdescLeft"> </td><td class="mdescRight">RX timeout applied per receive. <br/></td></tr>
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<tr class="separator:aa8dc452650aae3faefd0f92cffe2b6ab"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7deed5c320a55485e10ccf7fb6f39d3b"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#a7deed5c320a55485e10ccf7fb6f39d3b">rx_timeout_multiplier_ms</a></td></tr>
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<tr class="memdesc:a7deed5c320a55485e10ccf7fb6f39d3b"><td class="mdescLeft"> </td><td class="mdescRight">RX timeout added for each byte of the receive. <a href="#a7deed5c320a55485e10ccf7fb6f39d3b">More...</a><br/></td></tr>
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<tr class="separator:a7deed5c320a55485e10ccf7fb6f39d3b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a42dc67e6be0ad089f67a8d404aee72d4"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a42dc67e6be0ad089f67a8d404aee72d4"></a>
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uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#a42dc67e6be0ad089f67a8d404aee72d4">tx_timeout_constant_ms</a></td></tr>
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<tr class="memdesc:a42dc67e6be0ad089f67a8d404aee72d4"><td class="mdescLeft"> </td><td class="mdescRight">TX timeout applied per transmition. <br/></td></tr>
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<tr class="separator:a42dc67e6be0ad089f67a8d404aee72d4"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8fa692dea066c6e1393912ae32a5fc3a"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#a8fa692dea066c6e1393912ae32a5fc3a">tx_timeout_multiplier_ms</a></td></tr>
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<tr class="memdesc:a8fa692dea066c6e1393912ae32a5fc3a"><td class="mdescLeft"> </td><td class="mdescRight">TX timeout added for each byte of the transmition. <a href="#a8fa692dea066c6e1393912ae32a5fc3a">More...</a><br/></td></tr>
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<tr class="separator:a8fa692dea066c6e1393912ae32a5fc3a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6bf2ba5df12af74dd4049e4377caa213"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6bf2ba5df12af74dd4049e4377caa213"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#a6bf2ba5df12af74dd4049e4377caa213">enableRxRTS</a></td></tr>
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<tr class="memdesc:a6bf2ba5df12af74dd4049e4377caa213"><td class="mdescLeft"> </td><td class="mdescRight">RX RTS enable. <br/></td></tr>
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<tr class="separator:a6bf2ba5df12af74dd4049e4377caa213"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:adc3d995c9c3c887bb00f2252882c9526"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="adc3d995c9c3c887bb00f2252882c9526"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#adc3d995c9c3c887bb00f2252882c9526">enableTxCTS</a></td></tr>
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<tr class="memdesc:adc3d995c9c3c887bb00f2252882c9526"><td class="mdescLeft"> </td><td class="mdescRight">TX CTS enable. <br/></td></tr>
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<tr class="separator:adc3d995c9c3c887bb00f2252882c9526"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a39ef6b032392c800cb96fbf3db2470f9"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a39ef6b032392c800cb96fbf3db2470f9"></a>
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<a class="el" href="a00013.html#gadd3cf9892416c5503dce7f0567e8c41f">lpuart_transmit_cts_source_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#a39ef6b032392c800cb96fbf3db2470f9">txCtsSource</a></td></tr>
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<tr class="memdesc:a39ef6b032392c800cb96fbf3db2470f9"><td class="mdescLeft"> </td><td class="mdescRight">TX CTS source. <br/></td></tr>
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<tr class="separator:a39ef6b032392c800cb96fbf3db2470f9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af09c2955ab27338fac430062ae812388"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af09c2955ab27338fac430062ae812388"></a>
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<a class="el" href="a00013.html#gafe1039afd48853bd649e23bdfa034540">lpuart_transmit_cts_config_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00016.html#af09c2955ab27338fac430062ae812388">txCtsConfig</a></td></tr>
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<tr class="memdesc:af09c2955ab27338fac430062ae812388"><td class="mdescLeft"> </td><td class="mdescRight">TX CTS configure. <br/></td></tr>
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</table>
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<h4 class="groupheader">Field Documentation</h4>
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<a class="anchor" id="a7deed5c320a55485e10ccf7fb6f39d3b"></a>
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<td class="memname">uint32_t lpuart_rtos_config_t::rx_timeout_multiplier_ms</td>
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<td class="memname">uint32_t lpuart_rtos_config_t::tx_timeout_multiplier_ms</td>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define FSL_LPUART_FREERTOS_DRIVER_VERSION   (<a class="el" href="a00049.html#ga812138aa3315b0c6953c1a26130bcc37">MAKE_VERSION</a>(2, 6, 0))</td>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">int LPUART_RTOS_Init </td>
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<td>(</td>
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<td class="paramtype">lpuart_rtos_handle_t * </td>
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<td class="paramname"><em>handle</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">lpuart_handle_t * </td>
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<td class="paramname"><em>t_handle</em>, </td>
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<td></td>
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<td class="paramtype">const <a class="el" href="a00016.html#a00069">lpuart_rtos_config_t</a> * </td>
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<td class="paramname"><em>cfg</em> </td>
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<td></td>
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<td>)</td>
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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">handle</td><td>The RTOS LPUART handle, the pointer to an allocated space for RTOS context. </td></tr>
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<tr><td class="paramname">t_handle</td><td>The pointer to an allocated space to store the transactional layer internal state. </td></tr>
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<tr><td class="paramname">cfg</td><td>The pointer to the parameters required to configure the LPUART after initialization. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>0 succeed, others failed </dd></dl>
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<td class="memname">int LPUART_RTOS_Deinit </td>
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<td>(</td>
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<td class="paramtype">lpuart_rtos_handle_t * </td>
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<td class="paramname"><em>handle</em></td><td>)</td>
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<p>This function deinitializes the LPUART module, sets all register value to the reset value, and releases the resources.</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">handle</td><td>The RTOS LPUART handle. </td></tr>
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<td class="memname">int LPUART_RTOS_Send </td>
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<td class="paramtype">lpuart_rtos_handle_t * </td>
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<td class="paramname"><em>handle</em>, </td>
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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="paramtype">uint32_t </td>
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<td class="paramname"><em>length</em> </td>
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<td></td>
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<td>)</td>
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<p>This function sends data. It is an synchronous API. If the hardware buffer is full, the task is in the blocked state.</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">handle</td><td>The RTOS LPUART handle. </td></tr>
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<tr><td class="paramname">buffer</td><td>The pointer to buffer to send. </td></tr>
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<tr><td class="paramname">length</td><td>The number of bytes to send. </td></tr>
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<td class="memname">int LPUART_RTOS_Receive </td>
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<td class="paramtype">lpuart_rtos_handle_t * </td>
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<td class="paramname"><em>handle</em>, </td>
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<td class="paramname"><em>length</em>, </td>
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<td class="paramtype">size_t * </td>
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<p>This function receives data from LPUART. It is an synchronous API. If any data is immediately available it is returned immediately and the number of bytes received.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">handle</td><td>The RTOS LPUART handle. </td></tr>
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<tr><td class="paramname">buffer</td><td>The pointer to buffer where to write received data. </td></tr>
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<tr><td class="paramname">length</td><td>The number of bytes to receive. </td></tr>
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<tr><td class="paramname">received</td><td>The pointer to a variable of size_t where the number of received data is filled. </td></tr>
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</table>
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</dl>
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<td class="memname">int LPUART_RTOS_SetRxTimeout </td>
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<td>(</td>
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<td class="paramtype">lpuart_rtos_handle_t * </td>
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<td class="paramname"><em>handle</em>, </td>
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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>rx_timeout_constant_ms</em>, </td>
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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>rx_timeout_multiplier_ms</em> </td>
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<td></td>
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<td>)</td>
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<p>This function can modify RX timeout between initialization and receive.</p>
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<p>param handle The RTOS LPUART handle. param rx_timeout_constant_ms RX timeout applied per receive. param rx_timeout_multiplier_ms RX timeout added for each byte of the receive. </p>
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<td class="memname">int LPUART_RTOS_SetTxTimeout </td>
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<td>(</td>
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<td class="paramtype">lpuart_rtos_handle_t * </td>
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<td class="paramname"><em>handle</em>, </td>
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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>tx_timeout_constant_ms</em>, </td>
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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>tx_timeout_multiplier_ms</em> </td>
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<tr>
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<td></td>
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<td>)</td>
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<p>This function can modify TX timeout between initialization and send.</p>
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<p>param handle The RTOS LPUART handle. param tx_timeout_constant_ms TX timeout applied per transmition. param tx_timeout_multiplier_ms TX timeout added for each byte of the transmition. </p>
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</div>
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</div><!-- contents -->
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