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< div class = "title" > LPI2C: Low Power Inter-Integrated Circuit Driver< / div > < / div >
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< a name = "details" id = "details" > < / a > < h2 class = "groupheader" > Overview< / h2 >
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Modules< / h2 > < / td > < / tr >
< tr class = "memitem:a00270" > < td class = "memItemLeft" align = "right" valign = "top" >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00270.html" > LPI2C CMSIS Driver< / a > < / td > < / tr >
< tr class = "separator:" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a00269" > < td class = "memItemLeft" align = "right" valign = "top" >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00269.html" > LPI2C FreeRTOS Driver< / a > < / td > < / tr >
< tr class = "separator:" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a00046" > < td class = "memItemLeft" align = "right" valign = "top" >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00046.html" > LPI2C Master DMA Driver< / a > < / td > < / tr >
< tr class = "separator:" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a00045" > < td class = "memItemLeft" align = "right" valign = "top" >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00045.html" > LPI2C Master Driver< / a > < / td > < / tr >
< tr class = "separator:" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "separator:" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< / table > < table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "define-members" > < / a >
Macros< / h2 > < / td > < / tr >
< tr class = "memitem:gaac288786aaa7d0cb947c91591baf42d7" > < td class = "memItemLeft" align = "right" valign = "top" > #define  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00268.html#gaac288786aaa7d0cb947c91591baf42d7" > I2C_RETRY_TIMES< / a >       0U /* Define to zero means keep waiting until the flag is assert/deassert. */< / td > < / tr >
< tr class = "memdesc:gaac288786aaa7d0cb947c91591baf42d7" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Retry times for waiting flag. < a href = "#gaac288786aaa7d0cb947c91591baf42d7" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:gaac288786aaa7d0cb947c91591baf42d7" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< / table > < table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "enum-members" > < / a >
Enumerations< / h2 > < / td > < / tr >
< tr class = "memitem:ga84627a72058502328269676b81780f89" > < td class = "memItemLeft" align = "right" valign = "top" > enum   < / td > < td class = "memItemRight" valign = "bottom" > { < br / >
    < a class = "el" href = "a00268.html#gga84627a72058502328269676b81780f89af52a270e301641b8855edf3fcc843814" > kStatus_LPI2C_Busy< / a > = MAKE_STATUS(kStatusGroup_LPI2C, 0),
< br / >
    < a class = "el" href = "a00268.html#gga84627a72058502328269676b81780f89a6603ec1135f58532c9d4accc3661bc27" > kStatus_LPI2C_Idle< / a > = MAKE_STATUS(kStatusGroup_LPI2C, 1),
< br / >
    < a class = "el" href = "a00268.html#gga84627a72058502328269676b81780f89a75dbc01ed590c24e787fadb97ba2f684" > kStatus_LPI2C_Nak< / a > = MAKE_STATUS(kStatusGroup_LPI2C, 2),
< br / >
    < a class = "el" href = "a00268.html#gga84627a72058502328269676b81780f89a5b3634e1fedb0ad8cc38476aac29477e" > kStatus_LPI2C_FifoError< / a > = MAKE_STATUS(kStatusGroup_LPI2C, 3),
< br / >
    < a class = "el" href = "a00268.html#gga84627a72058502328269676b81780f89aa08b2b2938831610ff303e2415291be6" > kStatus_LPI2C_BitError< / a > = MAKE_STATUS(kStatusGroup_LPI2C, 4),
< br / >
    < a class = "el" href = "a00268.html#gga84627a72058502328269676b81780f89a5169d7e655df8bde3b4fc6d49ae8777a" > kStatus_LPI2C_ArbitrationLost< / a > = MAKE_STATUS(kStatusGroup_LPI2C, 5),
< br / >
    < a class = "el" href = "a00268.html#gga84627a72058502328269676b81780f89aa8c558fc024cbde751d7861ea6efca78" > kStatus_LPI2C_PinLowTimeout< / a > ,
< br / >
    < a class = "el" href = "a00268.html#gga84627a72058502328269676b81780f89aa301f3640e63a3d3d951429b9b7ee866" > kStatus_LPI2C_NoTransferInProgress< / a > ,
< br / >
    < a class = "el" href = "a00268.html#gga84627a72058502328269676b81780f89a14d70db977f150497fd4a9d232dc2cd8" > kStatus_LPI2C_DmaRequestFail< / a > = MAKE_STATUS(kStatusGroup_LPI2C, 8),
< br / >
    < a class = "el" href = "a00268.html#gga84627a72058502328269676b81780f89a002394fe77437f41ea82506d69646d66" > kStatus_LPI2C_Timeout< / a > = MAKE_STATUS(kStatusGroup_LPI2C, 9)
< br / >
}< / td > < / tr >
< tr class = "memdesc:ga84627a72058502328269676b81780f89" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > LPI2C status return codes. < a href = "a00268.html#ga84627a72058502328269676b81780f89" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:ga84627a72058502328269676b81780f89" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< / table > < table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "func-members" > < / a >
Functions< / h2 > < / td > < / tr >
< tr class = "memitem:gac812c014c01cdc505af7a4df761e8b4c" > < td class = "memItemLeft" align = "right" valign = "top" > uint32_t  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00268.html#gac812c014c01cdc505af7a4df761e8b4c" > LPI2C_GetInstance< / a > (LPI2C_Type *base)< / td > < / tr >
< tr class = "memdesc:gac812c014c01cdc505af7a4df761e8b4c" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Returns an instance number given a base address. < a href = "#gac812c014c01cdc505af7a4df761e8b4c" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:gac812c014c01cdc505af7a4df761e8b4c" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< / table > < table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "var-members" > < / a >
Variables< / h2 > < / td > < / tr >
< tr class = "memitem:ga88b6c302a3fb2094ba8a3085cd0c2b16" > < td class = "memItemLeft" align = "right" valign = "top" > IRQn_Type const  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00268.html#ga88b6c302a3fb2094ba8a3085cd0c2b16" > kLpi2cIrqs< / a > []< / td > < / tr >
< tr class = "memdesc:ga88b6c302a3fb2094ba8a3085cd0c2b16" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > < pre class = "fragment" > Array to map LPI2C instance number to IRQ number, used internally for LPI2C master interrupt and EDMA transactional
< / pre > < p > APIs. < a href = "#ga88b6c302a3fb2094ba8a3085cd0c2b16" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:ga88b6c302a3fb2094ba8a3085cd0c2b16" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ga604dde7d01cad3e127825095c47eb9fe" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "a00045.html#gafec474a625b178e148fcc930f230be75" > lpi2c_master_isr_t< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00268.html#ga604dde7d01cad3e127825095c47eb9fe" > s_lpi2cMasterIsr< / a > < / td > < / tr >
< tr class = "memdesc:ga604dde7d01cad3e127825095c47eb9fe" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > < pre class = "fragment" > Pointer to master IRQ handler for each instance, used internally for LPI2C master interrupt and EDMA transactional
< / pre > < p > APIs. < a href = "#ga604dde7d01cad3e127825095c47eb9fe" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:ga604dde7d01cad3e127825095c47eb9fe" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ga42462dd67e8affc0459e72a15714a164" > < td class = "memItemLeft" align = "right" valign = "top" > void *  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00268.html#ga42462dd67e8affc0459e72a15714a164" > s_lpi2cMasterHandle< / a > []< / td > < / tr >
< tr class = "memdesc:ga42462dd67e8affc0459e72a15714a164" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > < pre class = "fragment" > Pointers to master handles for each instance, used internally for LPI2C master interrupt and EDMA transactional
< / pre > < p > APIs. < a href = "#ga42462dd67e8affc0459e72a15714a164" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:ga42462dd67e8affc0459e72a15714a164" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< / table > < table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "member-group" > < / a >
Driver version< / h2 > < / td > < / tr >
< tr class = "memitem:gad5469acd31ed336234c60b02cf7c424a" > < td class = "memItemLeft" align = "right" valign = "top" > #define  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00268.html#gad5469acd31ed336234c60b02cf7c424a" > FSL_LPI2C_DRIVER_VERSION< / a >       (< a class = "el" href = "a00260.html#ga812138aa3315b0c6953c1a26130bcc37" > MAKE_VERSION< / a > (2, 5, 2))< / td > < / tr >
< tr class = "memdesc:gad5469acd31ed336234c60b02cf7c424a" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > LPI2C driver version. < a href = "#gad5469acd31ed336234c60b02cf7c424a" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:gad5469acd31ed336234c60b02cf7c424a" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< / table >
< h2 class = "groupheader" > Macro Definition Documentation< / h2 >
< a class = "anchor" id = "gad5469acd31ed336234c60b02cf7c424a" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > #define FSL_LPI2C_DRIVER_VERSION      (< a class = "el" href = "a00260.html#ga812138aa3315b0c6953c1a26130bcc37" > MAKE_VERSION< / a > (2, 5, 2))< / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< / div >
< / div >
< a class = "anchor" id = "gaac288786aaa7d0cb947c91591baf42d7" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > #define I2C_RETRY_TIMES      0U /* Define to zero means keep waiting until the flag is assert/deassert. */< / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< / div >
< / div >
< h2 class = "groupheader" > Enumeration Type Documentation< / h2 >
< a class = "anchor" id = "ga84627a72058502328269676b81780f89" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > anonymous enum< / 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 = "gga84627a72058502328269676b81780f89af52a270e301641b8855edf3fcc843814" > < / a > kStatus_LPI2C_Busy< / em > < / td > < td class = "fielddoc" >
< p > The master is already performing a transfer. < / p >
< / td > < / tr >
< tr > < td class = "fieldname" > < em > < a class = "anchor" id = "gga84627a72058502328269676b81780f89a6603ec1135f58532c9d4accc3661bc27" > < / a > kStatus_LPI2C_Idle< / em > < / td > < td class = "fielddoc" >
< p > The slave driver is idle. < / p >
< / td > < / tr >
< tr > < td class = "fieldname" > < em > < a class = "anchor" id = "gga84627a72058502328269676b81780f89a75dbc01ed590c24e787fadb97ba2f684" > < / a > kStatus_LPI2C_Nak< / em > < / td > < td class = "fielddoc" >
< p > The slave device sent a NAK in response to a byte. < / p >
< / td > < / tr >
< tr > < td class = "fieldname" > < em > < a class = "anchor" id = "gga84627a72058502328269676b81780f89a5b3634e1fedb0ad8cc38476aac29477e" > < / a > kStatus_LPI2C_FifoError< / em > < / td > < td class = "fielddoc" >
< p > FIFO under run or overrun. < / p >
< / td > < / tr >
< tr > < td class = "fieldname" > < em > < a class = "anchor" id = "gga84627a72058502328269676b81780f89aa08b2b2938831610ff303e2415291be6" > < / a > kStatus_LPI2C_BitError< / em > < / td > < td class = "fielddoc" >
< p > Transferred bit was not seen on the bus. < / p >
< / td > < / tr >
< tr > < td class = "fieldname" > < em > < a class = "anchor" id = "gga84627a72058502328269676b81780f89a5169d7e655df8bde3b4fc6d49ae8777a" > < / a > kStatus_LPI2C_ArbitrationLost< / em > < / td > < td class = "fielddoc" >
< p > Arbitration lost error. < / p >
< / td > < / tr >
< tr > < td class = "fieldname" > < em > < a class = "anchor" id = "gga84627a72058502328269676b81780f89aa8c558fc024cbde751d7861ea6efca78" > < / a > kStatus_LPI2C_PinLowTimeout< / em > < / td > < td class = "fielddoc" >
< p > SCL or SDA were held low longer than the timeout. < / p >
< / td > < / tr >
< tr > < td class = "fieldname" > < em > < a class = "anchor" id = "gga84627a72058502328269676b81780f89aa301f3640e63a3d3d951429b9b7ee866" > < / a > kStatus_LPI2C_NoTransferInProgress< / em > < / td > < td class = "fielddoc" >
< p > Attempt to abort a transfer when one is not in progress. < / p >
< / td > < / tr >
< tr > < td class = "fieldname" > < em > < a class = "anchor" id = "gga84627a72058502328269676b81780f89a14d70db977f150497fd4a9d232dc2cd8" > < / a > kStatus_LPI2C_DmaRequestFail< / em > < / td > < td class = "fielddoc" >
< p > DMA request failed. < / p >
< / td > < / tr >
< tr > < td class = "fieldname" > < em > < a class = "anchor" id = "gga84627a72058502328269676b81780f89a002394fe77437f41ea82506d69646d66" > < / a > kStatus_LPI2C_Timeout< / em > < / td > < td class = "fielddoc" >
< p > Timeout polling status flags. < / p >
< / td > < / tr >
< / table >
< / div >
< / div >
< h2 class = "groupheader" > Function Documentation< / h2 >
< a class = "anchor" id = "gac812c014c01cdc505af7a4df761e8b4c" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > uint32_t LPI2C_GetInstance < / td >
< td > (< / td >
< td class = "paramtype" > LPI2C_Type *  < / td >
< td class = "paramname" > < em > base< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > If an invalid base address is passed, debug builds will assert. Release builds will just return instance number 0.< / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > base< / td > < td > The LPI2C peripheral base address. < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > LPI2C instance number starting from 0. < / dd > < / dl >
< / div >
< / div >
< h2 class = "groupheader" > Variable Documentation< / h2 >
< a class = "anchor" id = "ga88b6c302a3fb2094ba8a3085cd0c2b16" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > IRQn_Type const kLpi2cIrqs[]< / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
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< / div >
< a class = "anchor" id = "ga604dde7d01cad3e127825095c47eb9fe" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > < a class = "el" href = "a00045.html#gafec474a625b178e148fcc930f230be75" > lpi2c_master_isr_t< / a > s_lpi2cMasterIsr< / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< / div >
< / div >
< a class = "anchor" id = "ga42462dd67e8affc0459e72a15714a164" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > void* s_lpi2cMasterHandle[]< / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< / div >
< / div >
< / div > <!-- contents -->
2022-08-23 15:00:33 +00:00
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