IPC@CHIP® RTOS-LNX – API Documentation

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◆ spiWrite()

unsigned int spiWrite ( BYTE  idx,
const BYTE *  bufferPtr,
unsigned int  nbytes 
)

Use this function to output bytes to the SPI bus in master mode.

Parameters
idxSPI bus index
     0 = SPI on SPI1
     1 = SPI on SPI2
     etc.
[in]bufferPtrInput buffer that contains data bytes that should be send over the SPI bus.

nbytesNumber of data bytes to send.
Returns
Zero on success
  • Bit0=1, wrong arguments (NULL pointer passed or wrong index)
Since
V0.86
See also
spiRead() spiReadWrite()





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