IPC@CHIP® RTOS-LNX – API Documentation

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◆ spiReadWrite()

unsigned int spiReadWrite ( BYTE  idx,
BYTE *  rbufferPtr,
const BYTE *  wbufferPtr,
unsigned int  nbytes 

Use this function to input and output bytes from/to the SPI bus in master mode.

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

[out]rbufferPtrOutput buffer that receives data bytes that are read from the SPI bus.

nbytesNumber of data bytes to should be transfered.
Zero on success
  • Bit0=1, wrong arguments (NULL pointer passed or wrong index)
Only supported at @CHIP-RTOS-LNX target(s)
See also
spiRead() spiWrite()

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