sAPI SPI shift

sapi_spi.c

// Add this to libs/sapi/sapi_v0.5.2/soc/peripherals/src/sapi_spi.c
void spiShiftBlock( spiMap_t spi, const uint8_t *in, uint8_t *out, uint32_t count)
{
   Chip_SSP_DATA_SETUP_T xferConfig;
   uint8_t out;

   xferConfig.tx_data = ∈
   xferConfig.tx_cnt  = 0;
   xferConfig.rx_data = &out;
   xferConfig.rx_cnt  = 0;
   xferConfig.length  = count;

   Chip_SSP_RWFrames_Blocking( LPC_SSP1, &xferConfig );
}

uint8_t spiShift( spiMap_t spi, uint8_t in)
{
   uint8_t out;
   spiShiftBlock(spi, &in, &out, 1);
   return out;
}

sapi_spi.h

// Add this to libs/sapi/sapi_v0.5.2/soc/peripherals/inc/sapi_spi.h
void spiShiftBlock( spiMap_t spi, const uint8_t *in, uint8_t *out, uint32_t count);
uint8_t spiShift( spiMap_t spi, uint8_t in);