CCS/LAUNCHXL-CC2640R2: start spi DMA driver

Lease

Prodigy 230 points

Part Number: LAUNCHXL-CC2640R2

Tool/software: Code Composer Studio

void spi_init(void)
{
SPI_Handle spi;
SPI_Params spiParams;

SPI_Params_init(&spiParams);
spiParams.transferMode = SPI_MODE_BLOCKING;
spi = SPI_open(Board_SPI0, &spiParams);

if (spi == NULL) {
// Error opening SPI
while(1);
}
}

bool SPI_ReadWriteData(uint8_t *pWriteData, uint8_t *pReadData, uint8_t writeDataLen)
{
bool transferOk;
s_spiTransaction.count = writeDataLen; // 写入的数据长度
s_spiTransaction.arg = NULL;
s_spiTransaction.txBuf = pWriteData; // 发送缓冲区
s_spiTransaction.rxBuf = pReadData; // 接收缓冲区

transferOk = SPI_transfer(s_spiHandle, &s_spiTransaction); // 启动SPI传输
if(!transferOk)
{
// Error in SPI or transfer already in progress.
}
return transferOk;
}

/*************************************END OF FILE*************************************/

in project _zero_init