Other Parts Discussed in Thread: CC3220S
Hi,
i have been trying to communicate slave device with SPI. I refer to the below code from Resource Explorer / TI-Drivers API Documentation. But, I couldnt initiate SPI communication. Should i do something else as a configuration ? Maybe in CC3220S_LAUNCHXL.c or CC3220S_LAUNCHXL.h files ?
One more question, PIN_08 is configured CS for SPI1, How i can manage CS ?
Pins
PIN_07 MOSI,
PIN_06 MISO,
PIN_05 CLK,
PIN_08 CS
Reference Code
SPI_Handle spi;
SPI_Params spiParams;
SPI_Transaction spiTransaction;
uint8_t transmitBuffer[MSGSIZE];
uint8_t receiveBuffer[MSGSIZE];
bool transferOK;
SPI_init(); // Initialize the SPI driver
SPI_Params_init(&spiParams); // Initialize SPI parameters
spiParams.dataSize = 8; // 8-bit data size
spi = SPI_open(Board_SPI0, &spiParams);
if (spi == NULL) {
while (1); // SPI_open() failed
}
// Fill in transmitBuffer
spiTransaction.count = MSGSIZE;
spiTransaction.txBuf = transmitBuffer;
spiTransaction.rxBuf = receiveBuffer;
transferOK = SPI_transfer(spi, &spiTransaction);
if (!transferOK) {
// Error in SPI or transfer already in progress.
}