when I use spi module driver one slaver,it works,the configuration as below:
#define SPI0_0 0
const lpspi_master_config_t lpspiCom1_MasterConfig0 = {
.bitsPerSec = 500000U,
.whichPcs = LPSPI_PCS0,
.pcsPolarity = LPSPI_ACTIVE_LOW,
.isPcsContinuous = true,
.bitcount = 8U,
.lpspiSrcClk = 8000000U,
.clkPhase = LPSPI_CLOCK_PHASE_2ND_EDGE,
.clkPolarity = LPSPI_SCK_ACTIVE_LOW,
.lsbFirst = false,
.transferType = LPSPI_USING_INTERRUPTS,
.rxDMAChannel = 255,
.txDMAChannel = 255,
};
then i call it in the main(),transfer is ok.
int main(void)
{
lpspi_state_t masterState;
CLOCK_SYS_Init(g_clockManConfigsArr, CLOCK_MANAGER_CONFIG_CNT,g_clockManCallbacksArr, CLOCK_MANAGER_CALLBACK_CNT);
CLOCK_SYS_UpdateConfiguration(0U, CLOCK_MANAGER_POLICY_FORCIBLE);
PINS_DRV_Init(NUM_OF_CONFIGURED_PINS, g_pin_mux_InitConfigArr);
LPSPI_DRV_MasterInit(SPI0_0, &masterState, &lpspiCom1_MasterConfig0);
while(1)
{
delay(100);
LPSPI_DRV_MasterTransferBlocking(SPI0_0,DataSend,DataRece,1, TIMEOUT);
}
}
however,now,I want use one SPI module to drive three slavers,the configuration as below:
const lpspi_master_config_t lpspiCom3_MasterConfig0 = {
.bitsPerSec = 500000U,
.whichPcs = LPSPI_PCS0,
.pcsPolarity = LPSPI_ACTIVE_LOW,
.isPcsContinuous = true,
.bitcount = 8U,
.lpspiSrcClk = 8000000U,
.clkPhase = LPSPI_CLOCK_PHASE_2ND_EDGE,
.clkPolarity = LPSPI_SCK_ACTIVE_LOW,
.lsbFirst = false,
.transferType = LPSPI_USING_INTERRUPTS,
.rxDMAChannel = 255,
.txDMAChannel = 255,
};
const lpspi_master_config_t lpspiCom3_MasterConfig1 = {
.bitsPerSec = 500000U,
.whichPcs = LPSPI_PCS1,
.pcsPolarity = LPSPI_ACTIVE_LOW,
.isPcsContinuous = true,
.bitcount = 8U,
.lpspiSrcClk = 8000000U,
.clkPhase = LPSPI_CLOCK_PHASE_2ND_EDGE,
.clkPolarity = LPSPI_SCK_ACTIVE_LOW,
.lsbFirst = false,
.transferType = LPSPI_USING_INTERRUPTS,
.rxDMAChannel = 255,
.txDMAChannel = 255,
};
const lpspi_master_config_t lpspiCom3_MasterConfig2 = {
.bitsPerSec = 500000U,
.whichPcs = LPSPI_PCS2,
.pcsPolarity = LPSPI_ACTIVE_LOW,
.isPcsContinuous = true,
.bitcount = 8U,
.lpspiSrcClk = 8000000U,
.clkPhase = LPSPI_CLOCK_PHASE_2ND_EDGE,
.clkPolarity = LPSPI_SCK_ACTIVE_LOW,
.lsbFirst = false,
.transferType = LPSPI_USING_INTERRUPTS,
.rxDMAChannel = 255,
.txDMAChannel = 255,
};
then,in main();call init and trasfer function,the result is that SPI transfer doesn't work.
int main(void)
{
lpspi_state_t masterState;
CLOCK_SYS_Init(g_clockManConfigsArr, CLOCK_MANAGER_CONFIG_CNT,g_clockManCallbacksArr, CLOCK_MANAGER_CALLBACK_CNT);
CLOCK_SYS_UpdateConfiguration(0U, CLOCK_MANAGER_POLICY_FORCIBLE);
PINS_DRV_Init(NUM_OF_CONFIGURED_PINS, g_pin_mux_InitConfigArr);
LPSPI_DRV_MasterInit(SPI2_0, &masterState, &lpspiCom3_MasterConfig0);
LPSPI_DRV_MasterInit(SPI2_1, &masterState, &lpspiCom3_MasterConfig1);
LPSPI_DRV_MasterInit(SPI2_2, &masterState, &lpspiCom3_MasterConfig2);
while(1)
{
delay(100);
LPSPI_DRV_MasterTransferBlocking(SPI2_0,DataSend,DataRece,1, TIMEOUT);
LPSPI_DRV_MasterTransferBlocking(SPI2_1,DataSend,DataRece,1, TIMEOUT);
LPSPI_DRV_MasterTransferBlocking(SPI2_2,DataSend,DataRece,1, TIMEOUT);
}
}
is my yellow code right?
