我在vision_apps的vision_apps\platform\j721e\rtos\mcu2_0目录下main.c,里增加了SPI1的操作,但是整个进程会卡在SPI_open这里,无法执行下去,以下是我增加的操作的SPI的代码:
void spi_open(uint32_t instance,uint32_t domain)
{
SPI_Handle spi;
SPI_Params spiParams;
// uint32_t instance, domain;
//domain = 1;
//instance = 1;
SPI_HWAttrs spi_cfg;
appLogPrintf("spi_open instance=%d,domain=%d enter........\n",instance,domain);
SPI_init();
SPI_socGetInitCfg(domain, instance, &spi_cfg);
appLogPrintf("spi_open instance=%d,domain=%d spi_cfg.intNum=%d........\n",instance,domain,spi_cfg.intNum);
spi_cfg.enableIntr = true;
spi_cfg.edmaHandle = NULL;
spi_cfg.dmaMode = FALSE;
spi_cfg.chnCfg[0].dataLineCommMode = MCSPI_DATA_LINE_COMM_MODE_4;
SPI_socSetInitCfg(domain, instance, &spi_cfg);
SPI_Params_init(&spiParams);
spiParams.transferMode = SPI_MODE_BLOCKING;
spiParams.transferCallbackFxn = NULL;
spiParams.frameFormat=SPI_POL0_PHA1;
spiParams.transferTimeout = 0;
spiParams.mode = SPI_MASTER;
appLogPrintf("SPI_Params_init after........\n");
//memcpy(&spiParams,&SPI_defaultParams,sizeof(SPI_Params));
spi = SPI_open(domain, instance, &spiParams);
if (spi == NULL)
{
appLogPrintf("Error initializing SPI\n");
// goto Err;
}
else
{
appLogPrintf("SPI_%d initializing......\n",instance);
}
}
从LOG来看是进入SPI_open后没有出来,能否帮忙看看是不是代码上有什么问题导致的?
SDK版本:ti-processor-sdk-rtos-j721e-evm-08_05_00_11