ADS1299: ADS1299 启动开始转换后，发送strat或者strat引脚拉高程序不运行。 startADS( ) 函数 执行后，无法跳出，卡在Transfer_START()；里边

void startADS(void)
{

Transfer_START();
HAL_Delay(10);
Transfer_RDATAC( ); 
HAL_Delay(10);
HAL_Delay(100);
}

void Transfer_START(void)
{
SPI1_CS_0();
SPI1_ReadWriteByte(_START);
HAL_Delay(100);
SPI1_CS_1();

}

void Transfer_RDATAC(void)
{
SPI1_CS_0();
SPI1_ReadWriteByte(RDATAC); // read data continuous
SPI1_CS_1();
HAL_Delay(3);

}

uint8_t SPI1_ReadWriteByte(uint8_t TxData)
{
uint8_t Rxdata;
HAL_SPI_TransmitReceive(&hspi1,&TxData,&Rxdata,1, 1000);
return Rxdata; //·µ»ØÊÕµ½µÄÊý¾Ý
}