如上代码为何不行呢？

2万 · 2015-8-15 18:28

void main(void)
{
      M8C_EnableGInt;
      M8C_ClearWDTAndSleep;

      SPIS_Start(SPIS_SPI_MODE_0|SPIS_SPI_MSB_FIRST);
      SPIS_SetupTxData(bInitSpiWriteBuffer[bCnt++]);
      SPIS_EnableInt();

      while(1)
      {
            M8C_ClearWDTAndSleep;
      }
}

//-----------------------------------------------------------
//SPI interrupt_handler
//-----------------------------------------------------------
#pragma interrupt_handler MySPI_ISR
void MySPI_ISR(void)
{
      SPIS_SetupTxData(bInitSpiWriteBuffer[bCnt++]);
}