外部中断里调用AFE4900_Reg_Read程序无法正常运行。在准循环里面调用没有问题。
static uint32_t AFE4900_Reg_Read( unsigned char mRegAddr )
{
uint32_t masterStatus;
uint32_t timeOut = 1000UL;
union VarU32 uAFE4900;
txBuffer[0] = mRegAddr;
txBuffer[1] = 0;
txBuffer[2] = 0;
txBuffer[3] = 0;
/*Write packet to read status */
Cy_SCB_SPI_WriteArrayBlocking(mSPI_HW, txBuffer, 4 );
do
{
masterStatus = Cy_SCB_SPI_GetSlaveMasterStatus(mSPI_HW);
//Cy_SysLib_Delay(CY_SCB_WAIT_1_UNIT);
timeOut--;
}while ( (masterStatus != (CY_SCB_SPI_MASTER_DONE)) && (timeOut > 0UL) );
/* If masterStatus is CY_SCB_SPI_MASTER_DONE check number of bytes in Rx FIFO and set the status. */
if(masterStatus == CY_SCB_SPI_MASTER_DONE)
{
if( 4 == Cy_SCB_SPI_GetNumInRxFifo(mSPI_HW) )
{
Cy_SCB_SPI_ReadArray( mSPI_HW, rxBuffer, 4 );
uAFE4900.mU8[3] = 0;
uAFE4900.mU8[2] = rxBuffer[1];
uAFE4900.mU8[1] = rxBuffer[2];
uAFE4900.mU8[0] = rxBuffer[3];
}
}
else
{
handle_error();
}
/* CLear Master status and Tx FIFO status. */
Cy_SCB_SPI_ClearSlaveMasterStatus(mSPI_HW, Cy_SCB_SPI_GetSlaveMasterStatus(mSPI_HW));
Cy_SCB_SPI_ClearTxFifoStatus(mSPI_HW, CY_SCB_SPI_TX_INTR_MASK );
Cy_SCB_SPI_ClearTxFifo(mSPI_HW);
/* Clear Rx FIFO status. */
Cy_SCB_SPI_ClearRxFifoStatus(mSPI_HW, CY_SCB_SPI_RX_INTR_MASK);
Cy_SCB_SPI_ClearRxFifo(mSPI_HW);
return uAFE4900.mU32;
}
void Isr_switch(void)
{
union VarU32 uData;
/* Clears the triggered pin interrupt */
Cy_GPIO_ClearInterrupt( KIT_BTN1_PORT, KIT_BTN1_NUM );
NVIC_ClearPendingIRQ( SysInt_Switch_cfg.intrSrc );
/* Toggle the LED */
Cy_GPIO_Inv( GPIO_PRT13, 7u );
sSys.uIR = AFE4900_Reg_Read( 42 );
//sSys.uAmbinet = AFE4900_Reg_Read( 42 );
//sSys.uRed = AFE4900_Reg_Read( 44 );
sSys.uIR = samptrans( sSys.uIR );
sSys.uAmbinet = samptrans( sSys.uAmbinet );
sSys.uRed = samptrans( sSys.uRed );
Queue_Push( sMsg8.pFile, 0x55 );
Queue_Push( sMsg8.pFile, 0xAA );
//Queue_Push( sMsg8.pFile, CountData++ );
//uData.mU32 = sSys.uIR;
//Queue_Push( sMsg8.pFile, uData.mU8[2] );
//Queue_Push( sMsg8.pFile, uData.mU8[1] );
//Queue_Push( sMsg8.pFile, uData.mU8[0] );
//Queue_Push( sMsg8.pFile, uData.mU8[3] );
//uData.mU32 = sSys.uAmbinet;
//Queue_Push( sMsg8.pFile, uData.mU8[2] );
//Queue_Push( sMsg8.pFile, uData.mU8[1] );
//Queue_Push( sMsg8.pFile, uData.mU8[0] );
//Queue_Push( sMsg8.pFile, uData.mU8[3] );
//uData.mU32 = sSys.uRed;
//Queue_Push( sMsg8.pFile, uData.mU8[2] );
//Queue_Push( sMsg8.pFile, uData.mU8[1] );
//Queue_Push( sMsg8.pFile, uData.mU8[0] );
//Queue_Push( sMsg8.pFile, uData.mU8[3] );
}
