回调函数例子

static DRVADC_ADC_CALLBACK *g_ptADCCallBack;

3.

void ADC_IRQHandler(void)
{
  if (g_ptADCCallBack)
    g_ptADCCallBack(g_pu32UserData);

  /* clear the A/D conversion flag */ 5.
  ADC->ICLR = ADC->MIS;
}

4.

void ADCCallback(uint32_t UserData)
{
  char result[20];
 
  if (TEMP != DrvADC_GetConversionData(1))
  {
    LCD_GotoXY(0, 40);
    TEMP = DrvADC_GetConversionData(1);
    sprintf(result, "CH1: 0x%3X (%4d)", TEMP, TEMP);
    LCD_PrintStr(result);
  }
}
1.

  DrvADC_EnableADCInt(ADCCallback, 0);

void DrvADC_EnableADCInt(DRVADC_ADC_CALLBACK Callback, uint32_t u32UserData)
{
  g_ptADCCallBack = Callback;
  g_pu32UserData = u32UserData;
  _DRVADC_CLEAR_ADC_INT_FLAG();
  ADC->IMSC = 0xFF;
  NVIC_SetPriority(ADC_IRQn, (1<<__NVIC_PRIO_BITS) - 2);
  NVIC_EnableIRQ(ADC_IRQn); 2.
}