/*******************************************************************************
* Function Name : ADC_IRQHandler
* Description : This function handles ADC global interrupt request.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void ADC_IRQHandler(void)
{
/* Disable ADC1 end of conversion interrupt */
ADC1_ITConfig(ADC1_FLAG_END_OF_CONVERSION, DISABLE);
if (ADC1_GetFlagStatus(ADC1_IT_END_OF_CONVERSION) == SET)
{
/* Read value of the ADC1_RUSULT register and clear (automatically)
* ADC1_IT_END_OF_CONVERSION flag */
ADC1_Value = ADC1_GetResult();
}
if (ADC1_GetFlagStatus(ADCx_FLAG_OVERWRITE) == SET)
{
ADC1_ClearOverwriteFlag();
}
}
// Convert to level: [0..100]
uint8_t als_read()
{
uint8_t level;
// Wait convert finished
while(ADC1_GetFlagStatus(ADC1_FLAG_EOC) == RESET);
// Get value
uint16_t adc_value = ADC1_GetConversionValue();
// Clear flag
ADC1_ClearFlag(ADC1_FLAG_EOC);
// Start next conversion
ADC1_StartConversion();
// [0..1023], reversed scale down to [100..0]
if( adc_value >= 1000 ) {
level = 0;
} else {
level = 100 - adc_value / 10;
}
return level;
}
/*******************************************************************************
* Function Name : ADC_IRQHandler
* Description : This function handles ADC global interrupt request.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void ADC_IRQHandler(void)
{
if(ADC1_GetFlagStatus(ADCx_IT_OUT_OF_RANGE) == SET) {
tmp = MDR_ADC->ADC1_RESULT & 0x0FFF;
if(tmp > H_Level){
/* Turns LED1 On */
Display_PutChar(1, 0);
Display_PutDigit(2, 1);
}
else{
Display_PutChar(1, MINUS);
Display_PutDigit(2, 1);
}
}
else{
Display_PutChar(0, 0);
Display_PutChar(1, 0);
Display_PutDigit(2, 0);
}
/* Clear ADC1 OUT_OF_RANGE interrupt bit */
MDR_ADC->ADC1_STATUS = (ADCx_IT_END_OF_CONVERSION | ADCx_IT_OUT_OF_RANGE)<<2;
}
