Ejemplo n.º 1
0
uint16_t mic_read()
{
  uint16_t level;
  
  //level = ADC1_GetBufferValue(0x00);
  level = ADC1_GetBufferValue(0x01);
        
  return level;
}
Ejemplo n.º 2
0
INTERRUPT void ADC1_IRQHandler(void)
{
#endif
        //GPIO_WriteHigh(LED1_PORT, LED1_PIN);
	    ADC1_ClearITPendingBit(ADC1_IT_EOC);  //clear end of conversion flag, for one signal channel
        
        switch(adc_scan_times_flag){
            case 0:
                ADC_Results[0] = ADC1_GetBufferValue(0);
                ADC1->CSR &= (uint8_t)(~ADC1_CSR_CH); /* Clear the ADC1 channels */
                ADC1->CSR |= (uint8_t)(ADC1_CHANNEL_1);/* Select the ADC1 channel */
                ADC1_StartConversion();
                break;
            case 1:
                ADC_Results[1] = ADC1_GetBufferValue(1);
                ADC1->CSR &= (uint8_t)(~ADC1_CSR_CH); /* Clear the ADC1 channels */
                ADC1->CSR |= (uint8_t)(ADC1_CHANNEL_2);/* Select the ADC1 channel */
                ADC1_StartConversion();
                break;
            case 2:
                ADC_Results[2] = ADC1_GetBufferValue(2);
                ADC1->CSR &= (uint8_t)(~ADC1_CSR_CH); /* Clear the ADC1 channels */
                ADC1->CSR |= (uint8_t)(ADC1_CHANNEL_3);/* Select the ADC1 channel */
                ADC1_StartConversion();
                break;
            case 3:
                ADC_Results[3] = ADC1_GetBufferValue(3);
                ADC1->CSR &= (uint8_t)(~ADC1_CSR_CH); /* Clear the ADC1 channels */
                ADC1->CSR |= (uint8_t)(ADC1_CHANNEL_4);/* Select the ADC1 channel */
                ADC1_StartConversion();
                break;
            case 4:
                ADC_Results[4] = ADC1_GetBufferValue(4);
                ADC1->CSR &= (uint8_t)(~ADC1_CSR_CH); /* Clear the ADC1 channels */
                ADC1->CSR |= (uint8_t)(ADC1_CHANNEL_5);/* Select the ADC1 channel */
                ADC1_StartConversion();
                break;
            case 5:
                ADC_Results[0] = ADC1_GetBufferValue(0);
                ADC_Results[1] = ADC1_GetBufferValue(1);
                ADC_Results[2] = ADC1_GetBufferValue(2);
                ADC_Results[3] = ADC1_GetBufferValue(3);
                ADC_Results[4] = ADC1_GetBufferValue(4);
                ADC_Results[5] = ADC1_GetBufferValue(5);
                ADC1->CSR &= (uint8_t)(~ADC1_CSR_CH); /* Clear the ADC1 channels */
                ADC1->CSR |= (uint8_t)(ADC1_CHANNEL_12);/* Select the ADC1 channel */
                    
                ADC1->CR2 &= (uint8_t)(~ADC1_CR2_SCAN); //ADC1_ScanMode   DISABLE
                
                ADC1_StartConversion();                
                break;
            case 6:
                ADC_Results[6] = ADC1_GetConversionValue();
                ADC1->CSR &= (uint8_t)(~ADC1_CSR_CH); /* Clear the ADC1 channels */
                ADC1->CSR |= (uint8_t)(ADC1_CHANNEL_0);/* Select the ADC1 channel */
                
                ADC1->CR2 |= ADC1_CR2_SCAN; //ADC1_ScanMode   ENABLE
                adc_scan_times_flag = 0;
                
                (*Intupt_ADC_Finish_ptr_fuc)();
                break;
            default:
                break;
        }
        
        adc_scan_times_flag++;
    
//    if(adc_second_scan_flag == 0){
//        ADC_Results[0] = ADC1_GetBufferValue(0);
//        ADC_Results[1] = ADC1_GetBufferValue(1);
//        ADC_Results[2] = ADC1_GetBufferValue(2);
//        ADC_Results[3] = ADC1_GetBufferValue(3);
//	    //ADC1_ClearITPendingBit(ADC1_IT_EOC);  //clear end of conversion flag, for one signal channel
//        
//        adc_second_scan_flag = 1;
//        adc_AIN12_channel_init();
//        ADC1_StartConversion();
//        //(*Intupt_ADC_Finish_ptr_fuc)();
//    }else{
//        //adc_second_scan_flag = 0;
//        ADC_Results[4] = ADC1_GetConversionValue(); // for AIN12 values
//	    //ADC1_ClearITPendingBit(ADC1_IT_EOC);  //clear end of conversion flag, for one signal channel
//        //adc_4_channel_scan_init();
//        (*Intupt_ADC_Finish_ptr_fuc)();
//
//    }
  
        //GPIO_WriteLow(LED1_PORT, LED1_PIN);
	return;
}