uint16_t mic_read()
{
uint16_t level;
//level = ADC1_GetBufferValue(0x00);
level = ADC1_GetBufferValue(0x01);
return level;
}
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;
}
