C++ (Cpp) ADC_SINGLE_CONVERSION Beispiele

Beispiel #1

Datei: adc.c Projekt: combohehe/BootLoader

void adc_main(void){
#else
void main(void){
#endif
   JOYSTICK_DIRECTION joystickDirection = CENTRED;
   INT8 adc_value;
   UINT8 potVoltage = 0;
   BOOL updateLCD = TRUE;

   initAdc();

   while( !stopApplication() ){
      ADC_ENABLE_CHANNEL(7);
      ADC_SINGLE_CONVERSION(ADC_REF_AVDD | ADC_8_BIT | ADC_AIN7);
      ADC_SAMPLE_SINGLE();

      while(!ADC_SAMPLE_READY());

      ADC_DISABLE_CHANNEL(7);

      adc_value = ADCH;

      if (potVoltage != scaleValue(adc_value)){
         //potVoltage changed since last sample
         potVoltage = scaleValue(adc_value);
         updateLCD = TRUE;
      }

      if (joystickDirection != getJoystickDirection()){
         //joystickDirection change since last sample
         joystickDirection = getJoystickDirection();
         updateLCD = TRUE;
      }

      if (updateLCD){
         updateVoltageLCD(potVoltage, adc_value);
         updateJoystickDirectionLCD(joystickDirection);
         updateLCD = FALSE;
      }
      updateCounter(adc_value);
   }

   LED1 = LED3 = LED_OFF;
   return;
}

Beispiel #2

Datei: Temp.c Projekt: liuyd07/ZigbeeComm

INT8 GetTemperature(void){
  UINT8   i;
  UINT16  accValue;
  UINT16  value;

  accValue = 0;
  for( i = 0; i < 4; i++ )
  {
    ADC_SINGLE_CONVERSION(ADC_REF_1_25_V | ADC_14_BIT | ADC_TEMP_SENS);
    ADC_SAMPLE_SINGLE();
    while(!ADC_SAMPLE_READY());

    value =  ADCL >> 2;
    value |= (((UINT16)ADCH) << 6);

    accValue += value;
  }
  value = accValue >> 2; // divide by 4

  return ADC14_TO_CELSIUS(value);
}