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M2560 board : adc_drive MUX5 correction

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This commit is contained in:
JivaroFAD 2015-05-03 09:45:20 +02:00
parent 3db6191284
commit 2d6933d5ec
1 changed files with 3 additions and 2 deletions
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5
radio/src/targets/common_avr/adc_driver.cpp
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@ -49,9 +49,10 @@ void adcInit()
void adcPrepareBandgap()
{
#if defined(CPUM2560) && !defined(PCBMEGA2560)
ADCSRB &= ~(1<<MUX5); // For PCB V4, use our own 1.2V, external reference (connected to ADC3)
#endif
#if defined(CPUM2560)
// For PCB V4, use our own 1.2V, external reference (connected to ADC3)
ADCSRB &= ~(1<<MUX5);
ADMUX = 0x03|ADC_VREF_TYPE; // Switch MUX to internal reference
#else
ADMUX = 0x1E|ADC_VREF_TYPE; // Switch MUX to internal reference