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Changing analog read channel mask from 0x07 to 0x0f to allow for reading of the temperature and other extended channels.

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This commit is contained in:
David A. Mellis 2009-06-15 19:40:47 +00:00
parent e88592771e
commit 051d8f2e4f
1 changed files with 1 additions and 1 deletions
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hardware/cores/arduino/wiring_analog.c
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@ -42,7 +42,7 @@ int analogRead(uint8_t pin)
// set the analog reference (high two bits of ADMUX) and select the // set the analog reference (high two bits of ADMUX) and select the
// channel (low 4 bits). this also sets ADLAR (left-adjust result) // channel (low 4 bits). this also sets ADLAR (left-adjust result)
// to 0 (the default). // to 0 (the default).
ADMUX = (analog_reference << 6) | (pin & 0x07); ADMUX = (analog_reference << 6) | (pin & 0x0f);
#if defined(__AVR_ATmega1280__) #if defined(__AVR_ATmega1280__)
// the MUX5 bit of ADCSRB selects whether we're reading from channels // the MUX5 bit of ADCSRB selects whether we're reading from channels