diff options
| author | Niklas Mischkulnig <niklas@mischkulnig.de> | 2016-08-27 11:48:04 +0200 |
|---|---|---|
| committer | Niklas Mischkulnig <niklas@mischkulnig.de> | 2016-08-27 11:48:04 +0200 |
| commit | 1a280c0d5b66fecd0ef719ed7e31ad685522c2f5 (patch) | |
| tree | 587a0671e9a90d7d8b9d2c6c2511c0cc2e7f4093 /cores/arduino | |
| parent | 04713212a845d690de6d8c85724337a422c76dde (diff) | |
Add all analog references supported by the ATtinyX5 series
Diffstat (limited to 'cores/arduino')
| -rw-r--r-- | cores/arduino/Arduino.h | 16 | ||||
| -rw-r--r-- | cores/arduino/wiring_analog.c | 2 |
2 files changed, 13 insertions, 5 deletions
diff --git a/cores/arduino/Arduino.h b/cores/arduino/Arduino.h index f1da68d..e71c9c3 100644 --- a/cores/arduino/Arduino.h +++ b/cores/arduino/Arduino.h @@ -61,10 +61,18 @@ void yield(void); #define FALLING 2 #define RISING 3 -#if defined(__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__) -#define DEFAULT 0 -#define EXTERNAL 1 -#define INTERNAL 2 +#if defined(__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) + #define DEFAULT 0 + #define EXTERNAL 1 + #define INTERNAL1V1 2 + #define INTERNAL INTERNAL1V1 +#elif defined(__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__) + #define DEFAULT 0 + #define EXTERNAL 1 + #define INTERNAL1V1 2 + #define INTERNAL INTERNAL1V1 + #define INTERNAL2V56 6 + #define INTERNAL2V56_EXTCAP 7 #else #if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega644__) || defined(__AVR_ATmega644A__) || defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644PA__) #define INTERNAL1V1 2 diff --git a/cores/arduino/wiring_analog.c b/cores/arduino/wiring_analog.c index 1a4701a..c545e6d 100644 --- a/cores/arduino/wiring_analog.c +++ b/cores/arduino/wiring_analog.c @@ -64,7 +64,7 @@ int analogRead(uint8_t pin) // channel (low 4 bits). this also sets ADLAR (left-adjust result) // to 0 (the default). #if defined(ADMUX) - ADMUX = (analog_reference << 6) | (pin & 0x07); + ADMUX = ((analog_reference & 0x3) << 6) | ((analog_reference & 0x4) ? 0x10 : 0) | (pin & 0x07); #endif // without a delay, we seem to read from the wrong channel |