diff options
Diffstat (limited to 'cores/arduino/wiring_analog.c')
| -rw-r--r-- | cores/arduino/wiring_analog.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/cores/arduino/wiring_analog.c b/cores/arduino/wiring_analog.c index 902b153..0e9881f 100644 --- a/cores/arduino/wiring_analog.c +++ b/cores/arduino/wiring_analog.c @@ -45,6 +45,8 @@ int analogRead(uint8_t pin) if (pin >= 54) pin -= 54; // allow for channel or pin numbers #elif defined(__AVR_ATmega32U4__) if (pin >= 18) pin -= 18; // allow for channel or pin numbers +#elif defined(__AVR_ATmega1284__) + if (pin >= 24) pin -= 24; // allow for channel or pin numbers #else if (pin >= 14) pin -= 14; // allow for channel or pin numbers #endif @@ -204,14 +206,17 @@ void analogWrite(uint8_t pin, int val) break; #endif - #if defined(TCCR4A) && defined(COM4A1) + #if defined(TCCR4A) case TIMER4A: - // connect pwm to pin on timer 4, channel A + //connect pwm to pin on timer 4, channel A sbi(TCCR4A, COM4A1); - OCR4A = val; // set pwm duty + #if defined(COM4A0) // only used on 32U4 + cbi(TCCR4A, COM4A0); + #endif + OCR4A = val; // set pwm duty break; #endif - + #if defined(TCCR4A) && defined(COM4B1) case TIMER4B: // connect pwm to pin on timer 4, channel B @@ -228,14 +233,18 @@ void analogWrite(uint8_t pin, int val) break; #endif - #if defined(TCCR4A) && defined(COM4D1) - case TIMER4D: + #if defined(TCCR4C) && defined(COM4D1) + case TIMER4D: // connect pwm to pin on timer 4, channel D - sbi(TCCR4A, COM4D1); - OCR4D = val; // set pwm duty + sbi(TCCR4C, COM4D1); + #if defined(COM4D0) // only used on 32U4 + cbi(TCCR4C, COM4D0); + #endif + OCR4D = val; // set pwm duty break; #endif + #if defined(TCCR5A) && defined(COM5A1) case TIMER5A: // connect pwm to pin on timer 5, channel A @@ -270,3 +279,4 @@ void analogWrite(uint8_t pin, int val) } } } + |