diff options
Diffstat (limited to 'cores/arduino/wiring_analog.c')
| -rw-r--r-- | cores/arduino/wiring_analog.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/cores/arduino/wiring_analog.c b/cores/arduino/wiring_analog.c index a8bc817..0e9881f 100644 --- a/cores/arduino/wiring_analog.c +++ b/cores/arduino/wiring_analog.c @@ -206,14 +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 @@ -230,14 +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 @@ -272,3 +279,4 @@ void analogWrite(uint8_t pin, int val) } } } + |