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| author | Cristian Maglie <c.maglie@bug.st> | 2012-05-23 09:22:52 +0200 |
|---|---|---|
| committer | Cristian Maglie <c.maglie@bug.st> | 2012-05-23 09:22:52 +0200 |
| commit | a3dbb49c078176fca1610f4a61b0d1b23e3f37c9 (patch) | |
| tree | 97c6f70b3f54da526db9acf93ed0b4ef24248b4e /cores/arduino/wiring.c | |
| parent | 3786e337e0211ca1ef94b37b03e891adfb3b5f9a (diff) | |
| parent | 810803c6d3ab33a4496a89f41ef7e1dda15e8680 (diff) | |
Merge of arduino-1.0.1. Work in progress...
Diffstat (limited to 'cores/arduino/wiring.c')
| -rw-r--r--[-rwxr-xr-x] | cores/arduino/wiring.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/cores/arduino/wiring.c b/cores/arduino/wiring.c index e7f7cde..ac8bb6f 100755..100644 --- a/cores/arduino/wiring.c +++ b/cores/arduino/wiring.c @@ -278,12 +278,21 @@ void init() sbi(TCCR3B, CS30); sbi(TCCR3A, WGM30); // put timer 3 in 8-bit phase correct pwm mode #endif - + +#if defined(TCCR4A) && defined(TCCR4B) && defined(TCCR4D) /* beginning of timer4 block for 32U4 and similar */ + sbi(TCCR4B, CS42); // set timer4 prescale factor to 64 + sbi(TCCR4B, CS41); + sbi(TCCR4B, CS40); + sbi(TCCR4D, WGM40); // put timer 4 in phase- and frequency-correct PWM mode + sbi(TCCR4A, PWM4A); // enable PWM mode for comparator OCR4A + sbi(TCCR4C, PWM4D); // enable PWM mode for comparator OCR4D +#else /* beginning of timer4 block for ATMEGA1280 and ATMEGA2560 */ #if defined(TCCR4B) && defined(CS41) && defined(WGM40) sbi(TCCR4B, CS41); // set timer 4 prescale factor to 64 sbi(TCCR4B, CS40); sbi(TCCR4A, WGM40); // put timer 4 in 8-bit phase correct pwm mode #endif +#endif /* end timer4 block for ATMEGA1280/2560 and similar */ #if defined(TCCR5B) && defined(CS51) && defined(WGM50) sbi(TCCR5B, CS51); // set timer 5 prescale factor to 64 |