diff options
| author | Christian Pointner <equinox@spreadspace.org> | 2014-05-19 00:19:16 +0200 |
|---|---|---|
| committer | Christian Pointner <equinox@spreadspace.org> | 2014-05-19 00:19:16 +0200 |
| commit | ab8daffc4114f0ba415f6ea026b2bf08ef01a642 (patch) | |
| tree | 415133aa494c2044fe37f3baa19e8d4a6568f57c /tube-rotator | |
| parent | higher stepper speed (diff) | |
decrease prescaler
Diffstat (limited to 'tube-rotator')
| -rw-r--r-- | tube-rotator/stepper.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/tube-rotator/stepper.c b/tube-rotator/stepper.c index ff68072..6b2a4ef 100644 --- a/tube-rotator/stepper.c +++ b/tube-rotator/stepper.c @@ -56,15 +56,16 @@ void stepper_init(void) { STEPPER_PORT &= ~(0xF << STEPPER_FIRST_BIT | 1<<STEPPER_ENABLE_A_BIT | 1<<STEPPER_ENABLE_B_BIT); STEPPER_DDR |= (0xF << STEPPER_FIRST_BIT) | (1<<STEPPER_ENABLE_A_BIT) | (1<<STEPPER_ENABLE_B_BIT); + stepper_stop(); } void stepper_start(void) { STEPPER_PORT |= (1<<STEPPER_ENABLE_A_BIT) | (1<<STEPPER_ENABLE_B_BIT); - TCCR1A = 0; // prescaler 1:256, WGM = 4 (CTC) - TCCR1B = 1<<WGM12 | 1<<CS12; // - OCR1A = 20; TCNT1 = 0; + OCR1A = 80; + TCCR1A = 0; // prescaler 1:64, WGM = 4 (CTC) + TCCR1B = 1<<WGM12 | 1<<CS11 | 1<<CS10; // TIMSK1 = 1<<OCIE1A; } |