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reread datasheet.. this time awake

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This commit is contained in:
john stone 2012-07-18 16:12:48 +02:00
parent 9039623099
commit 31c89dfd9a
1 changed files with 10 additions and 10 deletions
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20
firmware/main.c
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@ -8,17 +8,15 @@
static inline void init_pwm(void) static inline void init_pwm(void)
{ {
// TCCR1A xx01xx10
TCCR1A &= ~0b00100001;
TCCR1A |= 0b00000010;
// TCCR1B xxx11001
TCCR1B &= ~0b00000110;
TCCR1B |= 0b00011001;
//PB1 set to output: //PB1 set to output:
DDRB |= 0b10; DDRB |= 0b10;
return; OCR1B = 0xefff; //preselect some default
ICR1 = 0xffff; // TOP-wert
TCCR1A = (1<<COM1B1) | (1<<WGM11); // only b-chan , fastpwm (mode 14)
TCCR1B = (1<<WGM13)|(1<<WGM12) | (1<<CS10); //Fastpwm, no prescale
return
} }
static void init_leds(void) static void init_leds(void)
@ -54,16 +52,18 @@ static void stupid_pwmtest(void)
OCR1BL = 0xff; OCR1BL = 0xff;
_delay_ms(1); _delay_ms(1);
} }
return; //never
} }
int main(void) int main(void)
{ {
//hardware initialisation:
init_leds(); init_leds();
init_motor(); init_motor();
init_pwm(); init_pwm();
//just stupid test for now....
stupid_pwmtest(); stupid_pwmtest();
//never get here //never get here