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testpwmcode

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This commit is contained in:
john stone 2012-07-18 02:34:15 +02:00
parent cee78f4187
commit bbd624a60b
1 changed files with 37 additions and 7 deletions
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46
firmware/main.c
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@ -6,6 +6,24 @@
#include "main.h" #include "main.h"
void init_pwm(void){
// TCCR1A xx01xx10
TCCR1A &= ~0b00100001;
TCCR1A |= 0b00000010;
// TCCR1B xxx11001
TCCR1B &= ~0b00000110;
TCCR1B |= 0b00011001;
//PB1 set to output:
DDRB |= 0b10;
}
int main (void) int main (void)
{ {
@ -22,17 +40,29 @@ int main (void)
//reduce power //reduce power
PRR |= (1<<PRTWI)|(1<<PRTIM2)|(1<<PRSPI)|(1<<PRUSART0); PRR |= (1<<PRTWI)|(1<<PRTIM2)|(1<<PRSPI)|(1<<PRUSART0);
PORTB |= (1 << PORTB1); /*PORTB |= (1 << PORTB1);*/
PORTD = 0; PORTD = 0;
init_pwm();
while(1)
{
_delay_ms(500);
PORTC ^= (1<<PORTC0)|(1<<PORTC2);
PORTB ^= (1<<PORTB1);
PORTD ^= (1<< PORTD6);
} /*while(1)*/
/*{*/
/*_delay_ms(500);*/
/*PORTC ^= (1<<PORTC0)|(1<<PORTC2);*/
/*PORTB ^= (1<<PORTB1);*/
/*PORTD ^= (1<< PORTD6);*/
/*}*/
for(;;){
OCR1BH = 0;
OCR1BL = 0;
_delay_ms(1);
OCR1BH = 0xff;
OCR1BL = 0xff;
_delay_ms(1);
}
} }