changed frequencies, suspect running 8 times slower than thought
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6
main.c
6
main.c
@ -1,4 +1,4 @@
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#define F_CPU 8000000UL
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#define F_CPU 1000000UL
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#include <util/delay.h>
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#include <avr/io.h>
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#include <avr/interrupt.h>
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@ -22,7 +22,7 @@ void count(void)
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{
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//counts=0;//0..65535
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counts++;
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if(counts>=31)
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if(counts>=128) //1m //1ms
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{
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counts=0;
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if(ms<60000)//1 minute
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@ -68,7 +68,7 @@ int main (void) { // (2)
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cli();
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//#######Timer0-setup##### |Phase correct pwm
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TCCR0A = (1<<COM0A1)|(1<<COM0B1)|(1<<WGM00)|(1<<WGM01); //mode fast pwm (1/Fcpu)*prescaler*(max+1) =
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TCCR0B = (1<<CS00)|(1<<CS00); //frequency /256 = 31250Hz , 1 t0 period = 8.192ms 1 increment = 0.032ms strangly prescaler of 1 results in expected results as prescaler was 256
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TCCR0B = (1<<CS01)|(1<<CS01); //prescaler /64 gives 0...255 0.002048s = 2.0ms 1mhz-> /8
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// PLLCSR |= (1 << PLLE) | (1 << PCKE);
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//######Timer1-setup
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