163 lines
3.4 KiB
C
163 lines
3.4 KiB
C
#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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#define PATTERN_COUNT 4
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#define attiny45
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typedef struct
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{
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unsigned char r;
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unsigned char g;
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unsigned char b;
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int time_hold;
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}rgbval;
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volatile uint16_t ms;
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volatile int counts;
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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>=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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{
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ms++;
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}
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else
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{
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ms=0;
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}
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}
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}
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ISR(TIMER0_OVF_vect)
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{
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count();
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}
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int main (void) { // (2)
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rgbval pattern[6][PATTERN_COUNT]={ {{0,0,0,10}, {0,0,0,10}, {0,0,0,10}, {0,0,0,10}},
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{{1,1,1,10}, {1,1,153,20}, {200,50,39,10}, {204,255,153,20}},
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{{1,1,1,10}, {10,255,0,10}, {1,1,255,20}, {1,200,1,20}},
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{{1,1,5,10}, {1,1,255,10}, {1,1,5,10}, {1,1,255,10}},
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{{252,102,3,10}, {161,67,47,10}, {118,120,74,10}, {83,120,74,20}},
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{{87,119,122,10}, {95,87,122,10}, {52, 69, 56,10}, {83, 84, 72,10}}};
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//rgbval *pattern=pattern1[0];
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int i=0,i2=0,i3;
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int r,g,b = 0;
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int set=0;
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int input=0;
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uint16_t pre_delay=0;
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ms =0;
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counts = 0;
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//disable prescaler
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CLKPR = (1<<CLKPR);
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CLKPR = 0x00;
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//#######OC0A auf ausgang
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DDRB = (1 << PB0 )|(1<<PB1)|(1<<PB4);
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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<<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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TCCR1 = (1<<COM1A0)|(1<<COM1A1)|(1<<CTC1)|(1<<CS12)|(1<<CS10);//|(1<<CS11)|(1<<CS13); //frequencyi //iinverting PWM because 0 dtc not possible
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GTCCR = (1<<PWM1B)|(1<<COM1B0); //mode + overrun clear, Set on compare match
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OCR1C = 255; // clear timer at 255
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//######PWM_VALUE$
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//timer 0
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OCR0A = 1;
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OCR0B = 1;
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//timer 1
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OCR1B = 1;
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//######Configure Pullups
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PORTB |= (1<<PB2);
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//enable global interrupts
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//Interupts
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TIMSK |= (1<<TOIE0);//interrupt on overflow = one timer cycle
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TIFR |= (1<<TOV0);
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TCNT0 = 0;
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sei();
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while(1)
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{
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for(i=1;i<PATTERN_COUNT;i++)
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{
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r = pattern[i2][i].r;
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g = pattern[i2][i].g;
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b = pattern[i2][i].b;
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if(i==(PATTERN_COUNT-1)) {i= -1;}
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//reset timer counter
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while(1)
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{
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//input handling
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input=PINB;
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if(((input & (1<<PB2)) == 0 && set==0))
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{
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set=1;
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i=0;
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i2++;
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if(i2==6)
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{
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i2=0;
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}
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//cycle through and stop pwm at value 0
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//Visual feedback "mode change"
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for(i3=0;i3<i2;i3++)
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{
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OCR0A=1;OCR0B=1;OCR1B=1;
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_delay_ms(30);
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OCR0A=255;OCR0B=255;OCR1B=255;
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_delay_ms(30);
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}
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}
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else if(((input & (1<<PB2)) != 0))
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{
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set=0;
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}
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//Pattern handling
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if(r < pattern[i2][i+1].r) {r++;}
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if(r > pattern[i2][i+1].r) {r--;}
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if(g < pattern[i2][i+1].g) {g++;}
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if(g > pattern[i2][i+1].g) {g--;}
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if(b < pattern[i2][i+1].b) {b++;}
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if(b > pattern[i2][i+1].b) {b--;}
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OCR0A = g;//green
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OCR0B = r;//red
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OCR1B = b;//blue
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// :wq
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// _delay_ms(10);
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pre_delay = ms;
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// :wq
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while((ms-pre_delay) < pattern[i2][i+1].time_hold){};
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if(r == pattern[i2][i+1].r && g == pattern[i2][i+1].g && b == pattern[i2][i+1].b) break;
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}
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}
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}
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return 0;
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}
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