Moc sem tomu nedal , ale budu dělat něco na Atmegu8 nebo jinou megu.
/*
#include <avr/io.h>
#include <util/delay.h>
#include <avr/interrupt.h>
#define KEY1 (1<<PB2)
uint8_t key_lock;
uint8_t ReadADC(uint8_t channel);
uint8_t time = 20;
uint8_t sw_on = 0;
volatile uint16_t Timer2, Timer3; // software timers
int main(void){
CCP = 0xD8;
CLKPSR = 0x00; //preskaler = 1
DDRB |= (1<<PB0);
DDRB |= (1<<PB3);
//PORTB |= (1<<PB1);
PORTB |= KEY1; // VCC
// inicjalizace ADC
ADCSRA |= (1<<ADEN); // ON ADC
ADCSRA |= (1<<ADPS2)|(1<<ADPS1)|(1<<ADPS0); // preskaler = 128
//TIMSK0 |= (1<<ICIE0);
TIMSK0 |= (1<<TOIE0);
TCCR0A |= (1<<WGM01); // Fast PWM
TCCR0B |= (1<<WGM02) | (1<<WGM03); // Fast PWM
TCCR0B |= (1<<CS01); // Prescaler 8
TCCR0A |= (1<<COM0A1);// | (1<<COM0A0); // Clear OC0A
ICR0 = 9999;
OCR0A = 1500;
uint8_t menu = 0;
sei();
while(1){
if( !key_lock && !(PINB & KEY1 ) ) key_lock=1;
else if( key_lock && (PINB & KEY1 ) ) {
if( !++key_lock ) {
// reakce na PUSH_UP
menu++;
}
}
if(menu >= 4) menu = 0;
switch(menu){
case 0:
time = 10;
if( !Timer3 ) {
if (sw_on) OCR0A = 600;
else OCR0A = 2000;
Timer3 = 100;
sw_on ^= 1;
}
break;
case 1:
time = 20;
if( !Timer3 ){
OCR0A = 600 + 6 * ReadADC(0x0);
Timer3 = 10;
}
break;
case 2:
time = 30;
if( !Timer3 ) {
if (sw_on) OCR0A = 1300;
else OCR0A = 2000;
Timer3 = 100;
sw_on ^= 1;
}
break;
case 3:
time = 40;
if( !Timer3 ) {
if (sw_on) OCR0A = 1300;
else OCR0A = 600;
Timer3 = 100;
sw_on ^= 1;
}
break;
}
// led blink
if( !Timer2 ) {
PORTB ^= (1<<PB3);
Timer2 = time;
}
}
}
//------------- soft timers -----------------------
ISR(TIM0_OVF_vect){
uint16_t n;
n = Timer2;
if (n) Timer2 = --n;
n = Timer3;
if (n) Timer3 = --n;
}
uint8_t ReadADC(uint8_t channel) {
ADMUX = channel;
ADCSRA |= (1<<ADSC);
while( ADCSRA & (1<<ADSC) );
return ADCL;
}
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. K tomu starý displej a pár součástek a je to. Výhodou je, že i na hotovém servotesteru budu moci přidávat různé funkce (pokud se mi do toho bude chtít).
