ну да.Kalisnik писал(а):может быть, что это неисправность МК?
Код: Выделить всё
TCCR1A=(1<<COM1A1) | (0<<COM1A0) | (0<<COM1B1) | (0<<COM1B0) | (0<<WGM11) | (0<<WGM10);
TCCR1B=(0<<ICNC1) | (0<<ICES1) | (1<<WGM13) | (0<<WGM12) | (0<<CS12) | (1<<CS11) | (1<<CS10);Код: Выделить всё
ACSR=(1<<ACD) | (0<<ACBG) | (0<<ACO) | (0<<ACI) | (0<<ACIE) | (0<<ACIC) | (0<<ACIS1) | (0<<ACIS0);Код: Выделить всё
ISR(ADC_INT){
if(ICR1 < 257){
ICR1 = 257;
}
if(ADCH == 0){
ADCH = 1;
}
if(ADMUX == 0x23){
OCR1A = (ICR1 / 255) * ADCH;
}else if(ADMUX == 0x22){
acp_ocr1a_old = (float)ICR1 / OCR1A;
ICR1 = (65535 / 255) * ADCH;
OCR1A = ICR1 / acp_ocr1a_old;
}
ADMUX ^= (1<<MUX0);
}Код: Выделить всё
while (1)
{
// Place your code here
if(ADCSRA < 192){
ADCSRA |= (1<<ADSC);
};
}
Код: Выделить всё
#include <inttypes.h>
#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>
// ADC interrupt service routine
ISR(ADC_vect)
{
static uint8_t period, pulsewidth;
if(ADMUX & (1<<MUX0)){
pulsewidth = ADCH; //get ch 1
ADMUX = (0<<REFS1)|(1<<REFS0)|(1<<ADLAR)| (0<<MUX0); //set ch 0
}else{
period = ADCH; //get ch 0
ADMUX = (0<<REFS1)|(1<<REFS0)|(1<<ADLAR) | (1<<MUX0); //set ch 1
}
ICR1 = (uint16_t) ((uint32_t) ((uint32_t)period * 0x10000)/256);
OCR1A = (uint16_t) ((uint32_t) ((uint32_t)pulsewidth * ICR1)/256);
_delay_us(10);
// Start the AD conversion
ADCSRA|=(1<<ADSC);
}
int main()
{
// Write your code here
// Input/Output Ports initialization
// Port B initialization
// Function: Bit1=Out
DDRB = (1<<DDB1);
// State: Bit1=0
PORTB = (0<<PORTB1);
// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: ...... kHz
// Mode: Ph. & fr. cor. PWM top=ICR1
// OC1A output: Non-Inverted PWM
// OC1B output: Disconnected
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer Period: 0 us
// Output Pulse(s):
// OC1A Period: 0 us
// Timer1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=(1<<COM1A1) | (0<<COM1A0) | (0<<COM1B1) | (0<<COM1B0) | (0<<WGM11) | (0<<WGM10);
TCCR1B=(0<<ICNC1) | (0<<ICES1) | (1<<WGM13) | (0<<WGM12) | (0<<CS12) | (0<<CS11) | (1<<CS10);
TCNT1=0x00;
ICR1=0x00;
OCR1A=0x00;
OCR1B=0x00;
// Analog Comparator: Off
ACSR=(1<<ACD) | (0<<ACBG) | (0<<ACO) | (0<<ACI) | (0<<ACIE) | (0<<ACIC) | (0<<ACIS1) | (0<<ACIS0);
// ADC initialization
// ADC Clock frequency: ..... kHz
// ADC Voltage Reference: AVCC pin
// Only the 8 most significant bits of
// the AD conversion result are used
ADMUX = (0<<REFS1) | (1<<REFS0) | (1<<ADLAR);
ADCSRA=(1<<ADEN) | (0<<ADSC) | (0<<ADFR) | (0<<ADIF) | (1<<ADIE) | (1<<ADPS2) | (1<<ADPS1) | (1<<ADPS0);
SFIOR=(0<<ACME);
ADCSRA |= (1<<ADSC); // Start the AD conversion
sei();
while (1)
;
return 0;
}Код: Выделить всё
ICR1 = (uint16_t) ((uint32_t) ((uint32_t)period * 0x10000)/256);на каких режимах, что за режимы ШИМ?Kalisnik писал(а):на всех режимах
Код: Выделить всё
period = 125; // 1 - 254
pulsewidth = 125; // 1 - 254
ICR1 = (uint16_t) ((uint32_t) ((uint32_t)period * 0x10000)/256);
OCR1A = (uint16_t) ((uint32_t) ((uint32_t)pulsewidth * ICR1)/256);