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  1. #include <avr/io.h>
  2. #include <avr/interrupt.h>
  3. #include <avr/sleep.h>
  4. #include <util/delay.h>
  5.  
  6. static void setup_adc(void) {
  7.   ADMUX |= (1 << MUX1);
  8.   ADCSRA |= (1 << ADEN) | (1 << ADPS2) | (1 << ADPS1) | (1 << ADPS0);
  9. }
  10.  
  11. static int read_adc(void) {
  12.   ADCSRA |= (1 << ADSC);
  13.   while (!(ADCSRA & (1 << ADIF)));
  14.   ADCSRA &= ~(1 << ADIF);
  15.   return ADC;
  16. }
  17.  
  18. static void setup_pwm(void) {
  19.   PLLCSR |= (1 << PCKE);
  20.   _delay_us(100);
  21.   DDRB |= (1 << PB1);
  22.   OCR1C = 0xff;
  23.   TCCR1 |= (1 << PWM1A) | (1 << COM1A1) | (1 << CS10);
  24.   TIMSK |= (1 << TOIE1);
  25. }
  26.  
  27. int main(void) {
  28.   setup_adc()
  29.   setup_pwm();
  30.   for (;;) {
  31.   	int out = 0;
  32.   	out += read_adc();
  33.   	out += read_adc();
  34.   	out += read_adc();
  35.   	out += read_adc();
  36.   	out /= 16;
  37.   	OCR1A = out;
  38.   }
  39.  return 0;
  40. }
  41.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.c:1:20: fatal error: avr/io.h: No such file or directory
 #include <avr/io.h>
                    ^
compilation terminated.
stdout 
Standard output is empty
https://ideone.com/IdfZ4d
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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