marco/inv-sw-linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Toggle PD6 instead of PC7 when timer compare interrupt occurs.

Browse Source 
Move timer interrupt routine to timer.c
Change timer parameters
This commit is contained in:
Marco 2022-05-13 01:24:38 +02:00
parent 510cba47b1
commit 3fd547f2ea
3 changed files with 15 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/commands.c
View File

@ -97,8 +97,8 @@ void cmd_handle_switch(void)
{
int state = 0;
PORTC ^= (1<<PC7);
PORTD ^= (1<<PD6);
state = PORTC & (1 << PC7);
state = PORTD & (1 << PD6);
printf("Pin state is %i\r\n", state);
}

10
src/inverter.c
View File

@ -11,9 +11,11 @@ int main()
/* With this MCU frequency, it is 38,4k baud */
uart_init(12);
printf("Starting up!\r\n");
/* Make PB2 an output pin */
DDRB |= (1 << DDB2);
DDRC |= (1 << DDC7);
DDRD |= (1 << DDD6);
initCtcTimer0();
@ -28,9 +30,3 @@ int main()
return 0;
}
ISR(TIMER0_COMPA_vect)
{
PORTB |= (1 << PB2);
}

13
src/timer.c
View File

@ -1,4 +1,6 @@
#include <avr/io.h>
#include <avr/interrupt.h>
#include "include/timer.h"
void initCtcTimer0(void)
@ -10,7 +12,7 @@ void initCtcTimer0(void)
TIMSK0 |= (1 << OCIE0A);
/* Select clock. Prescaler of 8 */
TCCR0B |= (1 << CS01);
TCCR0B |= (1 << CS02) | (1 << CS00);
/* Use CTC Mode */
TCCR0A |= (1 << WGM01);
@ -18,7 +20,7 @@ void initCtcTimer0(void)
/*
* OCR0A contains TOP value for counter:
*/
OCR0A = 25;
OCR0A = 100;
}
void initOverflowTimer0(void)
@ -34,4 +36,9 @@ void initOverflowTimer1(void)
{
TCCR1B |= (1<<CS11);
TIMSK1 |= (1<<TOIE1);
}
}
ISR(TIMER0_COMPA_vect)
{
PORTB |= (1 << PB2);
}