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opdracht 3.3 beter

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stijn
2021-02-24 10:55:26 +01:00
parent 4904c6afcb
commit 12029c15d3
3 changed files with 86 additions and 126 deletions
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23
Microcontrollers/opdracht 3.3/main.c
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@@ -5,7 +5,7 @@
* Author : Etienne
*/
#define F_CPU 8e6
#define F_CPU 10e6
#include <avr/io.h>
#include <util/delay.h>
#include <avr/interrupt.h>
@@ -23,26 +23,21 @@ void wait( int ms ) {
volatile int msCount = 0;
void timer2Init( void ) {
OCR2 = 155; // Compare value of counter 2
OCR2 = 150; //155 // Compare value of counter 2
TIMSK |= BIT(7); // T2 compare match interrupt enable
sei(); // turn_on intr all
TCCR2 = 0b00001011; // Initialize T2: timer, prescaler=32, compare output disconnected,CTC,RUN
TCCR2 = 0b00001101; // Initialize T2: timer, prescaler=32, compare output disconnected,CTC,RUN
}
unsigned int msThersh = 15;
ISR( TIMER2_COMP_vect ) {
msCount++; // Increment ms counter
if ( msCount >= msThersh ) {
// Toggle bit 0 van PORTC
PORTC ^= BIT(0);
msCount = 0;
if(msThersh == 15){
msThersh = 25;
PORTC ^= BIT(0);
if(OCR2 == 250){
OCR2 = 150;
} else {
msThersh = 15;
} // Reset ms_count value
}
OCR2 = 250;
}
}
int main( void ) {