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#include <xc.h>
#include "main.h"
#include "TIMER.h"
void (*timer_1_callback)(void);
void (*timer_2_callback)(void);
void TIMER_1_Init(void (*callback)(void)) {
timer_1_callback = callback;
T1CONbits.TMR1CS = 2; // Clock source is ext oscillator
T1CONbits.T1CKPS = 0; // Prescale of 1:1
T1CONbits.T1OSCEN = 1; // Dedicated oscillator circuit enabled
T1CONbits.nT1SYNC = 1; // Async external clock input
T1CONbits.TMR1ON = 0; // Timer stopped
T1GCONbits.TMR1GE = 0; // Gate disabled
TMR1 = 0x8000;
PIE1bits.TMR1IE = 1; // Timer 1 overflow interrupt
}
void TIMER_1_Start(void) {
T1CONbits.TMR1ON = 1; // Start timer
}
void TIMER_1_Stop(void) {
T1CONbits.TMR1ON = 0; // Stop timer
}
void TIMER_1_Interrupt_Handler(void) {
timer_1_callback();
TMR1 = 0x8000;
}
void TIMER_2_Init(void (*callback)(void)) {
timer_2_callback = callback;
T2CONbits.T2OUTPS = 0; // 1:1 Postscaler
T2CONbits.TMR2ON = 0; // Timer stopped
T2CONbits.T2CKPS = 0; // 1:1 Perscaler
PIE1bits.TMR2IE = 1; // Timer 2 overflow interrupt
}
void TIMER_2_Start(void) {
T2CONbits.TMR2ON = 1; // Start timer
}
void TIMER_2_Stop(void) {
T2CONbits.TMR2ON = 0; // Stop timer
}
void TIMER_2_Interrupt_Handler(void) {
timer_2_callback();
}