| 1,57 → 1,35 |
|---|
| /* The processor calls these handlers when an interrupt is triggered */ |
| #include "maindefs.h" |
| #include <timers.h> |
| #include "defines.h" |
| #include "timers.h" |
| |
| void timers_init() { |
| /*--------------------Timer Delay Formulas-------------------- */ |
| /* InitTMR0 = 256 - ( Delay * Frequency ) / ( 4* Prescaler) */ |
| /* Delay = (256 - InitTMR0 * Prescaler) / (Frequency / 4) */ |
| /* ----------------------------------------------------------- */ |
| |
| void Timer1_Init(void) { |
| T1CONbits.TMR1CS = 0x2; // Clock source using T1OSC and T1CLK pins |
| T1CONbits.RD16 = 0x1; // Configure for 16-bit read/writes |
| T1CONbits.T1OSCEN = 0x1; // Enable crystal driver |
| PIE1bits.TMR1IE = 0x1; // Enable interrupt |
| |
| OpenTimer0(TIMER_INT_ON & T0_16BIT & T0_SOURCE_INT & T0_PS_1_16); |
| T0CONbits.TMR0ON = 0; // Timer 0 initially off |
| |
| // // Set timer 1 to overflow every two seconds |
| // OpenTimer1(TIMER_INT_ON & T1_16BIT_RW & |
| // T1_SOURCE_PINOSC & T1_PS_1_1 & |
| // T1_OSC1EN_ON & T1_SYNC_EXT_OFF, |
| // TIMER_GATE_OFF & TIMER_GATE_INT_OFF); |
| |
| // Open timer 2 for ECCP1 (PWM) |
| OpenTimer2(TIMER_INT_OFF & T2_PS_1_4 & T2_POST_1_1); |
| |
| // Open timer 3 for PWM IR signaling |
| OpenTimer3(TIMER_INT_ON & T3_16BIT_RW & T3_SOURCE_FOSC_4 & |
| T3_OSC1EN_OFF & T3_PS_1_1 & T3_SYNC_EXT_OFF, TIMER_GATE_OFF); |
| T3CONbits.TMR3ON = 0; // Timer 3 initially off |
| // Non-applicable settings |
| T1CONbits.T1CKPS = 0x0; // 1:1 prescale value |
| T1CONbits.NOT_T1SYNC = 0x1; // No external sync |
| T1GCONbits.TMR1GE = 0x0; // Disable gate control |
| } |
| |
| // Interrupt handler for timer 0 |
| void timer0_interrupt_handler() { |
| |
| void Timer1_Enable(void) { |
| T1CONbits.TMR1ON = 1; |
| } |
| |
| void timer0_enable() { |
| T0CONbits.TMR0ON = 1; |
| void Timer1_Disable(void) { |
| T1CONbits.TMR1ON = 0; |
| } |
| void timer0_disable() { |
| T0CONbits.TMR0ON = 0; |
| } |
| |
| // Interrupt handler for timer 1 |
| void timer1_interrupt_handler() { |
| |
| } |
| |
| void timer3_interrupt_handler() { |
| |
| } |
| |
| void timer3_enable() { |
| T3CONbits.TMR3ON = 1; |
| } |
| void timer3_disable() { |
| T3CONbits.TMR3ON = 0; |
| } |
| void Timer1_Interrupt_Handler(void) { |
| #ifdef _TEST_TIMER1_RTC |
| TMR1H = 0x7F; |
| TMR1L = 0xFF; |
| LED_BLUE_LAT = 1; |
| LED_RED_LAT = 1; |
| Delay10KTCYx(255); |
| LED_BLUE_LAT = 0; |
| LED_RED_LAT = 0; |
| #endif |
| } |