| 2,12 → 2,11 |
|---|
| #include "main.h" |
| #include "TIMER.h" |
| |
| char timer_2_pwm = 0; |
| extern char LED_R_ON; |
| extern char LED_G_ON; |
| extern char LED_B_ON; |
| void (*timer_1_callback)(void); |
| void (*timer_2_callback)(void); |
| |
| void TIMER_1_Init(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 |
| 28,15 → 27,17 |
|---|
| } |
| |
| void TIMER_1_Interrupt_Handler(void) { |
| |
| timer_1_callback(); |
| TMR1 = 0x8000; |
| } |
| |
| void TIMER_2_Init(void) { |
| T2CONbits.T2OUTPS = 0; // 1:1 Postscaler |
| T2CONbits.TMR2ON = 0; // Timer stopped |
| T2CONbits.T2CKPS = 0; // 1:1 Perscaler |
| 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 |
| PIE1bits.TMR2IE = 1; // Timer 2 overflow interrupt |
| } |
| |
| void TIMER_2_Start(void) { |
| 48,22 → 49,5 |
|---|
| } |
| |
| void TIMER_2_Interrupt_Handler(void) { |
| // Here we manually 'PWM' the LEDs |
| // Note: this is terribly inefficient but we need to do this |
| // otherwise we will blow out the blue LED (max 10mA) |
| if (timer_2_pwm == 0) { |
| LED_R_LAT = (LED_R_ON) ? 0 : 1; |
| LED_G_LAT = (LED_G_ON) ? 0 : 1; |
| LED_B_LAT = (LED_B_ON) ? 0 : 1; |
| } |
| if (timer_2_pwm == LED_R_MAX_BRIGHTNESS) { |
| LED_R_LAT = 1; |
| } |
| if (timer_2_pwm == LED_G_MAX_BRIGHTNESS) { |
| LED_G_LAT = 1; |
| } |
| if (timer_2_pwm == LED_B_MAX_BRIGHTNESS) { |
| LED_B_LAT = 1; |
| } |
| timer_2_pwm++; |
| timer_2_callback(); |
| } |