160 lines
2.7 KiB
C
160 lines
2.7 KiB
C
|
#ifndef TIMER1_H
|
||
|
|
#define TIMER1_H
|
||
|
|
|
||
|
|
#include <avr/io.h>
|
||
|
|
#include "mystd.h"
|
||
|
|
|
||
|
|
#include "timer_global.h"
|
||
|
|
|
||
|
|
static inline void t1_init_fpwm_14(e_timer_prescaler prescaler) {
|
||
|
|
// Fast PWM (8-bit): WGM22:0 = 0b011
|
||
|
|
TCCR1A = BV(WGM11);
|
||
|
|
TCCR1B = BV(WGM12) | BV(WGM13);
|
||
|
|
|
||
|
|
// set the correct prescaler
|
||
|
|
switch (prescaler) {
|
||
|
|
case (PRESCALER_1): {
|
||
|
|
TCCR1B |= (BV(CS10));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case (PRESCALER_8): {
|
||
|
|
TCCR1B |= (BV(CS11));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case (PRESCALER_64): {
|
||
|
|
TCCR1B |= (BV(CS11) | BV(CS10));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case (PRESCALER_256): {
|
||
|
|
TCCR1B |= (BV(CS12));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case (PRESCALER_1024): {
|
||
|
|
TCCR1B |= (BV(CS12) | BV(CS10));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case (PRESCALER_OFF): {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void t1_init_ctc_4(e_timer_prescaler prescaler) {
|
||
|
|
// CTC mode 4
|
||
|
|
TCCR1A = 0;
|
||
|
|
TCCR1B = BV(WGM12);
|
||
|
|
|
||
|
|
// set the correct prescaler
|
||
|
|
switch (prescaler) {
|
||
|
|
case (PRESCALER_1): {
|
||
|
|
TCCR1B |= (BV(CS10));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case (PRESCALER_8): {
|
||
|
|
TCCR1B |= (BV(CS11));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case (PRESCALER_64): {
|
||
|
|
TCCR1B |= (BV(CS11) | BV(CS10));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case (PRESCALER_256): {
|
||
|
|
TCCR1B |= (BV(CS12));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case (PRESCALER_1024): {
|
||
|
|
TCCR1B |= (BV(CS12) | BV(CS10));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case (PRESCALER_OFF): {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void t1_set_counter(uint16_t val) {
|
||
|
|
TCNT1 = val;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void t1_set_icr1(uint16_t value) {
|
||
|
|
ICR1 = value;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void t1_overflow_interrupt(bool enable) {
|
||
|
|
if (enable)
|
||
|
|
TIMSK1 |= BV(TOIE1);
|
||
|
|
else
|
||
|
|
TIMSK1 &= ~BV(TOIE1);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void t1_interrupt(enum e_timer_output output, bool enable) {
|
||
|
|
if (output & TO_A) {
|
||
|
|
if (enable)
|
||
|
|
TIMSK1 |= BV(OCIE1A);
|
||
|
|
else
|
||
|
|
TIMSK1 &= ~BV(OCIE1A);
|
||
|
|
}
|
||
|
|
if (output & TO_B) {
|
||
|
|
if (enable)
|
||
|
|
TIMSK1 |= BV(OCIE1B);
|
||
|
|
else
|
||
|
|
TIMSK1 &= ~BV(OCIE1B);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void t1_set_ocr(enum e_timer_output output, uint16_t value) {
|
||
|
|
if (output & TO_A)
|
||
|
|
OCR1A = value;
|
||
|
|
if (output & TO_B)
|
||
|
|
OCR1B = value;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void t1_set_out_mode(enum e_timer_output output, enum e_timer_output_mode mode) {
|
||
|
|
if (output & TO_A) {
|
||
|
|
TCCR1A &= ~(BV(COM1A1) | BV(COM1A0));
|
||
|
|
switch (mode) {
|
||
|
|
case (TOM_00): {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case (TOM_10): {
|
||
|
|
TCCR1A |= (BV(COM1A1));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case (TOM_01): {
|
||
|
|
TCCR1A |= (BV(COM1A0));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case (TOM_11): {
|
||
|
|
TCCR1A |= (BV(COM1A1) | BV(COM1A0));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (output & TO_B) {
|
||
|
|
TCCR1A &= ~(BV(COM1B1) | BV(COM1B0));
|
||
|
|
switch (mode) {
|
||
|
|
case (TOM_00): {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case (TOM_10): {
|
||
|
|
TCCR1A |= (BV(COM1B1));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case (TOM_01): {
|
||
|
|
TCCR1A |= (BV(COM1B0));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case (TOM_11): {
|
||
|
|
TCCR1A |= (BV(COM1B1) | BV(COM1B0));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// OC2B => RED => PD3
|
||
|
|
// OC0B => GREEN => PD5
|
||
|
|
// OC0A => BLUE => PD6
|
||
|
|
|
||
|
|
#endif /* TIMER1_H */
|