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| author | Karel Kočí <cynerd@email.cz> | 2015-10-17 15:40:51 +0200 |
|---|---|---|
| committer | Karel Kočí <cynerd@email.cz> | 2015-10-17 15:40:51 +0200 |
| commit | b0d8f22f3492fbb3f6dc0e8026e63c803af59007 (patch) | |
| tree | eb9707612e87856962474885f2a18ae1621d214e /timer.h | |
| parent | 8fa9db4244f4ee33aa47561c569edfa62fe37928 (diff) | |
| download | avr-ioe-b0d8f22f3492fbb3f6dc0e8026e63c803af59007.tar.gz avr-ioe-b0d8f22f3492fbb3f6dc0e8026e63c803af59007.tar.bz2 avr-ioe-b0d8f22f3492fbb3f6dc0e8026e63c803af59007.zip | |
Complete commit of current work
Diffstat (limited to 'timer.h')
| -rw-r--r-- | timer.h | 147 |
1 files changed, 147 insertions, 0 deletions
@@ -0,0 +1,147 @@ +#include <avr/io.h> +#include <avr/interrupt.h> +#include <stdint.h> + +#include "mcu/mcu_def.h" + +#ifndef _IOE_TIMER_H_ +#define _IOE_TIMER_H_ +#ifdef CONFIG_IOE_TIMERS + +enum timerDivider { + TIMER_DIVIDER_1, + TIMER_DIVIDER_8, + TIMER_DIVIDER_64, + TIMER_DIVIDER_256, + TIMER_DIVIDER_1024 +}; + +static inline void timer_init(uint8_t timer, enum timerDivider div) { + switch (timer) { +#ifdef COUNTER0_PWM + case COUNTER0_PWM: + // Null counting register + TCNT0 = 0; + // Set interrupt flag + TIMSK0 = _BV(TOIE0); + // Set division and start counting + switch (div) { + case TIMER_DIVIDER_1: + TCCR0B = _BV(CS00); + break; + case TIMER_DIVIDER_8: + TCCR0B = _BV(CS01); + break; + case TIMER_DIVIDER_64: + TCCR0B = _BV(CS01) | _BV(CS00); + break; + case TIMER_DIVIDER_256: + TCCR0B = _BV(CS02); + break; + case TIMER_DIVIDER_1024: + TCCR0B = _BV(CS02) | _BV(CS01); + break; + default: + return; + } + break; +#endif /* COUNTER0_PWM */ +#ifdef COUNTER1_16PWM + case COUNTER1_16PWM: + break; +#endif /* COUNTER1_16PWM */ +#ifdef COUNTER2_PWM_ASYNC + case COUNTER2_PWM_ASYNC: + break; +#endif /* COUNTER2_PWM_ASYNC */ + } +} + +static inline void timer_disable(uint8_t timer) { + switch (timer) { +#ifdef COUNTER0_PWM + case COUNTER0_PWM: + TCCR0B = 0; + break; +#endif /* COUNTER0_PWM */ +#ifdef COUNTER1_16PWM + case COUNTER1_16PWM: + break; +#endif /* COUNTER1_16PWM */ +#ifdef COUNTER2_PWM_ASYNC + case COUNTER2_PWM_ASYNC: + break; +#endif /* COUNTER2_PWM_ASYNC */ + } +} + +static inline void timer_reset(uint8_t timer) { + switch (timer) { +#ifdef COUNTER0_PWM + case COUNTER0_PWM: + TCNT0 = 0; + break; +#endif /* COUNTER0_PWM */ +#ifdef COUNTER1_16PWM + case COUNTER1_16PWM: + break; +#endif /* COUNTER1_16PWM */ +#ifdef COUNTER2_PWM_ASYNC + case COUNTER2_PWM_ASYNC: + break; +#endif /* COUNTER2_PWM_ASYNC */ + } +} + +static inline uint16_t timer_value(uint8_t timer) { + switch (timer) { +#ifdef COUNTER0_PWM + case COUNTER0_PWM: + return TCNT0; + break; +#endif /* COUNTER0_PWM */ +#ifdef COUNTER1_16PWM + case COUNTER1_16PWM: + break; +#endif /* COUNTER1_16PWM */ +#ifdef COUNTER2_PWM_ASYNC + case COUNTER2_PWM_ASYNC: + break; +#endif /* COUNTER2_PWM_ASYNC */ + default: + return 0; + } +} + +#ifdef COUNTER0_PWM +void (*timer_0_pwm_overflow) (void); +#endif /* COUNTER0_PWM */ +#ifdef COUNTER1_16PWM +void (*timer_1_16pwm_overflow) (void); +#endif /* COUNTER1_16PWM */ +#ifdef COUNTER2_PWM_ASYNC +void (*timer_2_pwm_overflow) (void); +#endif /* COUNTER2_PWM_ASYNC */ + +static inline void timer_sethook(uint8_t timer, void (*fnc) (void)) { + switch (timer) { +#ifdef COUNTER0_PWM + case COUNTER0_PWM: + timer_0_pwm_overflow = fnc; + break; +#endif /* COUNTER0_PWM */ +#ifdef COUNTER1_16PWM + case COUNTER1_16PWM: + timer_1_16pwm_overflow = fnc; + break; +#endif /* COUNTER1_16PWM */ +#ifdef COUNTER2_PWM_ASYNC + case COUNTER2_PWM_ASYNC: + timer_2_pwm_overflow = fnc; + break; +#endif /* COUNTER2_PWM_ASYNC */ + } +} + +#endif /* CONFIG_IOE_TIMERS */ +#endif /* _IOE_TIMER_H_ */ |