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50 lines
1.3 KiB
50 lines
1.3 KiB
#ifndef __TIMER_H |
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#define __TIMER_H |
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#include "types.h" |
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#define TIMER_PCLK 14745600 |
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#define TIMER_PRESCALE 9215 |
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#define TIMER0_PRESCALE 0 |
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#define TIMER_SECOND (TIMER_PCLK/(TIMER_PRESCALE+1)) |
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#define TIMER_MS (TIMER_SECOND/1000) |
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#define TIMER_US (TIMER_SECOND/1000000) |
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#define TIMER0_SECOND (TIMER_PCLK/(TIMER0_PRESCALE+1)) |
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#define TIMER0_MS (TIMER0_SECOND/1000) |
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#define TIMER0_US (TIMER0_SECOND/1000000) |
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#define PWM_MAX 14745 |
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#if 0 |
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#define PWM_PERIOD 58980 |
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#endif |
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#define PWM_PERIOD ((4*PWM_MAX)+1) |
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#define TIMER_INPUT_TIMEOUT (TIMER_PCLK/10) |
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#define TIMER_CPPM_SYNC 40000 |
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#define TIMER_CH(x) (timer_map[x]) |
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extern volatile unsigned int timer0_width[]; |
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extern volatile unsigned int timer0_cppm[]; |
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extern unsigned int timer_map[]; |
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void init_timer(void); |
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unsigned int timer_read(void); |
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void timer_delay_clocks(unsigned int clocks); |
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void timer_set_period(unsigned int period); |
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void timer_set_pwm_value(int channel, int value); |
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void timer_set_pwm_invalid(int channel); |
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bool timer_valid(int channel); |
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bool timer_allvalid(void); |
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#define timer_delay_us(x) timer_delay_clocks((x)*TIMER0_US) |
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#define timer_delay_ms(x) timer_delay_clocks((x)*TIMER0_MS) |
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#ifdef TIMER_CPPM |
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#define timer_input(ch) (timer0_cppm[TIMER_CH(ch)]) |
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#else |
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#define timer_input(ch) (timer0_width[TIMER_CH(ch)]) |
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#endif |
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#endif /* __TIMER_H */
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