You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
987 B
39 lines
987 B
#ifndef __TIMER_H |
|
#define __TIMER_H |
|
|
|
#include "types.h" |
|
|
|
#define TIMER_PCLK 14745600 |
|
#define TIMER_PRESCALE 0 |
|
|
|
#define TIMER_SECOND (TIMER_PCLK/(TIMER_PRESCALE+1)) |
|
#define TIMER_MS (TIMER_SECOND/1000) |
|
#define TIMER_US (TIMER_SECOND/1000000) |
|
|
|
#define PWM_MAX 14745 |
|
#if 0 |
|
#define PWM_PERIOD 58980 |
|
#endif |
|
#define PWM_PERIOD ((4*PWM_MAX)+1) |
|
|
|
#define TIMER_INPUT_TIMEOUT (TIMER_PCLK/10) |
|
|
|
#define TIMER_CH(x) (timer_map[x]) |
|
|
|
extern volatile unsigned int timer1_width[]; |
|
extern unsigned int timer_map[]; |
|
|
|
void init_timer(void); |
|
unsigned int timer_read(void); |
|
void timer_delay_clocks(unsigned int clocks); |
|
void timer_set_period(unsigned int period); |
|
void timer_set_pwm_value(int channel, int value); |
|
void timer_set_pwm_invalid(int channel); |
|
bool timer_valid(int channel); |
|
bool timer_allvalid(void); |
|
|
|
#define timer_delay_us(x) timer_delay_clocks((x)*TIMER_US) |
|
#define timer_delay_ms(x) timer_delay_clocks((x)*TIMER_MS) |
|
|
|
#define timer_input(ch) (timer1_width[TIMER_CH(ch)]) |
|
#endif /* __TIMER_H */
|
|
|