GC19038/HARDWARE/hw_pwm.h

#ifndef __HW_PWM_H__
#define __HW_PWM_H__
#include "st_sys.h"
#include "hw_pin.h"

#define HW_PWM_1    0
#define HW_PWM_2    1
#define HW_PWM_3    2
#define HW_PWM_4    3



#define HW_PWM_NUMBER 2


extern uint16_t * hw_pwm_period_registers[];
extern uint16_t * hw_pwm_dutycycle_registers[];
extern uint16_t * hw_pwm_cr_registers[];
extern uint16_t * hw_pwm_egr_registers[HW_PWM_NUMBER];
//方向管脚读写表
extern hw_pin_readwrite_t hw_pwm_dir_rw_map[];
//使能管脚读写表
extern hw_pin_readwrite_t hw_pwm_en_rw_map[];



typedef void (* pwm_handle) (void *);


//直接获取或者设置周期
#define HW_PWM_PERIOD(no) *(hw_pwm_period_registers[no])
//直接获取或者设置占空比
#define HW_PWM_DUTYCYCLE(no) *(hw_pwm_dutycycle_registers[no])

#define HW_PWM_SET_PERIOD(no,val) HW_PWM_PERIOD(no) = val;HW_PWM_DUTYCYCLE(no) = (val >> 1); *(hw_pwm_egr_registers[no]) |= 0x01

//#define HW_PWM_ON(no)   *(hw_pwm_egr_registers[no]) |= 0x01;*(hw_pwm_cr_registers[no]) |= 0x01 
#define HW_PWM_ON(no)   *(hw_pwm_cr_registers[no]) |= 0x01 
#define HW_PWM_OFF(no)  *(hw_pwm_cr_registers[no]) &= ~0x01
#define HW_PWM_IS_ON(no) (*(hw_pwm_cr_registers[no]) & 0x01)

#define HW_PWM_GET_DIR(no) ((hw_pwm_dir_rw_map[no].idr & hw_pwm_dir_rw_map[no].pin) == hw_pwm_dir_rw_map[no].pin)
#define HW_PWM_SET_DIR(no,sta) hw_pwm_dir_rw_map[no].odr[1 - sta] = hw_pwm_dir_rw_map[no].pin
 
#define HW_PWM_GET_EN(no) ((hw_pwm_en_rw_map[no].idr & hw_pwm_en_rw_map[no].pin) == hw_pwm_dir_rw_map[no].pin)
#define HW_PWM_SET_EN(no,sta) hw_pwm_en_rw_map[no].odr[1 - sta] = hw_pwm_en_rw_map[no].pin



void hw_pwm_set_dir(unsigned char no, int dir);
int hw_pwm_get_dir(unsigned char no);
void hw_pwm_set_enable(unsigned char no, int en);
int hw_pwm_get_enable(unsigned char no);
void hw_pwm_start(unsigned char no);
void hw_pwm_set_period(unsigned char no, int value);
void hw_pwm_stop(unsigned char no);
int hw_pwm_get_clk(unsigned char no);
void hw_pwm_init(int clk);
void hw_pwm_it_register(unsigned char no, pwm_handle handle, void * para);
void hw_pwm_close_all(void);
int hw_pwm_get_alr(unsigned char no);
int hw_pwm_get_tarr(unsigned char no);
void hw_pwm_set_clr(unsigned char no, int en);
void hw_pwm_set_tmode(unsigned char no, int en);
#endif