GC24001/Hardware/hw_pwm.h

#ifndef __HW_PWM_H__
#define __HW_PWM_H__

#define HW_PWM_1    0
#define HW_PWM_2    1
#define HW_PWM_3    2
#define HW_PWM_4    3
#define HW_PWM_5    4
#define HW_PWM_6    5
#define HW_PWM_7    6
#define HW_PWM_8    7
#define HW_PWM_9    8
#define HW_PWM_10   9
#define HW_PWM_11   10
#define HW_PWM_12   11

#define HW_PWM_NUMBER       2
#define HW_ENCODER_NUMBER   1


typedef struct
{
    uint16_t * idr;
    uint16_t * odr;
    uint16_t pin;
    uint16_t level;
} hw_pin_readwrite_t;

extern uint32_t * hw_pwm_period_registers[];
extern uint32_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_UPDATE_PERIOD(no,val) HW_PWM_PERIOD(no) = (val-1);HW_PWM_DUTYCYCLE(no) = (val >> 1)
//#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[sta ^ hw_pwm_dir_rw_map[no].level] = 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_en_rw_map[no].pin)
#define HW_PWM_SET_EN(no,sta) hw_pwm_en_rw_map[no].odr[sta ^ hw_pwm_en_rw_map[no].level] = 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);
void hw_pwm_set_clock(unsigned char no, int clock);
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);
void hw_encoder_init(void);
int hw_encoder_get(int index);
void hw_encoder_set(int index, int count);

#endif