rt-thread-official/bsp/swm320/libraries/SWM320_StdPeriph_Driver/SWM320_pwm.h

#ifndef __SWM320_PWM_H__
#define __SWM320_PWM_H__

typedef struct
{
    uint8_t clk_div; //PWM_CLKDIV_1、PWM_CLKDIV_8

    uint8_t mode; //PWM_MODE_INDEP、PWM_MODE_COMPL、PWM_MODE_INDEP_CALIGN、PWM_MODE_COMPL_CALIGN

    uint16_t cycleA;    //A路周期
    uint16_t hdutyA;    //A路占空比
    uint16_t deadzoneA; //A路死区时长，取值0--1023
    uint8_t initLevelA; //A路初始输出电平，0 低电平    1 高电平

    uint16_t cycleB;    //B路周期
    uint16_t hdutyB;    //B路占空比
    uint16_t deadzoneB; //B路死区时长，取值0--1023
    uint8_t initLevelB; //B路初始输出电平，0 低电平    1 高电平

    uint8_t HEndAIEn;   //A路高电平结束中断使能
    uint8_t NCycleAIEn; //A路新周期开始中断使能
    uint8_t HEndBIEn;   //B路高电平结束中断使能
    uint8_t NCycleBIEn; //B路新周期开始中断使能
} PWM_InitStructure;

#define PWM_CLKDIV_1 0
#define PWM_CLKDIV_8 1

#define PWM_MODE_INDEP 0        //A路和B路为两路独立输出
#define PWM_MODE_COMPL 1        //A路和B路为一路互补输出
#define PWM_MODE_INDEP_CALIGN 3 //A路和B路为两路独立输出，中心对齐
#define PWM_MODE_COMPL_CALIGN 4 //A路和B路为一路互补输出，中心对齐

#define PWM_CH_A 0
#define PWM_CH_B 1

void PWM_Init(PWM_TypeDef *PWMx, PWM_InitStructure *initStruct); //PWM初始化
void PWM_Start(PWM_TypeDef *PWMx, uint32_t chA, uint32_t chB);   //启动PWM，开始PWM输出
void PWM_Stop(PWM_TypeDef *PWMx, uint32_t chA, uint32_t chB);    //关闭PWM，停止PWM输出

void PWM_SetCycle(PWM_TypeDef *PWMx, uint32_t chn, uint16_t cycle);      //设置周期
uint16_t PWM_GetCycle(PWM_TypeDef *PWMx, uint32_t chn);                  //获取周期
void PWM_SetHDuty(PWM_TypeDef *PWMx, uint32_t chn, uint16_t hduty);      //设置高电平时长
uint16_t PWM_GetHDuty(PWM_TypeDef *PWMx, uint32_t chn);                  //获取高电平时长
void PWM_SetDeadzone(PWM_TypeDef *PWMx, uint32_t chn, uint8_t deadzone); //设置死区时长
uint8_t PWM_GetDeadzone(PWM_TypeDef *PWMx, uint32_t chn);                //获取死区时长

void PWM_IntNCycleEn(PWM_TypeDef *PWMx, uint32_t chn);       //新周期开始中断使能
void PWM_IntNCycleDis(PWM_TypeDef *PWMx, uint32_t chn);      //新周期开始中断禁能
void PWM_IntNCycleClr(PWM_TypeDef *PWMx, uint32_t chn);      //新周期开始中断标志清除
uint32_t PWM_IntNCycleStat(PWM_TypeDef *PWMx, uint32_t chn); //新周期开始中断是否发生
void PWM_IntHEndEn(PWM_TypeDef *PWMx, uint32_t chn);         //高电平结束中断使能
void PWM_IntHEndDis(PWM_TypeDef *PWMx, uint32_t chn);        //高电平结束中断禁能
void PWM_IntHEndClr(PWM_TypeDef *PWMx, uint32_t chn);        //高电平结束中断标志清除
uint32_t PWM_IntHEndStat(PWM_TypeDef *PWMx, uint32_t chn);   //高电平结束中断是否发生

#endif //__SWM320_PWM_H__