三种SPWM算法源码

头文件  spwm.h


/***************普通SPWM程序************************/
#ifndef _NORMAL_SPWM_H
#define _NORMAL_SPWM_H

//SPWM 表结构体 三项公用一个表 
typedef struct _SPWM_table
{
    Uint16 TableSize;     //表大小 即表中所有数据 
    Uint16 SpwmSize;      //SPWM表大小 
    volatile Uint16 *p_SPWM_A;     //A相指针
    volatile Uint16 *p_SPWM_B;     //B相指针
    volatile Uint16 *p_SPWM_C;     //C相指针
    Uint16 *p_HeadTable;  //表头指针  指向SPWM表
}SPWM_TABLE;

extern SPWM_TABLE g_SPWM_Table; //全局SPWM表 

void InitSpwm(void);
void StartSpwm(void);
interrupt void ISR_T1UFINT_NORMAL_FUNC(void);

void CalcSpwmWithSym(float32 a/*调制比*/,float32 w_Hz/*调制频率*/,float32 z_Hz/*载波频率*/);
void CalcSpwmWithImSym(float32 a/*调制比*/,Uint16 w_Hz/*调制频率*/,Uint32 z_Hz/*载波频率*/);
void CalcSpwmWithArea(float32 a/*调制比*/,Uint16 w_Hz/*调制频率*/,Uint32 z_Hz/*载波频率*/);