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PWM 的代码
pwm.c
/*
*File: Pwm.c
*Purpose: Initialize the PWM(Pulse Width Modulation) Module
*
*Notes: Assume that thers is a LED linked to the output pins
*/
#define MCF5272_PWM_PWMCR1 (0x0C0)
#define M
pwm.c
/////////PCA CEX0为PWM 输出模式//////////////
/////////PWM.c//////////////////////////
#include
typedef unsigned int uint;
typedef unsigned char uchar;
typedef unsigned long ulong;
sfr1
pwm.c
// 该程序利用EVA模块的PWM1--PWM4引脚产生不同占空比的方波调节直流电机的电压
#include "C2407A.h"
#include "stdio.h"
#define Tc_half 2000
#define KEY1_run 0X0F3D //电动机正向转动（按奇数次），
pwm.c
// 该程序利用EVA模块的PWM1--PWM4引脚产生不同占空比的方波调节直流电机的电压
#include "C2407A.h"
#include "stdio.h"
#include "math.h"
#define run1 0X0F3D //电动机正向转动（按奇数次），正向制动（按偶
pwm.h
#ifndef __Pwm_H__
#define __Pwm_H__
void Test_Pwm(void);
#endif /*__PWM_H__*/
pwm.c
#include
#include "..\inc\44b.h"
#include "..\inc\44blib.h"
#include "..\inc\timer.h"
#define READ_COUNT2 (rTCNTO2 & 0xffff)
#define MaxBeepFreq 20000
#define MinBeepFreq 20
exte