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PWM 的代码
pwm.h
/*
* Handy functions for controlling LPC2106 PWM channels.
* Author: Bruce McKenney, BMC Consulting, Selkirk, NY
*/
#ifndef _PWM_H_
#define _PWM_H_ 1
/*
* pwm_init(nticks, tickcycles)
*
pwm.c
/*
* LPC2106 PWM manipulation.
* Author: Bruce McKenney, BMC Consulting, Selkirk, NY
*/
#include
#include "pwm.h"
/*
* Bit positions in PWM_TCR:
*/
#define PWM_TCR_COUNTE
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"
#define READ_COUNT2 (rTCNTO2 & 0xffff)
#define MaxBeepFreq 900
#define MinBeepFreq 100
extern int Uart_GetIntNum(void)