main.h

波形发生器,基于单片机C51的源代码,有正弦波、三角波和矩形波。

#ifndef __MAIN_H__
#define __MAIN_H__
#include "macro.h"
#include "reg52.h"
#include<absacc.h>
#include "lcd.h"



//☆☆☆☆☆☆☆☆☆☆☆☆↓↓↓☆☆☆☆☆☆☆☆☆宏定义☆☆☆☆☆☆☆↓↓↓☆☆☆☆☆☆☆☆☆☆☆☆☆☆
#define DAC_DATA  		XBYTE[0X7fff]
#define TH0CLK				(65536 - 50) >> 8
#define TL0CLK				(65536 - 50) & 0x00ff

#define ENTER_CRITICAL()		EA = 0
#define EXIT_CRITICAL()			EA = 1


//***************************变量**********************************************************
uint8 gcTh0 = TH0CLK;
uint8 gcTl0  = TL0CLK;
uint8 gcFunKey ;				//选择三角、方波和正弦波
uint8 gcRecCount = 0;		//方波的计数
uint8 gcTriCount  = 0;			//三角的计数值
uint8 gcSinCount = 0;				//正弦计数值
uint8 gcAmplitude = 0;			//三角和方波的幅度
uint8 gcSineAmplitude = 0;		//正弦幅度

uint8 code gsLCDStart[]= {"Hello!FuckYou!"};

//uint8 code LedTab[10] ={0x03,0x9f,0x25,0x0d,0x99,0x49,0x41,0x1f,0x01,0x09};	//共阳数码管码
										//{0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};		//共阴										
uint8 code SinTab[256]=
					{0x80,0x83,0x86,0x89,0x8d,0x90,0x93,0x96,0x99,0x9c,
					0x9f,0xa2,0xa5,0xa8,0xab,0xae,0xb1,0xb4,0xb7,0xba,
					0xbc,0xbf,0xc2,0xc5,0xc7,0xca,0xcc,0xcf,0xd1,0xd4,
					0xd6,0xd8,0xda,0xdd,0xdf,0xe1,0xe3,0xe5,0xe7,0xe9,
					0xea,0xec,0xee,0xef,0xf1,0xf2,0xf4,0xf5,0xf6,0xf7,
					0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfd,0xfe,0xff,0xff,
					0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
					0xfe,0xfd,0xfd,0xfc,0xfb,0xfa,0xf9,0xf8,0xf7,0xf6,
					0xf5,0xf4,0xf2,0xf1,0xef,0xee,0xec,0xea,0xe9,0xe7,
					0xe5,0xe3,0xe1,0xde,0xdd,0xda,0xd8,0xd6,0xd4,0xd1,
					0xcf,0xcc,0xca,0xc7,0xc5,0xc2,0xbf,0xbc,0xba,0xb7,
					0xb4,0xb1,0xae,0xab,0xa8,0xa5,0xa2,0x9f,0x9c,0x99,
					0x96,0x93,0x90,0x8d,0x89,0x86,0x83,0x80,0x80,0x7c,
					0x79,0x76,0x72,0x6f,0x6c,0x69,0x66,0x63,0x60,0x5d,
					0x5a,0x57,0x55,0x51,0x4e,0x4c,0x48,0x45,0x43,0x40,
					0x3d,0x3a,0x38,0x35,0x33,0x30,0x2e,0x2b,0x29,0x27,
					0x25,0x22,0x20,0x1e,0x1c,0x1a,0x18,0x16,0x15,0x13,
					0x11,0x10,0x0e,0x0d,0x0b,0x0a,0x09,0x08,0x07,0x06,
					0x05,0x04,0x03,0x02,0x02,0x01,0x00,0x00,0x00,0x00,
					0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02 ,
					0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,
					0x0d,0x0e,0x10,0x11,0x13,0x15,0x16,0x18,0x1a,0x1c,
					0x1e,0x20,0x22,0x25,0x27,0x29,0x2b,0x2e,0x30,0x33,
					0x35,0x38,0x3a,0x3d,0x40,0x43,0x45,0x48,0x4c,0x4e ,
					0x51,0x55,0x57,0x5a,0x5d,0x60,0x63,0x66 ,0x69,0x6c,
					0x6f,0x72,0x76,0x79,0x7c,0x80 };

//*********************函数体**************************************************************
void DelayNus(uint8 t);
void Delay10ms(void) ;
void  KeyScan(void);
void WriteDAC0832(uint8 OutData);
void InitTimer0(void);
void TriangleWave(void);
void RectangleWave(void);
void SineWave(void);
void OnStart(void);
void SelectWave(void);
void IncreaseFrequency(void);
void DecreaseFrequency(void);
void ShowFrequency(void);
void DisplayLED(int32 focs);
void DecreaseAmplitude(void);
void IncreaseAmplitude(void);


#endif
//☆☆☆☆☆☆☆☆☆☆☆☆☆↑↑↑☆☆☆☆☆☆☆☆华丽的分界线☆☆☆☆☆☆☆☆☆↑↑↑☆☆☆☆☆☆☆☆☆☆☆☆