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使用C51單片機實現舞臺燈控制效果的源程序

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ID:444712 發表于 2019-1-4 09:38 | 顯示全部樓層 |閱讀模式
基于51單片機的8通道舞臺電腦燈控臺硬件進行研究。系統采用AT89C51單片機作為控制器，
用ADC0809作為主要芯片設計A/D轉換電路，并利用差分收發芯片75176BP進行通信口設計。

//本示例在Keil開發環境下請選擇Intel的8058芯片型號進行編譯
//若無特別說明,工作頻率一般為11.0592MHz


#include "reg51.h"

#define CYCLE   0x1000L     //定義PWM周期(最大值為32767)

#define PWMC        (*(unsigned int  volatile xdata *)0xfff0)
#define PWMCH       (*(unsigned char volatile xdata *)0xfff0)
#define PWMCL       (*(unsigned char volatile xdata *)0xfff1)
#define PWMCKS      (*(unsigned char volatile xdata *)0xfff2)
#define PWM2T1      (*(unsigned int  volatile xdata *)0xff00)
#define PWM2T1H     (*(unsigned char volatile xdata *)0xff00)
#define PWM2T1L     (*(unsigned char volatile xdata *)0xff01)
#define PWM2T2      (*(unsigned int  volatile xdata *)0xff02)
#define PWM2T2H     (*(unsigned char volatile xdata *)0xff02)
#define PWM2T2L     (*(unsigned char volatile xdata *)0xff03)
#define PWM2CR      (*(unsigned char volatile xdata *)0xff04)
#define PWM3T1      (*(unsigned int  volatile xdata *)0xff10)
#define PWM3T1H     (*(unsigned char volatile xdata *)0xff10)
#define PWM3T1L     (*(unsigned char volatile xdata *)0xff11)
#define PWM3T2      (*(unsigned int  volatile xdata *)0xff12)
#define PWM3T2H     (*(unsigned char volatile xdata *)0xff12)
#define PWM3T2L     (*(unsigned char volatile xdata *)0xff13)
#define PWM3CR      (*(unsigned char volatile xdata *)0xff14)
#define PWM4T1      (*(unsigned int  volatile xdata *)0xff20)
#define PWM4T1H     (*(unsigned char volatile xdata *)0xff20)
#define PWM4T1L     (*(unsigned char volatile xdata *)0xff21)
#define PWM4T2      (*(unsigned int  volatile xdata *)0xff22)
#define PWM4T2H     (*(unsigned char volatile xdata *)0xff22)
#define PWM4T2L     (*(unsigned char volatile xdata *)0xff23)
#define PWM4CR      (*(unsigned char volatile xdata *)0xff24)
#define PWM5T1      (*(unsigned int  volatile xdata *)0xff30)
#define PWM5T1H     (*(unsigned char volatile xdata *)0xff30)
#define PWM5T1L     (*(unsigned char volatile xdata *)0xff31)
#define PWM5T2      (*(unsigned int  volatile xdata *)0xff32)
#define PWM5T2H     (*(unsigned char volatile xdata *)0xff32)
#define PWM5T2L     (*(unsigned char volatile xdata *)0xff33)
#define PWM5CR      (*(unsigned char volatile xdata *)0xff34)
#define PWM6T1      (*(unsigned int  volatile xdata *)0xff40)
#define PWM6T1H     (*(unsigned char volatile xdata *)0xff40)
#define PWM6T1L     (*(unsigned char volatile xdata *)0xff41)
#define PWM6T2      (*(unsigned int  volatile xdata *)0xff42)
#define PWM6T2H     (*(unsigned char volatile xdata *)0xff42)
#define PWM6T2L     (*(unsigned char volatile xdata *)0xff43)
#define PWM6CR      (*(unsigned char volatile xdata *)0xff44)
#define PWM7T1      (*(unsigned int  volatile xdata *)0xff50)
#define PWM7T1H     (*(unsigned char volatile xdata *)0xff50)
#define PWM7T1L     (*(unsigned char volatile xdata *)0xff51)
#define PWM7T2      (*(unsigned int  volatile xdata *)0xff52)
#define PWM7T2H     (*(unsigned char volatile xdata *)0xff52)
#define PWM7T2L     (*(unsigned char volatile xdata *)0xff53)
#define PWM7CR      (*(unsigned char volatile xdata *)0xff54)

sfr P_SW2   =   0xba;

sfr P0M1    =   0x93;
sfr P0M0    =   0x94;
sfr P1M1    =   0x91;
sfr P1M0    =   0x92;
sfr P2M1    =   0x95;
sfr P2M0    =   0x96;
sfr P3M1    =   0xb1;
sfr P3M0    =   0xb2;
sfr P4M1    =   0xb3;
sfr P4M0    =   0xb4;
sfr P5M1    =   0xC9;
sfr P5M0    =   0xCA;
sfr P6M1    =   0xCB;
sfr P6M0    =   0xCC;
sfr P7M1    =   0xE1;
sfr P7M0    =   0xE2;

sfr PWMCFG  =   0xf1;
sfr PWMCR   =   0xf5;
sfr PWMIF   =   0xf6;
sfr PWMFDCR =   0xf7;

sbit PWM2   =   P3^7;
sbit PWM3   =   P2^1;
sbit PWM4   =   P2^2;
sbit PWM5   =   P2^3;
sbit PWM6   =   P0^7;
sbit PWM7   =   P0^6;

void PWM_config(void);

void PWM2_SetPwmWide(unsigned short Wide);
void PWM3_SetPwmWide(unsigned short Wide);
void PWM4_SetPwmWide(unsigned short Wide);
void PWM5_SetPwmWide(unsigned short Wide);
void PWM6_SetPwmWide(unsigned short Wide);
void PWM7_SetPwmWide(unsigned short Wide);

void main()
{
    PWM_config();

    PWM2_SetPwmWide(0);         //輸出全低電平
    PWM3_SetPwmWide(1);         //輸出1/2550高電平
    PWM4_SetPwmWide(CYCLE);     //輸出全高電平
    PWM5_SetPwmWide(CYCLE-1);   //輸出2549/2550低電平
    PWM6_SetPwmWide(CYCLE/2);   //輸出1/2高電平
    PWM7_SetPwmWide(CYCLE/3);   //輸出1/3高電平

    while (1);
}

void PWM_config(void)
{
    P0M0 &= ~0xc0;
    P0M1 &= ~0xc0;
    P0 &= ~0xc0;                    //設置P0.6/.P0.7電平
    P2M0 &= ~0x0e;
    P2M1 &= ~0x0e;
    P2 &= ~0x0e;                    //設置P2.1/P2.2/P2.3電平
    P3M0 &= ~0x80;
    P3M1 &= ~0x80;
    P3 &= ~0x80;                    //設置P3.7電平

    P_SW2 |= 0x80;

    PWMCKS = 0x00;
    PWMC = CYCLE;                   //設置PWM周期
    PWM2T1 = 1;
    PWM2T2 = 0;
    PWM2CR = 0x00;                  //PWM2輸出到P3.7
    PWM3T1 = 1;
    PWM3T2 = 0;
    PWM3CR = 0x00;                  //PWM3輸出到P2.1
    PWM4T1 = 1;
    PWM4T2 = 0;
    PWM4CR = 0x00;                  //PWM4輸出到P2.2
    PWM5T1 = 1;
    PWM5T2 = 0;
    PWM5CR = 0x00;                  //PWM5輸出到P2.3
    PWM6T1 = 1;
    PWM6T2 = 0;
    PWM6CR = 0x08;                  //PWM6輸出到P0.7
    PWM7T1 = 1;
    PWM7T2 = 0;
    PWM7CR = 0x08;                  //PWM7輸出到P0.6
    PWMCFG = 0x00;                  //配置PWM的輸出初始電平
    PWMCR = 0x3f;                   //使能PWM信號輸出
    PWMCR |= 0x80;                  //使能PWM模塊
    P_SW2 &= ~0x80;
}

void PWM2_SetPwmWide(unsigned short Wide)
{
    if (Wide == 0)
    {
        PWMCR &= ~0x01;
        PWM2 = 0;
    }
    else if (Wide == CYCLE)
    {
        PWMCR &= ~0x01;
        PWM2 = 1;
    }
    else
    {
        P_SW2 |= 0x80;
        PWM2T1 = Wide;
        P_SW2 &= ~0x80;
        PWMCR |= 0x01;
    }
}

void PWM3_SetPwmWide(unsigned short Wide)
{
    if (Wide == 0)
    {
        PWMCR &= ~0x02;
        PWM3 = 0;
    }
    else if (Wide == CYCLE)
    {
        PWMCR &= ~0x02;
        PWM3 = 1;
    }
    else
    {
        P_SW2 |= 0x80;
        PWM3T1 = Wide;
        P_SW2 &= ~0x80;
        PWMCR |= 0x02;
    }
}

void PWM4_SetPwmWide(unsigned short Wide)
{
    if (Wide == 0)
    {
        PWMCR &= ~0x04;
        PWM4 = 0;
    }
    else if (Wide == CYCLE)
    {
        PWMCR &= ~0x04;
        PWM4 = 1;
    }
    else
    {
        P_SW2 |= 0x80;
        PWM4T1 = Wide;
        P_SW2 &= ~0x80;
        PWMCR |= 0x04;
    }
}

void PWM5_SetPwmWide(unsigned short Wide)
{
    if (Wide == 0)
    {
        PWMCR &= ~0x08;
        PWM5 = 0;
    }
    else if (Wide == CYCLE)
    {
        PWMCR &= ~0x08;
        PWM5 = 1;
    }
    else
    {
        P_SW2 |= 0x80;
        PWM5T1 = Wide;
        P_SW2 &= ~0x80;
        PWMCR |= 0x08;
    }
}

void PWM6_SetPwmWide(unsigned short Wide)
{
    if (Wide == 0)
    {
        PWMCR &= ~0x10;
        PWM6 = 0;
    }
    else if (Wide == CYCLE)
    {
        PWMCR &= ~0x10;
        PWM6 = 1;
    }
    else
    {
        P_SW2 |= 0x80;
        PWM6T1 = Wide;
        P_SW2 &= ~0x80;
        PWMCR |= 0x10;
    }
}

void PWM7_SetPwmWide(unsigned short Wide)
{
    if (Wide == 0)
    {
        PWMCR &= ~0x20;
        PWM7 = 0;
    }
    else if (Wide == CYCLE)
    {
        PWMCR &= ~0x20;
        PWM7 = 1;
    }
    else
    {
        P_SW2 |= 0x80;
        PWM7T1 = Wide;
        P_SW2 &= ~0x80;
        PWMCR |= 0x20;
    }
}


實現舞臺燈控制效果.zip

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