MCU 8051 IDE

Programa em C:

#include <8052.h>

//Button_Pin = P3_2; // Declare Button_Pin. It will be used by Button Library.

// End Button connections

bit oldstate; // Old state flag

void MSDelay(unsigned int);

void main() {

P3 = 255; // Configure PORT0 as input

P0 = 0xAA; // Initial PORT2 value

P1 = 0xFF;

oldstate = 1;

while(1)

{

if (P3^2==1) // Detect logical one

//oldstate = 0; // Update flag

//if (oldstate && (P3_2=0)) { // Detect one-to-zero transition

{

P0 = ~P0; // Invert PORT2

MSDelay(50);

P0 = ~P0;

MSDelay (50);

//oldstate = 0; // Update flag

}

else

P1 = 0x10;

// Endless loop

}

}

void MSDelay (unsigned int itime)

{

unsigned int i, j;

for (i=0;i<itime;i++)

for (j=0;j<1275;j++);

}

######################################

/*------------www.szjcdz.cn----------------------

Modified by Solucionatica in 28 august 2014

------------------------------------------------*/

#include<8052.h>

#define DataPort P0

//sbit LATCH1 = P2^6; comment this two lines to compile properly with MCU 8051 IDE (linux version)

//sbit LATCH2 = P2^7;

unsigned char code DuanMa[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};

unsigned char code WeiMa[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};

unsigned char TempData[8];

void Delay(unsigned int t);

void Display(unsigned char FirstBit,unsigned char Num);

main()

{

unsigned int num;

unsigned int j;

while(1)

{

j++;

if(j==200)

{

j=0;

num++;

if(num==1000)

num=0;

}

TempData[0]=DuanMa[num/100];

TempData[1]=DuanMa[(num%100)/10];

TempData[2]=DuanMa[(num%100)%10];

Display(0,3);

TempData[2]=DuanMa[num/100];

TempData[1]=DuanMa[(num%100)/10];

TempData[0]=DuanMa[(num%100)%10];

Display(5,3);

}

}

void Delay(unsigned int t)

{

while(--t);

}

/*------------------------------------------------

------------------------------------------------*/

void Display(unsigned char FirstBit,unsigned char Num)

{

unsigned char i;

for(i=0;i<Num;i++)

{

DataPort=0;

P2_6 = 1;

P2_6 = 0;

DataPort=WeiMa[i+FirstBit];

P2_7 = 1;

P2_7 = 0;

DataPort=TempData[i];

P2_6 = 1;

P2_6 = 0;

Delay(200);

}

}