標(biāo)題: PIC16F877A單片機(jī)eeprom 24C04A程序 [打印本頁]
作者: Sdstechsds    時間: 2021-8-27 00:23
標(biāo)題: PIC16F877A單片機(jī)eeprom 24C04A程序
仿真原理圖如下（proteus仿真工程文件可到本帖附件中下載）



單片機(jī)源程序如下:
  1. /*
  2. * File:   newmain.c
  3. * Author: SDS
  4. *
  5. * Created on 29 December, 2019, 11:59 AM
  6. */
  7. // PIC16F877A Configuration Bit Settings
  8. // 'C' source line config statements
  9. // CONFIG
  10. #pragma config FOSC = HS        // Oscillator Selection bits (HS oscillator)
  11. #pragma config WDTE = OFF       // Watchdog Timer Enable bit (WDT disabled)
  12. #pragma config PWRTE = OFF      // Power-up Timer Enable bit (PWRT disabled)
  13. #pragma config BOREN = ON       // Brown-out Reset Enable bit (BOR enabled)
  14. #pragma config LVP = OFF        // Low-Voltage (Single-Supply) In-Circuit Serial Programming Enable bit (RB3 is digital I/O, HV on MCLR must be used for programming)
  15. #pragma config CPD = OFF        // Data EEPROM Memory Code Protection bit (Data EEPROM code protection off)
  16. #pragma config WRT = OFF        // Flash Program Memory Write Enable bits (Write protection off; all program memory may be written to by EECON control)
  17. #pragma config CP = OFF         // Flash Program Memory Code Protection bit (Code protection off)

  19. // #pragma config statements should precede project file includes.
  20. // Use project enums instead of #define for ON and OFF.
  21. #define _XTAL_FREQ 20000000
  22. #include <xc.h>
  23. #include <stdio.h>
  24. //#include <stdlib.h>
  25. #include <stdint.h>
  26. #include "LCD.h"
  27. #include "I2C.h"
  28. #include "EEPROM.h"
  29. #include "ADC.h"

  31. char lcd[20];

  33. void main()
  34. {
  35.     TRISD=0;
  36.     LCD_init();
  37.     I2C_Init(400);
  38.     Init_ADC();
  39.     LCD_command(clear);
  40.     Lcd_string(1,1,"<--   WELCOME   -->");
  41.     __delay_ms(200);  LCD_command(clear);
  42.     unsigned int ADC_value = 0;
  43.     unsigned int ADC_value1 = 0;
  44.     unsigned int i=0;
  45.     unsigned char rx,rx1,rx2,rx4=0;
  46.     uint16_t rx3;
  47.    // Write_Byte_To_EEPROM(0x0000,'S');
  48.    // Write_Byte_To_EEPROM(0x0001,'D');
  49.    // Write_Byte_To_EEPROM(0x0002,'S');
  50.    // Write_Byte_To_EEPROM(0x0003,i);
  51.     while(1)
  52.     {
  53.         ADC_value = ADCValue(6);
  54.         ADC_value1 = ADCValue(5);   
  55.       rx4=Read_Byte_From_EEPROM(0004);
  56.       rx2=Read_Byte_From_EEPROM(0005);
  57.       rx3=((rx4<<8)|rx2);
  58.       sprintf(lcd,"MEM:%3u",rx3);Lcd_string(1,1,lcd);
  59.       sprintf(lcd,"ADC:%3u",ADC_value);Lcd_string(2,1,lcd);
  60.       sprintf(lcd,"ADC:%3u",ADC_value1);Lcd_string(4,1,lcd);
  61.     // __delay_ms(50);
  62.       if(ADC_value>1000)
  63.       {
  64.         Write_Byte_To_EEPROM(0004,ADC_value1>>8);
  65.         Write_Byte_To_EEPROM(0005,ADC_value1);
  66.       }
  67.             if(i>100){i=0;}i++;
  68.             sprintf(lcd,"I:%3u",i);Lcd_string(3,1,lcd);
  69.       
  70. ///////////////////////// END /////////////////////////////
  71.     }
  72. }
復(fù)制代碼


所有資料51hei附件下載:
EEPROM_24C64.X.rar (163.73 KB, 下載次數(shù): 57)




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