电子秤源码（stc15w408s）

【实例简介】 

【实例截图】 

【文件目录】

stc15w408s-电子秤

├── Listings
│   ├── STARTUP.lst
│   ├── display.lst
│   ├── eeprom.lst
│   ├── epprom.lst
│   ├── hx711.lst
│   ├── kalman.lst
│   ├── key.lst
│   ├── project.m51
│   ├── stc15w1k16s.lst
│   ├── stc15w408a.lst
│   ├── timer.lst
│   └── uart.lst
├── Objects
│   ├── STARTUP.obj
│   ├── display.__i
│   ├── display.obj
│   ├── eeprom.__i
│   ├── eeprom.obj
│   ├── epprom.__i
│   ├── hx711.__i
│   ├── hx711.obj
│   ├── kalman.__i
│   ├── kalman.obj
│   ├── key.__i
│   ├── key.obj
│   ├── project
│   ├── project.build_log.htm
│   ├── project.hex
│   ├── project.lnp
│   ├── stc15w1k16s.__i
│   ├── stc15w1k16s.obj
│   ├── stc15w408a.__i
│   ├── stc15w408a.obj
│   ├── timer.__i
│   ├── timer.obj
│   ├── uart.__i
│   └── uart.obj
├── STARTUP.A51
├── display.c
├── display.h
├── eeprom.c
├── eeprom.h
├── hx711.c
├── hx711.h
├── kalman.c
├── kalman.h
├── key.c
├── key.h
├── project.uvgui.Administrator
├── project.uvopt
├── project.uvproj
├── stc15w408a.c
├── timer.c
├── timer.h
├── uart.c
└── uart.h

2 directories, 55 files

 

【核心代码】#include "hx711.h"

#include "key.h"
#include "display.h"
#include "timer.h"
#include "eeprom.h"

//主频率12Mhz
sbit BEEP = P3^3;

u8 Remove_State = 0;
u32 Weight = 0;
u32 Initial_Weight = 0;
//float Initial_Resolution = 0.00;
float resolution = 0;
int main(void)
{
  u8 EPPROM_High, EPPROM_Low;
  u16 EPPROM_Data;
    BEEP = 0;
  LED = 0;//LED亮
  EPPROM_Init();
    Initial_Weight = Read_AvgWeight();
  EPPROM_Low = IapReadByte(IAP_ADDRESS);
  EPPROM_High = IapReadByte(IAP_ADDRESS 1);
  EPPROM_Data = EPPROM_High EPPROM_Low;
  resolution = (float)EPPROM_Data / 20.0;   
TIM0_Init();
    while(1)
{
  u8 i, j, k, l, m, n;
  static u8 KEY = 0;
  static u8 Unit_State = 0;   
i = Weight % 10;
j = Weight / 10 % 10;
k = Weight / 100 % 10;
l = Weight / 1000 % 10;
  m = Weight / 10000 % 10;
  n = Weight / 100000; 
  if(((Unit_State == 1) && ((m > 0)) || (n > 0)) && (Remove_State == 0))
    BEEP = 0;
else
  BEEP = 1;
  if(Unit_State == 0)
    Weight_Display_KG(Remove_State,k,l,m,n);
else
    Weight_Display_G(Remove_State,i,j,k,l);
  KEY = KEY_SCAN(0);
  switch(KEY)
{
      case 1  :
              Initial_Weight = ReadWeight();
break;
case 2  :
LED = !LED;
Unit_State = !Unit_State;
break;
case 3  :
              EPPROM_Data -= 1;
  if(EPPROM_Data >= 255)
  EPPROM_Low = 255;
else
      EPPROM_Low = EPPROM_Data % 256;
  EPPROM_High = EPPROM_Data - EPPROM_Low;

  IapEraseSector(IAP_ADDRESS);           //扇区擦除
  IapProgramByte(IAP_ADDRESS,EPPROM_Low);      
  IapProgramByte(IAP_ADDRESS 1,EPPROM_High);

  resolution = (float)EPPROM_Data / 20.0;
break;
case 4  :
              EPPROM_Data = 1;
  if(EPPROM_Data >= 255)
      EPPROM_Low = 255;
  else
  EPPROM_Low = EPPROM_Data % 256;
EPPROM_High = EPPROM_Data - EPPROM_Low;

  IapEraseSector(IAP_ADDRESS);           //扇区擦除
  IapProgramByte(IAP_ADDRESS,EPPROM_Low);     
  IapProgramByte(IAP_ADDRESS 1,EPPROM_High);

              resolution = (float)EPPROM_Data / 20.0;
              break;
}
}
return 0;
}