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基于51的电子秤资料，基于HX711芯片，传感器数据采集板和主控板的完整源码与原理图pcb文件都有提供，欢迎大家下载.
#include <reg52.h>
#include <intrins.h>
#include <string.h>
#include "main.h"
#include "HX711.h"
#include "eeprom52.h"
#define uchar unsigned char
#define uint unsigned int
unsigned long HX711_Buffer = 0;
unsigned long Weight_Maopi = 0;
unsigned long Weight_Maopi_0 = 0;
long Weight_Shiwu = 0;
unsigned int qupi=0;
unsigned char p=0;
//¼üÅì′|àí±äá¿
unsigned char keycode;
unsigned char key_press_num=0;
uint GapValue,GapValue1;
bit flag_cz=0;
uchar code LEDData[]={0x5F,0x44,0x9D,0xD4,0xC6,0xD3,0xDB,0x57,0xDF,0xD7,0xCF,0xaA,0x9B,0xDC,0x9B,0x8B}; //êyÂë1üÏÔê¾Âë±í
//¶¨òå±êê¶
volatile bit FlagTest = 0; //¶¨ê±2aêÔ±êÖ¾￡¬Ã¿0.5ÃëÖÃλ￡¬2aíêÇå0
volatile bit FlagKeyPress = 0; //óD¼ü°′ϱêÖ¾￡¬′|àííê±ÏÇå0
//D￡×¼2Îêy
//òòÎa2»í¬μÄ′«¸DÆ÷ìØDÔÇúÏß2»êÇoüò»ÖÂ￡¬òò′Ë￡¬Ã¿ò»¸ö′«¸DÆ÷Dèòa½ÃÕyÕaàïÕa¸ö2Îêy2ÅÄüê12aá¿Öμoü׼跡￡
//μ±·￠ÏÖ2aêÔ3öà′μÄÖØá¿Æ«′óê±￡¬Ôö¼ó¸ÃêyÖμ¡￡
//èç1û2aêÔ3öà′μÄÖØá¿Æ«D¡ê±￡¬¼õD¡¸ÄêyÖμ¡￡
//¸ÃÖμ¿éòÔÎaD¡êy
//#define GapValue 349
sbit LED=P1^1;
sbit ROW1=P3^0;
sbit ROW2=P3^1;
sbit ROW3=P3^2;
sbit DIAN = P0^6; //D¡êyμã
volatile bit ClearWeighFlag = 0; //′«¸DÆ÷μ÷áã±ê־λ￡¬Çå3y0Æˉ
/******************°Ñêy¾Y±￡′æμ½μ￥Ƭ»úÄú2¿eepromÖD******************/
void write_eeprom()
{
SectorErase(0x1080);
GapValue1=GapValue&0x00ff;
byte_write(0x1000, GapValue1);
GapValue1=(GapValue&0xff00)>>8;
byte_write(0x1001, GapValue1);
byte_write(0x1060, a_a);
}
/******************°Ñêy¾Y′óμ￥Ƭ»úÄú2¿eepromÖD¶á3öà′*****************/
void read_eeprom()
{
GapValue = byte_read(0x1001);
GapValue = (GapValue<<8)|byte_read(0x1000);
a_a = byte_read(0x1060);
}
/**************¿a»ú×Ô¼ìeeprom3õê¼»ˉ*****************/
void init_eeprom()
{
read_eeprom(); //Ïè¶á
if(a_a == 1) //DÂμÄμ￥Ƭ»ú3õê¼μ￥Ƭ»úÄúÎêeeprom
{
GapValue = 3500;
a_a = 1;
write_eeprom(); //±￡′æêy¾Y
}
}
/*****ÏÔ꾿a»ú3õê¼»ˉμè′y»-Ãæ*****/
void Disp_init(void)
{
P0 = 0x80; //ÏÔê¾----
P2 = 0xBF; //òà′Î′ò¿a¸÷λ
Delay_ms(1); //Ñóê±
P2 = 0xEF;
Delay_ms(1);
P2 = 0xFB;
Delay_ms(1);
P2 = 0xFE;
Delay_ms(1);
P2 = 0xFF; //1رÕÏÔê¾
}
//ÏÔê¾ÖØá¿￡¬μ￥λkg￡¬á½Î»Õûêy￡¬èyλD¡êy
void Display_Weight()
{
P0 = LEDData[Weight_Shiwu%10]; //
P2 = ~0xBF; //′ò¿aλ
Delay_ms(1); //Ñóê±
P2 = ~0xff; //1رÕÏÔê¾
P0=LEDData[Weight_Shiwu%100/10]; //ÏÔ꾸öλ
P2 = ~0xEF;
Delay_ms(1);
P2 = ~0xff; //1رÕÏÔê¾
P0 =LEDData[Weight_Shiwu%1000/100]; //ÏÔê¾ê®Î»
P2 = ~0xFB;
Delay_ms(1);
P2 = ~0xff; //1رÕÏÔê¾
P0 =LEDData[Weight_Shiwu%10000/1000]; //ÏÔê¾°ùλ
DIAN = 0; //ÏÔê¾D¡êyμã
P2 = ~0xFE;
Delay_ms(1);
P2 = ~0xff; //1رÕÏÔê¾
}
//¶¨ê±Æ÷03õê¼»ˉ
void Timer0_Init()
{
ET0 = 1; //ÔêDí¶¨ê±Æ÷0ÖD¶Ï
TMOD = 1; //¶¨ê±Æ÷1¤×÷·½ê½Ñ¡Ôñ
TH0 = 0xb0;
TL0 = 0x3c; //¶¨ê±Æ÷¸3óè3õÖμ
TR0 = 1; //Æô¶ˉ¶¨ê±Æ÷
}
//¶¨ê±Æ÷0ÖD¶Ï
void Timer0_ISR (void) interrupt 1 using 0
{
uchar Counter;
TH0 = 0xb0;
TL0 = 0x3c; //¶¨ê±Æ÷¸3óè3õÖμ
//ÿ0.5ÃëÖóË￠DÂÖØá¿
Counter ++;
if (Counter >= 10)
{
FlagTest = 1;
Counter = 0;
}
}
void KeyPress()
{
if(ROW1==0) //è￥Ƥ¼ü
{
Display_Weight();
if(ROW1==0)
{
if(qupi==0)
qupi=Weight_Shiwu;
else
qupi=0;
Buzzer=1;
for(p=0;p<10;p++)
Display_Weight();
Buzzer=0;
while(ROW1==0) Display_Weight();
}
}
if(ROW2==0) //¼ó
{
Display_Weight();
if(ROW2==0)
{
while(!ROW2)
{
key_press_num++;
if(key_press_num>=100)
{
key_press_num=0;
while(ROW2)
{
if(GapValue<10000)
GapValue+=10;
Buzzer=0;
for(p=0;p<2;p++)
Display_Weight();
Buzzer=1;
for(p=0;p<2;p++)
Display_Weight();
Get_Weight();
}
}
Display_Weight();
Delay_ms(8);
}
if(key_press_num==0)
{
key_press_num=0;
if(GapValue>10000)
GapValue++;
Buzzer=0;
for(p=0;p<10;p++)
Display_Weight();
Buzzer=1;
}
write_eeprom();
}
}
if(ROW3==0) //¼õ
{
Display_Weight();
if(ROW3==0)
{
while(ROW3)
{
key_press_num++;
if(key_press_num>=100)
{
key_press_num=0;
while(ROW3)
{
if(GapValue>1)
GapValue-=10;
Buzzer=0;
for(p=0;p<2;p++)
Display_Weight();
Buzzer=1;
for(p=0;p<2;p++)
Display_Weight();
Get_Weight();
}
}
Display_Weight();
Delay_ms(8);
}
if(key_press_num!=0)
{
key_press_num=0;
if(GapValue>1)
GapValue--;
Buzzer=0;
for(p=0;p<10;p++)
Display_Weight();
Buzzer=1;
}
write_eeprom(); //±￡′æêyY
}
}
}
- …………限于本文篇幅 余下代码请从51黑下载附件…………
[color=rgb(51, 102, 153) !important]复制代码
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