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/**********************************************************************
***********************************************************************/
#include "main.h"
#include "HX711.h"
#include "uart.h"
#include "LCD1602.h"
#include <intrins.h>
#define uchar unsigned char //無符號字符型宏定義變量范圍0~255
#define uint unsigned int //無符號整型宏定義變量范圍0~65535
unsigned long HX711_Buffer = 0;
unsigned long Weight_Maopi = 0;
long Weight_Shiwu = 0;
unsigned char flag = 0;
bit Flag_ERROR = 0;
sbit beep= P1^7;
#define GapValue 405
//****************************************************
//主函數
//****************************************************
void main()
{
Uart_Init();
Init_LCD1602();
LCD1602_write_com(0x80);
LCD1602_write_word("Welcome to use!");
Delay_ms(1000); //延時,等待傳感器穩定
Get_Maopi(); //稱毛皮重量
while(1)
{
EA = 0;
Get_Weight(); //稱重
EA = 1;
Scan_Key();
//顯示當前重量
if( Flag_ERROR == 1)
{
LCD1602_write_com(0x80+0x40);
LCD1602_write_word("ERROR ");
beep=0;
}
else
{
beep=1;
Send_ASCII(0x82);
Send_ASCII(0x4);
Send_ASCII(Weight_Shiwu >> 8);
Send_ASCII(Weight_Shiwu);
LCD1602_write_com(0x80+0x40);
LCD1602_write_data(Weight_Shiwu/1000 + 0X30);
LCD1602_write_data(Weight_Shiwu%1000/100 + 0X30);
LCD1602_write_data(Weight_Shiwu%100/10 + 0X30);
LCD1602_write_data(Weight_Shiwu%10 + 0X30);
LCD1602_write_word(" g");
}
}
}
//掃描按鍵
void Scan_Key()
{
if(KEY1 == 0)
{
Delay_ms(5);
if(KEY1 == 0)
{
while(KEY1 == 0);
Get_Maopi(); //去皮
}
}
}
//****************************************************
//稱重
//****************************************************
void Get_Weight()
{
Weight_Shiwu = HX711_Read();
Weight_Shiwu = Weight_Shiwu - Weight_Maopi; //獲取凈重
if(Weight_Shiwu > 0)
{
Weight_Shiwu = (unsigned int)((float)Weight_Shiwu/GapValue); //計算實物的實際重量
if(Weight_Shiwu > 5000) //超重報警
{
Flag_ERROR = 1;
Send_ASCII(0x82);
Send_ASCII(0x4);
Send_ASCII(5000 >> 8);
}
else
{
Flag_ERROR = 0;
}
}
else
{
Weight_Shiwu = 0;
Send_ASCII(0x82);
Send_ASCII(0x4);
Send_ASCII(0 >> 8);
}
}
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