STC12系列单片机语音电子秤PCB工程文件无代码 -

#include "main.h"
#include "LCD1602.h"
#include "HX711.h"
#include "BY8301.h"
#include "uart.h"
//定义变量
unsigned char KEY_NUM = 0; //用来存放按键按下的键值
unsigned long HX711_Buffer = 0; //用来存放HX711读取出来的数据
unsigned long Weight_Maopi = 0; //用来存放毛皮数据
long Weight_Shiwu = 0; //用来存放实物重量
long Weight_Shiwu_ADD = 0; //用来存放实物重量
long Max_Value = 0; //用来存放设置最大值
unsigned char maxValueTable[6];
unsigned char state = 0; //用来存放设置状态
unsigned char Blink_Speed = 0;
#define Blink_Speed_Max 6 //该值可以改变设置指针闪烁频率
//校准参数
//因为不同的传感器特性曲线不是很一致，因此，每一个传感器需要矫正这里这个参数才能使测量值很准确。
//当发现测试出来的重量偏大时，增加该数值。
//如果测试出来的重量偏小时，减小改数值。
//该值可以为小数
#define GapValue 18.5
//报警值，单位是g
#define AlarmValue 200000
#define filter_num 10
float recursive_average_filter(float filter_object)
{
float sum = 0;
float temp = 0;
char i;
static float filter_buf[filter_num + 1];
filter_buf[filter_num] = filter_object;
for(i = 0; i < filter_num; i++){
filter_buf[i] = filter_buf[i + 1]; // ??????,????
sum += filter_buf[i];
}
temp = ((float)sum / filter_num);
return temp;
}
//****************************************************
//主函数
//****************************************************
void main()
{
KEY1=1;
KEY2=1;
KEY3=1;
KEY4=1;
Buzzer_Di();
Init_LCD1602(); //初始化LCD1602
LCD1602_write_com(0x80); //设置LCD1602指针
LCD1602_write_word("Welcome to use!");
Get_Maopi();
Get_Maopi();
Delay_ms(2000); //延时2s
Get_Maopi();
Get_Maopi(); //称毛皮重量 //多次测量有利于HX711稳定
LCD1602_write_com(0x01); //清屏
uart_int_init();
BY8301_MP3(Weight_Shiwu);
while(1)
{
Scan_Key();
Get_Weight();
Weight_Shiwu=recursive_average_filter(Weight_Shiwu);
//显示当前重量
LCD1602_write_com(0x80);
LCD1602_write_word("Weight=");
LCD1602_write_data(Weight_Shiwu/100000 + 0x30);
LCD1602_write_data(Weight_Shiwu%100000/10000 + 0x30);
LCD1602_write_data(Weight_Shiwu%10000/1000 + 0x30);
LCD1602_write_data('.');
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("Kg");
LCD1602_write_com(0x80+0x40);
LCD1602_write_word("Total=");
LCD1602_write_data(Weight_Shiwu_ADD/100000 + 0x30);
LCD1602_write_data(Weight_Shiwu_ADD%100000/10000 + 0x30);
LCD1602_write_data(Weight_Shiwu_ADD%10000/1000 + 0x30);
LCD1602_write_data('.');
LCD1602_write_data(Weight_Shiwu_ADD%1000/100 + 0x30);
LCD1602_write_data(Weight_Shiwu_ADD%100/10 + 0x30);
LCD1602_write_data(Weight_Shiwu_ADD%10 + 0x30);
LCD1602_write_word("Kg");
}
}
//****************************************************
//称重
//****************************************************
void Get_Weight()
{
Weight_Shiwu = HX711_Read();
Weight_Shiwu = Weight_Shiwu - Weight_Maopi; //获取净重
if(Weight_Shiwu >= 0)
{
Weight_Shiwu = (unsigned long)((float)Weight_Shiwu/GapValue); //计算实物的实际重量
}
else
{
Weight_Shiwu = 0;
}
}
//****************************************************
//获取毛皮重量
//****************************************************
void Get_Maopi()
{
Weight_Maopi = HX711_Read();
}
//****************************************************
//MS延时函数(12M晶振下测试)
//****************************************************
void Delay_ms(unsigned int n)
{
unsigned int i,j;
for(i=0;i<n;i++)
for(j=0;j<123;j++);
}
//****************************************************
//蜂鸣器程序
//****************************************************
void Buzzer_Di()
{
Buzzer = 0;
Delay_ms(500);
Buzzer = 1;
Delay_ms(10);
}
//****************************************************
//按键扫描程序
//****************************************************
unsigned char Scan_Key()
{
if( KEY1 == 0 ) //按键扫描
{
Delay_ms(10); //延时去抖
if( KEY1 == 0 )
{
Buzzer_Di();
Weight_Shiwu_ADD+=Weight_Shiwu;
while(KEY1 == 0); //等待松手
return 1;
}
}
if( KEY2 == 0 ) //按键扫描
{
Delay_ms(10); //延时去抖
if( KEY2 == 0 )
{
Weight_Shiwu_ADD=0;
Buzzer_Di();
while(KEY2 == 0); //等待松手
return 2;
}
}
if( KEY3 == 0 ) //按键扫描
{
Delay_ms(10); //延时去抖
if( KEY3 == 0 )
{
Buzzer_Di();
Get_Maopi();
while(KEY3 == 0); //等待松手
return 3;
}
}
if( KEY4 == 0 ) //按键扫描
{
Delay_ms(10); //延时去抖
if( KEY4 == 0 )
{
Buzzer_Di();
while(KEY4 == 0); //等待松手
return 4;
}
}
return 0;
}

复制代码