基于STM32的智能电子秤设计源码 12864显示 -

#include "test.h"
#include "sys.h"
#include "delay.h"
#include "12864.h"
#include "adc.h"
#include "key.h"
#include "usart.h"
#include "led.h"
#include "beep.h"
float all = 0;
u16 adc=0;
u16 adc_value=0;
u16 last_adc=0;
float weight=0;
float last_weight=0;
float money=0;
float money_one=0;
float f1=0.0,f2=0.0;
u8 key_value=0;
u8 key_count=0;
float price=0;
u16 last_price=0;
u8 port_flag=0;
u8 count = 0;
u8 peel_flag=0;
u8 money_flag=0;
u8 money_count=0;
u8 save_flag=0;
u8 error=0;
u8 price_f=0;
u16 start_value=180;
u8 start_flag=0;
float abss(float x)
{
if(x>0.0)
return x;
else
return -x;
}
void start_measure(void)
{
adc = Get_Adc_Average(ADC_Channel_8,100);
adc_value=adc;
if(adc_value<190&&adc_value>170)
{
LED = 0;
}
else
{
LED = 1;
}
//write_num(0x9B,adc_value);
//printf("%d\r\n",adc_value);
last_adc = adc;
}
void price_set(void)
{
write_com(0x93);
write_data(0x20);
write_data(0x20);
write_data(0x20);
write_data(0x20);
price=0;
while(key_count==1||key_count==3)
{
if(key_value==15)
{
if(price<100)
{
write_data(0x2e);
port_flag=1;
}
else
display4();
}
if(key_value<10||key_value==15)
price_value();
key_value = KEY_Scan(0);
if(key_value!=99)
{
BEEP=0;
delay_ms(100);
BEEP=1;
}
if(key_value==13) //确定
{
key_count = 0;
port_flag = 0;
money = price * weight;
if(money>9999)
display4();
else
write_decimal(0x8B,0x8E,money);
}
}
}
void ADD(void)
{
error=0;
if(money_flag ==1)
{
money_one = money;
}
price_set();
if(money_flag ==1)
{
all=money+money_one+all;
}
else
{
all=money+all;
}
write_decimal(0x9B,0x9E,all);
key_count = 0;
}
void PEEL(void)
{
if(peel_flag==1)
{
last_weight = weight;
peel_flag=2;
}
key_count = 0;
}
void DEL(void)
{
all=0;
price = 0;
money_flag = 0;
peel_flag = 0;
key_count = 0;
write_com(0x93);
write_data(0x20);
write_data(0x20);
write_data(0x20);
write_data(0x20);
error=0;
write_num(0X93,price);
write_decimal(0x8B,0x8E,0);
write_decimal(0x9B,0x9E,0);
}
void Unit_price(void)
{
key_value = KEY_Scan(0);
if(key_value!=99)
{
BEEP=0;
delay_ms(100);
BEEP=1;
}
if(key_value==12) //单价
key_count=1;
if(key_value==13) //确定
key_count=0;
if(key_value==10&&weight<100) //去皮
{
key_count=2;
peel_flag = 1;
}
if(key_value==11)//累加
{
key_count = 3;
money_flag++;
}
if(key_value==14)
{
key_count=4;
start_flag++;
if(start_flag ==1)
{
start_value = adc_value;
}
if((start_flag > 1)&&(weight<5))
{
start_value = adc_value;
}
}
if(key_count==1) //设置单价
{
price_set();
}
else if(key_count==2)
{
PEEL();
}
else if(key_count==3)
{
ADD();
}
else if(key_count==4)
{
DEL();
}
if(adc_value<740)
{
if(peel_flag==2)
{
weight =(float)(((adc_value-start_value)/5.88025)- last_weight); //关系待测
}
else
{
weight = (float)(((adc_value-start_value)/5.88025)); //关系待测
}
write_decimal(0x83,0x86,weight);
}
else if(adc_value<1000)
{
if(peel_flag==2)
{
weight =(float)(((adc_value-start_value)/5.84025)- last_weight); //关系待测
}
else
{
weight = (float)(((adc_value-start_value)/5.84025)); //关系待测
}
write_decimal(0x83,0x86,weight);
}
else if(adc_value<1300)
{
if(peel_flag==2)
{
weight =(float)(((adc_value-start_value)/5.80025)- last_weight); //关系待测
}
else
{
weight = (float)(((adc_value-start_value)/5.80025)); //关系待测
}
write_decimal(0x83,0x86,weight);
}
else if(adc_value<1600)
{
if(peel_flag==2)
{
weight =(float)(((adc_value-start_value)/5.76)- last_weight); //关系待测
}
else
{
weight = (float)(((adc_value-start_value)/5.76)); //关系待测
}
write_decimal(0x83,0x86,weight);
}
else if(adc_value<1784)
{
if(peel_flag==2)
{
weight =(float)(((adc_value-start_value)/5.74)- last_weight); //关系待测
}
else
{
weight = (float)(((adc_value-start_value)/5.74)); //关系待测
}
write_decimal(0x83,0x86,weight);
}
else if(adc_value<2025)
{
if(peel_flag==2)
{
weight =(float)(((adc_value-start_value)/5.70)- last_weight); //关系待测
}
else
{
weight = (float)(((adc_value-start_value)/5.70)); //关系待测
}
write_decimal(0x83,0x86,weight);
}
else if(adc_value<2350)
{
if(peel_flag==2)
{
weight =(float)(((adc_value-start_value)/5.655)- last_weight); //关系待测
}
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