PWM.zip_brass2s3_pwm_pwm stm32_rocketepr_zip

#include <reg52.h> #include <intrins.h> #include"LCD1602.h" #include"HX711.h" void Delay_ms(unsigned int n) ; void Get_Maopi(); void Get_Weight(); unsigned char KEY_Scan(); unsigned long HX711_Buffer = 0; unsigned long Weight_Maopi = 0,Weight_Shiwu = 0; char Price_Count = 0; unsigned char KEY_NUM = 0; unsigned char Price_Buffer[3] = {0x00,0x00,0x00}; unsigned long Money = 0; bit Flag_OK = 0,Flag_OK1 = 0; unsigned int num; void Delay_ms(unsigned int n) { unsigned int i,j; for(i=0;i<n;i++) for(j=0;j<123;j++); } void main() { num=0; Init_LCD1602(); //初始化LCD1602 LCD1602_write_com(0x80); LCD1602_write_word("Welcome to use! "); //指针设置 //开机画面第一行 Delay_ms(2000); loop: //延时2s loop1:Price_Count = 0; Price_Buffer[0] = 0; Price_Buffer[1] = 0; Price_Buffer[2] = 0; Flag_OK1 = 0; Flag_OK = 0; LCD1602_write_com(0x80); LCD1602_write_word(" WEI |PRI| MON "); LCD1602_write_com(0x80+0x40); LCD1602_write_word("0.000| . | . "); Get_Maopi(); //称毛皮重量 //指针设置 while(1) { LCD1602_write_com(0x80+ 0x10); LCD1602_write_word(" WEI |PRI| MON "); // for(num=0;num<=16;num++) // { // // LCD1602_write_com(0x1C); // Delay_ms(1000); // } Get_Weight(); Delay_ms(200); if(Weight_Shiwu > 5000) { Flag_OK1 = 1; Flag_OK = 1 ; } if( Flag_OK1 == 1) { unsigned int i,j; for(i=0;i<32;i++) { LCD1602_write_com(0x01); Delay_ms(10); LCD1602_write_com(0x80); LCD1602_write_word(" OVERWEIGHT "); LCD1602_write_com(0x80+0x40+ num); LCD1602_write_word("!!!!!!!!!!!! "); Delay_ms(200); num++; if(num>16) {num=0;} } Weight_Shiwu = 0; goto loop; } if( Flag_OK == 0) { Get_Weight(); //称重 LCD1602_write_com(0x80+0x40); LCD1602_write_data(Weight_Shiwu/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); } KEY_NUM = KEY_Scan(); if( KEY_NUM != 0x55) { if(KEY_NUM == 16) { Get_Maopi(); Price_Count = 0; Price_Buffer[0] = 0; Price_Buffer[1] = 0; Price_Buffer[2] = 0; Flag_OK1 = 0; Flag_OK = 0; goto loop1; } if(KEY_NUM == 13) { Money=Price_Buffer[0]*100+Price_Buffer[1]*10+Price_Buffer[2]; Money=Money*Weight_Shiwu/100; LCD1602_write_com(0x80+0x40+11); LCD1602_write_data(Money/1000+0x30); LCD1602_write_data(Money%1000/100+0x30); LCD1602_write_data('.'); LCD1602_write_data(Money%100/10+0x30); LCD1602_write_data(Money%10+0x30); Flag_OK=1; //数字D键，计算总价 } if(KEY_NUM >= 0 && KEY_NUM <= 9) { Price_Buffer[Price_Count] = KEY_NUM; //显示输入的价值 switch(Price_Count) { case 0: LCD1602_write_com(0x80+0x40+6); LCD1602_write_data(Price_Buffer[0] + 0x30); break; case 1: LCD1602_write_com(0x80+0x40+7); LCD1602_write_data(Price_Buffer[1] + 0x30); break; case 2: LCD1602_write_com(0x80+0x40+9); LCD1602_write_data(Price_Buffer[2] + 0x30); break; default : break; } Price_Count++; if( Price_Count > 3) { Price_Count = 0; } } } } } //矩阵键盘 unsigned char KEY_Scan() { unsigned char temp=0; unsigned char com=0x55,com1=0,com2=0; P1=0xf0; if(P1!=0xf0) {com1=P1; P1=0x0f; com2=P1; } P1=0xf0; while(P1!=0xf0); temp=com1|com2; if(temp==0xee)com=1; if(temp==0xed)com=4; if(temp==0xeb)com=7; if(temp==0xe7)com=16; if(temp==0xde)com=2; if(temp==0xdd)com=5; if(temp==0xdb)com=8; if(temp==0xd7)com=0; if(temp==0xbe)com=3; if(temp==0xbd)com=6; if(temp==0xbb)com=9; if(temp==0xb7)com=13; return(com); } void Get_Weight() { HX711_Buffer = HX711_Read(); HX711_Buffer = HX711_Buffer/100; if(HX711_Buffer > Weight_Maopi) { Weight_Shiwu = HX711_Buffer; Weight_Shiwu = Weight_Shiwu - Weight_Maopi; //获取实物的AD采样数值。 Weight_Shiwu = (unsigned int)((float)Weight_Shiwu/3.70+0.05); //计算实物的实际重量 } } void Get_Maopi() { HX711_Buffer = HX711_Read(); Weight_Maopi = HX711_Buffer/100; }