key-eeprom-lcd.rar_EEPROM LCD_LCD key_pdff

#include"stdio.h" #include"absacc.h" #include"reg51.h" #include "intrins.h" #include"lcd11.h" #define EEPROM_ADDR 0xa0 unsigned long parameter_data[110]; unsigned char menuid; sbit SDA=P3^6; sbit SCL=P3^7; bit ack; void Start_I2c(); void Stop_I2c(); void SendByte(unsigned char c); unsigned char RcvByte(); void Ack_I2c(bit a); bit ISendByte(unsigned char sla,unsigned char c); bit ISendStr(unsigned char sla,unsigned char suba,unsigned char *s,unsigned char no); bit ISendStrBYTE(unsigned char sla,unsigned char suba,unsigned char s); bit IRcvByte(unsigned char sla,unsigned char *c); bit IRcvStr(unsigned char sla,unsigned char suba,unsigned char *s,unsigned char no); bit IRcvStrBYTE(unsigned char sla,unsigned char suba,unsigned char *s); bit parameter_write(unsigned char i2c_addr,unsigned char menuid_num); bit parameter_read(unsigned char i2c_addr,unsigned char menuid_num); struct KEY_DATA_STRUCT Key_scan_struct; void delay(unsigned char ms) { while(ms--); } void Trans_74hc164(unsigned char key_value) { unsigned char temp; unsigned char j; temp=key_value; for(j=0;j<8;j++) { if(temp&0x01) { VRXD=1; VTXD=0; VTXD=1; } else{ VRXD=0; VTXD=0; VTXD=1; } temp=temp>>1; } } void key_scan_init(void) { unsigned char i; for(i=0;i<4;i++) { Key_scan_struct.key_data[i]=0; } Key_scan_struct.key_num=0; for(i=0;i<24;i++) { Key_scan_struct.key_flag[i].up_down_flag=0; Key_scan_struct.key_flag[i].zhixing_flag=0; } } void key_flag_update(unsigned char key_num,unsigned char flag) //当检测到键按下时把键值的按下和执行标志更新。 { unsigned char temp; temp=flag; if(temp!=0) //如果按下了。 { switch(Key_scan_struct.key_flag[key_num].up_down_flag) { case 0: Key_scan_struct.key_flag[key_num].up_down_flag=1; //如果上次检测没按下，这次检测到按下，标志设置为消抖阶段。 break; case 1: Key_scan_struct.key_flag[key_num].up_down_flag=2; //如果上次检测到按下但为消抖阶段，这次检测到按下，标志设置为按下并且执行标志清0。 Key_scan_struct.key_flag[key_num].zhixing_flag=0; break; case 2: Key_scan_struct.key_flag[key_num].up_down_flag=2; //如果上次检测到按下，这次检测到按下，标志还设置为按下。 break; default: break; } }else{ //没按下 Key_scan_struct.key_flag[key_num].up_down_flag=0; Key_scan_struct.key_flag[key_num].zhixing_flag=0; } } unsigned char find_key(void) //程序里查找健值的函数，如果键值数量大于4，返回错误标志0，正常返回1。 { unsigned char m; unsigned char n=0; Key_scan_struct.key_num=0; for(m=0;m<24;m++) { if((Key_scan_struct.key_flag[m].up_down_flag==2)&&(Key_scan_struct.key_flag[m].zhixing_flag==0)) { if(Key_scan_struct.key_num>=4) break; Key_scan_struct.key_data[n++]=m; Key_scan_struct.key_num++; //键值数量增加1； } } return(Key_scan_struct.key_num); //返回键盘 数量； } void LCD_Command(unsigned char nCommand) { unsigned char i; A0=0; RW=0; E1=1; DATA=nCommand; i=TIME; while(--i); E1=0; i=TIME; while(--i); A0=0; RW=0; E2=1; DATA=nCommand; i=TIME; while(--i); E2=0; i=TIME; while(--i); } void LCD_SetRam(unsigned char bChip,unsigned char ndata) { unsigned char i; A0=1; RW=0; if(bChip==1) { E1=1; DATA=ndata; i=TIME; while(--i); E1=0; i=TIME; while(--i); } else { E2=1; DATA=ndata; i=TIME; while(--i); E2=0; i=TIME; while(--i); } } void LCD_Init() { LCD_Reset(); LCD_ON(); LCD_Select32(); LCD_StaticOFF(); LCD_SetStartLine(0); LCD_ADC(0); LCD_SetPage(0); LCD_SetColumn(0); LCD_EndRW(); } void LCD_ZM_Out(unsigned char chip,unsigned char row,unsigned char col,unsigned char *hz_font) { unsigned char i; switch(row) { case 1: LCD_SetColumn(col); LCD_SetPage(0); for(i=0;i<8;i++) { LCD_SetRam(chip,hz_font[i]); } LCD_SetColumn(col); LCD_SetPage(1); for(i=0;i<8;i++) { LCD_SetRam(chip,hz_font[i+8]); } break; case 2: LCD_SetColumn(col); LCD_SetPage(2); for(i=0;i<8;i++) { LCD_SetRam(chip,hz_font[i]); } LCD_SetColumn(col); LCD_SetPage(3); for(i=0;i<8;i++) { LCD_SetRam(chip,hz_font[i+8]); } break; default: break; } } unsigned char *GetTextFont(unsigned char index) { static unsigned char Font[16]; unsigned char i; for(i=0;i<16;i++) Font[i]=ASCII[index][i]; return Font; } unsigned char GetIndex(unsigned char szText) { unsigned char code TAB[]={ '0','1','2','3','4','5','6','7','8','9',' ','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T', 'U','V','W','X','Y','Z','a','b','c','d','e','f','g','h','i','j','k','l','m','n', 'o','p','q','r','s','t','u','v','w','x','y','z', '=','!','@','#','$','%','^','&','*','(',')', '[',']','{','}',':','<','>','?' }; unsigned char i; for(i=0;;i++) if(szText==TAB[i]) return i; return 0x00; } void LCD_number_out(unsigned char chip,unsigned char row,unsigned char col,unsigned long number) { unsigned char *Text,col_temp; unsigned char i,flag,num_buf[4]; /* num_buf[]依次存放千，百，十，个? */ col_temp=col; flag=0; num_buf[0]=number/1000; num_buf[1]=(number%1000)/100; num_buf[2]=((number%1000)%100)/10; num_buf[3]=((number%1000)%100)%10; for(i=0;i<4;i++) { if(num_buf[i]==0) if(flag==0) { Text=GetTextFont(10); /*第10项士崭瘛?*/ LCD_ZM_Out(chip,row,col_temp,Text); col_temp+=8; } else { Text=GetTextFont(0); LCD_ZM_Out(chip,row,col_temp,Text); col_temp+=8; } else { Text=GetTextFont(num_buf[i]); LCD_ZM_Out(chip,row,col_temp,Text); col_temp+=8; flag=1; } } } void LCD_number_only_out(unsigned char chip,unsigned char row,unsigned char col,unsigned long number) { unsigned char *Text; if((number>=0)&(number<=9)) { Text=GetTextFont(number); LCD_ZM_Out(chip,row,col,Text); } } void LCD_number_only_clr(unsigned char chip,unsigned char row,unsigned char col) { unsigned char *Text; Text=GetTextFont(10); LCD_ZM_Out(chip,row,col,Text); } void Printf(unsigned char chip,unsigned char row,unsigned char col,unsigned char *szText) { unsigned char *Text; while(*szText) { Text=GetTextFont(GetIndex(*szText)); LCD_ZM_Out(chip,row,col,Text); szText++; col+=8; } } void LCD_HZ_Out(unsigned char chip,unsigned char row,unsigned char col,unsigned char *hz_font)//汉字显示 { unsigned char i; //row:共分两行，1为 第一行，2为二行，col:为这行个譥font:h这个字的32个//字// unsigned char chip_select; chip_select=chip; switch(row) { case 1: LCD_SetColumn(col); LCD_SetPage(0); for(i=0;i<12;i++) { LCD_SetRam(chip_select,hz_font[i]); } LCD_SetColumn(col); LCD_SetPage(1); for(i=0;i<12;i++) {