嵌入式工程師超長經(jīng)驗(yàn)分享：從單片機(jī)coder到嵌入式programer的簡(jiǎn)單歷程

bit FUN,Shift_on,Add_on,Sub_on,fun_flag;bit dspflagz1,dspflagz2,dspflagz3;unsigned char z1,z2,td3,working,DSP_m,DSP_n;unsigned char l1,l2,r,m;bitflagv,flagy,flags,flag0,flagx,beepflag1,beepflag2,flagt,flagw;bit working_on,function_on, AINTSYR_on,AINTSYW_on,BINTSYR_on,BINTSYW_on ;bitprogram_on,program_woking,up_flag,down_flag,up_on,down_on;unsigned char AINTSY_state, BINTSY_state, function_state;unsigned char tx1,tx2,tx3,tw,TX,t;unsigned char display_state ,x1,x2,w1,w2;unsigned char program_state,program_working;unsigned char clk_number;unsigned char code DS[]={0,33,63,86,100,86,63,33};unsigned chards_curtime[6]={0x05,0x03,0x02,0x01,0x07,0x06};unsigned char clk_data[6]={06,1,1,0,0,1};unsigned char set_time[6];sbit switch_work= 0xB0;sbit switch_function=0xB1;sbit switch_program=0xB2;sbit switch_up=0x90;sbit switch_down=0x91;sbit switch_AINTSYR=0x92;sbit switch_AINTSYW=0x93;sbit switch_BINTSYR=0x94;sbit switch_BINTSYW=0x95;sbit RS=0xA2;sbit RW=0xA1;sbit E=0xA0;sbit CS2=0xA3;sbit CS1=0xA4;sbit DACS1=0xA7;sbit DACS2=0xA6;sbit DACS3=0xA5;sbit ds_sclk=0xB3 ; /*初始化變量*/sbit ds_io=0xB4;sbit ds_rst=0xB5;

//////////////////////////////////////////////////////////////////////////////////////////////////////void text(void){
 bit Flag_add; /*加一標(biāo)志*/ bit Flag_sub; /*減一標(biāo)志*/  unsigned char max_value; /*各時(shí)間單位的最大值*/ unsigned char min_value; /*各時(shí)間單位的最小值*/ /*if(FUN==1) { */ /*定義標(biāo)志位*/ if(switch_work==0) /*移位鍵*/ {  if(Shift_on==0) { Shift_on=1; buzzer(); clk_number++; if(clk_number>6)clk_number=1;  } } else Shift_on=0; if(switch_up==0) /*加一鍵*/ { if(Add_on==0) { Add_on=1; buzzer(); Flag_add=1; } } else Add_on=0; if(switch_down==0) /*減一鍵*/ { if(Sub_on==0) { Sub_on=1; buzzer(); Flag_sub=1; } } else Sub_on=0; switch(clk_number) { case 1: max_value=99;min_value=0;break; case 2: max_value=12;min_value=1;break; case 3: if(clk_data[1]==1|| clk_data[1]==3|| clk_data[1]==5|| clk_data[1]==7|| clk_data[1]==8|| clk_data[1]==10|| clk_data[1]==12) max_value=31; /*1，3，5，7，8，10，12*/ else if( clk_data[1]==4|| clk_data[1]==6|| clk_data[1]==9|| clk_data[1]==11) max_value=30; /*4，6，9，11*/ else if((clk_data[0]%4==0)||clk_data[0]==0)  max_value=29; /*閏年*/ else max_value=28; min_value=1; break; case 4: max_value=23;min_value=0;break; case 5: max_value=59;min_value=0;break; case 6: max_value=7;min_value=1;break; } if(Flag_add==1) { clk_data[clk_number-1]++;  Flag_add=0; if(clk_data[clk_number-1]>max_value) clk_data[clk_number-1]=min_value;  } else if(Flag_sub==1) { clk_data[clk_number-1]--;  Flag_sub=0; if(clk_data[clk_number-1]-1]==0xff) clk_data[clk_number-1]=max_value;  } if(switch_function==0) { if(function_on==0) { function_on=1; FUN=0; buzzer(); function_state=1; fun0_flag=1; set_time[0]=(clk_data[4]/10)*0x10+(clk_data[4]%10); set_time[1]=(clk_data[3]/10)*0x10+(clk_data[3]%10); set_time[2]=(clk_data[2]/10)*0x10+(clk_data[2]%10); set_time[3]=(clk_data[1]/10)*0x10+(clk_data[1]%10); set_time[4]=(clk_data[5]/10)*0x10+(clk_data[5]%10); set_time[5]=(clk_data[0]/10)*0x10+(clk_data[0]%10);

 } } else { function_on=0; } 
}

void check_switch(){ if(FUN==0) { if(switch_work==0) { if(working_on==0) {  working_on=1; buzzer(); if(working==1) { working=0; flag0=0; } else { working=1; flag0=1; } } } else { working_on=0; }
 if(switch_function==0){ if(function_on==0){ function_on=1; buzzer(); program_state=1; if(function_state==1){ function_state=2;
 } else { if(function_state==2){ function_state=3;

 } else { if(function_state==3){ function_state=4; FUN=1; fun1_flag=1; working=0; flagx=1; } else { function_state=1;
 } } } } } else { function_on=0; }
 if(switch_program==0) { if(program_on==0) { program_on=1; buzzer(); program_working=1;
 flagv=1; flagy=1; flagt=1; flagw=1; } } else { program_on=0;
 } if(switch_up==0) { if(up_flag==0) { up_flag=1; up_on=1; buzzer(); } } else { up_flag=0; } if(switch_down==0) { if(down_flag==0) { down_flag=1; down_on=1; buzzer(); } } else { down_flag=0; } if(switch_AINTSYR==0) { if(AINTSYR_on==0) { AINTSYR_on=1; buzzer(); if(AINTSY_state<=63) { AINTSY_state=AINTSY_state+1; }
 } } else { AINTSYR_on=0; }
 if(switch_AINTSYW==0) { if(AINTSYW_on==0) { AINTSYW_on=1; buzzer(); if(AINTSY_state>=1) { AINTSY_state=AINTSY_state-1; }
 } } else { AINTSYW_on=0; }  if(switch_BINTSYR==0) { if(BINTSYR_on==0) { BINTSYR_on=1; buzzer(); if(BINTSY_state<=63) { BINTSY_state=BINTSY_state+1; }
 } } else { BINTSYR_on=0; }
 if(switch_BINTSYW==0) { if(BINTSYW_on==0) { BINTSYW_on=1; buzzer(); if(BINTSY_state>=1) { BINTSY_state=BINTSY_state-1; }
 } } else { BINTSYW_on=0; } } else { text(); }
}

void main(){  init_working();/*初始化程序*/

 start_t0:check_switch();
 prepare_work(); if(fun0_flag==1){ ds_settime(set_time); } display();
 goto start_t0;}

#include"display_leaf.h" //定義了顯示葉子的函數(shù)//字模數(shù)組extern root_canshu[],root_shuju[],root_zhuangtai[],exit[],zhongduancanshu[],fukongcanshu[],celiangdian0[], celiangdian0canshu[],celiangdian1canshu[], celiangdian1[],celiangdian2[],celiangdian3[],zhongduanzhuangtai[],zhuzhantongxin[],fuhekongzhi[] ,tongxincanshu[],gaojingcanshu[],duankoucanshu[],biaoxieyi[],jibencanshu[],gongkongcanshu[] ,diankongcanshu[],dianzijishu[],biaojitongxin[],gongkongfangan[],diankongfangan[],diannengliang[], xuliang[],shunshiliang[],huanyingshiyong[],celiangdian0shuju[],celiangdian1shuju[],celiangdian2shuju[],celiangdian3shuju[];//--------------------------------------------------------------------------//-------------------------------------------// 子界面編號(hào)數(shù)組//-------------------------------------------unsigned char Son0[1] ={1}; //對(duì)應(yīng)界面0unsigned char Son1[4] ={2,3,4,0};unsigned char Son2[5] ={5,6,7,8,1};unsigned char Son3[5] ={9,10,11,12,1};unsigned char Son4[5] ={55,56,57,58,1};unsigned char Son5[5] ={31,32,33,34,2};unsigned char Son6[5] ={35,36,37,38,2};unsigned char Son7[3] ={39,40,2};unsigned char Son8[3] ={41,42,2};unsigned char Son9[4] ={43,44,45,3};unsigned char Son10[4] ={46,47,48,3};unsigned char Son11[4] ={49,50,51,3};unsigned char Son12[4] ={52,53,54,3};//*****************//以下是增加的葉子//*****************
//-----------------------------------------------------------//各個(gè)界面顯示內(nèi)容指針數(shù)組//-----------------------------------------------------------unsigned char *menu_char0[1]={huanyingshiyong};unsigned char *menu_char1[4]={root_canshu,root_shuju,root_zhuangtai,exit}; //各元素枝指向?qū)?yīng)行顯示內(nèi)容的字模數(shù)組unsigned char *menu_char2[5]={zhongduancanshu,fukongcanshu,celiangdian0canshu,celiangdian1canshu,exit};unsigned char *menu_char3[5]={celiangdian0shuju,celiangdian1shuju,celiangdian2shuju,celiangdian3shuju,exit};unsigned char *menu_char4[5]={zhongduanzhuangtai,zhuzhantongxin,biaojitongxin,fuhekongzhi,exit};unsigned char *menu_char5[5]={tongxincanshu,gaojingcanshu,duankoucanshu,biaoxieyi,exit};unsigned char *menu_char6[5]={jibencanshu,gongkongcanshu,diankongcanshu,gongkongfangan,exit};unsigned char *menu_char7[3]={jibencanshu,gaojingcanshu,exit};unsigned char *menu_char8[3]={jibencanshu,gaojingcanshu,exit};unsigned char *menu_char9[4]={diannengliang,xuliang,shunshiliang,exit};unsigned char *menu_char10[4]={diannengliang,xuliang,shunshiliang,exit};unsigned char *menu_char11[4]={diannengliang,xuliang,shunshiliang,exit};unsigned char *menu_char12[4]={diannengliang,xuliang,shunshiliang,exit};
//-----------------------------------------------------------// 各行文字?jǐn)?shù)量//-----------------------------------------------------------unsigned char char_num0[1] = {4};unsigned char char_num1[4] = {2,2,2,2};unsigned char char_num2[5] = {4,4,6,6,2};unsigned char char_num3[5] = {6,6,6,6,2};unsigned char char_num4[5] = {4,4,4,4,2};unsigned char char_num5[5] = {4,4,4,3,2};unsigned char char_num6[5] = {4,4,4,4,2};unsigned char char_num7[3] = {4,4,2};unsigned char char_num8[3] = {4,4,2};unsigned char char_num9[4] = {3,2,3,2};unsigned char char_num10[4] = {3,2,3,2};unsigned char char_num11[4] = {3,2,3,2};unsigned char char_num12[4] = {3,2,3,2};
//-----------------------------------------------------------struct INTERFACE{//當(dāng)前行號(hào)對(duì)應(yīng)子菜單編號(hào)，和反顯行，對(duì)于不需要反顯示的無意義//行號(hào)在每次進(jìn)入新的界面時(shí)清零 unsigned char MAX_ROW_NUM; //該界面的最大行數(shù) unsigned char **MENU_char; //指向一指針數(shù)組，該數(shù)組元素為指向各行顯示內(nèi)容的指針 unsigned char *Son_num; //指向當(dāng)前界面子界面編號(hào)數(shù)組的指針 unsigned char *Row_num; //指向當(dāng)前界面各行文字?jǐn)?shù)量數(shù)組的指針};
struct INTERFACE Windows[13] ={ {1,menu_char0,Son0,char_num0}, {4,menu_char1,Son1,char_num1}, {5,menu_char2,Son2,char_num2}, {5,menu_char3,Son3,char_num3}, {5,menu_char4,Son4,char_num4}, {5,menu_char5,Son5,char_num5}, {5,menu_char6,Son6,char_num6}, {3,menu_char7,Son7,char_num7}, {3,menu_char8,Son8,char_num8}, {4,menu_char9,Son9,char_num9}, {4,menu_char10,Son10,char_num10}, {4,menu_char11,Son11,char_num11}, {4,menu_char12,Son12,char_num12}};

//葉子節(jié)點(diǎn)的數(shù)據(jù)結(jié)構(gòu)struct LEAF{ unsigned char Father_num; //該葉子要返回的父親界面號(hào) void (*Display_leaf)(); //指向該葉子的顯示函數(shù)的指針};struct LEAF leaf[28] ={ {5,display_tongxincanshu}, {5,display_gaojingcanshu}, {5,display_duankoucanshu}, {5,display_biaoxieyi}, {6,display_jibencanshu}, {6,display_gongkongcanshu}, {6,display_diankongcanshu}, {6,display_gongkongfangan}, {7,display_cljibencanshu}, {7,display_clgaojingcanshu}, {8,display_cljibencanshu}, {8,display_clgaojingcanshu}, {9,display_diannengliang}, {9,display_xuliang}, {9,display_shunshiliang}, {10,display_diannengliang}, {10,display_xuliang}, {10,display_shunshiliang}, {11,display_diannengliang}, {11,display_xuliang}, {11,display_shunshiliang}, {12,display_diannengliang}, {12,display_xuliang}, {12,display_shunshiliang}, {4,display_zhongduanzhuangtai}, {4,display_zhuzhantongxinzhuangtai}, {4,display_biaojitongxinzhuangtai},{4,display_fuhekongzhizhuangtai}};
//-----------------------------------------函數(shù)--------------------------------------------------void Display_char(unsigned char,unsigned char ,unsigned char *,unsigned char);void Display_row(unsigned char,unsigned char ,unsigned char ,unsigned char *,unsigned char);void Display_window(unsigned char,unsigned char); //

//-----------------------------------------函數(shù)--------------------------------------------------void Display_char(unsigned char,unsigned char ,unsigned char *,unsigned char);void Display_row(unsigned char,unsigned char ,unsigned char ,unsigned char *,unsigned char);void Display_window(unsigned char,unsigned char); 
//-------------------------------------------------------------------------//功能: 顯示16x16漢字//參數(shù): begneX : 行地址 beginRow:列地址 n: 漢字?jǐn)?shù)量 // s: 顯示內(nèi)容 標(biāo)志寄存器: 是否反顯//調(diào)用: display_Lf() display_Rf()//zkq 2007.06.04//-------------------------------------------------------------------------void display16x16RL(unsigned char beginX,unsigned char beginRow,unsigned char n,unsigned char *s,unsigned char 標(biāo)志寄存器){ unsigned char i; if(標(biāo)志寄存器) { LCD_Write_ComR(0xb8|beginX); LCD_Write_ComR(0x40|0); for(i=0;i<64;i++) { LCD_Write_DatR(0xff); } LCD_Write_ComL(0xb8|beginX); LCD_Write_ComL(0x40|0); for(i=0;i<64;i++) { LCD_Write_DatL(0xff); } LCD_Write_ComR(0xb8|beginX + 1); LCD_Write_ComR(0x40|0); for(i=0;i<64;i++) { LCD_Write_DatR(0xff); } LCD_Write_ComL(0xb8|beginX + 1); LCD_Write_ComL(0x40|0); for(i=0;i<64;i++) { LCD_Write_DatL(0xff); } } for(i=0;i { displayrow(i,beginX,beginRow+i,s,標(biāo)志寄存器); }}
//--------------------------------------------------------------------------------------
void Display_window(unsigned char win_num,unsigned char sel_row){
 unsigned char j,f; if(Windows[win_num].MAX_ROW_NUM < 4) f = Windows[win_num].MAX_ROW_NUM - 1; else f = 3; if(sel_row<4) { for(j=0;j<=f;j++) { if(j==sel_row) display16x16RL(2*j,1,*(Windows[win_num].Row_num + j),*(Windows[win_num].MENU_char + j),1); else  display16x16RL(2*j,1,*(Windows[win_num].Row_num + j),*(Windows[win_num].MENU_char + j),0); } } else if(sel_row<8) { for(j=0;j<=Windows[win_num].MAX_ROW_NUM - 5;j++) { if(j==sel_row%4) display16x16RL(2*j,1,*(Windows[win_num].Row_num + j + 4),*(Windows[win_num].MENU_char + j + 4),1); else  display16x16RL(2*j,1,*(Windows[win_num].Row_num + j + 4),*(Windows[win_num].MENU_char + j + 4),0); }  }}

int main(void){ ....... init_system(); //系統(tǒng)初始化
 InitPassiveSock(); //監(jiān)聽套接字初始化
 pthread_create(&ReceID, NULL, (void *)&RecePross, NULL); //創(chuàng)建接收處理線程
 while(1){ QuerySocketsMsg(); //處理socket ....... } .......}

void init_system(void){ init_para(); // 1 init_serial(); // 2 init_ethernet(); // 3 ......}

/* 套接字結(jié)構(gòu) */typedef struct Sockets { fd_set readfds, writefds, exceptfds; // 1. 要被檢測(cè)的可讀、可寫、例外的套接字集合
 int PmuSock; // 2. PMU規(guī)范套接字 ......
 struct Sockets_Comm *Comm; // 3. 為設(shè)置中每一個(gè)通訊通道建立網(wǎng)絡(luò)接口} Sockets;