嵌入式课程设计源代码

/*** write by Arnold** Time 2011.1.11*/#include <stdlib.h>#include <stdio.h>#include <termio.h>#include <fcntl.h>#include <sys/ioctl.h>#include <unistd.h>#include <sys/types.h>#include <sys/stat.h>#include <termios.h>#include <error.h>#include <string.h>#include <pthread.h>#include <minigui/common.h>#include <minigui/minigui.h>#include <minigui/gdi.h>#include <minigui/window.h>#include <minigui/control.h>#define IDC_BUTTON_SEND 101 //发射按键#define IDC_BUTTON_OPEN 102#define IDC_BUTTON_CLOSE 103#define IDC_RECIEVE_CHARS 104#define IDC_SEND_CHARS 105#define IDC_BUTTON_0 106#define IDC_BUTTON_1 107#define IDC_BUTTON_2 108#define IDC_BUTTON_3 109#define IDC_BUTTON_4 110#define IDC_BUTTON_5 111#define IDC_BUTTON_6 112#define IDC_BUTTON_7 113#define IDC_BUTTON_8 114#define IDC_BUTTON_9 115#define IDC_PROMPT_BAUDRATE 200#define IDC_PROMPT_PORT 201#define IDC_PROMPT_DA TABIT 202#define IDC_PROMPT_STOPBIT 203#define IDC_PROMPT_PARITYBIT 204#define IDC_PROMPT_MESSAGE 205#define IDC_BOX_BAUDRATE 206#define IDC_BOX_PORT 207#define IDC_BOX_DA TABIT 208#define IDC_BOX_STOPBIT 209#define IDC_BOX_PARITYBIT 210int fd;HWND hwnd;/********************对话框定义****************************************/static DLGTEMPLATE DlgMyCom ={WS_BORDER | WS_CAPTION,WS_EX_NONE,0, 0, 800, 480,"MyCom",0, 0,28, NULL,};/*****************定义各类控件**************************************/static CTRLDATA CtrlMyTaste[] ={/*****************定义端口选择的复选框***************************************/ {"static",WS_VISIBLE | SS_LEFT | WS_GROUP,16, 60, 100, 80,IDC_PROMPT_PORT,"串口选择",},{"combobox",WS_VISIBLE | CBS_DROPDOWNLIST | CBS_NOTIFY,100, 60, 100, 30,IDC_BOX_PORT,"串口0",60/*****************定义波特率设置的复选框***************************************/{"static",WS_VISIBLE | SS_LEFT | WS_GROUP,16, 90, 100, 110,IDC_PROMPT_BAUDRATE,"波特率设置",},{"combobox",WS_VISIBLE | CBS_DROPDOWNLIST | CBS_NOTIFY,100, 90, 100, 30,IDC_BOX_BAUDRATE,"115200",60},/**************定义数据位的复选框********************************/ {"static",WS_VISIBLE | SS_LEFT | WS_GROUP,16, 120, 100, 30,IDC_PROMPT_DATABIT,"数据位",},{"combobox",WS_VISIBLE | CBS_DROPDOWNLIST | CBS_NOTIFY,100, 120, 100, 30,IDC_BOX_DATABIT,"8",60},/**************定义停止位的复选框********************************/ {"static",WS_VISIBLE | SS_LEFT | WS_GROUP,16, 150, 100, 30,IDC_PROMPT_STOPBIT,"停止位",{"combobox",WS_VISIBLE | CBS_DROPDOWNLIST | CBS_NOTIFY,100, 150, 100, 30,IDC_BOX_STOPBIT,"1",40},/**************定义奇偶校验位的复选框********************************/ {"static",WS_VISIBLE | SS_LEFT | WS_GROUP,16, 180, 100, 30,IDC_PROMPT_PARITYBIT,"奇偶校验位",},{"combobox",WS_VISIBLE | CBS_DROPDOWNLIST | CBS_NOTIFY,100, 180, 100, 30,IDC_BOX_PARITYBIT,"N",60},/**************************定义打开、关闭串口按钮*****************************/ {"button",WS_VISIBLE | BS_DEFPUSHBUTTON | WS_TABSTOP | WS_GROUP,16, 210, 80, 30,IDC_BUTTON_OPEN,"打开串口",},{"button",WS_VISIBLE | BS_DEFPUSHBUTTON | WS_TABSTOP | WS_GROUP,120, 210, 80, 30,IDC_BUTTON_CLOSE,"关闭串口",},/***********************定义信息显示模块**********2***********************/"static",WS_VISIBLE | SS_LEFT | WS_GROUP,16, 30, 150, 20,IDC_PROMPT_MESSAGE,"等待.....................",},/**************************定义发送接收按钮*****************************/ {"button",WS_VISIBLE | BS_DEFPUSHBUTTON | WS_TABSTOP | WS_GROUP,146, 270, 50, 30,IDC_BUTTON_SEND,"发送",},/***********************定义数据显示模块***********************************/ {"static",WS_VISIBLE,280, 30, 200, 370,IDC_STATIC,"接收数据",},{CTRL_MLEDIT,WS_VISIBLE | WS_BORDER | WS_VSCROLL | ES_BASELINE | ES_AUTOWRAP,280, 50, 180,350,IDC_RECIEVE_CHARS,"",},{"static",WS_VISIBLE,16, 280, 200, 120,IDC_STATIC,"发送数据",},{CTRL_MLEDIT,WS_VISIBLE | WS_BORDER | WS_VSCROLL | ES_BASELINE | ES_AUTOWRAP,16, 300, 180,100,IDC_SEND_CHARS,"",},/***********************定义键盘***********************************/ {"button",WS_VISIBLE | BS_DEFPUSHBUTTON | WS_TABSTOP | WS_GROUP,530, 280, 30, 30,IDC_BUTTON_0,"0",},{"button",WS_VISIBLE | BS_DEFPUSHBUTTON | WS_TABSTOP | WS_GROUP,500, 310, 30, 30,IDC_BUTTON_1,"1",},{"button",WS_VISIBLE | BS_DEFPUSHBUTTON | WS_TABSTOP | WS_GROUP,530, 310, 30, 30,IDC_BUTTON_2,"2",},{"button",WS_VISIBLE | BS_DEFPUSHBUTTON | WS_TABSTOP | WS_GROUP,560, 310, 30, 30,IDC_BUTTON_3,"3",},{"button",WS_VISIBLE | BS_DEFPUSHBUTTON | WS_TABSTOP | WS_GROUP,500, 340, 30, 30,IDC_BUTTON_4,"4",},{"button",WS_VISIBLE | BS_DEFPUSHBUTTON | WS_TABSTOP | WS_GROUP,530, 340, 30, 30,IDC_BUTTON_5,"5",},{"button",WS_VISIBLE | BS_DEFPUSHBUTTON | WS_TABSTOP | WS_GROUP,560, 340, 30, 30,IDC_BUTTON_6,"6",},{"button",WS_VISIBLE | BS_DEFPUSHBUTTON | WS_TABSTOP | WS_GROUP,500, 370, 30, 30,IDC_BUTTON_7,"7",},{"button",WS_VISIBLE | BS_DEFPUSHBUTTON | WS_TABSTOP | WS_GROUP,530, 370, 30, 30,IDC_BUTTON_8,"8",},{"button",WS_VISIBLE | BS_DEFPUSHBUTTON | WS_TABSTOP | WS_GROUP,560, 370, 30, 30,IDC_BUTTON_9,"9",},};/*****************打开设备**************************************/int OpenDevice(char *Dev){int fd = open( Dev, O_RDWR ); //打开你选择的端口if (-1 == fd){perror("Can't Open Serial Port"); //设备打开失败return -1;}else{printf("Open Serial Port:%s\n",Dev);return fd;}}/*****************设置波特率**************************************/int set_speed(int fd, int speed){int i;int status;int speed_arr[] = {B115200, B57600, B38400, B19200, B9600, B4800, B2400, B300};int name_arr[] = {115200, 57600, 38400, 19200, 9600, 4800, 2400, 300};struct termios options;bzero(&options, sizeof(options));tcgetattr(fd,&options); // 得到当前串口的参数for (i = 0; i < sizeof(speed_arr)/sizeof(int); i++){if (speed == name_arr[i]){tcflush(fd, TCIOFLUSH);cfsetispeed(&options, speed_arr[i]); //设置输入波特率cfsetospeed(&options, speed_arr[i]); //设置输出波特率status = tcsetattr(fd, TCSANOW, &options);//printf("status=%d\n",status);if (status != 0){perror("tcsetattr fd");return(-1);}}options.c_cflag |= (CLOCAL | CREAD); // 使能接收并使能本地状态tcflush(fd, TCIOFLUSH);}return 0;}/*****************设置奇偶检验**************************************/int set_Parity(int fd, char databits, char stopbits, char parity){struct termios options;if(tcgetattr(fd,&options)!=0){perror("Setup Serial Port");return -1;}options.c_cflag &= ~CSIZE;//--------------------------这里要设置数据位------------------------------------------------------ switch (databits){case '7':options.c_cflag |= CS7;break;case '8':options.c_cflag |= CS8;break;default:fprintf(stderr,"Unsupported data size\n");return -1;}//--------------------------这里要设置停止位------------------------------------------------------ switch (stopbits){case '1':options.c_cflag &= ~CSTOPB;break;case '2':options.c_cflag |= CSTOPB;break;default:fprintf(stderr,"Unsupported stop bits\n");return -1;}//--------------------------这里要设置奇偶检验位------------------------------------------------------ switch (parity){case 'n':case 'N': /* no parity*/options.c_cflag &= ~PARENB; // Clear parity enableoptions.c_iflag &= ~INPCK; // Disnable input parity checkingbreak;case 'o':case 'O':options.c_cflag |= (PARODD | PARENB); // ......options.c_iflag |= INPCK; // Enable input parity checkingbreak;case 'e':case 'E':options.c_cflag |= PARENB; // Enable parityoptions.c_cflag &= ~PARODD; // ......options.c_iflag |= INPCK; // Enable input parity checkingbreak;case 'S':case 's': /*as no parity*/options.c_cflag &= ~PARENB;options.c_cflag &= ~CSTOPB;break;default:fprintf(stderr,"Unsupported parity\n");return -1;}if (parity != 'n')options.c_iflag |= INPCK;options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG); // 原始数据输入,非正规模式options.c_oflag &= ~(OPOST);/*************************设置等待时间和最小接收字符********************************/options.c_cc[VTIME] = 100; // 20 secondsoptions.c_cc[VMIN] = 0;tcflush(fd,TCIFLUSH); // 处理未接收的字符tcsetattr(fd,TCSANOW,&options); // 激活新配置if(tcsetattr(fd,TCSANOW,&options)!=0){perror("Setup Serial Port");return -1;}//printf("初始化..........\n");return 0;}/*读串口线程*/void ReadThread(void* arg){int nread;char readdata[1024];char str[1024];while(1){sleep(1);//printf("\nnow it begain to read words.\n");memset(&readdata,0,1024);nread = read(fd,readdata,1024);if(nread==-1){printf("Read Serial Port Failed\n");}//printf("readdata:%s\n",str);GetWindowText (GetDlgItem (GetParent (hwnd), IDC_RECIEVE_CHARS),str,strlen(str));memcpy(&str[strlen(str)],&readdata,strlen(readdata));//printf("readdata:%s\n",str);SetWindowText (GetDlgItem (GetParent (hwnd), IDC_RECIEVE_CHARS),str);//SetWindowText (GetDlgItem (GetParent (hwnd), IDC_RECIEVE_CHARS),readdata);}}/*键盘处理程序*/void ButtonDown(int id){char button_data;int length;char str[1024];button_data=id-58;GetWindowText (GetDlgItem (GetParent (hwnd), IDC_SEND_CHARS),str,strlen(str));length=strlen(str);str[length]=button_data;str[length+1]='\0';SetWindowText (GetDlgItem (GetParent (hwnd), IDC_SEND_CHARS),str);}/*用于定义动态显示，其中id为各个控件的id号，nc为控件的状态如：按下，选中等，控件id要与对应显示位置对应*/static void my_notif_proc (HWND hwnd1, int id, int nc, DWORD add_data){struct termios oldtio, newtio;char READ_BAUDRA TE[8];char speed[8][8]={"115200","57600", "38400", "19200", "9600", "4800", "2400", "300"};int name_arr[8] = {115200, 57600, 38400, 19200, 9600, 4800, 2400, 300};char READ_PORT[8];char PORT[2][8]={"串口0","串口1"};char dev[2][12]={"/dev/tq2440_serial0","/dev/tq2440_serial1"};char READ_DATABIT[8];char DATABIT[2][8]={"8","7"};char DATALEN[2]={8,7};char databits;char READ_STOPBIT[8];char STOPBIT[2][8]={"1","2"};char STOPLEN[2]={1,2};char stopbits;char READ_PARITY[8];char PARITYBIT[4][8]={"None","Odd","Even","Space"};char PARITYSTYLE[4]={'N','O','E','S'};char parity;int i,j,nwrite;char str[1024];pthread_t thread_id;hwnd=hwnd1;switch (id){case IDC_BUTTON_OPEN:/*选择端口*/GetWindowText (GetDlgItem (GetParent (hwnd1), IDC_BOX_PORT),READ_PORT,sizeof(READ_PORT));for(i = 0; i < 2; i++)for(j =0; PORT[i][j]==READ_PORT[j] && j<6;j++){if(j == 5){//fd = OpenDevice(dev[i]);fd = OpenDevice("/dev/tq2440_serial0");}}/*设置波特率*/GetWindowText (GetDlgItem (GetParent (hwnd1), IDC_BOX_BAUDRA TE),READ_BAUDRATE,sizeof(READ_BAUDRATE));for(i = 0; i < 8; i++)for(j =0; speed[i][j]==READ_BAUDRA TE[j] && j<8;j++){if(j==2){set_speed(fd,name_arr[i]);//printf("BAUDRATE=%s\n",READ_BAUDRATE);}}/*设置数据位、停止位、奇偶检验*/GetWindowText (GetDlgItem (GetParent (hwnd1), IDC_PROMPT_DATABIT),READ_DA TABIT,sizeof(READ_DATABIT));for(i = 0; i < 8; i++)for(j =0; DATABIT[i][j]==READ_DATABIT[j] && j<8;j++){if(j==1){databits=DATALEN[i];//printf("DATABIT=%c\n",databits);}}GetWindowText (GetDlgItem (GetParent (hwnd1), IDC_PROMPT_STOPBIT),READ_STOPBIT,sizeof(READ_STOPBIT));for(i = 0; i < 8; i++)for(j =0; STOPBIT[i][j]==READ_STOPBIT[j] && j<8;j++){if(j==1){stopbits=STOPLEN[i];//printf("STOPBIT=%c\n",stopbits);}}GetWindowText (GetDlgItem (GetParent (hwnd1), IDC_PROMPT_PARITYBIT),READ_PARITY,sizeof(READ_PARITY));for(i = 0; i < 8; i++)for(j =0; PARITYBIT[i][j]==READ_PARITY[j] && j<8;j++){if(j==2){parity=PARITYSTYLE[i];//printf("PARITYBIT=%c\n",parity);}}set_Parity(fd, databits, stopbits, parity);if(pthread_create(&thread_id, NULL, (void*)ReadThread, NULL) !=0)//创建读串口线程printf("ReadThread_create is failed!\n");//pthread_join(thread_id, NULL);break;case IDC_BUTTON_CLOSE:close(fd);printf("Close Serial Port\n");break;case IDC_BUTTON_SEND:GetWindowText (GetDlgItem (GetParent (hwnd1), IDC_SEND_CHARS),str,1024);//printf("%s\n",str);nwrite=write(fd, str, strlen(str));if(nwrite==-1){printf("Write Serial Port Failed\n");close(fd);}else ;//printf("String length=%d ,Writed length=%d\n",strlen(str),nwrite);break;case IDC_BUTTON_0:ButtonDown(IDC_BUTTON_0);break;case IDC_BUTTON_1:ButtonDown(IDC_BUTTON_1);break;case IDC_BUTTON_2:ButtonDown(IDC_BUTTON_2);break;case IDC_BUTTON_3:ButtonDown(IDC_BUTTON_3);break;case IDC_BUTTON_4:ButtonDown(IDC_BUTTON_4);break;case IDC_BUTTON_5:ButtonDown(IDC_BUTTON_5);break;case IDC_BUTTON_6:ButtonDown(IDC_BUTTON_6);break;case IDC_BUTTON_7:ButtonDown(IDC_BUTTON_7);break;case IDC_BUTTON_8:ButtonDown(IDC_BUTTON_8);break;case IDC_BUTTON_9:ButtonDown(IDC_BUTTON_9);break;default: break;}}//----------------------对话框回调函数-----------------------------------------------static int DialogBoxProc2 (HWND hDlg, int message, WPARAM wParam, LPARAM lParam) {int i;switch (message) {case MSG_INITDIALOG:printf("init dialog\n");{for (i = IDC_BUTTON_SEND; i <= IDC_BUTTON_9; i++)SetNotificationCallback (GetDlgItem (hDlg, i), my_notif_proc);}/*端口选择*/SendDlgItemMessage(hDlg, IDC_BOX_PORT, CB_ADDSTRING, 0, (LPARAM)"串口0");SendDlgItemMessage(hDlg, IDC_BOX_PORT, CB_ADDSTRING, 0, (LPARAM)"串口1");/*波特率设置*/SendDlgItemMessage(hDlg, IDC_BOX_BAUDRATE, CB_ADDSTRING, 0, (LPARAM) "115200");SendDlgItemMessage(hDlg, IDC_BOX_BAUDRATE, CB_ADDSTRING, 0, (LPARAM) "57600");SendDlgItemMessage(hDlg, IDC_BOX_BAUDRATE, CB_ADDSTRING, 0, (LPARAM) "38400");SendDlgItemMessage(hDlg, IDC_BOX_BAUDRATE, CB_ADDSTRING, 0, (LPARAM) "19200");SendDlgItemMessage(hDlg, IDC_BOX_BAUDRATE, CB_ADDSTRING, 0, (LPARAM) "9600");SendDlgItemMessage(hDlg, IDC_BOX_BAUDRATE, CB_ADDSTRING, 0, (LPARAM) "4800");SendDlgItemMessage(hDlg, IDC_BOX_BAUDRATE, CB_ADDSTRING, 0, (LPARAM) "2400");SendDlgItemMessage(hDlg, IDC_BOX_BAUDRATE, CB_ADDSTRING, 0, (LPARAM) "300");/*奇偶校验位*/SendDlgItemMessage(hDlg, IDC_BOX_PARITYBIT, CB_ADDSTRING, 0, (LPARAM)"None");SendDlgItemMessage(hDlg, IDC_BOX_PARITYBIT, CB_ADDSTRING, 0, (LPARAM)"Odd");SendDlgItemMessage(hDlg, IDC_BOX_PARITYBIT, CB_ADDSTRING, 0, (LPARAM)"Even");SendDlgItemMessage(hDlg, IDC_BOX_PARITYBIT, CB_ADDSTRING, 0, (LPARAM)"Space");/* 加入数据位*/SendDlgItemMessage(hDlg, IDC_BOX_DATABIT, CB_ADDSTRING, 0, (LPARAM)"8");SendDlgItemMessage(hDlg, IDC_BOX_DATABIT, CB_ADDSTRING, 0, (LPARAM)"7");/* 加入停止位*/SendDlgItemMessage(hDlg, IDC_BOX_STOPBIT, CB_ADDSTRING, 0,(LPARAM)"0");SendDlgItemMessage(hDlg, IDC_BOX_STOPBIT, CB_ADDSTRING, 0,(LPARAM) "1");return 1;case MSG_COMMAND:switch (wParam) {case IDOK:break;case IDCANCEL: //窗口关闭消息时，销毁对话框，控件EndDialog (hDlg, wParam); //退出对话框break;}break;};return DefaultDialogProc (hDlg, message, wParam, lParam);//对话框缺省消息返回。