GTK测试串口程序，设置9600，8，1，n。_蟲蟲

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GTK测试串口程序，设置9600，8，1，n。

(2010-04-02 00:46:58)

标签：

杂谈

分类： MSN搬家

#include <gtk/gtk.h>
#include <string.h>
#include     <stdio.h>
#include     <stdlib.h>
#include     <unistd.h>
#include     <sys/types.h>
#include     <sys/stat.h>
#include     <fcntl.h>
#include     <termios.h>
#include     <errno.h>

int serial_fd;
int init_serial();
void closeApp ( GtkWidget *window, gpointer data)
{
gtk_main_quit();
}
void send_button_clicked (GtkWidget *button, gpointer data)
{
    const char *send_text = gtk_entry_get_text(GTK_ENTRY((GtkWidget *) data));
    char buf[512];
    memset(buf, '\0', sizeof(buf)/sizeof(buf));
    strcpy(buf,send_text);
    int len = strlen(buf);
    int send_number = write (serial_fd, buf, len);
}
void receive_button_clicked (GtkWidget *button, gpointer data)
{
        int read_number;
        char buffer[512];
        memset(buffer,'\0',sizeof(buffer)/sizeof(char));
        if ( read_number = read(serial_fd, buffer, 512)>0 )
        {
                gtk_entry_set_text(GTK_ENTRY((GtkWidget *)data), buffer);
                memset(buffer,'\0',sizeof(buffer)/sizeof(char));
        }

}

int main (int argc, char *argv[])
{
    init_serial();
GtkWidget *window;
GtkWidget *send_label, *receive_label;
GtkWidget *send_entry, *receive_entry;
GtkWidget *send_button, *receive_button;
GtkWidget *hbox1, *hbox2, *hbox3;
GtkWidget *vbox;
gtk_init(&argc, &argv);
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window), "GtkEntryBox");
gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
gtk_window_set_default_size(GTK_WINDOW(window), 200, 200);
gtk_signal_connect ( GTK_OBJECT (window), "destroy",
                       GTK_SIGNAL_FUNC ( closeApp), NULL);
send_label = gtk_label_new("send:");
receive_label = gtk_label_new("receive:");
send_entry = gtk_entry_new();
receive_entry = gtk_entry_new();
send_button = gtk_button_new_with_label("Send");
    receive_button = gtk_button_new_with_label("Receive");
gtk_signal_connect (GTK_OBJECT (send_button), "clicked",
                      GTK_SIGNAL_FUNC(send_button_clicked), send_entry);
gtk_signal_connect (GTK_OBJECT (receive_button), "clicked",
                      GTK_SIGNAL_FUNC(receive_button_clicked), receive_entry);

hbox1 = gtk_hbox_new ( TRUE, 5 );
hbox2 = gtk_hbox_new ( TRUE, 5 );
    hbox3 = gtk_hbox_new ( TRUE, 5 );
vbox = gtk_vbox_new ( FALSE, 10);
gtk_box_pack_start(GTK_BOX(hbox1), send_label, TRUE, FALSE, 5);
gtk_box_pack_start(GTK_BOX(hbox1), send_entry, TRUE, FALSE, 5);
gtk_box_pack_start(GTK_BOX(hbox2), receive_label, TRUE, FALSE, 5);
gtk_box_pack_start(GTK_BOX(hbox2), receive_entry, TRUE, FALSE, 5);
    gtk_box_pack_start(GTK_BOX(hbox3), send_button, TRUE, FALSE, 5);
    gtk_box_pack_start(GTK_BOX(hbox3), receive_button, TRUE, FALSE, 5);

gtk_box_pack_start(GTK_BOX(vbox), hbox1, FALSE, FALSE, 5);
gtk_box_pack_start(GTK_BOX(vbox), hbox2, FALSE, FALSE, 5);
gtk_box_pack_start(GTK_BOX(vbox), hbox3, FALSE, FALSE, 5);
// read_timer = g_timeout_add(100, read_callback, NULL);
gtk_container_add(GTK_CONTAINER(window), vbox);
gtk_widget_show_all(window);

gtk_main();
return 0;
}

int OpenDev(char *Dev)
{
    int    fd = open( Dev, O_RDWR );         //| O_NOCTTY | O_NDELAY
    if (-1 == fd)
    {
        perror("Can't Open Serial Port");
        return -1;
    }
    else
        return fd;
}
void set_speed(int fd, int speed);
int init_serial(){
    int nread;
    char *dev = "/dev/ttyS0"; //串口
    serial_fd = OpenDev(dev);
    set_speed(serial_fd,9600);
    if (set_Parity(serial_fd,8,1,'N') == FALSE) {
        printf("Set Parity Error\n");
        exit (0);
    }
    return 0;
}

int speed_arr[] = { B38400, B19200, B9600, B4800, B2400, B1200, B300,
                    B38400, B19200, B9600, B4800, B2400, B1200, B300, };
int name_arr[] = {38400, 19200, 9600, 4800, 2400, 1200, 300, 38400,
                    19200, 9600, 4800, 2400, 1200, 300, };
void set_speed(int fd, int speed){
    int   i;
    int   status;
    struct termios   Opt;
    tcgetattr(fd, &Opt);
    for ( i= 0; i < sizeof(speed_arr) / sizeof(int); i++) {
        if (speed == name_arr[i]) {
            tcflush(fd, TCIOFLUSH);
            cfsetispeed(&Opt, speed_arr[i]);
            cfsetospeed(&Opt, speed_arr[i]);
            status = tcsetattr(fd, TCSANOW, &Opt);
            if (status != 0) {
                perror("tcsetattr fd");
                return;
            }
            tcflush(fd,TCIOFLUSH);
        }
    }
}
int set_Parity(int fd,int databits,int stopbits,int parity)
{
    struct termios options;
    if ( tcgetattr( fd,&options) != 0) {
        perror("SetupSerial 1");
        return(FALSE);
    }
    options.c_cflag &= ~CSIZE;
    switch (databits)
    {
    case 7:
        options.c_cflag |= CS7;
        break;
    case 8:
        options.c_cflag |= CS8;
        break;
    default:
        fprintf(stderr,"Unsupported data size\n"); return (FALSE);
    }
switch (parity)
{
    case 'n':
    case 'N':
        options.c_cflag &= ~PARENB;
        options.c_iflag &= ~INPCK;
        break;
    case 'o':
    case 'O':
        options.c_cflag |= (PARODD | PARENB);
        options.c_iflag |= INPCK;
        break;
    case 'e':
    case 'E':
        options.c_cflag |= PARENB;
        options.c_cflag &= ~PARODD;
        options.c_iflag |= INPCK;
        break;
    case 'S':
    case 's':
        options.c_cflag &= ~PARENB;
        options.c_cflag &= ~CSTOPB;break;
    default:
        fprintf(stderr,"Unsupported parity\n");
        return (FALSE);
    }

switch (stopbits)
{
    case 1:
        options.c_cflag &= ~CSTOPB;
        break;
    case 2:
        options.c_cflag |= CSTOPB;
       break;
    default:
         fprintf(stderr,"Unsupported stop bits\n");
         return (FALSE);
}

if (parity != 'n')
    options.c_iflag |= INPCK;
tcflush(fd,TCIFLUSH);
options.c_cc[VTIME] = 150;
options.c_cc[VMIN] = 0;
if (tcsetattr(fd,TCSANOW,&options) != 0)
{
    perror("SetupSerial 3");
    return (FALSE);
}
return (TRUE);
}

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