136 lines
4.6 KiB
C
136 lines
4.6 KiB
C
/*
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This file is part of g15daemon.
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g15daemon is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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g15daemon is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with g15daemon; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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(c) 2006 Mike Lampard, Philip Lawatsch, and others
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$Revision: 324 $ - $Date: 2007-11-29 02:45:27 +0100 (Thu, 29 Nov 2007) $ $Author: mlampard $
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This daemon listens on localhost port 15550 for client connections,
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and arbitrates LCD display. Allows for multiple simultaneous clients.
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Client screens can be cycled through by pressing the 'L1' key.
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*/
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/* quickndirty g15daemon client example. it just connects and sends a prefab image to the server
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* and remains connected until the user presses enter..
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include "g15daemon_client.h"
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#include "g15logo.h"
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#include <errno.h>
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#include <poll.h>
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#include <libg15.h>
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/* #define TEST_KEYHANDLER */
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int main(int argc, char *argv[])
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{
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int g15screen_fd, retval;
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char lcdbuffer[6880];
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unsigned int keystate;
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if((g15screen_fd = new_g15_screen(G15_PIXELBUF))<0){
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printf("Sorry, cant connect to the G15daemon\n");
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return 5;
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}else
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printf("Connected to g15daemon. sending image\n");
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if(argc<2)
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retval = g15_send(g15screen_fd,(char*)logo_data,6880);
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else {
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memset(lcdbuffer,0,6880);
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memset(lcdbuffer,1,6880/2);
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retval = g15_send(g15screen_fd,(char*)lcdbuffer,6880);
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}
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printf("checking key status - press G1 to exit\n");
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while(1){
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keystate = 0;
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int foo = 0;
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// keystate = g15_send_cmd (g15screen_fd, G15DAEMON_GET_KEYSTATE, foo);
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//while(1){
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recv(g15screen_fd, &keystate, 4, 0);
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if(keystate)
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printf("keystate = %i\n",keystate);
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//}
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// if(keystate & G15_KEY_G1) //G1 key. See libg15.h for details on key values.
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// break;
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/* G2,G3 & G4 change LCD backlight */
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if(keystate & G15_KEY_G2){
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retval = g15_send_cmd (g15screen_fd, G15DAEMON_BACKLIGHT, G15_BRIGHTNESS_DARK);
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}
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if(keystate & G15_KEY_G3){
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retval = g15_send_cmd (g15screen_fd, G15DAEMON_BACKLIGHT, G15_BRIGHTNESS_MEDIUM);
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unsigned char packet[2];
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packet[0] = G15DAEMON_BACKLIGHT|G15_BRIGHTNESS_MEDIUM;
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printf("sent %i bytes\n",send(g15screen_fd, packet, 1, MSG_OOB ));
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}
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if(keystate & G15_KEY_G4){
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retval = g15_send_cmd (g15screen_fd, G15DAEMON_BACKLIGHT, G15_BRIGHTNESS_BRIGHT);
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}
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/*
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retval = g15_send_cmd (g15screen_fd, G15DAEMON_IS_FOREGROUND, foo);
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if(retval)
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printf("Hey, we are in the foreground, Doc\n");
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else
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printf("What dastardly wabbit put me in the background?\n");
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retval = g15_send_cmd (g15screen_fd, G15DAEMON_IS_USER_SELECTED, foo);
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if(retval)
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printf("You wanted me in the foreground, right Doc?\n");
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else
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printf("You dastardly wabbit !\n");
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// if(retval){
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sleep(2);
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retval = g15_send_cmd (g15screen_fd, G15DAEMON_SWITCH_PRIORITIES, foo);
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sleep(2);
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retval = g15_send_cmd (g15screen_fd, G15DAEMON_SWITCH_PRIORITIES, foo);
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// }
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*/
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// sleep(2);
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#ifdef TEST_KEYHANDLER
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/* ok.. request that all G&M keys are passed to us.. */
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retval = g15_send_cmd (g15screen_fd, G15DAEMON_KEY_HANDLER, foo);
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while(1){
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printf("waiting on keystate\n");
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keystate=0;
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retval = recv(g15screen_fd, &keystate , sizeof(keystate),0);
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if(keystate)
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printf("Recieved %i as keystate",keystate);
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}
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#endif
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}
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g15_close_screen(g15screen_fd);
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return 0;
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}
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