serial/neo1973_serial.c

   1 /*
   2  *  neo1973_serial.c
   3  *
   4  *  Copyright(C) 2008 Ixonos Plc
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2, or (at your option)
   9  *  any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place, Boston, MA 02111.
  19  */
  20
  21 /*
  22  * Written by
  23  *   Heikki Paajanen
  24  */
  25
  26 #include <termios.h>
  27 #include <fcntl.h>
  28 #include <unistd.h>
  29 #include <string.h>
  30
  31 #include <glib.h>
  32 #include <glib/gstdio.h>
  33
  34 #include "../src/modem.h"
  35 #include "../src/utils.h"
  36
  37 static void neo1973_close_serial (SerialInterface *serial_if, gint fd)
  38 {
  39         return;
  40 }
  41
  42 static const gchar *files[] = {
  43         "/sys/bus/platform/devices/neo1973-pm-gsm.0/download",
  44         "/sys/bus/platform/devices/neo1973-pm-gsm.0/power_on",
  45         "/sys/bus/platform/devices/neo1973-pm-gsm.0/power_on",
  46         "/sys/bus/platform/devices/neo1973-pm-gsm.0/reset",
  47         "/sys/bus/platform/devices/neo1973-pm-gsm.0/reset",
  48         NULL
  49 };
  50 static const gchar *file_contents[] = {
  51         "1",
  52         "0",
  53         "1",
  54         "0",
  55         "1",
  56         NULL
  57 };
  58 static gint neo1973_open_serial (SerialInterface *serial_if, const gchar *device)
  59 {
  60         gint i = 0;
  61         while( files[i] && file_contents[i] ) {
  62                 if( g_file_test(files[i], G_FILE_TEST_IS_REGULAR) ) {
  63                         FILE *f = g_fopen(files[i],"wb");
  64                         if( f ) {
  65                                 gint len = strlen(file_contents[i]);
  66                                 gint written = fwrite (file_contents[i], 1,len , f);
  67                                 if( written < len ) {
  68                                         g_debug("Failed to write file: %s", files[i]);
  69                                 }
  70                                 fclose(f);
  71                                 g_usleep(G_USEC_PER_SEC);
  72                         } else {
  73                                 g_debug("Failed to open file: %s", files[i]);
  74                         }
  75                 }
  76                 i++;
  77         }
  78         g_usleep(G_USEC_PER_SEC);
  79         return gsmd_utils_default_serial_init(device,
  80                                               CS8 | CRTSCTS | CREAD | B115200,
  81                                               B115200);
  82 }
  83
  84 gboolean serial_plugin_init ( SerialInterface *serial_if, ModemInterface *modem )
  85 {
  86         serial_if->priv = modem;
  87         serial_if->open_serial = &neo1973_open_serial;
  88         serial_if->close_serial = &neo1973_close_serial;
  89         return TRUE;
  90 }