Yavor Goulishev | 3aa430d | 2011-05-23 11:54:45 -0700 | [diff] [blame] | 1 | /** |
| 2 | * \file reset.c |
| 3 | * Example program that resets the device. |
| 4 | * |
| 5 | * Copyright (C) 2007 Linus Walleij <triad@df.lth.se> |
| 6 | * |
| 7 | * This library is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Lesser General Public |
| 9 | * License as published by the Free Software Foundation; either |
| 10 | * version 2 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This library is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * Lesser General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Lesser General Public |
| 18 | * License along with this library; if not, write to the |
| 19 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 20 | * Boston, MA 02111-1307, USA. |
| 21 | */ |
| 22 | #include "common.h" |
| 23 | |
| 24 | /** |
| 25 | * Returns 0 if OK (yes), 1 if not OK (no) |
| 26 | */ |
| 27 | static int prompt() |
| 28 | { |
| 29 | char buff[2]; |
| 30 | |
| 31 | while (1) { |
| 32 | fprintf(stdout, "> "); |
| 33 | if ( fgets(buff, sizeof(buff), stdin) == NULL ) { |
| 34 | if (ferror(stdin)) { |
| 35 | fprintf(stderr, "File error on stdin\n"); |
| 36 | } else { |
| 37 | fprintf(stderr, "EOF on stdin\n"); |
| 38 | } |
| 39 | return 1; |
| 40 | } |
| 41 | if (buff[0] == 'y') { |
| 42 | return 0; |
| 43 | } else if (buff[0] == 'n') { |
| 44 | return 1; |
| 45 | } |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | int main (int argc, char **argv) |
| 50 | { |
| 51 | LIBMTP_mtpdevice_t *device; |
| 52 | int ret; |
| 53 | |
| 54 | fprintf(stdout, "libmtp version: " LIBMTP_VERSION_STRING "\n\n"); |
| 55 | |
| 56 | LIBMTP_Init(); |
| 57 | device = LIBMTP_Get_First_Device(); |
| 58 | if (device == NULL) { |
| 59 | printf("No devices.\n"); |
| 60 | return 0; |
| 61 | } |
| 62 | |
| 63 | printf("I will now reset your device. This means that\n"); |
| 64 | printf("the device may go inactive immediately and may report errors.\n"); |
| 65 | printf("Continue? (y/n)\n"); |
| 66 | if (prompt() == 0) { |
| 67 | ret = LIBMTP_Reset_Device(device); |
| 68 | } else { |
| 69 | printf("Aborted.\n"); |
| 70 | ret = 0; |
| 71 | } |
| 72 | |
| 73 | if ( ret != 0 ) { |
| 74 | printf("Failed to reset device.\n"); |
| 75 | LIBMTP_Dump_Errorstack(device); |
| 76 | LIBMTP_Clear_Errorstack(device); |
| 77 | LIBMTP_Release_Device(device); |
| 78 | return 1; |
| 79 | } |
| 80 | |
| 81 | // It is not possible to release the device after successful reset! |
| 82 | // LIBMTP_Release_Device(device); |
| 83 | printf("OK.\n"); |
| 84 | return 0; |
| 85 | } |