Holger Hans Peter Freyther | bc5dcb1 | 2012-10-11 08:25:36 +0200 | [diff] [blame] | 1 | /* Subchan Demux syncing test */ |
| 2 | |
| 3 | /* (C) 2012 by Holger Hans Peter Freyther |
Tobias Engel | bcb9531 | 2012-10-12 12:12:07 +0200 | [diff] [blame] | 4 | * (C) 2012 by Tobias Engel |
Holger Hans Peter Freyther | bc5dcb1 | 2012-10-11 08:25:36 +0200 | [diff] [blame] | 5 | * |
| 6 | * All Rights Reserved |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU Affero General Public License as published by |
| 10 | * the Free Software Foundation; either version 3 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU Affero General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU Affero General Public License |
| 19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | #include <osmocom/abis/subchan_demux.h> |
| 24 | #include <osmocom/core/utils.h> |
| 25 | |
| 26 | #include <stdio.h> |
| 27 | #include <string.h> |
| 28 | |
Tobias Engel | bcb9531 | 2012-10-12 12:12:07 +0200 | [diff] [blame] | 29 | static uint8_t test_frames[] = |
| 30 | { |
| 31 | /* (transmission order is from left to right) */ |
| 32 | /* Frame 1 */ |
| 33 | 0, 0, 0, 0, 0, 0, 0, 0, /* sync header: 16 bits zero... */ |
| 34 | 0, 0, 0, 0, 0, 0, 0, 0, |
| 35 | 1, 0, 1, 0, 0, 0, 1, 1, /* ... and 1 bit one (on the left) */ |
| 36 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 37 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 38 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 39 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 40 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 41 | 1, 0, 1, 1, 1, 1, 1, 1, |
| 42 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 43 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 44 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 45 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 46 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 47 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 48 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 49 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 50 | 1, 0, 1, 1, 1, 1, 1, 1, |
| 51 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 52 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 53 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 54 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 55 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 56 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 57 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 58 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 59 | 1, 0, 1, 1, 1, 1, 1, 1, |
| 60 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 61 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 62 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 63 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 64 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 65 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 66 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 67 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 68 | 1, 0, 1, 1, 1, 1, 1, 1, |
| 69 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 70 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 71 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 72 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 73 | /* Frame 2 */ |
| 74 | 0, 0, 0, 0, 0, 0, 0, 0, |
| 75 | 0, 0, 0, 0, 0, 0, 0, 0, |
| 76 | 1, 0, 1, 0, 0, 0, 1, 1, |
| 77 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 78 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 79 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 80 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 81 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 82 | 1, 0, 1, 1, 1, 1, 1, 0, |
| 83 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 84 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 85 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 86 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 87 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 88 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 89 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 90 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 91 | 1, 0, 1, 1, 1, 1, 1, 1, |
| 92 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 93 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 94 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 95 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 96 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 97 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 98 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 99 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 100 | 1, 0, 1, 1, 1, 1, 1, 1, |
| 101 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 102 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 103 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 104 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 105 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 106 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 107 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 108 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 109 | 1, 0, 1, 1, 1, 1, 1, 1, |
| 110 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 111 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 112 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 113 | 1, 1, 1, 1, 1, 1, 1, 0, /* <== This zero-bit could be mistaken for |
| 114 | being the start of the sync header if there |
| 115 | is no check for the following one bit */ |
| 116 | /* Frame 3 */ |
| 117 | 0, 0, 0, 0, 0, 0, 0, 0, |
| 118 | 0, 0, 0, 0, 0, 0, 0, 0, |
| 119 | 1, 0, 1, 0, 0, 0, 1, 1, |
| 120 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 121 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 122 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 123 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 124 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 125 | 1, 0, 1, 1, 1, 1, 1, 0, |
| 126 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 127 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 128 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 129 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 130 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 131 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 132 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 133 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 134 | 1, 0, 1, 1, 1, 1, 1, 1, |
| 135 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 136 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 137 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 138 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 139 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 140 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 141 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 142 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 143 | 1, 0, 1, 1, 1, 1, 1, 1, |
| 144 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 145 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 146 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 147 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 148 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 149 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 150 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 151 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 152 | 1, 0, 1, 1, 1, 1, 1, 1, |
| 153 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 154 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 155 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 156 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 157 | /* Frame 4 */ |
| 158 | 0, 0, 0, 0, 0, 0, 0, 0, |
| 159 | 0, 0, 0, 0, 0, 0, 0, 0, |
| 160 | 1, 0, 1, 0, 0, 0, 1, 1, |
| 161 | 1, 1, 1, 1, 1, 1, 1, 1, |
| 162 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 163 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 164 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 165 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 166 | 1, 0, 1, 1, 1, 1, 1, 0, |
| 167 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 168 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 169 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 170 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 171 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 172 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 173 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 174 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 175 | 1, 0, 1, 1, 1, 1, 1, 1, |
| 176 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 177 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 178 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 179 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 180 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 181 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 182 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 183 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 184 | 1, 0, 1, 1, 1, 1, 1, 1, |
| 185 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 186 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 187 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 188 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 189 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 190 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 191 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 192 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 193 | 1, 0, 1, 1, 1, 1, 1, 1, |
| 194 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 195 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 196 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 197 | 1, 1, 1, 1, 1, 1, 1, 0, |
| 198 | }; |
| 199 | |
| 200 | |
| 201 | |
Holger Hans Peter Freyther | bc5dcb1 | 2012-10-11 08:25:36 +0200 | [diff] [blame] | 202 | static int data_cb(struct subch_demux *demux, int ch, uint8_t *data, int len, void *p) |
| 203 | { |
| 204 | printf("DATA_CB Channel(%d): %s\n", |
| 205 | ch, osmo_hexdump(data, len)); |
| 206 | return 0; |
| 207 | } |
| 208 | |
| 209 | static void test_csd(void) |
| 210 | { |
Tobias Engel | bcb9531 | 2012-10-12 12:12:07 +0200 | [diff] [blame] | 211 | int i; |
| 212 | uint8_t muxbyte; |
Holger Hans Peter Freyther | bc5dcb1 | 2012-10-11 08:25:36 +0200 | [diff] [blame] | 213 | struct subch_demux demux; |
| 214 | memset(&demux, 0, sizeof(demux)); |
| 215 | subch_demux_init(&demux); |
| 216 | |
Tobias Engel | bcb9531 | 2012-10-12 12:12:07 +0200 | [diff] [blame] | 217 | demux.chan_activ = 1; |
Holger Hans Peter Freyther | bc5dcb1 | 2012-10-11 08:25:36 +0200 | [diff] [blame] | 218 | demux.out_cb = data_cb; |
| 219 | |
| 220 | /* Push data into the demuxer and see what happens. */ |
| 221 | printf("Testing the csd sync.\n"); |
| 222 | |
Tobias Engel | bcb9531 | 2012-10-12 12:12:07 +0200 | [diff] [blame] | 223 | for(i = 0; i < sizeof(test_frames); i += 2) { |
| 224 | |
| 225 | muxbyte = 0; |
| 226 | muxbyte |= test_frames[i]; |
| 227 | muxbyte |= (test_frames[i+1] << 1); |
| 228 | |
| 229 | subch_demux_in(&demux, &muxbyte, 1); |
| 230 | } |
| 231 | |
Holger Hans Peter Freyther | bc5dcb1 | 2012-10-11 08:25:36 +0200 | [diff] [blame] | 232 | } |
| 233 | |
| 234 | int main(int argc, char **argv) |
| 235 | { |
| 236 | printf("Testing the subchannel demux.\n"); |
| 237 | |
| 238 | /* run the tests */ |
| 239 | test_csd(); |
| 240 | |
| 241 | printf("No crashes.\n"); |
| 242 | return 0; |
| 243 | } |