| /* Subchan Demux syncing test */ |
| |
| /* (C) 2012 by Holger Hans Peter Freyther |
| * (C) 2012 by Tobias Engel |
| * |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Affero General Public License as published by |
| * the Free Software Foundation; either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU Affero General Public License for more details. |
| * |
| * You should have received a copy of the GNU Affero General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| * |
| */ |
| |
| #include <osmocom/abis/subchan_demux.h> |
| #include <osmocom/core/utils.h> |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| static uint8_t test_frames[] = |
| { |
| /* (transmission order is from left to right) */ |
| /* Frame 1 */ |
| 0, 0, 0, 0, 0, 0, 0, 0, /* sync header: 16 bits zero... */ |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 1, 0, 1, 0, 0, 0, 1, 1, /* ... and 1 bit one (on the left) */ |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 0, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 0, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 0, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 0, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| /* Frame 2 */ |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 1, 0, 1, 0, 0, 0, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 0, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 0, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 0, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 0, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, /* <== This zero-bit could be mistaken for |
| being the start of the sync header if there |
| is no check for the following one bit */ |
| /* Frame 3 */ |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 1, 0, 1, 0, 0, 0, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 0, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 0, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 0, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 0, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| /* Frame 4 */ |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 1, 0, 1, 0, 0, 0, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 0, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 0, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 0, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 0, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| 1, 1, 1, 1, 1, 1, 1, 0, |
| }; |
| |
| |
| |
| static int data_cb(struct subch_demux *demux, int ch, uint8_t *data, int len, void *p) |
| { |
| printf("DATA_CB Channel(%d): %s\n", |
| ch, osmo_hexdump(data, len)); |
| return 0; |
| } |
| |
| static void test_csd(void) |
| { |
| int i; |
| uint8_t muxbyte; |
| struct subch_demux demux; |
| memset(&demux, 0, sizeof(demux)); |
| subch_demux_init(&demux); |
| |
| demux.chan_activ = 1; |
| demux.out_cb = data_cb; |
| |
| /* Push data into the demuxer and see what happens. */ |
| printf("Testing the csd sync.\n"); |
| |
| for(i = 0; i < sizeof(test_frames); i += 2) { |
| |
| muxbyte = 0; |
| muxbyte |= test_frames[i]; |
| muxbyte |= (test_frames[i+1] << 1); |
| |
| subch_demux_in(&demux, &muxbyte, 1); |
| } |
| |
| } |
| |
| int main(int argc, char **argv) |
| { |
| printf("Testing the subchannel demux.\n"); |
| |
| /* run the tests */ |
| test_csd(); |
| |
| printf("No crashes.\n"); |
| return 0; |
| } |