Harald Welte | 78861c0 | 2020-05-14 13:28:07 +0200 | [diff] [blame] | 1 | |
| 2 | #include <osmocom/core/application.h> |
| 3 | #include <osmocom/core/logging.h> |
| 4 | #include <osmocom/core/bits.h> |
| 5 | |
| 6 | #include <osmocom/trau/trau_sync.h> |
| 7 | |
| 8 | static void frame_out_cb(void *user_data, const ubit_t *bits, unsigned int num_bits) |
| 9 | { |
| 10 | char *str = user_data; |
| 11 | printf("demux_bits_cb '%s': %s\n", str, osmo_ubit_dump(bits, num_bits)); |
| 12 | } |
| 13 | |
| 14 | static const uint8_t sync_pattern[] = { |
| 15 | 0x00, 0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, |
| 16 | 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, |
| 17 | 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, |
| 18 | 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, |
| 19 | 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, |
| 20 | }; |
| 21 | |
| 22 | #define ASSERT_STATE(fi, x) OSMO_ASSERT(!strcmp(osmo_fsm_inst_state_name(fi), x)) |
| 23 | |
| 24 | static void test_body(void) |
| 25 | { |
| 26 | struct osmo_fsm_inst *fi = osmo_trau_sync_alloc(NULL, "test", frame_out_cb, OSMO_TRAU_SYNCP_16_FR_EFR, "test"); |
| 27 | OSMO_ASSERT(fi); |
| 28 | |
| 29 | printf("\n==> %s\n", __func__); |
| 30 | |
| 31 | ubit_t bits[40*8]; |
| 32 | |
| 33 | /* send some invalid data */ |
| 34 | memset(bits, 0, sizeof(bits)); |
| 35 | osmo_trau_sync_rx_ubits(fi, bits, sizeof(bits)); |
| 36 | osmo_trau_sync_rx_ubits(fi, bits, 23); |
| 37 | |
| 38 | /* first valid frame */ |
| 39 | osmo_pbit2ubit(bits, sync_pattern, sizeof(sync_pattern)*8); |
| 40 | osmo_trau_sync_rx_ubits(fi, bits, sizeof(bits)); |
| 41 | ASSERT_STATE(fi, "FRAME_ALIGNED"); |
| 42 | |
| 43 | /* second valid frame */ |
| 44 | osmo_trau_sync_rx_ubits(fi, bits, sizeof(bits)); |
| 45 | ASSERT_STATE(fi, "FRAME_ALIGNED"); |
| 46 | |
| 47 | /* send wrong frame */ |
| 48 | memset(bits, 1, sizeof(bits)); |
| 49 | osmo_trau_sync_rx_ubits(fi, bits, sizeof(bits)); |
| 50 | ASSERT_STATE(fi, "FRAME_ALIGNED"); |
| 51 | |
| 52 | /* intersperse a valid frame */ |
| 53 | osmo_pbit2ubit(bits, sync_pattern, sizeof(sync_pattern)*8); |
| 54 | osmo_trau_sync_rx_ubits(fi, bits, sizeof(bits)); |
| 55 | |
| 56 | /* second wrong frame - but not consecutive */ |
| 57 | memset(bits, 1, sizeof(bits)); |
| 58 | osmo_trau_sync_rx_ubits(fi, bits, sizeof(bits)); |
| 59 | ASSERT_STATE(fi, "FRAME_ALIGNED"); |
| 60 | |
| 61 | /* third wrong frame - second consecutive */ |
| 62 | osmo_trau_sync_rx_ubits(fi, bits, sizeof(bits)); |
| 63 | ASSERT_STATE(fi, "FRAME_ALIGNED"); |
| 64 | |
| 65 | /* only from third consecutive invalid frame onwards we should loose alignment */ |
| 66 | osmo_trau_sync_rx_ubits(fi, bits, sizeof(bits)); |
| 67 | ASSERT_STATE(fi, "FRAME_ALIGNMENT_LOST"); |
| 68 | } |
| 69 | |
| 70 | |
| 71 | static const struct log_info_cat default_categories[] = { |
| 72 | }; |
| 73 | |
| 74 | const struct log_info log_info = { |
| 75 | .cat = default_categories, |
| 76 | .num_cat = ARRAY_SIZE(default_categories), |
| 77 | }; |
| 78 | |
| 79 | int main(int argc, char **argv) |
| 80 | { |
| 81 | osmo_init_logging2(NULL, NULL); |
Pau Espin Pedrol | 7766e6d | 2020-09-09 15:52:03 +0200 | [diff] [blame] | 82 | log_set_use_color(osmo_stderr_target, 0); |
Harald Welte | 78861c0 | 2020-05-14 13:28:07 +0200 | [diff] [blame] | 83 | osmo_fsm_log_addr(false); |
| 84 | log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_NONE); |
Pau Espin Pedrol | 97cae17 | 2021-02-19 12:50:01 +0100 | [diff] [blame] | 85 | log_set_print_category(osmo_stderr_target, 0); |
| 86 | log_set_print_category_hex(osmo_stderr_target, 0); |
Harald Welte | 78861c0 | 2020-05-14 13:28:07 +0200 | [diff] [blame] | 87 | test_body(); |
| 88 | } |