| |
| #include <osmocom/core/application.h> |
| #include <osmocom/core/logging.h> |
| #include <osmocom/core/bits.h> |
| |
| #include <osmocom/trau/trau_sync.h> |
| |
| static void frame_out_cb(void *user_data, const ubit_t *bits, unsigned int num_bits) |
| { |
| char *str = user_data; |
| printf("demux_bits_cb '%s': %s\n", str, osmo_ubit_dump(bits, num_bits)); |
| } |
| |
| static const uint8_t sync_pattern[] = { |
| 0x00, 0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, |
| 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, |
| 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, |
| 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, |
| 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, |
| }; |
| |
| #define ASSERT_STATE(fi, x) OSMO_ASSERT(!strcmp(osmo_fsm_inst_state_name(fi), x)) |
| |
| static void test_body(void) |
| { |
| struct osmo_fsm_inst *fi = osmo_trau_sync_alloc(NULL, "test", frame_out_cb, OSMO_TRAU_SYNCP_16_FR_EFR, "test"); |
| OSMO_ASSERT(fi); |
| |
| printf("\n==> %s\n", __func__); |
| |
| ubit_t bits[40*8]; |
| |
| /* send some invalid data */ |
| memset(bits, 0, sizeof(bits)); |
| osmo_trau_sync_rx_ubits(fi, bits, sizeof(bits)); |
| osmo_trau_sync_rx_ubits(fi, bits, 23); |
| |
| /* first valid frame */ |
| osmo_pbit2ubit(bits, sync_pattern, sizeof(sync_pattern)*8); |
| osmo_trau_sync_rx_ubits(fi, bits, sizeof(bits)); |
| ASSERT_STATE(fi, "FRAME_ALIGNED"); |
| |
| /* second valid frame */ |
| osmo_trau_sync_rx_ubits(fi, bits, sizeof(bits)); |
| ASSERT_STATE(fi, "FRAME_ALIGNED"); |
| |
| /* send wrong frame */ |
| memset(bits, 1, sizeof(bits)); |
| osmo_trau_sync_rx_ubits(fi, bits, sizeof(bits)); |
| ASSERT_STATE(fi, "FRAME_ALIGNED"); |
| |
| /* intersperse a valid frame */ |
| osmo_pbit2ubit(bits, sync_pattern, sizeof(sync_pattern)*8); |
| osmo_trau_sync_rx_ubits(fi, bits, sizeof(bits)); |
| |
| /* second wrong frame - but not consecutive */ |
| memset(bits, 1, sizeof(bits)); |
| osmo_trau_sync_rx_ubits(fi, bits, sizeof(bits)); |
| ASSERT_STATE(fi, "FRAME_ALIGNED"); |
| |
| /* third wrong frame - second consecutive */ |
| osmo_trau_sync_rx_ubits(fi, bits, sizeof(bits)); |
| ASSERT_STATE(fi, "FRAME_ALIGNED"); |
| |
| /* only from third consecutive invalid frame onwards we should loose alignment */ |
| osmo_trau_sync_rx_ubits(fi, bits, sizeof(bits)); |
| ASSERT_STATE(fi, "FRAME_ALIGNMENT_LOST"); |
| } |
| |
| |
| static const struct log_info_cat default_categories[] = { |
| }; |
| |
| const struct log_info log_info = { |
| .cat = default_categories, |
| .num_cat = ARRAY_SIZE(default_categories), |
| }; |
| |
| int main(int argc, char **argv) |
| { |
| osmo_init_logging2(NULL, NULL); |
| log_set_use_color(osmo_stderr_target, 0); |
| osmo_fsm_log_addr(false); |
| log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_NONE); |
| log_set_print_category(osmo_stderr_target, 0); |
| log_set_print_category_hex(osmo_stderr_target, 0); |
| test_body(); |
| } |