diff options
| author | Vadim Yanitskiy <vyanitskiy@sysmocom.de> | 2023-12-06 23:01:34 +0700 |
|---|---|---|
| committer | Vadim Yanitskiy <vyanitskiy@sysmocom.de> | 2023-12-06 23:04:40 +0700 |
| commit | 9d15c5539835c35342472c07c6fade7cb88925c9 (patch) | |
| tree | d0a43a4b57bd39f7865804a9bf9ebfb503022d54 | |
| parent | 35cffcb2f35100f1c7f1e36b51c09f64ce8cf58f (diff) | |
gprsdecode: fix decoding of PDCH capturesfixeria/burst_ind_gprs
Change-Id: I2b3f16dc0d4d6022777a193d37cd5806d6bbeb3e
| -rw-r--r-- | src/host/gprsdecode/main.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/src/host/gprsdecode/main.c b/src/host/gprsdecode/main.c index 49484e29..9da8daf7 100644 --- a/src/host/gprsdecode/main.c +++ b/src/host/gprsdecode/main.c @@ -28,6 +28,7 @@ #include <stdbool.h> #include <arpa/inet.h> +#include <osmocom/core/utils.h> #include <osmocom/core/signal.h> #include <osmocom/core/select.h> #include <osmocom/core/application.h> @@ -49,23 +50,23 @@ static struct { static void burst_handle(struct l1ctl_burst_ind *bi) { - uint8_t type, subch, ts; + struct gsm_time rx_time; uint32_t fn; fn = ntohl(bi->frame_nr); - rsl_dec_chan_nr(bi->chan_nr, &type, &subch, &ts); - - switch (type) { - case RSL_CHAN_Bm_ACCHs: - /* FIXME: what is (fn % 13) != 12? */ - /* TODO: use the multiframe layout here */ - if ((ts > 0) && ((fn % 13) != 12)) - process_pdch(bi, app_data.verbose); - break; - default: - /* We are only interested in GPRS messages */ - break; - } + gsm_fn2gsmtime(&rx_time, fn); + + printf("BURST.ind @(%6d = %.4u/%.2u/%.2u): %4d dBm, SNR %3d, %s\n", + rx_time.fn, rx_time.t1, rx_time.t2, rx_time.t3, + rxlev2dbm(bi->rx_level), bi->snr, + rsl_chan_nr_str(bi->chan_nr)); + + if ((bi->chan_nr & RSL_CHAN_NR_MASK) != RSL_CHAN_OSMO_PDCH) + return; /* ignore anything else than PDCH */ + if ((fn % 13) == 12) + return; /* skip IDLE and PTCCH slots */ + + process_pdch(bi, app_data.verbose); } static void print_help(const char *app) |