fixeria has uploaded this change for review. ( https://gerrit.osmocom.org/c/libosmocore/+/35258?usp=email )

Change subject: coding: gsm0503_pdtch_decode(): implement USF decoding for CS1 ......................................................................

coding: gsm0503_pdtch_decode(): implement USF decoding for CS1

This patch brings decoding of the CS1 in consistency with the other three coding schemes, for which we support decoding USF independently.

Change-Id: I61a3628741c0ac68374fc7f077cf3a07e51277c3 --- M src/coding/gsm0503_coding.c 1 file changed, 16 insertions(+), 0 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/58/35258/1

diff --git a/src/coding/gsm0503_coding.c b/src/coding/gsm0503_coding.c index 5b78502..1f409d6 100644 --- a/src/coding/gsm0503_coding.c +++ b/src/coding/gsm0503_coding.c @@ -1042,6 +1042,10 @@ osmo_conv_decode_ber(&gsm0503_xcch, cB, conv, n_errors, n_bits_total);

+ /* the three USF bits d(0),d(1),d(2) are *not* precoded */ + if (usf_p) + *usf_p = (conv[0] << 2) | (conv[1] << 1) | (conv[2] << 0); + rv = osmo_crc64gen_check_bits(&gsm0503_fire_crc40, conv, 184, conv + 184); if (rv)