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)
--
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: I61a3628741c0ac68374fc7f077cf3a07e51277c3
Gerrit-Change-Number: 35258
Gerrit-PatchSet: 1
Gerrit-Owner: fixeria <vyanits...@sysmocom.de>
Gerrit-MessageType: newchange
