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2019-03-05coding: check gsm0503_rach_*() resultsMax1-8/+10
Check return value of RACH encode/decode functions and fail test on unexpected results. Change-Id: I41bfa808e3c064a11152e7ce8ee77a01d38a0744 Related: OS#1854
2018-02-26coding: Add BER-reporting RACH decode functionsHarald Welte1-2/+2
For all other decode operations we report the BER, but not for the RACH. This results in osmo-bts-trx not being able to report BER to the higher layers, which is possible on other BTS backends. Let's close this gap by introducing gsm0503_rach_ext_decode_ber() and gsm0503_rach_decode_ber() with the usual n_errors / n_bits_total arguments. Change-Id: I2b1926a37bde860dcfeb0d613eb55a71271928c5
2018-02-08tests: coding_test: Fix compilation with -O0Pau Espin Pedrol1-2/+2
inline keyword is a hint for the compiler to inline the function, but it's not mandatory. If no static or extern is specified, the definition is only visible in the current unit but the identifier still has external linkage. When running with -O0 it seems the compiler (gcc 7.2.1) decides to use the external linkage but at the same time it seems it's not generating the function symbol. Fix it by explicitly stating that we want to use static linking for this function. coding/coding_test.o: In function `test_xcch': libosmocore/tests/coding/coding_test.c:86: undefined reference to `dump_ubits' libosmocore/tests/coding/coding_test.c:87: undefined reference to `dump_sbits' Change-Id: I18018adec05ce1c2ddbca38653311d74c7454ce8
2017-12-11Add functions for extended RACH codingMax2-2/+30759
Add support for extended RACH (11 bit) according 3GPP TS 45.003 ยง5.3.2: * convolutional code with puncturing * encoding/decoding routines * corresponding tests Change-Id: I85a34a82d5cd39a594ee89d91a2338226066ab5d Related: OS#1548
2017-11-30coding test: use OSMO_ASSERTMax1-17/+10
Change-Id: I896d6aaae3c36b87243b7dc270267090dcb44afe
2017-11-28coding test: move bit dump into functionsMax1-123/+48
Change-Id: I65c75e56831420d3daf386ea280c13ae9cb64d1b
2017-11-28coding test: enable debug outputMax2-125/+4293
Change-Id: I1ec23ca3cf0d973c77b8c4e7e23e0e75a4f0a7a3
2017-11-28coding test: cosmetic cleanupMax1-101/+54
* remove duplicate code: use function from libosmocore * use utility function to dump ubits * reformat for easier reading * link against libosmocore Change-Id: I8c31b0954176a2c53305936a025c92a793b6d9b6
2017-03-07libosmocoding: migrate transcoding routines from OsmoBTSVadim Yanitskiy2-0/+522
There are some projects, such as GR-GSM and OsmocomBB, which would benefit from using one shared implementation of GSM 05.03 code. So, this commit introduces a new sub-library called libosmocoding, which (for now) provides GSM, GPRS and EDGE transcoding routines, migrated from OsmoBTS. The original GSM 05.03 code from OsmoBTS was relicensed under GPLv2-or-later with permission of copyright holders (Andreas Eversberg, Alexander Chemeris and Tom Tsou). The following data types are currently supported: - xCCH - PDTCH (CS 1-4 and MCS 1-9) - TCH/FR - TCH/HR - TCH/AFS - RCH/AHS - RACH - SCH Change-Id: I0c3256b87686d878e4e716d12393cad5924fdfa1