diff options
Diffstat (limited to 'gsm-tvoid/src/lib')
| -rw-r--r-- | gsm-tvoid/src/lib/cch.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/gsm-tvoid/src/lib/cch.c b/gsm-tvoid/src/lib/cch.c index 8907a09..8070649 100644 --- a/gsm-tvoid/src/lib/cch.c +++ b/gsm-tvoid/src/lib/cch.c @@ -11,7 +11,7 @@ #include <math.h> #include "burst_types.h" #include "cch.h" -//#include "fire_crc.h" +#include "fire_crc.h" /* * GSM SACCH -- Slow Associated Control Channel @@ -385,6 +385,7 @@ static unsigned char *decode_sacch(GS_CTX *ctx, unsigned char *burst, unsigned i int errors, len, data_size; unsigned char conv_data[CONV_SIZE], iBLOCK[BLOCKS][iBLOCK_SIZE], hl, hn, decoded_data[PARITY_OUTPUT_SIZE]; + FC_CTX fc_ctx; data_size = sizeof ctx->msg; if(datalen) @@ -410,13 +411,9 @@ static unsigned char *decode_sacch(GS_CTX *ctx, unsigned char *burst, unsigned i // If parity check error detected try to fix it. if (parity_check(decoded_data)) { - return NULL; - /* FIXME: impelment fire crc in C */ -#if 0 - fire_crc crc(40, 184); - // fprintf(stderr, "error: sacch: parity error (%d)\n", errors); + FC_init(&fc_ctx, 40, 184); unsigned char crc_result[224]; - if (crc.check_crc(decoded_data, crc_result) == 0) + if (FC_check_crc(&fc_ctx, decoded_data, crc_result) == 0) { errors = -1; DEBUGF("error: sacch: parity error (%d)\n", errors); @@ -425,7 +422,6 @@ static unsigned char *decode_sacch(GS_CTX *ctx, unsigned char *burst, unsigned i memcpy(decoded_data, crc_result, sizeof crc_result); errors = 0; } -#endif } if((len = compress_bits(ctx->msg, data_size, decoded_data, |