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-rw-r--r--gsm-tvoid/src/lib/cch.c12
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,
personal git repositories of Harald Welte. Your mileage may vary