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Revert wrong change

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This commit is contained in:
Carles Fernandez 2018-08-16 22:43:56 +02:00
parent a2de137864
commit ec1b600077
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GPG Key ID: 4C583C52B0C3877D
1 changed files with 37 additions and 36 deletions
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9
src/algorithms/telemetry_decoder/libs/libswiftcnav/cnav_msg.c
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@ -30,6 +30,7 @@
*/ */
#include "edc.h" #include "edc.h"
#include "bits.h" #include "bits.h"
#include "cnav_msg.h" #include "cnav_msg.h"
@ -56,9 +57,9 @@
*/ */
/** GPS L2C preamble */ /** GPS L2C preamble */
const u32 GPS_CNAV_PREAMBLE1 = 0x989A73u; #define GPS_CNAV_PREAMBLE1 (0b10001011u)
/** Inverted GPS L2C preamble */ /** Inverted GPS L2C preamble */
const u32 GPS_CNAV_PREAMBLE2 = 0x010F054u; #define GPS_CNAV_PREAMBLE2 (0b01110100u)
/** GPS L2C preamble length in bits */ /** GPS L2C preamble length in bits */
#define GPS_CNAV_PREAMBLE_LENGTH (8) #define GPS_CNAV_PREAMBLE_LENGTH (8)
/** GPS L2C CNAV message length in bits */ /** GPS L2C CNAV message length in bits */
@ -200,8 +201,7 @@ static void _cnav_add_symbol(cnav_v27_part_t *part, u8 ch)
* - M - Number of bits in the tail to ignore. * - M - Number of bits in the tail to ignore.
*/ */
unsigned char tmp_bits[ (GPS_L2C_V27_DECODE_BITS + GPS_L2C_V27_DELAY_BITS + unsigned char tmp_bits[ (GPS_L2C_V27_DECODE_BITS + GPS_L2C_V27_DELAY_BITS +
CHAR_BIT - 1) / CHAR_BIT - 1) / CHAR_BIT];
CHAR_BIT];
v27_chainback_likely(&part->dec, tmp_bits, v27_chainback_likely(&part->dec, tmp_bits,
GPS_L2C_V27_DECODE_BITS + GPS_L2C_V27_DELAY_BITS); GPS_L2C_V27_DECODE_BITS + GPS_L2C_V27_DELAY_BITS);
@ -238,6 +238,7 @@ static void _cnav_add_symbol(cnav_v27_part_t *part, u8 ch)
} }
if (part->preamble_seen && GPS_CNAV_MSG_LENGTH <= part->n_decoded) if (part->preamble_seen && GPS_CNAV_MSG_LENGTH <= part->n_decoded)
{ {
/* We have collected 300 bits starting from message preamble. Now try /* We have collected 300 bits starting from message preamble. Now try
* to compute CRC-24Q */ * to compute CRC-24Q */
u32 crc = _cnav_compute_crc(part); u32 crc = _cnav_compute_crc(part);