diff options
Diffstat (limited to 'src/core/ao_viterbi.c')
| -rw-r--r-- | src/core/ao_viterbi.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/src/core/ao_viterbi.c b/src/core/ao_viterbi.c index bb93bc83..594c0d91 100644 --- a/src/core/ao_viterbi.c +++ b/src/core/ao_viterbi.c @@ -55,16 +55,19 @@ struct ao_soft_sym { #define NUM_HIST 8 #define MOD_HIST(b) ((b) & 7) +#define V_0 0xc0 +#define V_1 0x40 + static const struct ao_soft_sym ao_fec_decode_table[NUM_STATE][2] = { /* next 0 1 state */ - { { 0x00, 0x00 }, { 0xff, 0xff } } , /* 000 */ - { { 0x00, 0xff }, { 0xff, 0x00 } }, /* 001 */ - { { 0xff, 0xff }, { 0x00, 0x00 } }, /* 010 */ - { { 0xff, 0x00 }, { 0x00, 0xff } }, /* 011 */ - { { 0xff, 0xff }, { 0x00, 0x00 } }, /* 100 */ - { { 0xff, 0x00 }, { 0x00, 0xff } }, /* 101 */ - { { 0x00, 0x00 }, { 0xff, 0xff } }, /* 110 */ - { { 0x00, 0xff }, { 0xff, 0x00 } } /* 111 */ + { { V_0, V_0 }, { V_1, V_1 } } , /* 000 */ + { { V_0, V_1 }, { V_1, V_0 } }, /* 001 */ + { { V_1, V_1 }, { V_0, V_0 } }, /* 010 */ + { { V_1, V_0 }, { V_0, V_1 } }, /* 011 */ + { { V_1, V_1 }, { V_0, V_0 } }, /* 100 */ + { { V_1, V_0 }, { V_0, V_1 } }, /* 101 */ + { { V_0, V_0 }, { V_1, V_1 } }, /* 110 */ + { { V_0, V_1 }, { V_1, V_0 } } /* 111 */ }; static inline uint8_t |