Viewing file:  sm_tbl_afsk1200.h (1.89 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/*
* THIS FILE IS GENERATED AUTOMATICALLY BY ./gentbl, DO NOT EDIT!
*/
/*
* small cosine table in U8 format
*/
#define OFFSCOSTABBITS 6
#define OFFSCOSTABSIZE (1<<OFFSCOSTABBITS)
static unsigned char offscostab[OFFSCOSTABSIZE] = {
255, 254, 252, 249, 245, 240, 233, 226,
217, 208, 198, 187, 176, 164, 152, 140,
128, 115, 103, 91, 79, 68, 57, 47,
38, 29, 22, 15, 10, 6, 3, 1,
1, 1, 3, 6, 10, 15, 22, 29,
38, 47, 57, 68, 79, 91, 103, 115,
127, 140, 152, 164, 176, 187, 198, 208,
217, 226, 233, 240, 245, 249, 252, 254
};
#define OFFSCOS(x) offscostab[((x)>>10)&0x3f]
/*
* more accurate cosine table
*/
static const short costab[64] = {
32767, 32609, 32137, 31356, 30272, 28897, 27244, 25329,
23169, 20787, 18204, 15446, 12539, 9511, 6392, 3211,
0, -3211, -6392, -9511, -12539, -15446, -18204, -20787,
-23169, -25329, -27244, -28897, -30272, -31356, -32137, -32609,
-32767, -32609, -32137, -31356, -30272, -28897, -27244, -25329,
-23169, -20787, -18204, -15446, -12539, -9511, -6392, -3211,
0, 3211, 6392, 9511, 12539, 15446, 18204, 20787,
23169, 25329, 27244, 28897, 30272, 31356, 32137, 32609
};
#define COS(x) costab[((x)>>10)&0x3f]
#define SIN(x) COS((x)+0xc000)
/*
* afsk1200 specific tables
*/
#define AFSK12_SAMPLE_RATE 9600
#define AFSK12_TX_FREQ_LO 1200
#define AFSK12_TX_FREQ_HI 2200
#define AFSK12_CORRLEN 8
static const int afsk12_tx_lo_i[] = {
127, 89, 0, -89, -127, -89, 0, 89
};
#define SUM_AFSK12_TX_LO_I 0
static const int afsk12_tx_lo_q[] = {
0, 89, 127, 89, 0, -89, -127, -89
};
#define SUM_AFSK12_TX_LO_Q 0
static const int afsk12_tx_hi_i[] = {
127, 16, -122, -48, 109, 77, -89, -100
};
#define SUM_AFSK12_TX_HI_I -30
static const int afsk12_tx_hi_q[] = {
0, 125, 32, -117, -63, 100, 89, -77
};
#define SUM_AFSK12_TX_HI_Q 89
|