-
Notifications
You must be signed in to change notification settings - Fork 1
/
AX25RX.h
63 lines (50 loc) · 1.68 KB
/
AX25RX.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
/*
* Copyright (C) 2020 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "Config.h"
#if defined(MODE_AX25)
#if !defined(AX25RX_H)
#define AX25RX_H
#include "AX25Demodulator.h"
class CAX25RX {
public:
CAX25RX();
void samples(q15_t* samples, uint8_t length);
void setParams(int8_t twist, uint8_t slotTime, uint8_t pPersist);
bool canTX() const;
private:
arm_fir_instance_q15 m_filter;
q15_t m_state[160U]; // NoTaps + BlockSize - 1, 130 + 20 - 1 plus some spare
CAX25Demodulator m_demod1;
CAX25Demodulator m_demod2;
CAX25Demodulator m_demod3;
uint16_t m_lastFCS;
uint32_t m_count;
uint32_t m_slotTime;
uint32_t m_slotCount;
uint8_t m_pPersist;
bool m_dcd;
bool m_canTX;
uint8_t m_x;
uint8_t m_a;
uint8_t m_b;
uint8_t m_c;
void initRand();
uint8_t rand();
};
#endif
#endif