RadioLib
Universal wireless communication library for Arduino
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Hellschreiber.h
1#if !defined(_RADIOLIB_HELLSCHREIBER_H)
2#define _RADIOLIB_HELLSCHREIBER_H
3
4#include "../../TypeDef.h"
5
6#if !RADIOLIB_EXCLUDE_HELLSCHREIBER
7
8#include "../PhysicalLayer/PhysicalLayer.h"
9#include "../AFSK/AFSK.h"
10#include "../Print/Print.h"
11
12#define RADIOLIB_HELL_FONT_WIDTH 7
13#define RADIOLIB_HELL_FONT_HEIGHT 7
14
15// font definition: characters are stored in rows,
16// least significant byte of each character is the first row
17// Hellschreiber use 7x7 characters, but this simplified font uses only 5x5
18// the extra bytes aren't stored
19static const uint8_t HellFont[64][RADIOLIB_HELL_FONT_WIDTH - 2] RADIOLIB_NONVOLATILE = {
20 { 0b0000000, 0b0000000, 0b0000000, 0b0000000, 0b0000000 }, // space
21 { 0b0001000, 0b0001000, 0b0001000, 0b0000000, 0b0001000 }, // !
22 { 0b0010100, 0b0010100, 0b0000000, 0b0000000, 0b0000000 }, // "
23 { 0b0010100, 0b0111110, 0b0010100, 0b0111110, 0b0010100 }, // #
24 { 0b0111110, 0b0101000, 0b0111110, 0b0001010, 0b0111110 }, // $
25 { 0b0110010, 0b0110100, 0b0001000, 0b0010110, 0b0100110 }, // %
26 { 0b0010000, 0b0101000, 0b0010000, 0b0101000, 0b0110100 }, // &
27 { 0b0001000, 0b0001000, 0b0000000, 0b0000000, 0b0000000 }, // '
28 { 0b0000100, 0b0001000, 0b0001000, 0b0001000, 0b0000100 }, // (
29 { 0b0010000, 0b0001000, 0b0001000, 0b0001000, 0b0010000 }, // )
30 { 0b0010100, 0b0001000, 0b0010100, 0b0000000, 0b0000000 }, // *
31 { 0b0001000, 0b0001000, 0b0111110, 0b0001000, 0b0001000 }, // +
32 { 0b0000000, 0b0000000, 0b0000000, 0b0001000, 0b0010000 }, // ,
33 { 0b0000000, 0b0000000, 0b0111110, 0b0000000, 0b0000000 }, // -
34 { 0b0000000, 0b0000000, 0b0000000, 0b0000000, 0b0001000 }, // .
35 { 0b0000010, 0b0000100, 0b0001000, 0b0010000, 0b0100000 }, // /
36 { 0b0011100, 0b0100110, 0b0101010, 0b0110010, 0b0011100 }, // 0
37 { 0b0011000, 0b0001000, 0b0001000, 0b0001000, 0b0001000 }, // 1
38 { 0b0011000, 0b0100100, 0b0001000, 0b0010000, 0b0111100 }, // 2
39 { 0b0111100, 0b0000100, 0b0011100, 0b0000100, 0b0111100 }, // 3
40 { 0b0100100, 0b0100100, 0b0111100, 0b0000100, 0b0000100 }, // 4
41 { 0b0011100, 0b0100000, 0b0111100, 0b0000100, 0b0111100 }, // 5
42 { 0b0111100, 0b0100000, 0b0111100, 0b0100100, 0b0111100 }, // 6
43 { 0b0111100, 0b0000100, 0b0001000, 0b0010000, 0b0100000 }, // 7
44 { 0b0111100, 0b0100100, 0b0011000, 0b0100100, 0b0111100 }, // 8
45 { 0b0111100, 0b0100100, 0b0111100, 0b0000100, 0b0111100 }, // 9
46 { 0b0000000, 0b0001000, 0b0000000, 0b0000000, 0b0001000 }, // :
47 { 0b0000000, 0b0001000, 0b0000000, 0b0001000, 0b0001000 }, // ;
48 { 0b0000100, 0b0001000, 0b0010000, 0b0001000, 0b0000100 }, // <
49 { 0b0000000, 0b0111110, 0b0000000, 0b0111110, 0b0000000 }, // =
50 { 0b0010000, 0b0001000, 0b0000100, 0b0001000, 0b0010000 }, // >
51 { 0b0011100, 0b0000100, 0b0001000, 0b0000000, 0b0001000 }, // ?
52 { 0b0011100, 0b0100010, 0b0101110, 0b0101010, 0b0001100 }, // @
53 { 0b0111110, 0b0100010, 0b0111110, 0b0100010, 0b0100010 }, // A
54 { 0b0111100, 0b0010010, 0b0011110, 0b0010010, 0b0111100 }, // B
55 { 0b0011110, 0b0110000, 0b0100000, 0b0110000, 0b0011110 }, // C
56 { 0b0111100, 0b0100010, 0b0100010, 0b0100010, 0b0111100 }, // D
57 { 0b0111110, 0b0100000, 0b0111100, 0b0100000, 0b0111110 }, // E
58 { 0b0111110, 0b0100000, 0b0111100, 0b0100000, 0b0100000 }, // F
59 { 0b0111110, 0b0100000, 0b0101110, 0b0100010, 0b0111110 }, // G
60 { 0b0100010, 0b0100010, 0b0111110, 0b0100010, 0b0100010 }, // H
61 { 0b0011100, 0b0001000, 0b0001000, 0b0001000, 0b0011100 }, // I
62 { 0b0111100, 0b0001000, 0b0001000, 0b0101000, 0b0111000 }, // J
63 { 0b0100100, 0b0101000, 0b0110000, 0b0101000, 0b0100100 }, // K
64 { 0b0100000, 0b0100000, 0b0100000, 0b0100000, 0b0111100 }, // L
65 { 0b0100010, 0b0110110, 0b0101010, 0b0100010, 0b0100010 }, // M
66 { 0b0100010, 0b0110010, 0b0101010, 0b0100110, 0b0100010 }, // N
67 { 0b0011100, 0b0100010, 0b0100010, 0b0100010, 0b0011100 }, // O
68 { 0b0111110, 0b0100010, 0b0111110, 0b0100000, 0b0100000 }, // P
69 { 0b0111110, 0b0100010, 0b0100010, 0b0100110, 0b0111110 }, // Q
70 { 0b0111110, 0b0100010, 0b0111110, 0b0100100, 0b0100010 }, // R
71 { 0b0111110, 0b0100000, 0b0111110, 0b0000010, 0b0111110 }, // S
72 { 0b0111110, 0b0001000, 0b0001000, 0b0001000, 0b0001000 }, // T
73 { 0b0100010, 0b0100010, 0b0100010, 0b0100010, 0b0111110 }, // U
74 { 0b0100010, 0b0100010, 0b0010100, 0b0010100, 0b0001000 }, // V
75 { 0b0100010, 0b0100010, 0b0101010, 0b0110110, 0b0100010 }, // W
76 { 0b0100010, 0b0010100, 0b0001000, 0b0010100, 0b0100010 }, // X
77 { 0b0100010, 0b0010100, 0b0001000, 0b0001000, 0b0001000 }, // Y
78 { 0b0111110, 0b0000100, 0b0001000, 0b0010000, 0b0111110 }, // Z
79 { 0b0001100, 0b0001000, 0b0001000, 0b0001000, 0b0001100 }, // [
80 { 0b0100000, 0b0010000, 0b0001000, 0b0000100, 0b0000010 }, // backslash
81 { 0b0011000, 0b0001000, 0b0001000, 0b0001000, 0b0011000 }, // ]
82 { 0b0001000, 0b0010100, 0b0000000, 0b0000000, 0b0000000 }, // ^
83 { 0b0000000, 0b0000000, 0b0000000, 0b0000000, 0b0111110 } // _
84};
85
90class HellClient: public RadioLibPrint {
91 public:
96 explicit HellClient(PhysicalLayer* phy);
97
98 #if !RADIOLIB_EXCLUDE_AFSK
103 explicit HellClient(AFSKClient* audio);
104 #endif
105
106 // basic methods
107
113 int16_t begin(float base, float rate = 122.5);
114
120 size_t printGlyph(const uint8_t* buff);
121
126 void setInversion(bool inv);
127
133 size_t write(uint8_t b) override;
134
135#if !RADIOLIB_GODMODE
136 private:
137#endif
138 PhysicalLayer* phyLayer;
139 #if !RADIOLIB_EXCLUDE_AFSK
140 AFSKClient* audioClient;
141 #endif
142
143 uint32_t baseFreq = 0, baseFreqHz = 0;
144 uint32_t pixelDuration = 0;
145 bool invert = false;
146
147 int16_t transmitDirect(uint32_t freq = 0, uint32_t freqHz = 0);
148 int16_t standby();
149};
150
151#endif
152
153#endif
AFSKClient
Client for audio-based transmissions. Requires Arduino tone() function, and a module capable of direc...
Definition AFSK.h:16
HellClient
Client for Hellschreiber transmissions.
Definition Hellschreiber.h:90
HellClient::begin
int16_t begin(float base, float rate=122.5)
Initialization method.
Definition Hellschreiber.cpp:21
HellClient::printGlyph
size_t printGlyph(const uint8_t *buff)
Method to "print" a buffer of pixels, this is exposed to allow users to send custom characters.
Definition Hellschreiber.cpp:33
HellClient::setInversion
void setInversion(bool inv)
Invert text color.
Definition Hellschreiber.cpp:57
HellClient::write
size_t write(uint8_t b) override
Write one byte. Implementation of interface of the RadioLibPrint/Print class.
Definition Hellschreiber.cpp:61
PhysicalLayer
Provides common interface for protocols that run on LoRa/FSK modules, such as RTTY or LoRaWAN....
Definition PhysicalLayer.h:216
RadioLibPrint
Printing class, based on Arduino Print class with additional encodings.
Definition Print.h:17