169 lines
7.2 KiB
C++
169 lines
7.2 KiB
C++
#if !defined(_RADIOLIB_HELLSCHREIBER_H) && !defined(RADIOLIB_EXCLUDE_HELLSCHREIBER)
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#define _RADIOLIB_HELLSCHREIBER_H
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#include "../../TypeDef.h"
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#include "../PhysicalLayer/PhysicalLayer.h"
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#include "../AFSK/AFSK.h"
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#define HELL_FONT_WIDTH 7
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#define HELL_FONT_HEIGHT 7
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// font definition: characters are stored in rows,
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// least significant byte of each character is the first row
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// Hellschreiber use 7x7 characters, but this simplified font uses only 5x5 - the extra bytes aren't stored
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static const uint8_t HellFont[64][HELL_FONT_WIDTH - 2] PROGMEM = {
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{ 0b0000000, 0b0000000, 0b0000000, 0b0000000, 0b0000000 }, // space
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{ 0b0001000, 0b0001000, 0b0001000, 0b0000000, 0b0001000 }, // !
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{ 0b0010100, 0b0010100, 0b0000000, 0b0000000, 0b0000000 }, // "
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{ 0b0010100, 0b0111110, 0b0010100, 0b0111110, 0b0010100 }, // #
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{ 0b0111110, 0b0101000, 0b0111110, 0b0001010, 0b0111110 }, // $
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{ 0b0110010, 0b0110100, 0b0001000, 0b0010110, 0b0100110 }, // %
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{ 0b0010000, 0b0101000, 0b0010000, 0b0101000, 0b0110100 }, // &
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{ 0b0001000, 0b0001000, 0b0000000, 0b0000000, 0b0000000 }, // '
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{ 0b0000100, 0b0001000, 0b0001000, 0b0001000, 0b0000100 }, // (
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{ 0b0010000, 0b0001000, 0b0001000, 0b0001000, 0b0010000 }, // )
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{ 0b0010100, 0b0001000, 0b0010100, 0b0000000, 0b0000000 }, // *
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{ 0b0001000, 0b0001000, 0b0111110, 0b0001000, 0b0001000 }, // +
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{ 0b0001000, 0b0010000, 0b0000000, 0b0000000, 0b0000000 }, // ´
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{ 0b0000000, 0b0000000, 0b0111110, 0b0000000, 0b0000000 }, // -
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{ 0b0000000, 0b0000000, 0b0000000, 0b0000000, 0b0001000 }, // .
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{ 0b0000010, 0b0000100, 0b0001000, 0b0010000, 0b0100000 }, // /
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{ 0b0011100, 0b0100110, 0b0101010, 0b0110010, 0b0011100 }, // 0
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{ 0b0011000, 0b0001000, 0b0001000, 0b0001000, 0b0001000 }, // 1
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{ 0b0011000, 0b0100100, 0b0001000, 0b0010000, 0b0111100 }, // 2
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{ 0b0111100, 0b0000100, 0b0011100, 0b0000100, 0b0111100 }, // 3
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{ 0b0100100, 0b0100100, 0b0111100, 0b0000100, 0b0000100 }, // 4
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{ 0b0011100, 0b0100000, 0b0111100, 0b0000100, 0b0111100 }, // 5
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{ 0b0111100, 0b0100000, 0b0111100, 0b0100100, 0b0111100 }, // 6
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{ 0b0111100, 0b0000100, 0b0001000, 0b0010000, 0b0100000 }, // 7
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{ 0b0111100, 0b0100100, 0b0011000, 0b0100100, 0b0111100 }, // 8
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{ 0b0111100, 0b0100100, 0b0111100, 0b0000100, 0b0111100 }, // 9
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{ 0b0000000, 0b0001000, 0b0000000, 0b0000000, 0b0001000 }, // :
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{ 0b0000000, 0b0001000, 0b0000000, 0b0001000, 0b0001000 }, // ;
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{ 0b0000100, 0b0001000, 0b0010000, 0b0001000, 0b0000100 }, // <
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{ 0b0000000, 0b0111110, 0b0000000, 0b0111110, 0b0000000 }, // =
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{ 0b0010000, 0b0001000, 0b0000100, 0b0001000, 0b0010000 }, // >
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{ 0b0011100, 0b0000100, 0b0001000, 0b0000000, 0b0001000 }, // ?
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{ 0b0011100, 0b0100010, 0b0101110, 0b0101010, 0b0001100 }, // @
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{ 0b0111110, 0b0100010, 0b0111110, 0b0100010, 0b0100010 }, // A
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{ 0b0111100, 0b0010010, 0b0011110, 0b0010010, 0b0111100 }, // B
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{ 0b0011110, 0b0110000, 0b0100000, 0b0110000, 0b0011110 }, // C
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{ 0b0111100, 0b0100010, 0b0100010, 0b0100010, 0b0111100 }, // D
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{ 0b0111110, 0b0100000, 0b0111100, 0b0100000, 0b0111110 }, // E
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{ 0b0111110, 0b0100000, 0b0111100, 0b0100000, 0b0100000 }, // F
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{ 0b0111110, 0b0100000, 0b0101110, 0b0100010, 0b0111110 }, // G
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{ 0b0100010, 0b0100010, 0b0111110, 0b0100010, 0b0100010 }, // H
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{ 0b0011100, 0b0001000, 0b0001000, 0b0001000, 0b0011100 }, // I
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{ 0b0111100, 0b0001000, 0b0001000, 0b0101000, 0b0111000 }, // J
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{ 0b0100100, 0b0101000, 0b0110000, 0b0101000, 0b0100100 }, // K
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{ 0b0100000, 0b0100000, 0b0100000, 0b0100000, 0b0111100 }, // L
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{ 0b0100010, 0b0110110, 0b0101010, 0b0100010, 0b0100010 }, // M
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{ 0b0100010, 0b0110010, 0b0101010, 0b0100110, 0b0100010 }, // N
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{ 0b0011100, 0b0100010, 0b0100010, 0b0100010, 0b0011100 }, // O
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{ 0b0111110, 0b0100010, 0b0111110, 0b0100000, 0b0100000 }, // P
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{ 0b0111110, 0b0100010, 0b0100010, 0b0100110, 0b0111110 }, // Q
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{ 0b0111110, 0b0100010, 0b0111110, 0b0100100, 0b0100010 }, // R
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{ 0b0111110, 0b0100000, 0b0111110, 0b0000010, 0b0111110 }, // S
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{ 0b0111110, 0b0001000, 0b0001000, 0b0001000, 0b0001000 }, // T
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{ 0b0100010, 0b0100010, 0b0100010, 0b0100010, 0b0111110 }, // U
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{ 0b0100010, 0b0100010, 0b0010100, 0b0010100, 0b0001000 }, // V
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{ 0b0100010, 0b0100010, 0b0101010, 0b0110110, 0b0100010 }, // W
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{ 0b0100010, 0b0010100, 0b0001000, 0b0010100, 0b0100010 }, // X
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{ 0b0100010, 0b0010100, 0b0001000, 0b0001000, 0b0001000 }, // Y
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{ 0b0111110, 0b0000100, 0b0001000, 0b0010000, 0b0111110 }, // Z
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{ 0b0001100, 0b0001000, 0b0001000, 0b0001000, 0b0001100 }, // [
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{ 0b0100000, 0b0010000, 0b0001000, 0b0000100, 0b0000010 }, // backslash
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{ 0b0011000, 0b0001000, 0b0001000, 0b0001000, 0b0011000 }, // ]
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{ 0b0001000, 0b0010100, 0b0000000, 0b0000000, 0b0000000 }, // ^
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{ 0b0000000, 0b0000000, 0b0000000, 0b0000000, 0b0111110 } // _
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};
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/*!
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\class HellClient
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\brief Client for Hellschreiber transmissions.
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*/
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class HellClient {
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public:
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/*!
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\brief Constructor for 2-FSK mode.
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\param phy Pointer to the wireless module providing PhysicalLayer communication.
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*/
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HellClient(PhysicalLayer* phy);
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#if !defined(RADIOLIB_EXCLUDE_AFSK)
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/*!
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\brief Constructor for AFSK mode.
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\param audio Pointer to the AFSK instance providing audio.
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*/
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HellClient(AFSKClient* audio);
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#endif
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// basic methods
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/*!
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\brief Initialization method.
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\param base Base RF frequency to be used in MHz (in 2-FSK mode), or the tone frequency in Hz (in AFSK mode).
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\param rate Baud rate to be used during transmission. Defaults to 122.5 ("Feld Hell")
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*/
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int16_t begin(float base, float rate = 122.5);
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/*!
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\brief Method to "print" a buffer of pixels, this is exposed to allow users to send custom characters.
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\param buff Buffer of pixels to send, in a 7x7 pixel array.
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*/
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size_t printGlyph(uint8_t* buff);
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size_t write(const char* str);
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size_t write(uint8_t* buff, size_t len);
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size_t write(uint8_t b);
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size_t print(__FlashStringHelper*);
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size_t print(const String &);
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size_t print(const char[]);
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size_t print(char);
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size_t print(unsigned char, int = DEC);
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size_t print(int, int = DEC);
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size_t print(unsigned int, int = DEC);
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size_t print(long, int = DEC);
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size_t print(unsigned long, int = DEC);
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size_t print(double, int = 2);
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size_t println(void);
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size_t println(__FlashStringHelper*);
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size_t println(const String &s);
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size_t println(const char[]);
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size_t println(char);
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size_t println(unsigned char, int = DEC);
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size_t println(int, int = DEC);
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size_t println(unsigned int, int = DEC);
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size_t println(long, int = DEC);
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size_t println(unsigned long, int = DEC);
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size_t println(double, int = 2);
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#ifndef RADIOLIB_GODMODE
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private:
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#endif
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PhysicalLayer* _phy;
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#if !defined(RADIOLIB_EXCLUDE_AFSK)
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AFSKClient* _audio;
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#else
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void* _audio;
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#endif
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uint32_t _base, _baseHz;
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uint32_t _pixelDuration;
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size_t printNumber(unsigned long, uint8_t);
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size_t printFloat(double, uint8_t);
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int16_t transmitDirect(uint32_t freq = 0, uint32_t freqHz = 0);
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int16_t standby();
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};
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#endif
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