97 lines
2.0 KiB
C
97 lines
2.0 KiB
C
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/*
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* RS92.h
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* Functions for decoding RS92 sondes with SX127x chips
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* Copyright (C) 2019 Hansi Reiser, dl9rdz
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef RS92_h
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#define RS92_h
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#include <stdlib.h>
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#include <stdint.h>
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#include <Arduino.h>
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#ifndef inttypes_h
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#include <inttypes.h>
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#endif
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struct CONTEXTR9 {
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char calibdata[512];
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uint32_t calibok;
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char mesok;
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char posok;
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char framesent;
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double lat;
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double lon;
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double heig;
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double speed;
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double dir;
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double climb;
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double lastlat;
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double laslong;
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double lastalt;
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double lastspeed;
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double lastdir;
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double lastclb;
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float hrmsc;
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float vrmsc;
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double hp;
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double hyg;
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double temp;
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double ozontemp;
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double ozon;
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uint32_t goodsats;
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uint32_t timems;
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uint32_t framenum;
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};
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/* Main class */
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class RS92
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{
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private:
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void process8N1data(uint8_t data);
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void stobyte92(uint8_t byte);
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void decodeframe92(uint8_t *data);
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#if 0
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void dogps(const uint8_t *sf, int sf_len,
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struct CONTEXTR9 * cont, uint32_t * timems,
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uint32_t * gpstime);
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#endif
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uint32_t bits2val(const uint8_t *bits, int len);
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void printRaw(uint8_t *data, int len);
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int bitsToBytes(uint8_t *bits, uint8_t *bytes, int len);
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int decode92(byte *data, int maxlen);
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uint8_t hamming_conf[ 7*8]; // 7*8=56
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uint8_t hamming_dat1[13*8]; // 13*8=104
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uint8_t hamming_dat2[13*8];
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uint8_t block_conf[ 7*4]; // 7*4=28
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uint8_t block_dat1[13*4]; // 13*4=52
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uint8_t block_dat2[13*4];
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uint8_t H[4][8] = // extended Hamming(8,4) particy check matrix
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{{ 0, 1, 1, 1, 1, 0, 0, 0},
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{ 1, 0, 1, 1, 0, 1, 0, 0},
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{ 1, 1, 0, 1, 0, 0, 1, 0},
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{ 1, 1, 1, 0, 0, 0, 0, 1}};
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uint8_t He[8] = { 0x7, 0xB, 0xD, 0xE, 0x8, 0x4, 0x2, 0x1}; // Spalten von H:
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// 1-bit-error-Syndrome
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boolean initialized = false;
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public:
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RS92();
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int setup(float frequency);
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int receive();
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int waitRXcomplete();
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int use_ecc = 1;
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};
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extern RS92 rs92;
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#endif
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