kopia lustrzana https://github.com/pjalocha/esp32-ogn-tracker
43 wiersze
2.6 KiB
C
43 wiersze
2.6 KiB
C
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const uint8_t ManchesterEncode[0x10] = // lookup table for 4-bit nibbles for quick Manchester encoding
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{
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0xAA, // hex: 0, bin: 0000, manch: 10101010
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0xA9, // hex: 1, bin: 0001, manch: 10101001
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0xA6, // hex: 2, bin: 0010, manch: 10100110
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0xA5, // hex: 3, bin: 0011, manch: 10100101
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0x9A, // hex: 4, bin: 0100, manch: 10011010
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0x99, // hex: 5, bin: 0101, manch: 10011001
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0x96, // hex: 6, bin: 0110, manch: 10010110
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0x95, // hex: 7, bin: 0111, manch: 10010101
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0x6A, // hex: 8, bin: 1000, manch: 01101010
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0x69, // hex: 9, bin: 1001, manch: 01101001
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0x66, // hex: A, bin: 1010, manch: 01100110
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0x65, // hex: B, bin: 1011, manch: 01100101
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0x5A, // hex: C, bin: 1100, manch: 01011010
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0x59, // hex: D, bin: 1101, manch: 01011001
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0x56, // hex: E, bin: 1110, manch: 01010110
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0x55 // hex: F, bin: 1111, manch: 01010101
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};
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const uint8_t ManchesterDecode[0x100] = // lookup table for quick Manchester decoding
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{ // lower nibble has the data bits and the upper nibble the error pattern
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0xF0, 0xE1, 0xE0, 0xF1, 0xD2, 0xC3, 0xC2, 0xD3, 0xD0, 0xC1, 0xC0, 0xD1, 0xF2, 0xE3, 0xE2, 0xF3,
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0xB4, 0xA5, 0xA4, 0xB5, 0x96, 0x87, 0x86, 0x97, 0x94, 0x85, 0x84, 0x95, 0xB6, 0xA7, 0xA6, 0xB7,
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0xB0, 0xA1, 0xA0, 0xB1, 0x92, 0x83, 0x82, 0x93, 0x90, 0x81, 0x80, 0x91, 0xB2, 0xA3, 0xA2, 0xB3,
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0xF4, 0xE5, 0xE4, 0xF5, 0xD6, 0xC7, 0xC6, 0xD7, 0xD4, 0xC5, 0xC4, 0xD5, 0xF6, 0xE7, 0xE6, 0xF7,
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0x78, 0x69, 0x68, 0x79, 0x5A, 0x4B, 0x4A, 0x5B, 0x58, 0x49, 0x48, 0x59, 0x7A, 0x6B, 0x6A, 0x7B,
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0x3C, 0x2D, 0x2C, 0x3D, 0x1E, 0x0F, 0x0E, 0x1F, 0x1C, 0x0D, 0x0C, 0x1D, 0x3E, 0x2F, 0x2E, 0x3F,
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0x38, 0x29, 0x28, 0x39, 0x1A, 0x0B, 0x0A, 0x1B, 0x18, 0x09, 0x08, 0x19, 0x3A, 0x2B, 0x2A, 0x3B,
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0x7C, 0x6D, 0x6C, 0x7D, 0x5E, 0x4F, 0x4E, 0x5F, 0x5C, 0x4D, 0x4C, 0x5D, 0x7E, 0x6F, 0x6E, 0x7F,
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0x70, 0x61, 0x60, 0x71, 0x52, 0x43, 0x42, 0x53, 0x50, 0x41, 0x40, 0x51, 0x72, 0x63, 0x62, 0x73,
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0x34, 0x25, 0x24, 0x35, 0x16, 0x07, 0x06, 0x17, 0x14, 0x05, 0x04, 0x15, 0x36, 0x27, 0x26, 0x37,
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0x30, 0x21, 0x20, 0x31, 0x12, 0x03, 0x02, 0x13, 0x10, 0x01, 0x00, 0x11, 0x32, 0x23, 0x22, 0x33,
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0x74, 0x65, 0x64, 0x75, 0x56, 0x47, 0x46, 0x57, 0x54, 0x45, 0x44, 0x55, 0x76, 0x67, 0x66, 0x77,
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0xF8, 0xE9, 0xE8, 0xF9, 0xDA, 0xCB, 0xCA, 0xDB, 0xD8, 0xC9, 0xC8, 0xD9, 0xFA, 0xEB, 0xEA, 0xFB,
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0xBC, 0xAD, 0xAC, 0xBD, 0x9E, 0x8F, 0x8E, 0x9F, 0x9C, 0x8D, 0x8C, 0x9D, 0xBE, 0xAF, 0xAE, 0xBF,
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0xB8, 0xA9, 0xA8, 0xB9, 0x9A, 0x8B, 0x8A, 0x9B, 0x98, 0x89, 0x88, 0x99, 0xBA, 0xAB, 0xAA, 0xBB,
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0xFC, 0xED, 0xEC, 0xFD, 0xDE, 0xCF, 0xCE, 0xDF, 0xDC, 0xCD, 0xCC, 0xDD, 0xFE, 0xEF, 0xEE, 0xFF
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} ;
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