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https://github.com/davidgiven/fluxengine.git
synced 2025-10-31 11:17:01 -07:00
Replace the Error() object with an error() function which takes fmt
formatspecs, making for much cleaner code. Reformatted everything. This actually happened in multiple steps but then I corrupted my local repository and I had to recover from the working tree.
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@@ -38,61 +38,63 @@ const FluxPattern SECTOR_RECORD_PATTERN(32, 0x11112244);
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const uint16_t DATA_ID = 0x550b;
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const FluxPattern DATA_RECORD_PATTERN(32, 0x11112245);
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const FluxMatchers ANY_RECORD_PATTERN({ &SECTOR_RECORD_PATTERN, &DATA_RECORD_PATTERN });
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const FluxMatchers ANY_RECORD_PATTERN(
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{&SECTOR_RECORD_PATTERN, &DATA_RECORD_PATTERN});
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class Tids990Decoder : public Decoder
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{
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public:
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Tids990Decoder(const DecoderProto& config):
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Decoder(config)
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{}
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Tids990Decoder(const DecoderProto& config): Decoder(config) {}
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nanoseconds_t advanceToNextRecord() override
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{
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return seekToPattern(ANY_RECORD_PATTERN);
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}
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{
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return seekToPattern(ANY_RECORD_PATTERN);
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}
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void decodeSectorRecord() override
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{
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auto bits = readRawBits(TIDS990_SECTOR_RECORD_SIZE*16);
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auto bytes = decodeFmMfm(bits).slice(0, TIDS990_SECTOR_RECORD_SIZE);
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{
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auto bits = readRawBits(TIDS990_SECTOR_RECORD_SIZE * 16);
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auto bytes = decodeFmMfm(bits).slice(0, TIDS990_SECTOR_RECORD_SIZE);
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ByteReader br(bytes);
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if (br.read_be16() != SECTOR_ID)
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return;
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ByteReader br(bytes);
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if (br.read_be16() != SECTOR_ID)
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return;
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uint16_t gotChecksum = crc16(CCITT_POLY, bytes.slice(1, TIDS990_SECTOR_RECORD_SIZE-3));
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uint16_t gotChecksum =
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crc16(CCITT_POLY, bytes.slice(1, TIDS990_SECTOR_RECORD_SIZE - 3));
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_sector->logicalSide = br.read_8() >> 3;
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_sector->logicalTrack = br.read_8();
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br.read_8(); /* number of sectors per track */
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_sector->logicalSector = br.read_8();
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br.read_be16(); /* sector size */
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uint16_t wantChecksum = br.read_be16();
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_sector->logicalSide = br.read_8() >> 3;
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_sector->logicalTrack = br.read_8();
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br.read_8(); /* number of sectors per track */
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_sector->logicalSector = br.read_8();
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br.read_be16(); /* sector size */
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uint16_t wantChecksum = br.read_be16();
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if (wantChecksum == gotChecksum)
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_sector->status = Sector::DATA_MISSING; /* correct but unintuitive */
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}
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if (wantChecksum == gotChecksum)
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_sector->status =
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Sector::DATA_MISSING; /* correct but unintuitive */
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}
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void decodeDataRecord() override
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{
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auto bits = readRawBits(TIDS990_DATA_RECORD_SIZE*16);
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auto bytes = decodeFmMfm(bits).slice(0, TIDS990_DATA_RECORD_SIZE);
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void decodeDataRecord() override
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{
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auto bits = readRawBits(TIDS990_DATA_RECORD_SIZE * 16);
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auto bytes = decodeFmMfm(bits).slice(0, TIDS990_DATA_RECORD_SIZE);
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ByteReader br(bytes);
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if (br.read_be16() != DATA_ID)
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return;
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ByteReader br(bytes);
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if (br.read_be16() != DATA_ID)
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return;
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uint16_t gotChecksum = crc16(CCITT_POLY, bytes.slice(1, TIDS990_DATA_RECORD_SIZE-3));
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uint16_t gotChecksum =
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crc16(CCITT_POLY, bytes.slice(1, TIDS990_DATA_RECORD_SIZE - 3));
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_sector->data = br.read(TIDS990_PAYLOAD_SIZE);
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uint16_t wantChecksum = br.read_be16();
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_sector->status = (wantChecksum == gotChecksum) ? Sector::OK : Sector::BAD_CHECKSUM;
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}
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_sector->data = br.read(TIDS990_PAYLOAD_SIZE);
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uint16_t wantChecksum = br.read_be16();
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_sector->status =
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(wantChecksum == gotChecksum) ? Sector::OK : Sector::BAD_CHECKSUM;
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}
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};
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std::unique_ptr<Decoder> createTids990Decoder(const DecoderProto& config)
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{
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return std::unique_ptr<Decoder>(new Tids990Decoder(config));
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return std::unique_ptr<Decoder>(new Tids990Decoder(config));
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}
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