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https://github.com/davidgiven/fluxengine.git
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72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
#include "lib/core/globals.h"
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#include "lib/config/config.h"
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#include "lib/data/fluxmap.h"
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#include "lib/decoders/decoders.h"
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#include "lib/encoders/encoders.h"
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#include "lib/encoders/encoders.pb.h"
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#include "lib/config/proto.h"
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#include "lib/data/layout.h"
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#include "lib/data/image.h"
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#include "protocol.h"
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nanoseconds_t Encoder::calculatePhysicalClockPeriod(
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nanoseconds_t targetClockPeriod, nanoseconds_t targetRotationalPeriod)
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{
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nanoseconds_t currentRotationalPeriod =
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globalConfig()->drive().rotational_period_ms() * 1e6;
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if (currentRotationalPeriod == 0)
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error(
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"you must set --drive.rotational_period_ms as it can't be "
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"autodetected");
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return targetClockPeriod *
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(currentRotationalPeriod / targetRotationalPeriod);
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}
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std::shared_ptr<const Sector> Encoder::getSector(
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std::shared_ptr<const TrackInfo>& trackInfo,
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const Image& image,
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unsigned sectorId)
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{
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return image.get(trackInfo->logicalTrack, trackInfo->logicalSide, sectorId);
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}
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std::vector<std::shared_ptr<const Sector>> Encoder::collectSectors(
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std::shared_ptr<const TrackInfo>& trackLayout, const Image& image)
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{
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std::vector<std::shared_ptr<const Sector>> sectors;
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for (unsigned sectorId : trackLayout->diskSectorOrder)
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{
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const auto& sector = getSector(trackLayout, image, sectorId);
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if (!sector)
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error("sector {}.{}.{} is missing from the image",
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trackLayout->logicalTrack,
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trackLayout->logicalSide,
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sectorId);
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sectors.push_back(sector);
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}
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return sectors;
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}
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Fluxmap& Fluxmap::appendBits(const std::vector<bool>& bits, nanoseconds_t clock)
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{
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nanoseconds_t now = duration();
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for (unsigned i = 0; i < bits.size(); i++)
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{
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now += clock;
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if (bits[i])
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{
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unsigned delta = (now - duration()) / NS_PER_TICK;
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appendInterval(delta);
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appendPulse();
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}
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}
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unsigned delta = (now - duration()) / NS_PER_TICK;
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if (delta)
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appendInterval(delta);
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return *this;
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}
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