38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
#include "icsneo/communication/packet/versionpacket.h"
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using namespace icsneo;
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std::shared_ptr<VersionMessage> HardwareVersionPacket::DecodeMainToMessage(const std::vector<uint8_t>& bytestream) {
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if(bytestream.size() < 3) // Not enough bytes to decode
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return std::shared_ptr<VersionMessage>();
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auto msg = std::make_shared<VersionMessage>(true);
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optional<DeviceAppVersion>& version = msg->Versions.emplace_back();
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version.emplace();
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version->major = bytestream[1];
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version->minor = bytestream[2];
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return msg;
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}
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std::shared_ptr<VersionMessage> HardwareVersionPacket::DecodeSecondaryToMessage(const std::vector<uint8_t>& bytestream) {
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auto msg = std::make_shared<VersionMessage>(false);
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size_t bytesLeft = bytestream.size();
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if(bytesLeft)
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bytesLeft--; // Disregard command byte
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while(bytesLeft >= 3) {
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const bool versionValid = bytestream[bytestream.size() - bytesLeft + 0];
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optional<DeviceAppVersion>& version = msg->Versions.emplace_back();
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if(versionValid) {
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version.emplace();
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version->major = bytestream[bytestream.size() - bytesLeft + 1];
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version->minor = bytestream[bytestream.size() - bytesLeft + 2];
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}
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bytesLeft -= std::min<size_t>(3, bytesLeft);
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}
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return msg;
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}
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