OXYGENHUB
◆ main openmsx / src / FirmwareSwitch.cc
1.2 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
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#include "FirmwareSwitch.hh"
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#include "File.hh"
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#include "FileContext.hh"
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#include "FileException.hh"
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#include "MSXCliComm.hh"
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#include <array>
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#include <cstdint>
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namespace openmsx {
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static constexpr std::string_view filename = "firmwareswitch";
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FirmwareSwitch::FirmwareSwitch(const DeviceConfig& config_)
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	: config(config_)
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	, setting(
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		config.getCommandController(), "firmwareswitch",
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		"This setting controls the firmware switch",
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		false, Setting::Save::NO)
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{
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	// load firmware switch setting from persistent data
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	try {
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		File file(config.getFileContext().resolveCreate(filename));
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		std::array<uint8_t, 1> byteBuf;
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		file.read(byteBuf);
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		setting.setBoolean(byteBuf[0] != 0);
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	} catch (FileException& e) {
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		config.getCliComm().printWarning(
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			"Couldn't load firmwareswitch status: ", e.getMessage());
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	}
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}
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FirmwareSwitch::~FirmwareSwitch()
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{
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	// save firmware switch setting value to persistent data
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	try {
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		File file(config.getFileContext().resolveCreate(filename),
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		          File::OpenMode::TRUNCATE);
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		std::array byteBuf = {uint8_t(setting.getBoolean() ? 0xFF : 0x00)};
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		file.write(byteBuf);
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	} catch (FileException& e) {
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		config.getCliComm().printWarning(
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			"Couldn't save firmwareswitch status: ", e.getMessage());
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	}
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}
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} // namespace openmsx