FirmwareSwitch.cc

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#include "FirmwareSwitch.hh"
#include "CliComm.hh"
#include "FileContext.hh"
#include "File.hh"
#include "FileException.hh"
#include <array>
#include <cstdint>
 
namespace openmsx {
 
static constexpr const char* const filename = "firmwareswitch";
 
FirmwareSwitch::FirmwareSwitch(const DeviceConfig& config_)
        : config(config_)
        , setting(
                config.getCommandController(), "firmwareswitch",
                "This setting controls the firmware switch",
                false, Setting::DONT_SAVE)
{
        // load firmware switch setting from persistent data
        try {
                File file(config.getFileContext().resolveCreate(filename),
                          File::LOAD_PERSISTENT);
                std::array<uint8_t, 1> byteBuf;
                file.read(byteBuf);
                setting.setBoolean(byteBuf[0] != 0);
        } catch (FileException& e) {
                config.getCliComm().printWarning(
                        "Couldn't load firmwareswitch status: ", e.getMessage());
        }
}
 
FirmwareSwitch::~FirmwareSwitch()
{
        // save firmware switch setting value to persistent data
        try {
                File file(config.getFileContext().resolveCreate(filename),
                          File::SAVE_PERSISTENT);
                std::array byteBuf = {uint8_t(setting.getBoolean() ? 0xFF : 0x00)};
                file.write(byteBuf);
        } catch (FileException& e) {
                config.getCliComm().printWarning(
                        "Couldn't save firmwareswitch status: ", e.getMessage());
        }
}
 
} // namespace openmsx