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const std = @import("std");
const uefi = std.os.uefi;
const Event = uefi.Event;
const Guid = uefi.Guid;
const Status = uefi.Status;
const cc = uefi.cc;
const Error = Status.Error;
/// Character input devices, e.g. Keyboard
pub const SimpleTextInput = extern struct {
_reset: *const fn (*SimpleTextInput, bool) callconv(cc) Status,
_read_key_stroke: *const fn (*SimpleTextInput, *Key.Input) callconv(cc) Status,
wait_for_key: Event,
pub const ResetError = uefi.UnexpectedError || error{DeviceError};
pub const ReadKeyStrokeError = uefi.UnexpectedError || error{
NotReady,
DeviceError,
Unsupported,
};
/// Resets the input device hardware.
pub fn reset(self: *SimpleTextInput, verify: bool) ResetError!void {
switch (self._reset(self, verify)) {
.success => {},
.device_error => return Error.DeviceError,
else => |status| return uefi.unexpectedStatus(status),
}
}
/// Reads the next keystroke from the input device.
pub fn readKeyStroke(self: *SimpleTextInput) ReadKeyStrokeError!Key.Input {
var key: Key.Input = undefined;
switch (self._read_key_stroke(self, &key)) {
.success => return key,
.not_ready => return Error.NotReady,
.device_error => return Error.DeviceError,
.unsupported => return Error.Unsupported,
else => |status| return uefi.unexpectedStatus(status),
}
}
pub const guid align(8) = Guid{
.time_low = 0x387477c1,
.time_mid = 0x69c7,
.time_high_and_version = 0x11d2,
.clock_seq_high_and_reserved = 0x8e,
.clock_seq_low = 0x39,
.node = [_]u8{ 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b },
};
pub const Key = uefi.protocol.SimpleTextInputEx.Key;
};
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