summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/rs232/keyboard.h
blob: a10f9a78385f2724e9e08326b91be89bfadac9db (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
// license:BSD-3-Clause
// copyright-holders:smf
#ifndef MAME_BUS_RS232_KEYBOARD_H
#define MAME_BUS_RS232_KEYBOARD_H

#pragma once

#pragma once

#include "rs232.h"
#include "machine/keyboard.h"

class serial_keyboard_device
	: public generic_keyboard_device
	, public device_buffered_serial_interface<16U>
	, public device_rs232_port_interface
{
public:
	serial_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	virtual ioport_constructor device_input_ports() const override;

	virtual DECLARE_WRITE_LINE_MEMBER( input_txd ) override;

	DECLARE_WRITE_LINE_MEMBER(update_serial);

protected:
	serial_keyboard_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);

	virtual void device_reset() override;
	virtual void tra_callback() override;
	virtual void send_key(uint8_t code) override;

private:
	virtual void received_byte(uint8_t byte) override;

	required_ioport m_rs232_txbaud;
	required_ioport m_rs232_startbits;
	required_ioport m_rs232_databits;
	required_ioport m_rs232_parity;
	required_ioport m_rs232_stopbits;
};

DECLARE_DEVICE_TYPE(SERIAL_KEYBOARD, serial_keyboard_device)

#endif // MAME_BUS_RS232_KEYBOARD_H