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// license:BSD-3-Clause
// copyright-holders:Mariusz Wojcieszek
#ifndef _MICROTOUCH_H
#define _MICROTOUCH_H
#include "emu.h"
class microtouch_device :
public device_t,
public device_serial_interface
{
public:
microtouch_device(const machine_config &mconfig, device_type type, const char* name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
microtouch_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
template<class _Object> static devcb_base &static_set_stx_callback(device_t &device, _Object object) { return downcast<microtouch_device &>(device).m_out_stx_func.set_callback(object); }
virtual ioport_constructor device_input_ports() const override;
DECLARE_WRITE_LINE_MEMBER(rx) { device_serial_interface::rx_w(state); }
DECLARE_INPUT_CHANGED_MEMBER(touch);
typedef delegate<int (int *, int *)> touch_cb;
static void static_set_touch_callback(device_t &device, touch_cb object) { downcast<microtouch_device &>(device).m_out_touch_cb = object; }
protected:
virtual void device_start() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
virtual void tra_callback() override;
virtual void tra_complete() override;
virtual void rcv_complete() override;
private:
int check_command( const char* commandtocheck, int command_len, UINT8* command_data );
void send_format_table_packet(UINT8 flag, int x, int y);
void send_format_decimal_packet(int x, int y);
void send_touch_packet();
enum
{
FORMAT_UNKNOWN,
FORMAT_TABLET,
FORMAT_DECIMAL
};
enum
{
MODE_INACTIVE,
MODE_STREAM,
MODE_POINT
};
UINT8 m_rx_buffer[16];
int m_rx_buffer_ptr;
UINT8 m_tx_buffer[16];
UINT8 m_tx_buffer_num;
UINT8 m_tx_buffer_ptr;
int m_reset_done;
int m_format;
int m_mode;
int m_last_touch_state;
int m_last_x;
int m_last_y;
touch_cb m_out_touch_cb;
devcb_write_line m_out_stx_func;
required_ioport m_touch;
required_ioport m_touchx;
required_ioport m_touchy;
emu_timer* m_timer;
bool m_output_valid;
UINT8 m_output;
};
extern const device_type MICROTOUCH;
#define MCFG_MICROTOUCH_ADD(_tag, _clock, _devcb) \
MCFG_DEVICE_ADD(_tag, MICROTOUCH, _clock) \
devcb = µtouch_device::static_set_stx_callback(*device, DEVCB_##_devcb);
#define MCFG_MICROTOUCH_TOUCH_CB(_class, _touch_cb) \
microtouch_device::static_set_touch_callback(*device, microtouch_device::touch_cb(FUNC(_class::_touch_cb), (_class *)owner));
#endif //_MICROTOUCH_H
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