// 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 static devcb_base &static_set_stx_callback(device_t &device, _Object object) { return downcast(device).m_out_stx_func.set_callback(object); } virtual ioport_constructor device_input_ports() const; DECLARE_WRITE_LINE_MEMBER(rx) { device_serial_interface::rx_w(state); } DECLARE_INPUT_CHANGED_MEMBER(touch); typedef delegate touch_cb; static void static_set_touch_callback(device_t &device, touch_cb object) { downcast(device).m_out_touch_cb = object; } protected: virtual void device_start(); virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); virtual void tra_callback(); virtual void tra_complete(); virtual void rcv_complete(); 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