// license:BSD-3-Clause // copyright-holders:Mariusz Wojcieszek #ifndef MAME_MACHINE_MICROTCH_H #define MAME_MACHINE_MICROTCH_H #pragma once #include "diserial.h" class microtouch_device : public device_t, public device_serial_interface { public: typedef device_delegate touch_cb; microtouch_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); auto stx() { return m_out_stx_func.bind(); } DECLARE_WRITE_LINE_MEMBER(rx) { device_serial_interface::rx_w(state); } DECLARE_INPUT_CHANGED_MEMBER(touch); template void set_touch_callback(T &&... args) { m_out_touch_cb.set(std::forward(args)...); } protected: // device_t implementation virtual ioport_constructor device_input_ports() const override; virtual void device_start() override; virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; // device_serial_interface implementation virtual void tra_callback() override; virtual void tra_complete() override; virtual void rcv_complete() override; // ROM region (unused, as the device is HLE'd) virtual const tiny_rom_entry *device_rom_region() const override; private: int check_command( const char* commandtocheck, int command_len, uint8_t* command_data ); void send_format_table_packet(uint8_t 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_t m_rx_buffer[16]; int m_rx_buffer_ptr; uint8_t m_tx_buffer[16]; uint8_t m_tx_buffer_num; uint8_t 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_t m_output; }; DECLARE_DEVICE_TYPE(MICROTOUCH, microtouch_device) #endif // MAME_MACHINE_MICROTCH_H