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// license:BSD-3-Clause
// copyright-holders:smf
/***************************************************************************
Fujitsu Micro F2MC-16 series UART
***************************************************************************/
#ifndef MAME_CPU_F2MC16_F2MC16_UART_H
#define MAME_CPU_F2MC16_F2MC16_UART_H
#include "f2mc16_intc.h"
#pragma once
class f2mc16_uart_device :
public device_t
{
public:
f2mc16_uart_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
f2mc16_uart_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, required_device<f2mc16_intc_device> &intc, uint8_t rx_vector, uint8_t tx_vector);
auto sck() { return m_sck_cb.bind(); }
auto sck_hz() { return m_sck_hz_cb.bind(); }
auto sot() { return m_sot_cb.bind(); }
void internal_timer_hz(uint32_t hz);
void internal_timer(int state);
void sck_hz(uint32_t hz);
void sck(int state);
void sin(int state);
uint8_t smr_r();
void smr_w(uint8_t data);
uint8_t scr_r();
void scr_w(uint8_t data);
uint8_t sidr_r();
void sodr_w(uint8_t data);
uint8_t ssr_r();
void ssr_w(uint8_t data);
void cdcr_w(uint8_t data);
protected:
// device_t
virtual void device_start() override ATTR_COLD;
virtual void device_clock_changed() override;
virtual void device_reset() override ATTR_COLD;
void update_serial();
TIMER_CALLBACK_MEMBER(update_internal_timer);
TIMER_CALLBACK_MEMBER(rx_timer_callback);
TIMER_CALLBACK_MEMBER(tx_timer_callback);
required_device<f2mc16_intc_device> m_intc;
uint8_t m_rx_vector;
uint8_t m_tx_vector;
devcb_write_line m_sck_cb;
devcb_write32 m_sck_hz_cb;
devcb_write_line m_sot_cb;
emu_timer *m_tx_timer;
emu_timer *m_rx_timer;
attotime m_sck_in_changed;
attotime m_peripheral_clock_changed;
attotime m_internal_timer_changed;
attotime m_rx_start_time;
attotime m_tx_start_time;
uint32_t m_internal_timer_hz;
uint32_t m_peripheral_clock_hz;
uint32_t m_sck_in_hz;
uint8_t m_rx_ticks;
uint8_t m_tx_ticks;
int8_t m_sck_in;
int8_t m_sck_out;
uint32_t m_sck_out_hz;
int8_t m_sin;
int8_t m_sin_prev;
int8_t m_sot;
uint32_t m_hz;
uint8_t m_clock_count;
int8_t m_tx_bit;
int8_t m_tx_bits;
uint16_t m_tx_shift;
int8_t m_rx_bit;
uint16_t m_rx_shift;
uint8_t m_smr;
uint8_t m_scr;
uint8_t m_sidr;
uint8_t m_sodr;
uint8_t m_ssr;
uint8_t m_cdcr;
};
DECLARE_DEVICE_TYPE(F2MC16_UART, f2mc16_uart_device)
#endif
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