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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
/***************************************************************************
h8_adc.h
H8 Analog to Digital Converter subsystem
***************************************************************************/
#ifndef __H8_ADC_H__
#define __H8_ADC_H__
#include "h8.h"
#include "h8_intc.h"
#define MCFG_H8_ADC_GENERIC_ADD( _tag, _type, intc, vect ) \
MCFG_DEVICE_ADD( _tag, _type, 0 ) \
downcast<h8_adc_device *>(device)->set_info(intc, vect);
#define MCFG_H8_ADC_3337_ADD( _tag, intc, vect ) \
MCFG_H8_ADC_GENERIC_ADD( _tag, H8_ADC_3337, intc, vect )
#define MCFG_H8_ADC_3006_ADD( _tag, intc, vect ) \
MCFG_H8_ADC_GENERIC_ADD( _tag, H8_ADC_3006, intc, vect )
#define MCFG_H8_ADC_2245_ADD( _tag, intc, vect ) \
MCFG_H8_ADC_GENERIC_ADD( _tag, H8_ADC_2245, intc, vect )
#define MCFG_H8_ADC_2320_ADD( _tag, intc, vect ) \
MCFG_H8_ADC_GENERIC_ADD( _tag, H8_ADC_2320, intc, vect )
#define MCFG_H8_ADC_2357_ADD( _tag, intc, vect ) \
MCFG_H8_ADC_GENERIC_ADD( _tag, H8_ADC_2357, intc, vect )
#define MCFG_H8_ADC_2655_ADD( _tag, intc, vect ) \
MCFG_H8_ADC_GENERIC_ADD( _tag, H8_ADC_2655, intc, vect )
class h8_adc_device : public device_t {
public:
h8_adc_device(const machine_config &mconfig, device_type type, std::string name, std::string tag, device_t *owner, UINT32 clock, std::string shortname, std::string source);
void set_info(std::string intc_tag, int vect);
DECLARE_READ8_MEMBER(addr8_r);
DECLARE_READ16_MEMBER(addr16_r);
DECLARE_READ8_MEMBER(adcsr_r);
DECLARE_READ8_MEMBER(adcr_r);
DECLARE_WRITE8_MEMBER(adcsr_w);
DECLARE_WRITE8_MEMBER(adcr_w);
DECLARE_WRITE_LINE_MEMBER(adtrg_w);
void set_suspend(bool suspend);
UINT64 internal_update(UINT64 current_time);
protected:
required_device<h8_device> cpu;
h8_intc_device *intc;
address_space *io;
std::string intc_tag;
int intc_vector;
enum {
T_SOFT = 1<<0,
T_TPU = 1<<1,
T_TIMER = 1<<2,
T_EXT = 1<<3
};
enum {
F_ADF = 0x80,
F_ADIE = 0x40,
F_ADST = 0x20
};
enum {
IDLE = 0,
ACTIVE = 1,
HALTED = 2,
REPEAT = 4,
ROTATE = 8,
DUAL = 16,
BUFFER = 32,
COUNTED = 64
};
UINT16 addr[8], buf[2];
UINT8 adcsr, adcr;
int register_mask;
int trigger, start_mode, start_channel, end_channel, start_count;
bool suspend_on_interrupt, analog_power_control;
int mode, channel, count;
bool analog_powered, adtrg;
UINT64 next_event;
virtual void device_start() override;
virtual void device_reset() override;
void sampling();
void start_conversion();
void conversion_wait(bool first, bool poweron, UINT64 current_time = 0);
void buffer_value(int port, int buffer = 0);
void commit_value(int reg, int buffer = 0);
void timeout(UINT64 current_time);
void done();
virtual int conversion_time(bool first, bool poweron) = 0;
virtual void mode_update() = 0;
virtual void do_buffering(int buffer);
virtual int get_channel_index(int count);
};
class h8_adc_3337_device : public h8_adc_device {
public:
h8_adc_3337_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock);
protected:
virtual int conversion_time(bool first, bool poweron) override;
virtual void mode_update() override;
};
class h8_adc_3006_device : public h8_adc_device {
public:
h8_adc_3006_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock);
protected:
virtual int conversion_time(bool first, bool poweron) override;
virtual void mode_update() override;
};
class h8_adc_2245_device : public h8_adc_device {
public:
h8_adc_2245_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock);
protected:
virtual int conversion_time(bool first, bool poweron) override;
virtual void mode_update() override;
};
class h8_adc_2320_device : public h8_adc_device {
public:
h8_adc_2320_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock);
protected:
virtual int conversion_time(bool first, bool poweron) override;
virtual void mode_update() override;
};
class h8_adc_2357_device : public h8_adc_device {
public:
h8_adc_2357_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock);
protected:
virtual int conversion_time(bool first, bool poweron) override;
virtual void mode_update() override;
};
class h8_adc_2655_device : public h8_adc_device {
public:
h8_adc_2655_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock);
protected:
virtual int conversion_time(bool first, bool poweron) override;
virtual void mode_update() override;
virtual void do_buffering(int buffer) override;
virtual int get_channel_index(int count) override;
};
extern const device_type H8_ADC_3337;
extern const device_type H8_ADC_3006;
extern const device_type H8_ADC_2245;
extern const device_type H8_ADC_2320;
extern const device_type H8_ADC_2357;
extern const device_type H8_ADC_2655;
#endif
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