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/***************************************************************************
National Semiconductor ADC0831 / ADC0832 / ADC0834 / ADC0838
8-Bit serial I/O A/D Converters with Muliplexer Options
***************************************************************************/
#ifndef __ADC083X_H__
#define __ADC083X_H__
#include "devlegcy.h"
/***************************************************************************
CONSTANTS
***************************************************************************/
#define ADC083X_CH0 0
#define ADC083X_CH1 1
#define ADC083X_CH2 2
#define ADC083X_CH3 3
#define ADC083X_CH4 4
#define ADC083X_CH5 5
#define ADC083X_CH6 6
#define ADC083X_CH7 7
#define ADC083X_COM 8
#define ADC083X_AGND 9
#define ADC083X_VREF 10
/***************************************************************************
MACROS / CONSTANTS
***************************************************************************/
class adc0831_device : public device_t
{
public:
adc0831_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
adc0831_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock);
~adc0831_device() { global_free(m_token); }
// access to legacy token
void *token() const { assert(m_token != NULL); return m_token; }
protected:
// device-level overrides
virtual void device_config_complete();
virtual void device_start();
virtual void device_reset();
private:
// internal state
void *m_token;
};
extern const device_type ADC0831;
class adc0832_device : public adc0831_device
{
public:
adc0832_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
};
extern const device_type ADC0832;
class adc0834_device : public adc0831_device
{
public:
adc0834_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
};
extern const device_type ADC0834;
class adc0838_device : public adc0831_device
{
public:
adc0838_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
};
extern const device_type ADC0838;
#define MCFG_ADC0831_ADD(_tag, _config) \
MCFG_DEVICE_ADD(_tag, ADC0831, 0) \
MCFG_DEVICE_CONFIG(_config)
#define MCFG_ADC0832_ADD(_tag, _config) \
MCFG_DEVICE_ADD(_tag, ADC0832, 0) \
MCFG_DEVICE_CONFIG(_config)
#define MCFG_ADC0834_ADD(_tag, _config) \
MCFG_DEVICE_ADD(_tag, ADC0834, 0) \
MCFG_DEVICE_CONFIG(_config)
#define MCFG_ADC0838_ADD(_tag, _config) \
MCFG_DEVICE_ADD(_tag, ADC0838, 0) \
MCFG_DEVICE_CONFIG(_config)
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
typedef double (*adc083x_input_convert_func)(device_t *device, UINT8 input);
struct adc083x_interface
{
adc083x_input_convert_func input_callback_r;
};
/***************************************************************************
PROTOTYPES
***************************************************************************/
extern WRITE_LINE_DEVICE_HANDLER( adc083x_cs_write );
extern WRITE_LINE_DEVICE_HANDLER( adc083x_clk_write );
extern WRITE_LINE_DEVICE_HANDLER( adc083x_di_write );
extern WRITE_LINE_DEVICE_HANDLER( adc083x_se_write );
extern READ_LINE_DEVICE_HANDLER( adc083x_sars_read );
extern READ_LINE_DEVICE_HANDLER( adc083x_do_read );
#endif /* __ADC083X_H__ */
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