/*************************************************************************** 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__ */