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// license:BSD-3-Clause
// copyright-holders:windyfairy
#ifndef MAME_SOUND_DAC3350A_H
#define MAME_SOUND_DAC3350A_H
#pragma once
class dac3350a_device : public device_t, public device_sound_interface
{
public:
dac3350a_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
void i2c_scl_w(int line);
void i2c_sda_w(int line);
protected:
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
virtual void sound_stream_update(sound_stream &stream) override;
private:
void i2c_device_handle_write();
float calculate_volume(int val);
sound_stream *m_stream;
uint8_t m_i2c_bus_state;
uint8_t m_i2c_bus_address;
uint8_t m_i2c_scli, m_i2c_sdai;
int32_t m_i2c_bus_curbit;
uint8_t m_i2c_bus_curval;
uint32_t m_i2c_bytecount;
uint8_t m_i2c_subadr;
uint16_t m_i2c_data;
bool m_dac_enable;
float m_volume[2];
};
DECLARE_DEVICE_TYPE(DAC3350A, dac3350a_device)
#endif // MAME_SOUND_DAC3350A_H
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