/****************************************************************************
 *
 *   Copyright (C) 2016 Intel Corporation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name PX4 nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ****************************************************************************/

#pragma once

#include <drivers/drv_adc.h>
#include <drivers/drv_hrt.h>
#include <lib/cdev/CDev.hpp>
#include <lib/perf/perf_counter.h>
#include <px4_arch/adc.h>
#include <px4_platform_common/px4_config.h>
#include <px4_platform_common/defines.h>
#include <px4_platform_common/log.h>
#include <drivers/device/i2c.h>
#include <drivers/drv_adc.h>
#include <px4_platform_common/px4_work_queue/ScheduledWorkItem.hpp>

#define SLAVE_ADDR 0x50
#define ADC_ENABLE_REG 0x00
#define ADC_CHANNEL_REG 0x05
#define MAX_CHANNEL 5

class AEROFC_ADC : public device::I2C, public px4::ScheduledWorkItem
{
public:
	AEROFC_ADC(uint8_t bus);
	~AEROFC_ADC() override;

	int init() override;
	ssize_t read(file *filp, char *buffer, size_t len) override;

private:
	int probe() override;;
	void Run() override;

	px4_adc_msg_t _sample{};
	pthread_mutex_t _sample_mutex;

	perf_counter_t _sample_perf;
};
