rt-thread-official/bsp/gkipc/drivers/drv_adc.h

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2018-03-04 08:21:19 +08:00
/*
* File : drv_adc.h
* This file is part of GK710X BSP for RT-Thread distribution.
*
* Copyright (c) 2017 GOKE Microelectronics Co., Ltd.
* All rights reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Visit http://www.goke.com to get contact with Goke.
*
* Change Logs:
* Date Author Notes
*/
#ifndef ADC_H_
#define ADC_H_
#include <rtdef.h>
#ifdef RT_USING_ADC
/****************************************************************************
* #define section
* add constant #define here if any
***************************************************************************/
#define MAX_CHANNEL_NO (2)
#define ADC_INIT_ALREADY (0x33)
#define ADC_CMD_READ_RAW_DATA (0x22)
#define ADC_CMD_DISABLE (0x44)
/****************************************************************************
* ADT section
* add Abstract Data Type definition here
***************************************************************************/
struct wrap_adc_obj
{
rt_uint32_t id;
rt_uint32_t init_flag;
rt_uint32_t active_channel_no;
rt_uint32_t handle;
rt_uint16_t channel_data[MAX_CHANNEL_NO];
// bind to the rtdev..
rt_device_t rt_dev;
};
typedef struct
{
rt_uint32_t channel;
rt_uint32_t adc_data;
} ADC_INFO;
/****************************************************************************
* extern variable declaration section
***************************************************************************/
/****************************************************************************
* section
* add function prototype here if any
***************************************************************************/
void rt_hw_adc_init(void);
#endif
#endif /* ADC_H_ */