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/*
* This file is part of FH8620 BSP for RT-Thread distribution.
*
* Copyright (c) 2016 Shanghai Fullhan 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.fullhan.com to get contact with Fullhan.
*
* Change Logs:
* Date Author Notes
*/
#ifndef SADC_H_
#define SADC_H_
#include <rtdef.h>
#ifdef RT_USING_SADC
/****************************************************************************
* #define section
* add constant #define here if any
***************************************************************************/
//#define FH_SADC_PROC_FILE "driver/sadc"
#define MAX_CHANNEL_NO (8)
#define SADC_REF (3300)
#define SADC_MAX_AD_VALUE (0x3ff)
#define LOOP_MODE (0x55)
#define ISR_MODE (0xAA)
#define SADC_INIT_ALREADY (0x33)
#define SADC_INIT_NOT_YET (0)
#define SADC_CMD_READ_RAW_DATA (0x22)
#define SADC_CMD_READ_VOLT (0x33)
#define SADC_CMD_DISABLE (0x44)
/****************************************************************************
* ADT section
* add Abstract Data Type definition here
***************************************************************************/
struct wrap_sadc_reg {
rt_uint32_t sadc_cmd;
rt_uint32_t sadc_control;
rt_uint32_t sadc_ier;
rt_uint32_t sadc_int_status;
rt_uint32_t sadc_dout0;
rt_uint32_t sadc_dout1;
rt_uint32_t sadc_dout2;
rt_uint32_t sadc_dout3;
rt_uint32_t sadc_debuge0;
rt_uint32_t sadc_status;
rt_uint32_t sadc_cnt;
rt_uint32_t sadc_timeout;
};
struct wrap_sadc_obj {
rt_uint32_t id;
void *regs;
rt_uint32_t irq_no;
rt_uint32_t init_flag;
rt_uint32_t active_channel_no;
rt_uint32_t active_channel_status;
rt_uint16_t channel_data[MAX_CHANNEL_NO];
rt_uint32_t error_rec;
rt_uint32_t en_isr;
rt_uint32_t sample_mode;
struct rt_mutex lock;
struct rt_semaphore completion;
//bind to the rtdev..
rt_device_t rt_dev;
};
typedef struct{
rt_uint32_t channel;
rt_uint32_t sadc_data;
}SADC_INFO;
/****************************************************************************
* extern variable declaration section
***************************************************************************/
/****************************************************************************
* section
* add function prototype here if any
***************************************************************************/
void rt_hw_sadc_init(void);
#endif
#endif /* SADC_H_ */
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