110 lines
3.2 KiB
C
110 lines
3.2 KiB
C
/*
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* This file is part of FH8620 BSP for RT-Thread distribution.
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*
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* Copyright (c) 2016 Shanghai Fullhan Microelectronics Co., Ltd.
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* All rights reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Visit http://www.fullhan.com to get contact with Fullhan.
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*
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* Change Logs:
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* Date Author Notes
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*/
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#ifndef SADC_H_
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#define SADC_H_
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#include <rtdef.h>
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#ifdef RT_USING_SADC
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/****************************************************************************
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* #define section
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* add constant #define here if any
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***************************************************************************/
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//#define FH_SADC_PROC_FILE "driver/sadc"
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#define MAX_CHANNEL_NO (8)
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#define SADC_REF (3300)
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#define SADC_MAX_AD_VALUE (0x3ff)
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#define LOOP_MODE (0x55)
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#define ISR_MODE (0xAA)
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#define SADC_INIT_ALREADY (0x33)
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#define SADC_INIT_NOT_YET (0)
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#define SADC_CMD_READ_RAW_DATA (0x22)
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#define SADC_CMD_READ_VOLT (0x33)
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#define SADC_CMD_DISABLE (0x44)
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/****************************************************************************
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* ADT section
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* add Abstract Data Type definition here
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***************************************************************************/
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struct wrap_sadc_reg {
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rt_uint32_t sadc_cmd;
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rt_uint32_t sadc_control;
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rt_uint32_t sadc_ier;
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rt_uint32_t sadc_int_status;
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rt_uint32_t sadc_dout0;
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rt_uint32_t sadc_dout1;
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rt_uint32_t sadc_dout2;
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rt_uint32_t sadc_dout3;
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rt_uint32_t sadc_debuge0;
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rt_uint32_t sadc_status;
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rt_uint32_t sadc_cnt;
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rt_uint32_t sadc_timeout;
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};
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struct wrap_sadc_obj {
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rt_uint32_t id;
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void *regs;
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rt_uint32_t irq_no;
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rt_uint32_t init_flag;
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rt_uint32_t active_channel_no;
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rt_uint32_t active_channel_status;
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rt_uint16_t channel_data[MAX_CHANNEL_NO];
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rt_uint32_t error_rec;
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rt_uint32_t en_isr;
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rt_uint32_t sample_mode;
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struct rt_mutex lock;
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struct rt_semaphore completion;
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//bind to the rtdev..
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rt_device_t rt_dev;
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};
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typedef struct{
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rt_uint32_t channel;
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rt_uint32_t sadc_data;
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}SADC_INFO;
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/****************************************************************************
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* extern variable declaration section
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***************************************************************************/
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/****************************************************************************
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* section
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* add function prototype here if any
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***************************************************************************/
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void rt_hw_sadc_init(void);
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#endif
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#endif /* SADC_H_ */
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