4d_ObstacleRadarDroneCAN/Drivers/DeviceDrivers/i2c/inc/i2c-bit-ops.h

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 * Copyright (c) 2019, Nations Technologies Inc.
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 * All rights reserved.
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/**
 * @file i2c-bit-ops.h
 * @author Nations
 * @version v1.0.0
 *
 * @copyright Copyright (c) 2019, Nations Technologies Inc. All rights reserved.
 */

#ifndef __I2C_BIT_OPS_H__
#define __I2C_BIT_OPS_H__

#include <rtdevice.h>
#include "i2c.h"

#ifdef __cplusplus
extern "C" {
#endif

struct rt_i2c_bit_ops
{
    void *data;            /* private data for lowlevel routines */
    void (*set_sda)(void *data, rt_int32_t state);
    void (*set_scl)(void *data, rt_int32_t state);
    rt_int32_t (*get_sda)(void *data);
    rt_int32_t (*get_scl)(void *data);

    void (*udelay)(rt_uint32_t us);

    rt_uint32_t delay_us;  /* scl and sda line delay */
    rt_uint32_t timeout;   /* in tick */
};

rt_err_t rt_i2c_bit_add_bus(struct rt_i2c_bus_device *bus,
                            const char               *bus_name);

#ifdef __cplusplus
}
#endif

#endif