[DeviceDrivers][i2c] Remove the fm24clxx driver in i2c.

components/drivers/i2c/fm24clxx.c

-/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-07-14     aubr.cool    1st version
- */
-#include <rtthread.h>
-#include <rtdevice.h>
-#include "fm24clxx.h"
-
-struct fm24clxx_device
-{
-    struct rt_device         parent;
-    struct rt_i2c_bus_device *bus;
-};
-
-/* RT-Thread device interface */
-
-static rt_err_t fm24clxx_init(rt_device_t dev)
-{
-    return RT_EOK;
-}
-static rt_err_t fm24clxx_open(rt_device_t dev, rt_uint16_t oflag)
-{
-    return RT_EOK;
-}
-
-static rt_err_t fm24clxx_close(rt_device_t dev)
-{
-    return RT_EOK;
-}
-
-static rt_err_t fm24clxx_control(rt_device_t dev, int cmd, void *args)
-{
-    return RT_EOK;
-}
-
-static rt_size_t fm24clxx_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size)
-{
-    struct fm24clxx_device *fm24clxx;
-    const struct fm24clxx_config *cfg;
-    struct rt_i2c_msg msg[2];
-    rt_uint8_t mem_addr[2] = {0,};
-    rt_size_t ret = 0;
-    RT_ASSERT(dev != 0);
-
-    fm24clxx = (struct fm24clxx_device *) dev;
-
-    RT_ASSERT(fm24clxx->parent.user_data != 0);
-    cfg = (const struct fm24clxx_config *) fm24clxx->parent.user_data;
-
-    if(pos > cfg->size)
-    {
-         return 0;
-    }
-
-    if(pos + size > cfg->size)
-    {
-         size = cfg->size - pos;
-    }
-
-    msg[0].addr     = cfg->addr;
-    msg[0].flags    = cfg->flags | RT_I2C_WR;
-    mem_addr[0]     = (pos >> 8);
-    mem_addr[1]     = (rt_uint8_t) pos;
-    msg[0].buf      = (rt_uint8_t *) mem_addr;
-    msg[0].len      =  2;
-
-    msg[1].addr     = cfg->addr;
-    msg[1].flags    = cfg->flags | RT_I2C_RD;
-    msg[1].buf      = (rt_uint8_t *) buffer;
-    msg[1].len      = size;
-
-    ret = rt_i2c_transfer(fm24clxx->bus, msg, 2);
-    return (ret == 2) ? size : 0;
-}
-
-static rt_size_t fm24clxx_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size)
-{
-    struct fm24clxx_device *fm24clxx;
-    const struct fm24clxx_config *cfg;
-    struct rt_i2c_msg msg[2];
-    rt_uint8_t mem_addr[2] = {0,};
-    rt_size_t ret = 0;
-    RT_ASSERT(dev != 0);
-
-    fm24clxx = (struct fm24clxx_device *) dev;
-
-    RT_ASSERT(fm24clxx->parent.user_data != 0);
-    cfg = (const struct fm24clxx_config *) fm24clxx->parent.user_data;
-
-    if(pos > cfg->size)
-    {
-         return 0;
-    }
-
-    if(pos + size > cfg->size)
-    {
-         size = cfg->size - pos;
-    }
-
-    msg[0].addr     = cfg->addr;
-    msg[0].flags    = cfg->flags | RT_I2C_WR;
-    mem_addr[0]     = (pos >> 8);
-    mem_addr[1]     = (rt_uint8_t) pos;
-    msg[0].buf      = (rt_uint8_t *) mem_addr;
-    msg[0].len      =  2;
-
-    msg[1].addr     = cfg->addr;
-    msg[1].flags    = cfg->flags | RT_I2C_WR | RT_I2C_NO_START;
-    msg[1].buf      = (rt_uint8_t *) buffer;
-    msg[1].len      = size;
-
-    ret = rt_i2c_transfer(fm24clxx->bus, msg, 2);
-    return (ret == 2) ? size : 0;
-}
-
-#ifdef RT_USING_DEVICE_OPS
-const static struct rt_device fm24clxx_ops =
-{
-    fm24clxx_init,
-    fm24clxx_open,
-    fm24clxx_close,
-    fm24clxx_read,
-    fm24clxx_write,
-    fm24clxx_control
-};
-#endif
-
-rt_err_t fm24clxx_register(const char *fm_device_name, const char *i2c_bus, void *user_data)
-{
-    static struct fm24clxx_device fm24clxx_drv;
-    struct rt_i2c_bus_device *bus;
-
-    bus = rt_i2c_bus_device_find(i2c_bus);
-    if (bus == RT_NULL)
-    {
-        return RT_ENOSYS;
-    }
-
-    fm24clxx_drv.bus = bus;
-    fm24clxx_drv.parent.type      = RT_Device_Class_Block;
-#ifdef RT_USING_DEVICE_OPS
-    fm24clxx_drv.parent.ops       = &fm24clxx_ops;
-#else
-    fm24clxx_drv.parent.init      = fm24clxx_init;
-    fm24clxx_drv.parent.open      = fm24clxx_open;
-    fm24clxx_drv.parent.close     = fm24clxx_close;
-    fm24clxx_drv.parent.read      = fm24clxx_read;
-    fm24clxx_drv.parent.write     = fm24clxx_write;
-    fm24clxx_drv.parent.control   = fm24clxx_control;
-#endif
-
-    fm24clxx_drv.parent.user_data = user_data;
-
-    return rt_device_register(&fm24clxx_drv.parent, fm_device_name, RT_DEVICE_FLAG_RDWR);
-}
\ No newline at end of file

components/drivers/i2c/fm24clxx.h

-/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-07-14     aubr.cool    1st version
- */
-
-#ifndef __FM24CLXX_H__
-#define __FM24CLXX_H__
-
-#include <rtthread.h>
-
-struct fm24clxx_config
-{
-    rt_uint32_t              size;
-    rt_uint16_t              addr;
-    rt_uint16_t              flags;
-};
-
-extern rt_err_t fm24clxx_register(const char *e2m_device_name,
-                                  const char *i2c_bus, void *user_data);
-
-#endif /*__FM24CLXX_H__*/
\ No newline at end of file