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刘可亮
2024-06-04 19:00:30 +08:00
parent 990c72f5be
commit 0a13af6a1d
1668 changed files with 342810 additions and 37726 deletions
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52
packages/third-party/at24cxx/at24cxx.h vendored Normal file
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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-04-13 XiaojieFan the first version
* 2019-12-04 RenMing Use PAGE WRITE instead of BYTE WRITE and input address can be selected
*/
#ifndef __AT24CXX_H__
#define __AT24CXX_H__
#include <rthw.h>
#include <rtthread.h>
#include <rtdevice.h>
#include <board.h>
#define AT24C01 0
#define AT24C02 1
#define AT24C04 2
#define AT24C08 3
#define AT24C16 4
#define AT24C32 5
#define AT24C64 6
#define AT24C128 7
#define AT24C256 8
#define AT24C512 9
#define AT24CTYPE 10 // Number of supported types
#define EE_TWR 5
#ifndef EE_TYPE
#define EE_TYPE AT24C128
#endif
struct at24cxx_device
{
struct rt_i2c_bus_device *i2c;
rt_mutex_t lock;
uint8_t addr_input;
};
typedef struct at24cxx_device *at24cxx_device_t;
extern at24cxx_device_t at24cxx_init(const char *i2c_bus_name, uint8_t addr_input);
extern rt_err_t at24cxx_read(at24cxx_device_t dev, uint32_t r_addr, uint8_t *buffer, uint16_t num_r);
extern rt_err_t at24cxx_write(at24cxx_device_t dev, uint32_t w_addr, uint8_t *buffer, uint16_t num_w);
extern rt_err_t at24cxx_page_read(at24cxx_device_t dev, uint32_t r_addr, uint8_t *buffer, uint16_t num_r);
extern rt_err_t at24cxx_page_write(at24cxx_device_t dev, uint32_t w_addr, uint8_t *buffer, uint16_t num_w);
#endif