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Lyon-Zovey
97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/*
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SPDX-License-Identifier: MIT
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MIT License
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Copyright (c) 2021 Rop Gonggrijp.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#ifndef __I2CDEV_H__
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#define __I2CDEV_H__
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#include "driver/i2c_master.h"
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#include "hal/i2c_types.h"
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#include <esp_err.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/semphr.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// i2cdev-compatible I2C device descriptor for ESP-IDF v5.x
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typedef struct
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{
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i2c_port_t port;
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uint8_t addr;
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i2c_master_dev_handle_t dev_handle; // 新的设备句柄
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SemaphoreHandle_t mutex;
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uint32_t timeout_ticks;
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} i2c_dev_t;
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// 函数声明
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esp_err_t i2cdev_init();
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esp_err_t i2cdev_done();
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esp_err_t i2c_dev_create_mutex(i2c_dev_t *dev);
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esp_err_t i2c_dev_delete_mutex(i2c_dev_t *dev);
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esp_err_t i2c_dev_take_mutex(i2c_dev_t *dev);
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esp_err_t i2c_dev_give_mutex(i2c_dev_t *dev);
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esp_err_t i2c_dev_read(const i2c_dev_t *dev, const void *out_data,
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size_t out_size, void *in_data, size_t in_size);
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esp_err_t i2c_dev_write(const i2c_dev_t *dev, const void *out_reg,
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size_t out_reg_size, const void *out_data, size_t out_size);
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esp_err_t i2c_dev_read_reg(const i2c_dev_t *dev, uint8_t reg,
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void *in_data, size_t in_size);
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esp_err_t i2c_dev_write_reg(const i2c_dev_t *dev, uint8_t reg,
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const void *out_data, size_t out_size);
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#define I2C_DEV_TAKE_MUTEX(dev) do { \
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esp_err_t __ = i2c_dev_take_mutex(dev); \
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if (__ != ESP_OK) return __;\
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} while (0)
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#define I2C_DEV_GIVE_MUTEX(dev) do { \
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esp_err_t __ = i2c_dev_give_mutex(dev); \
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if (__ != ESP_OK) return __;\
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} while (0)
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#define I2C_DEV_CHECK(dev, X) do { \
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esp_err_t ___ = X; \
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if (___ != ESP_OK) { \
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I2C_DEV_GIVE_MUTEX(dev); \
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return ___; \
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} \
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} while (0)
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#define I2C_DEV_CHECK_LOGE(dev, X, msg, ...) do { \
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esp_err_t ___ = X; \
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if (___ != ESP_OK) { \
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I2C_DEV_GIVE_MUTEX(dev); \
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ESP_LOGE(TAG, msg, ## __VA_ARGS__); \
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return ___; \
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} \
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} while (0)
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#ifdef __cplusplus
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}
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#endif
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#endif /* __I2CDEV_H__ */ |