更新硬件SDK

sdk/合宙/air780e/csdk/luatos-soc-2022/interface/include/luat_i2c.h

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2022 OpenLuat & AirM2M
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef LUAT_I2C_H
+#define LUAT_I2C_H
+
+#include "luat_base.h"
+#include "luat_i2c_legacy.h"
+
+/**
+ * @ingroup luatos_device 外设接口
+ * @{
+ */
+/**
+ * @defgroup luatos_device_i2c I2C接口
+ * @{
+*/
+
+/**
+ * @brief 检查i2c是否存在
+ * 
+ * @param id i2c_id
+ * @return int 
+ */
+int luat_i2c_exist(int id);
+
+/**
+ * @brief 初始化i2c
+ * 
+ * @param id i2c_id
+ * @param speed i2c 速度
+ * @param slaveaddr i2c 从地址
+ * @return int 
+ */
+int luat_i2c_setup(int id, int speed);
+
+/**
+ * @brief 关闭 i2c
+ * 
+ * @param id i2c_id
+ * @return int 
+ */
+int luat_i2c_close(int id);
+
+/**
+ * @brief I2C 发送数据
+ * 
+ * @param id i2c_id
+ * @param addr 7位设备地址
+ * @param buff 数据buff
+ * @param len 数据长度
+ * @param stop 是否发送停止位
+ * @return int 
+ */
+int luat_i2c_send(int id, int addr, void* buff, size_t len, uint8_t stop);
+/**
+ * @brief I2C 接受数据
+ * 
+ * @param id i2c_id
+ * @param addr 7位设备地址
+ * @param buff 数据buff
+ * @param len 数据长度
+ * @return int 
+ */
+int luat_i2c_recv(int id, int addr, void* buff, size_t len);
+/**
+ * @brief I2C 收发数据
+ * 
+ * @param id i2c_id
+ * @param addr 7位设备地址
+ * @param reg 发送数据
+ * @param reg_len 发送数据长度
+ * @param buff 数据buff
+ * @param len 数据长度
+ * @return int 
+ */
+int luat_i2c_transfer(int id, int addr, uint8_t *reg, size_t reg_len, uint8_t *buff, size_t len);
+/** @}*/
+/** @}*/
+#endif