更新硬件SDK

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

@@ -0,0 +1,104 @@
+/*
+ * 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_SPI_H
+#define LUAT_SPI_H
+
+#include "luat_base.h"
+#include "luat_spi_legacy.h"
+
+/**
+ * @ingroup luatos_device 外设接口
+ * @{
+ */
+
+/**
+ * @defgroup luatos_device_spi SPI接口
+ * @{
+*/
+
+/**
+ * @brief SPI功能配置
+ */
+typedef struct luat_spi
+{
+    int  id;            /**< spi id        可选  1，0*/
+    int  CPHA;          /**< CPHA          可选  1，0*/  
+    int  CPOL;          /**< CPOL          可选  1，0*/  
+    int  dataw;         /**< 数据宽度        8：8bit */
+    int  bit_dict;      /**< 高低位顺序     可选  1：MSB，   0：LSB     */  
+    int  master;        /**< 设置主从模式   可选  1：主机，  0：从机     */  
+    int  mode;          /**< 设置全\半双工  可选  1：全双工，0：半双工    */  
+    int bandrate;       /**< 频率           最小100000， 最大25600000*/  
+    int cs;             /**< cs控制引脚     SPI0的片选为GPIO8, 当配置为8时，表示启用SPI0自带片选；其他配置时，需要自行编码控制片选*/  
+} luat_spi_t;
+
+
+/**
+ * @brief 初始化配置SPI各项参数，并打开SPI
+ * 
+ * @param spi spi结构体
+ * @return int 成功返回0
+ */
+int luat_spi_setup(luat_spi_t* spi);
+
+/**
+ * @brief 关闭SPI
+ * 
+ * @param spi_id spi id
+ * @return int 成功返回0
+ */
+int luat_spi_close(int spi_id);
+
+/**
+ * @brief 收发SPI数据
+ * 
+ * @param spi_id spi id
+ * @param send_buf 发送数据
+ * @param send_length 发送数据长度
+ * @param recv_buf 接收数据
+ * @param recv_length 接收数据长度
+ * @return int 返回接收字节数
+ */
+int luat_spi_transfer(int spi_id, const char* send_buf, size_t send_length, char* recv_buf, size_t recv_length);
+
+/**
+ * @brief 收SPI数据
+ * 
+ * @param spi_id spi id
+ * @param recv_buf 接收数据
+ * @param length 数据长度
+ * @return int 返回接收字节数
+ */
+int luat_spi_recv(int spi_id, char* recv_buf, size_t length);
+
+/**
+ * @brief 发SPI数据
+ * 
+ * @param spi_id spi id
+ * @param send_buf 发送数据
+ * @param length 数据长度
+ * @return int 返回发送字节数
+ */
+int luat_spi_send(int spi_id, const char* send_buf, size_t length);
+/**@}*/
+/**@}*/
+#endif