初始提交

2024-09-28 14:24:04 +08:00
commit c756587541
5564 changed files with 2413077 additions and 0 deletions
--- a/export/inc/bsp/iot_i2c_api.h
+++ b/export/inc/bsp/iot_i2c_api.h
@@ -0,0 +1,128 @@
+/****************************************************************************
+
+Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
+
+This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
+be copied by any method or incorporated into another program without
+the express written consent of Aerospace C.Power. This Information or any portion
+thereof remains the property of Aerospace C.Power. The Information contained herein
+is believed to be accurate and Aerospace C.Power assumes no responsibility or
+liability for its use in any way and conveys no license or title under
+any patent or copyright and makes no representation or warranty that this
+Information is free from patent or copyright infringement.
+
+****************************************************************************/
+#ifndef IOT_I2C_API_H
+#define IOT_I2C_API_H
+
+/* export includes */
+#include "os_lock_api.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define IOT_I2C_PORT_0   0
+#define IOT_I2C_PORT_1   1
+#define IOT_I2C_PORT_2   2
+/*just for kunlun3*/
+#define IOT_I2C_PORT_3   3
+
+//#define IOT_I2C_S_PORT_0    0
+//#define IOT_I2C_S_PORT_1    1
+
+#define IOT_I2C_DIRC_RD  1
+#define IOT_I2C_DIRC_WR  0
+
+typedef int (*iot_i2c_fun)(void *);
+
+typedef struct _iot_i2c_gpio_sel {
+    uint8_t scl;
+    uint8_t sda;
+} iot_i2c_gpio_sel_t;
+
+typedef struct _iot_i2c_module_cfg {
+    /** i2c port number */
+    uint8_t port;
+    /** open i2c port count */
+    uint8_t open_cnt;
+    /** i2c resources lock */
+    os_mutex_h lock;
+    /** i2c baudrate, unit is Kb */
+    uint32_t baud;
+    /** wait nack number */
+    uint32_t nack_wait_num;
+    /** gpio number select */
+    iot_i2c_gpio_sel_t gpio;
+} iot_i2c_module_cfg_t;
+
+/**
+ * @brief iot_i2c_write() - i2c write bytes
+ *
+ * @param port          0-i2c0, 1-i2c1
+ * @param addr          adress of slave address
+ * @param buf           the pointer to write data buffer
+ * @param num           the number of write data
+ *
+ * @return              0: write successful
+ * @return              other: write failed
+ *
+ */
+uint8_t iot_i2c_write(uint8_t port, int32_t addr, char *buf, uint8_t num);
+
+/**
+ * @brief iot_i2c_read() - read datas
+ *
+ * @param port          0-i2c0, 1-i2c1
+ * @param addr          adress of slave address
+ * @param buf           the pointer to read data buffer
+ * @param num           the number of read data
+ *
+ * @return              0: read successful
+ * @return              other: read failed
+ *
+ */
+uint8_t iot_i2c_read(uint8_t port, uint32_t addr, char *buf, uint8_t num);
+
+/**
+ * @brief iot_i2c_open() - i2c open
+ *
+ * @param cfg           the pointer of i2c module configure structure
+ *
+ * @return              0: i2c open successful
+ * @return              other: i2c open failed
+ *
+ */
+uint8_t iot_i2c_open(iot_i2c_module_cfg_t *cfg);
+
+/**
+ * @brief iot_i2c_close() - i2c close
+ *
+ * @param port          i2c port
+ *
+ * @return              0: i2c close successful
+ * @return              other: i2c close failed
+ *
+ */
+uint8_t iot_i2c_close(uint8_t port);
+
+
+/**
+ * @brief iot_i2c_module_init() - i2c module initialize
+ *
+ * @param cfg           the pointer of i2c module configure structure
+ *
+ * @return              0: i2c init successful
+ * @return              other: i2c init failed
+ *
+ */
+uint8_t iot_i2c_module_init(iot_i2c_module_cfg_t *cfg);
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IOT_I2C_API_H */
+