初始提交

2024-09-28 14:24:04 +08:00
commit c756587541
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--- a/export/inc/utils/iot_crc_api.h
+++ b/export/inc/utils/iot_crc_api.h
@@ -0,0 +1,134 @@
+/****************************************************************************
+
+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_CRC_API_H
+#define IOT_CRC_API_H
+
+/* os shim includes */
+#include "os_types_api.h"
+#include "os_mem_api.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define IOT_CRC_DBG_ENABLE              (0)
+/* define crc16 type */
+#define IOT_CRC16_TYPE_CCITT            (0)
+#define IOT_CRC16_TYPE_CCITT_FALSE      (1)
+#define IOT_CRC16_TYPE_XMODEM           (2)
+#define IOT_CRC16_TYPE_X25              (3)
+#define IOT_CRC16_TYPE_BT               (4)
+
+/** \defgroup MISC_APIs MISC APIs
+ *  @brief MISC APIs
+ *
+ *
+ */
+
+/** @addtogroup MISC_APIs
+ * @{
+ *
+ */
+
+/**
+ * brief: get 32bit CRC value from a byte stream with init vector
+ * @param init_vect:    the init vector
+ * @param buffer:       buffer with data for crc calculating
+ * @param len:          length of the buffer
+ * @retval:             the CRC of data in buffer
+ */
+uint32_t iot_getcrc32_update(uint32_t init_vect, uint8_t *buffer, uint32_t len);
+
+/**
+ * brief: get 32bit CRC value from a byte stream
+ * @param buffer:       buffer with data for crc calculating
+ * @param len:          length of the buffer
+ * @retval:             the CRC of data in buffer
+ */
+uint32_t iot_getcrc32(uint8_t *buffer, uint32_t len);
+
+/**
+ * brief: get high 16 bits value of the 32bit CRC value from a byte stream
+ * @param buffer:       buffer with data for crc calculating
+ * @param len:          length of the buffer
+ * @retval:             high 16 bits value of the 32bit CRC
+ */
+uint16_t iot_getcrc32_h16(uint8_t *buffer, uint32_t len);
+
+/**
+ * brief: get 24bit CRC value from a byte stream with init vector
+ * @param init_vect:    the init vector
+ * @param buffer:       buffer with data for crc calculating
+ * @param len:          length of the buffer
+ * @retval:             the CRC of data in buffer
+ */
+uint32_t iot_getcrc24_update(uint32_t init_vect, uint8_t *buffer, uint32_t len);
+
+/**
+ * brief: get 24bit CRC value from a byte stream
+ * @param buffer:       buffer with data for crc calculating
+ * @param len:          length of the buffer
+ * @retval:             the CRC of data in buffer
+ */
+uint32_t iot_getcrc24(uint8_t *buffer, uint32_t len);
+
+/**
+ * brief: get 16bit crc_xmodem value from a byte stream with init vector
+ * @param init_vect:    the init vector
+ * @param buffer:       buffer with data for crc calculating
+ * @param len:          length of the buffer
+ * @param reverse_flag: reverse buffer data
+ * @retval:             the CRC of data in buffer
+ */
+uint16_t iot_getcrc16_update(uint16_t init_vect, uint8_t *buffer,
+    uint32_t len, uint8_t reverse_flag);
+
+/**
+ * brief: get 16bit crc_xmodem value from a byte stream
+ * @param buffer:       buffer with data for crc calculating
+ * @param len:          length of the buffer
+ * @param crc16_type:   crc16 type see - IOT_CRC16_TYPE_XXX
+ * @retval:             the CRC of data in buffer
+ */
+uint16_t iot_getcrc16(uint8_t *buffer, uint32_t len, uint8_t crc16_type);
+
+/**
+ * brief: get 8bit CRC value from a byte stream with init vector
+ * @param init_vect:    the init vector
+ * @param buffer:       buffer with data for crc calculating
+ * @param len:          length of the buffer
+ * @retval:             the CRC of data in buffer
+ */
+uint8_t iot_getcrc8_update(uint8_t init_vect, uint8_t *buffer, uint32_t len);
+
+/**
+ * brief: get 8bit CRC value from a byte stream
+ * @param buffer:       buffer with data for crc calculating
+ * @param len:          length of the buffer
+ * @retval:             the CRC of data in buffer
+ */
+uint8_t iot_getcrc8(uint8_t *buffer, uint32_t len);
+
+/**
+  * @}
+  */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IOT_CRC_API_H */