feat(mbedtls): remove util algorithm and add them to esp8266 rom and mbedtls

components/esp8266/include/esp_crc.h

@@ -0,0 +1,138 @@
+// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef __CRC_H_
+#define __CRC_H_
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** \defgroup uart_apis, uart configuration and communication related apis
+  * @brief uart apis
+  */
+
+/** @addtogroup uart_apis
+  * @{
+  */
+
+
+/* Standard CRC8/16/32 algorithms. */
+// CRC-8        x8+x2+x1+1              0x07
+// CRC16-CCITT  x16+x12+x5+1   1021   ISO HDLC, ITU X.25, V.34/V.41/V.42, PPP-FCS
+// CRC32:
+//G(x) = x32 +x26 + x23 + x22 + x16 + x12 + x11 + x10 + x8 + x7 + x5 + x4 + x2 + x1 + 1
+//If your buf is not continuous, you can use the first result to be the second parameter.
+
+/**
+  * @brief Crc32 value that is in little endian.
+  *
+  * @param  uint32_t crc : init crc value, use 0 at the first use.
+  *
+  * @param  uint8_t const *buf : buffer to start calculate crc.
+  *
+  * @param  uint32_t len : buffer length in byte.
+  *
+  * @return None
+  */
+uint32_t crc32_le(uint32_t crc, uint8_t const *buf, uint32_t len);
+
+/**
+  * @brief Crc32 value that is in big endian.
+  *
+  * @param  uint32_t crc : init crc value, use 0 at the first use.
+  *
+  * @param  uint8_t const *buf : buffer to start calculate crc.
+  *
+  * @param  uint32_t len : buffer length in byte.
+  *
+  * @return None
+  */
+uint32_t crc32_be(uint32_t crc, uint8_t const *buf, uint32_t len);
+
+/**
+  * @brief Crc16 value that is in little endian.
+  *
+  * @param  uint16_t crc : init crc value, use 0 at the first use.
+  *
+  * @param  uint8_t const *buf : buffer to start calculate crc.
+  *
+  * @param  uint32_t len : buffer length in byte.
+  *
+  * @return None
+  */
+uint16_t crc16_le(uint16_t crc, uint8_t const *buf, uint32_t len);
+
+/**
+  * @brief Crc16 value that is in big endian.
+  *
+  * @param  uint16_t crc : init crc value, use 0 at the first use.
+  *
+  * @param  uint8_t const *buf : buffer to start calculate crc.
+  *
+  * @param  uint32_t len : buffer length in byte.
+  *
+  * @return None
+  */
+uint16_t crc16_be(uint16_t crc, uint8_t const *buf, uint32_t len);
+
+/**
+  * @brief Crc8 value that is in little endian.
+  *
+  * @param  uint8_t crc : init crc value, use 0 at the first use.
+  *
+  * @param  uint8_t const *buf : buffer to start calculate crc.
+  *
+  * @param  uint32_t len : buffer length in byte.
+  *
+  * @return None
+  */
+uint8_t crc8_le(uint8_t crc, uint8_t const *buf, uint32_t len);
+
+/**
+  * @brief Crc8 value that is in big endian.
+  *
+  * @param  uint32_t crc : init crc value, use 0 at the first use.
+  *
+  * @param  uint8_t const *buf : buffer to start calculate crc.
+  *
+  * @param  uint32_t len : buffer length in byte.
+  *
+  * @return None
+  */
+uint8_t crc8_be(uint8_t crc, uint8_t const *buf, uint32_t len);
+
+/**
+  * @brief  A crc8 algorithm used in efuse check.
+  *
+  * @param  uint8_t const *p : Pointer to original data.
+  *
+  * @param  uint32_t len : Data length in byte.
+  *
+  * @return uint8_t: Crc value.
+  */
+uint8_t esp_crc8(uint8_t const *p, uint32_t len);
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif