| /****************************************************************************** |
| * |
| * Copyright (C) 2018 ST Microelectronics S.A. |
| * |
| * 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 ISO13239CRC_H_ |
| #define ISO13239CRC_H_ |
| |
| //************************************ Defines ********************************* |
| #define CRC_PRESET 0xFFFF |
| #define CRC_POLYNOMIAL 0x8408 |
| |
| #include <stdint.h> |
| |
| //************************************ Structs ********************************* |
| |
| //************************************ Functions ******************************* |
| |
| /** |
| * Computes the 16-bit CRC of the specified function. |
| * |
| * @param data The data to compute the CRC over. |
| * @param len The length of the data. |
| * |
| * @return The CRC of the data. -1 if something went wrong. |
| */ |
| uint16_t computeCrc(uint8_t *data, int len); |
| |
| #endif /* ISO13239CRC_H_ */ |
