Implementation of 1-Wire with added Alarm Search Functionality
Dependents: Max32630_One_Wire_Interface
crc.h@80:83b0d879cc32, 2016-06-02 (annotated)
- Committer:
- j3
- Date:
- Thu Jun 02 21:56:16 2016 +0000
- Revision:
- 80:83b0d879cc32
- Parent:
- 78:0cbbac7f2016
added support for DS1920 temperature i-button
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
IanBenzMaxim | 78:0cbbac7f2016 | 1 | #ifndef OneWire_CRC |
IanBenzMaxim | 78:0cbbac7f2016 | 2 | #define OneWire_CRC |
IanBenzMaxim | 78:0cbbac7f2016 | 3 | |
IanBenzMaxim | 78:0cbbac7f2016 | 4 | #include <stdint.h> |
IanBenzMaxim | 78:0cbbac7f2016 | 5 | #include <stddef.h> |
IanBenzMaxim | 78:0cbbac7f2016 | 6 | |
IanBenzMaxim | 78:0cbbac7f2016 | 7 | namespace OneWire |
IanBenzMaxim | 78:0cbbac7f2016 | 8 | { |
IanBenzMaxim | 78:0cbbac7f2016 | 9 | namespace crc |
IanBenzMaxim | 78:0cbbac7f2016 | 10 | { |
j3 | 80:83b0d879cc32 | 11 | /// Perform a CRC8 calculation. |
j3 | 80:83b0d879cc32 | 12 | /// @param crc8 Beginning state of the CRC generator. |
j3 | 80:83b0d879cc32 | 13 | /// @param data Data to pass though the CRC generator. |
j3 | 80:83b0d879cc32 | 14 | /// @returns The calculated CRC8. |
j3 | 80:83b0d879cc32 | 15 | uint8_t calculateCrc8(uint8_t crc8, uint8_t data); |
j3 | 80:83b0d879cc32 | 16 | |
j3 | 80:83b0d879cc32 | 17 | /// Perform a CRC8 calculation with variable length data. |
j3 | 80:83b0d879cc32 | 18 | /// @param[in] data Data array to pass through the CRC generator. |
j3 | 80:83b0d879cc32 | 19 | /// @param dataLen Length of the data array to process. |
j3 | 80:83b0d879cc32 | 20 | /// @param crc Beginning state of the CRC generator. |
j3 | 80:83b0d879cc32 | 21 | /// @returns The calculated CRC8. |
j3 | 80:83b0d879cc32 | 22 | uint8_t calculateCrc8(const uint8_t * data, size_t dataLen, uint8_t crc = 0); |
j3 | 80:83b0d879cc32 | 23 | |
IanBenzMaxim | 78:0cbbac7f2016 | 24 | /// Perform a CRC16 calculation. |
IanBenzMaxim | 78:0cbbac7f2016 | 25 | /// @param crc16 Beginning state of the CRC generator. |
IanBenzMaxim | 78:0cbbac7f2016 | 26 | /// @param data Data to pass though the CRC generator. |
IanBenzMaxim | 78:0cbbac7f2016 | 27 | /// @returns The calculated CRC16. |
IanBenzMaxim | 78:0cbbac7f2016 | 28 | uint16_t calculateCrc16(uint16_t crc16, uint16_t data); |
IanBenzMaxim | 78:0cbbac7f2016 | 29 | |
IanBenzMaxim | 78:0cbbac7f2016 | 30 | /// Perform a CRC16 calculation with variable length data. |
IanBenzMaxim | 78:0cbbac7f2016 | 31 | /// @param[in] data Data array to pass through the CRC generator. |
IanBenzMaxim | 78:0cbbac7f2016 | 32 | /// @param data_offset Offset of the data array to begin processing. |
IanBenzMaxim | 78:0cbbac7f2016 | 33 | /// @param data_len Length of the data array to process. |
IanBenzMaxim | 78:0cbbac7f2016 | 34 | /// @param crc Beginning state of the CRC generator. |
IanBenzMaxim | 78:0cbbac7f2016 | 35 | /// @returns The calculated CRC16. |
IanBenzMaxim | 78:0cbbac7f2016 | 36 | uint16_t calculateCrc16(const uint8_t * data, size_t dataOffset, size_t dataLen, uint16_t crc = 0); |
IanBenzMaxim | 78:0cbbac7f2016 | 37 | } |
IanBenzMaxim | 78:0cbbac7f2016 | 38 | } |
IanBenzMaxim | 78:0cbbac7f2016 | 39 | |
IanBenzMaxim | 78:0cbbac7f2016 | 40 | #endif |