1-Wire® library for mbed. Complete 1-Wire library that supports our silicon masters along with a bit-bang master on the MAX32600MBED platform with one common interface for mbed. Slave support has also been included and more slaves will be added as time permits.
Dependents: MAXREFDES131_Qt_Demo MAX32630FTHR_iButton_uSD_Logger MAX32630FTHR_DS18B20_uSD_Logger MAXREFDES130_131_Demo ... more
Superseded by MaximInterface.
Diff: Masters/OneWireMaster.cpp
- Revision:
- 78:0cbbac7f2016
- Parent:
- 77:529edb329ee0
- Child:
- 82:c11090a32471
--- a/Masters/OneWireMaster.cpp Mon May 16 10:36:30 2016 -0500 +++ b/Masters/OneWireMaster.cpp Mon May 16 15:18:09 2016 -0500 @@ -103,35 +103,6 @@ return result; } -uint16_t OneWireMaster::calculateCrc16(uint16_t crc16, uint16_t data) -{ - const uint16_t oddparity[] = { 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0 }; - - data = (data ^ (crc16 & 0xff)) & 0xff; - crc16 >>= 8; - - if (oddparity[data & 0xf] ^ oddparity[data >> 4]) - { - crc16 ^= 0xc001; - } - - data <<= 6; - crc16 ^= data; - data <<= 1; - crc16 ^= data; - - return crc16; -} - -uint16_t OneWireMaster::calculateCrc16(const uint8_t * data, size_t dataOffset, size_t dataLen, uint16_t crc) -{ - for (size_t i = dataOffset; i < (dataLen + dataOffset); i++) - { - crc = calculateCrc16(crc, data[i]); - } - return crc; -} - void OneWireMaster::SearchState::reset() { last_discrepancy = 0;