1-Wire - Frame Format

Output Frame Format

Frame Type: "reset"

Property
Type
Description
  • Reset pulse

Frame Type: "presence"

Property
Type
Description
  • Presence Pulse

Frame Type: "rom_command"

Property
Type
Description
description
str
read, skip, search, or match
rom_command
bytes
The command byte
  • ROM command. This is the first command issued by the master after a presence pulse

Frame Type: "crc"

Property
Type
Description
crc
bytes
The CRC byte
  • 8 bit CRC, last part of the 64 bit identifier

Frame Type: "family_code"

Property
Type
Description
family
bytes
The family code, which is the first part of the 64 bit identifier
  • The family code of the device ID

Frame Type: "id"

Property
Type
Description
id
int
48 bit integer, taken from the center of the 64 bit identifier
  • The 48 bit device identifier

Frame Type: "data"

Property
Type
Description
data
bytes
A single data byte
  • Data byte after the ROM command and identifier

Frame Type: "invalid_rom_command"

Property
Type
Description
rom_command
bytes
The ROM command byte
  • Unknown ROM command

Frame Type: "alarm"

Property
Type
Description
rom_command
bytes
The command byte
  • Alarm search command
Last modified 1mo ago
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