diff options
Diffstat (limited to 'decoders/maxim_ds28ea00/__init__.py')
| -rw-r--r-- | decoders/maxim_ds28ea00/__init__.py | 35 |
1 files changed, 5 insertions, 30 deletions
diff --git a/decoders/maxim_ds28ea00/__init__.py b/decoders/maxim_ds28ea00/__init__.py index c6f063d..590ee63 100644 --- a/decoders/maxim_ds28ea00/__init__.py +++ b/decoders/maxim_ds28ea00/__init__.py @@ -19,38 +19,13 @@ ## ''' -1-Wire protocol decoder. +Maxim DS28EA00 protocol decoder. -The 1-Wire protocol enables bidirectional communication over a single wire (and -ground) between a single master and one or multiple slaves. The protocol is -layered. -- Link layer (reset, presence detection, reading/writing bits) -- Network layer (skip/search/match device ROM addresses) -- Transport layer (transport data between 1-Wire master and device) +The Maxim DS28EA00 is a 1-Wire digital thermometer with Sequence Detect +and PIO functionality. -Transport layer - -The transport layer is the largest and most complex part of the protocol, since -it is very device specific. The decoder is parsing only a small part of the -protocol. - -Annotations: -The next link layer annotations are shown: -- RESET/PRESENCE True/False - The event is marked from the signal negative edge to the end of the reset - high period. It is also reported if there are any devices attached to the - bus. -The next network layer annotations are shown: -- ROM val - The 64bit value of the addressed device is displayed: - family code (1B) + serial number (6B) + CRC (1B) -- FUNCTION COMMAND val name - The requested FUNCTION command is displayed as an 8bit HEX value and by name. -- DATA val - Data intended for the transport layer is displayed as an 8bit HEX value. - -TODO: -- add CRC checks for transport layer +Details: +TODO ''' from .maxim_ds28ea00 import * |