X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=decoders%2Fusb_signalling%2F__init__.py;h=2311b1f3c5af73376d0dcea41c83a178d3beecbf;hb=58e7e508ded52194ed06a23a48f169779f4c7708;hp=026875c538d210e0244ae241e8f4df5315ad1aa1;hpb=2dc6d41c64a8235308e61b4f9b509c7fecb2b502;p=libsigrokdecode.git diff --git a/decoders/usb_signalling/__init__.py b/decoders/usb_signalling/__init__.py index 026875c..2311b1f 100644 --- a/decoders/usb_signalling/__init__.py +++ b/decoders/usb_signalling/__init__.py @@ -1,5 +1,5 @@ ## -## This file is part of the sigrok project. +## This file is part of the libsigrokdecode project. ## ## Copyright (C) 2012 Uwe Hermann ## @@ -19,7 +19,7 @@ ## ''' -USB (low-speed and full-speed) signalling protocol decoder. +This PD decodes the USB (low-speed and full-speed) signalling protocol. Electrical/signalling layer (USB spec, chapter 7): @@ -43,13 +43,10 @@ Data is transferred at a rate of 1.5Mbit/s (low-speed) / 12Mbit/s (full-speed). The SE0 transmitted to signal an end-of-packet is two bit intervals long (low-speed: 1.25uS - 1.50uS, full-speed: 160ns - 175ns). -Protocol output format: -TODO - Details: https://en.wikipedia.org/wiki/USB http://www.usb.org/developers/docs/ ''' -from .usb_signalling import * +from .pd import *