X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=decoders%2Fusb_signalling%2F__init__.py;h=2311b1f3c5af73376d0dcea41c83a178d3beecbf;hp=98ae8723e90a3451466e36d9b9499e1474186d48;hb=84c1c0b52820af2418186ac3ecf93a5c6373a22e;hpb=24c74fd30fb161837c5f8b01baf3c0fe2dfa4ed5 diff --git a/decoders/usb_signalling/__init__.py b/decoders/usb_signalling/__init__.py index 98ae872..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): @@ -43,9 +43,6 @@ 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/