From 4c3b1846c9c307c1c35f86d259ddb968ed92718d Mon Sep 17 00:00:00 2001 From: Uwe Hermann Date: Wed, 22 Jan 2014 22:43:21 +0100 Subject: All PDs: Improve/fix descriptions. --- decoders/usb_packet/__init__.py | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'decoders/usb_packet') diff --git a/decoders/usb_packet/__init__.py b/decoders/usb_packet/__init__.py index 555dc7f..06b67b9 100644 --- a/decoders/usb_packet/__init__.py +++ b/decoders/usb_packet/__init__.py @@ -19,7 +19,8 @@ ## ''' -USB (low-speed and full-speed) packet protocol decoder. +This decoder stacks on top of the 'usb_signalling' PD and decodes the USB +(low-speed and full-speed) packet protocol. Protocol layer (USB spec, chapter 8): @@ -35,9 +36,6 @@ PID: A PID (packet identifier) follows the SYNC field of every packet. A PID consists of a 4-bit packet type field, and a 4 bit check field. The check field is the one's complement of the packet type field. -Protocol output format: -TODO - Details: https://en.wikipedia.org/wiki/USB http://www.usb.org/developers/docs/ -- cgit v1.2.3-70-g09d2