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| author | Uwe Hermann <uwe@hermann-uwe.de> | 2014-01-22 22:43:21 +0100 |
|---|---|---|
| committer | Uwe Hermann <uwe@hermann-uwe.de> | 2014-01-28 22:46:05 +0100 |
| commit | 4c3b1846c9c307c1c35f86d259ddb968ed92718d (patch) | |
| tree | ae696f3a6321c0dc50bf1d1cfffa54138bd2a428 /decoders/usb_signalling | |
| parent | 37e4c724efa64dd6061f7bb83f126b81da949771 (diff) | |
| download | libsigrokdecode-4c3b1846c9c307c1c35f86d259ddb968ed92718d.tar.gz libsigrokdecode-4c3b1846c9c307c1c35f86d259ddb968ed92718d.zip | |
All PDs: Improve/fix descriptions.
Diffstat (limited to 'decoders/usb_signalling')
| -rw-r--r-- | decoders/usb_signalling/__init__.py | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/decoders/usb_signalling/__init__.py b/decoders/usb_signalling/__init__.py index 32902e4..2311b1f 100644 --- a/decoders/usb_signalling/__init__.py +++ b/decoders/usb_signalling/__init__.py @@ -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/ |