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| author | Uwe Hermann <uwe@hermann-uwe.de> | 2012-07-03 19:13:03 +0200 |
|---|---|---|
| committer | Uwe Hermann <uwe@hermann-uwe.de> | 2012-07-04 01:05:24 +0200 |
| commit | 39c462df45e8f5555e4ac695c12e328ba7adcafe (patch) | |
| tree | 11fb3b20fe94ca681ffd86f44be7366cb9ddad1f /onewire | |
| parent | 3e5a7b35ce7d0a14d998e34fa2fc530ca1ba615b (diff) | |
| download | sigrok-dumps-39c462df45e8f5555e4ac695c12e328ba7adcafe.tar.gz sigrok-dumps-39c462df45e8f5555e4ac695c12e328ba7adcafe.zip | |
onewire/owfs: README: Cosmetics, fix typos.
Diffstat (limited to 'onewire')
| -rw-r--r-- | onewire/owfs/README | 91 |
1 files changed, 50 insertions, 41 deletions
diff --git a/onewire/owfs/README b/onewire/owfs/README index b2bc5b6..0fe975e 100644 --- a/onewire/owfs/README +++ b/onewire/owfs/README @@ -1,64 +1,73 @@ -This directory contains waveforms generated with OWFS +------------------------------------------------------------------------------- +Onewire/OWFS dumps +------------------------------------------------------------------------------- +This directory contains 1-Wire aveforms generated with OWFS. -Tools: +Details: +TODO. -- Logic Analyzer: Tektronix TLA 613 -- Sowtware: - - Ubuntu 12.04 (Precise Pangolin) - - owfs 2.8p15 -- 1-Wire master: home made from: - - PL2303 (USB to UART) - - DS2480B (UART to 1-Wire) +Tools used: + - Logic Analyzer: Tektronix TLA 613 + - Software: owfs 2.8p15 + - 1-Wire master: home made from + - PL2303 (USB to UART) + - DS2480B (UART to 1-Wire) 1-Wire MicroLan: Two thermometers were attached to the bus (only the data line was connected, power was not): -- DS28EA00 (1-Wire Digital Thermometer with Sequence Detect and PIO) -- DS18B20 (Programmable Resolution 1-Wire Digital Thermometer) + + - DS28EA00 (1-Wire Digital Thermometer with Sequence Detect and PIO) + - DS18B20 (Programmable Resolution 1-Wire Digital Thermometer) The server was started as: -$ owserver -d /dev/ttyUSB0 + + $ owserver -d /dev/ttyUSB0 -Three dumps were created: +owdir.sr (samplerate = 1MHz) +---------------------------- -1) "owdir.sr" (samplerate = 1MHz) A request to list devices connected to the bus was performed: -$ owdir -/28.9BCFC8000000 -/42.A8A603000000 -/bus.0 -/uncached -/settings -/system -/statistics -/structure -/simultaneous -/alarm -2) "DS18B20.sr" (samplerate = 1MHz) -A read temperathure request was performed for the specified device: -$ owread /28.9BCFC8000000/temperature - 25.5 + $ owdir + /28.9BCFC8000000 + /42.A8A603000000 + /bus.0 + /uncached + /settings + /system + /statistics + /structure + /simultaneous + /alarm + + +DS18B20.sr (samplerate = 1MHz) +------------------------------ + +A read temperature request was performed for the specified device: + + $ owread /28.9BCFC8000000/temperature + 25.5 + -2) "DS28EA00.sr" (samplerate = 1MHz) -A read temperathure request was performed for the specified device: -$ owread /42.A8A603000000/temperature - 26.875 +DS28EA00.sr (samplerate = 1MHz) +------------------------------- +A read temperature request was performed for the specified device: -Conversion from TXT to sigrok dumps: + $ owread /42.A8A603000000/temperature + 26.875 -The provided dumps were exported from Flextronix TLA 613 logic analizer as text -files. A simple Python script was used to convert this dumps first into a -binary file and then into a sigrok standard dump. +Conversion from TXT to sigrok dumps +----------------------------------- -Decoding 1-Wire dumps +The provided dumps were exported from a Flextronix TLA 613 logic analyzer +(as text files). A simple Python script was used to convert these dumps, +first into a binary file and then into a sigrok session file. -sigrok-cli -i owdir.sr -a onewire:owr=0 -sigrok-cli -i DS18B20.sr -a onewire:owr=0 -sigrok-cli -i DS28EA00.sr -a onewire:owr=0 |