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| author | Iztok Jeras <iztok.jeras@gmail.com> | 2012-05-12 13:59:59 +0200 |
|---|---|---|
| committer | Uwe Hermann <uwe@hermann-uwe.de> | 2012-07-04 01:05:24 +0200 |
| commit | 3e5a7b35ce7d0a14d998e34fa2fc530ca1ba615b (patch) | |
| tree | 2e02f4144938871faf3149cf44d6be87f77c4f5c /onewire | |
| parent | d26364a9fab697b7e1a29a52049f660b4f8fe5a3 (diff) | |
| download | sigrok-dumps-3e5a7b35ce7d0a14d998e34fa2fc530ca1ba615b.tar.gz sigrok-dumps-3e5a7b35ce7d0a14d998e34fa2fc530ca1ba615b.zip | |
Add some onewire dumps and a README file.
Diffstat (limited to 'onewire')
| -rw-r--r-- | onewire/owfs/DS18B20.sr | bin | 0 -> 2706 bytes | |||
| -rw-r--r-- | onewire/owfs/DS28EA00.sr | bin | 0 -> 2299 bytes | |||
| -rw-r--r-- | onewire/owfs/README | 64 | ||||
| -rw-r--r-- | onewire/owfs/owdir.sr | bin | 0 -> 1319 bytes |
4 files changed, 64 insertions, 0 deletions
diff --git a/onewire/owfs/DS18B20.sr b/onewire/owfs/DS18B20.sr Binary files differnew file mode 100644 index 0000000..b4d96fd --- /dev/null +++ b/onewire/owfs/DS18B20.sr diff --git a/onewire/owfs/DS28EA00.sr b/onewire/owfs/DS28EA00.sr Binary files differnew file mode 100644 index 0000000..bdda32e --- /dev/null +++ b/onewire/owfs/DS28EA00.sr diff --git a/onewire/owfs/README b/onewire/owfs/README new file mode 100644 index 0000000..b2bc5b6 --- /dev/null +++ b/onewire/owfs/README @@ -0,0 +1,64 @@ +This directory contains waveforms generated with OWFS + + +Tools: + +- 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) + + +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) + +The server was started as: +$ owserver -d /dev/ttyUSB0 + + +Three dumps were created: + +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 + +2) "DS28EA00.sr" (samplerate = 1MHz) +A read temperathure request was performed for the specified device: +$ owread /42.A8A603000000/temperature + 26.875 + + +Conversion from TXT to sigrok dumps: + +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. + + +Decoding 1-Wire dumps + +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 diff --git a/onewire/owfs/owdir.sr b/onewire/owfs/owdir.sr Binary files differnew file mode 100644 index 0000000..713ae10 --- /dev/null +++ b/onewire/owfs/owdir.sr |