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2024-07-25 - 12:48

Dates and Events:

OSADL Articles:

2023-11-12 12:00

Open Source License Obligations Checklists even better now

Import the checklists to other tools, create context diffs and merged lists

2023-03-01 12:00

Embedded Linux distributions

Results of the online "wish list"

2022-01-13 12:00

Phase #3 of OSADL project on OPC UA PubSub over TSN successfully completed

Another important milestone on the way to interoperable Open Source real-time Ethernet has been reached

2021-02-09 12:00

Open Source OPC UA PubSub over TSN project phase #3 launched

Letter of Intent with call for participation is now available

OSADL Downloads

Download Driver-to-Program Signal Tester


Download the file archive backfire-0.5.tgz and type:

# tar -zxvf backfire-0.5.tgz
# cd backfire-0.5
# make
# modprobe backfire

Test the principle of the backfire driver:

# head -1 /dev/backfire
# trap "echo Got signal 7" 7
# echo 7 >/dev/backfire
Got signal 7
# head -1 /dev/backfire

Start a measurement loop to check out your kernel's signal sending performance:

# ./sendme -a -p99 -l1000000
Samples: 1000000
To: Min 0, Cur 0, Avg 1, Max 11
From: Min 2, Cur 3, Avg 3, Max 43

Some more details are given in the respective man pages backfire.4 and sendme.8.

File archive


Utility sendme and backfire driver

5.5 K