Linux temps réel embarqué et outils de développements Technique


sleepenh Sleep until a given date with subsecond resolution
Installed size 64
Maintainer Pedro Zorzenon Neto <pzn@debian.org>
Architecture i386
Version 1.2-2.1
Depends libc6 (>= 2.3.6-6)
Suggests slashem-x11 | slashem-sdl | slashem-gtk
File name pool/main/s/sleepenh/sleepenh_1.2-2.1_i386.deb
Description sleepenh is an sleep program for using in shell scripts that need to perform a loop that repeats at a regular time interval, without cumulative errors. . It supports microsecond resolution. . You can also specify the time you need between two calls of sleepenh. . Here follows an usage example to clarify its purpose. This example sends 'A' to ttyS0 every 1.2 seconds. #!/bin/sh # does not wait (or wait 0), just to get initial timestamp TIMESTAMP=`sleepenh 0` while true; do # send the byte to ttyS0 echo -n "A" > /dev/ttyS0; # wait until the required time TIMESTAMP=`sleepenh $TIMESTAMP 1.200`; done . For more details, please read the manpage.

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