Hello, on my atom processor based computer is Xenomai installed. (Kernel 2.6.26, 1000Hz, Xenomai 2.4.10, PREEMPT patch, no xenomai application running).
A normal linux application reads serial data from an UART (16550A) and checks by select() function if there are new received bytes. Select() has a timeout parameter, set to 12 milliseconds. Some times it happens that select() waits 43 ms instead of maximum 12 ms. Result value of select() is timeout instead of "byte received". Could this caused by Xenomai? How could I improve it? Thanks and regards, Jens
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