Hannes Mayer wrote: > Hi Jan! > > Jan Kiszka wrote: > [...] > >>> rtser[X] should be available as soon as xeno_16550A is loaded, right ? >> >> >> >> Only when you provided the correct module parameters... Isn't that >> documented somewhere? Don't remember right now, but if not, this >> requires fixing. Check what's available on your box via >> /proc/xenomai/rtdm. > > > E.g.: > # cat named_devices > Hash Name /proc > > I didn't find any page so far documenting the parameters, but they > should be > something like this ? > # insmod /usr/realtime/modules/xeno_16550A.ko ioaddr=3f8 irq=4 > tx_fifo=10 start_index=0
Almost: ioaddr=0x3f8 Ok, we need some README about xeno_16550A somewhere. Where would you look for information first? > But I get: > insmod: error inserting '/usr/realtime/modules/xeno_16550A.ko': -1 > Device or resource busy > > During boot, this appears in the kernel log: > Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled > ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A > ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A > Maybe this is causing the device to be busy ? > "setserial /dev/ttyS0 uart none" releases the first port. Also something for a README. :-/ Jan
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