On Saturday 30 August 2003 20:45, James Courtier-Dutton wrote: > Adrian McMenamin wrote: > > On Saturday 30 August 2003 20:14, James Courtier-Dutton wrote: > >>Adrian McMenamin wrote: > >>>I am writing a PCM driver for the AICA device on the Sega Dreamcast for > >>> a 2.6.0-testX kernel. > >>> > >>>The driver is far from complete, but I am having various problems when I > >>>test bits of it... > >>> > >>>A simple write of a file gives me this... > >>> > >>>/dev/snd # cat /test.txt > pcmC0D0p > >>>ALSA sound/sh/aica.c:165: In snd_aica_playback_open > >>>ALSA sound/sh/aica.c:80: Disabling AICA device > >>>ALSA sound/sh/aica.c:66: Enabling AICA device > >>>cat: write: File descriptor in bad state > >>> > >>>The three snd_printk messages are just what I would expect but I am not > >>>sure why I get the message about the file descriptor. > >> > >>Why don't you do instead: - > >>aplay test.txt > > > > Is aplay a system call? > > > > All I get is this... > > > > /dev/snd # aplay /test.txt > > aplay: No such file or directory > > > > > > Incidentally, the mini-HOWTO on the site says this: > > > > Now you are ready to put any soundfile you want into the PCM device of > > the first card. So try to cat any textfile (any file) to > > /dev/snd/pcmC0D0, like this: cat <filename> > /dev/snd/pcmC0D0. > > > > Thanks for the help anyway :) > > > > Adrian > > Have you installed alsa correctly? > alsa-driver, (Kernel modules like the one you are developing) > alsa-lib, (the alsa api.) > alsa-utils, (the one with aplay in it.) > alsa-tools (other useful tools.) > alsa-oss (if you want oss emulation in userland.) > Errr, no. I suppose that might have something to do with it :)
To be frank, the site doesn't exactly make it particularly clear this is what you need to do - though I suppose I could always have asked :p Thanks Adrian ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel
