On 06/02/15 22:20, Alexandros Drymonitis wrote:
I want to launch Pd when my raspberry pi boots, so in /etc/rc.local I wrote
the following, just before 'exit 0'
usr/local/bin/pd -nogui -open ~/pd_patches/load_test.pd
The patch that's supposed to open turns the DSP on on load and outputs a
sine tone at 440 Hz. But when I power up the pi, I hear nothing out of the
headphones (I tested the patch and it works if I launch Pd from the
terminal).
If I type 'top' in the terminal, I see that there's pd taking some small
CPU, but after I exit top, if I type 'killall pd', I get this:
pd(2097): Operation not permitted
pd: no process found
Is this 2097 Pd's pid?
What am I doing wrong?
rc.local runs as root ... to launch pd use:
sudo -u pi -i pd -nogui -noaudio -nomidi /share/master.pd &
or similar, here pi is the user, the & means pd runs in the background.
I usually keep a script at /share/initialise then call it as user pi, it makes
it a lot easier to keep different projects ans swap between them.
Simon
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