[PD] RPI USB Audio -nogui "Invalid value for card"

m.e.grimm megrimm at gmail.com
Sat Sep 1 18:11:42 CEST 2012


My audio card is listed as:

pi at raspberrypi ~ $ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 0424:9512 Standard Microsystems Corp.
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp.
Bus 001 Device 004: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un
802.11n Wireless Adapter [Realtek RTL8188CUS]
Bus 001 Device 008: ID 0d8c:000e C-Media Electronics, Inc. Audio
Adapter (Planet UP-100, Genius G-Talk)

pi at raspberrypi ~ $ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 1: Device [Generic USB Audio Device], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0


When i do:

pi at raspberrypi ~ $speaker-test -Dplughw:1,0 -t sine -f 800

I get a test tone from the output. Then I do:

pi at raspberrypi ~ $ sudo pd -nogui -listdev
audio input devices:
1. Generic USB Audio Device (hardware)
2. Generic USB Audio Device (plug-in)
audio output devices:
1. Generic USB Audio Device (hardware)
2. Generic USB Audio Device (plug-in)
API number 1

pi at raspberrypi ~ $ pd -nogui -alsa -nomidi -audiodev 1,1
ALSA lib pcm_hw.c:1401:(_snd_pcm_hw_open) Invalid value for card
snd_pcm_open (input): No such file or directory
ALSA lib pcm_hw.c:1401:(_snd_pcm_hw_open) Invalid value for card
snd_pcm_open (output): No such file or directory


hmmmm... am i doing something silly wrong here? what am i missing with
my flags that giving me "Invalid value for card"?

thanks!
m

-- 
____________________
m.e.grimm | m.f.a | ed.m.
megrimm at gmail.com
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