#Audio Switch Daemon
This circuit switches two audio sources, based on the status of a MPD-server running on a Raspberry Pi.
If MPD is playing the Raspberry Pi (INPUT 2) is switched to OUT. When MPD stops playing OUT is switched back to INPUT 1.
Libbcm2835 is used for GPIO access. See http://www.airspayce.com/mikem/bcm2835/ for details.
| Raspberry Pi Pin No. | Audioswitch Pin | Function |
|---|---|---|
| 8 | SV2 - 3 | GPIO 14 |
| 2 | SV2 - 2 | GND |
| 6 | SV2 - 1 | +5V |
SV1 can be used to connect a manual switch.
Install the Library see http://www.airspayce.com/mikem/bcm2835/ for details.
If you are using a Raspberry Pi 2 you need to enable device tree support!
sudo raspi-config->Advanced Options -> enable Device Tree
sudo shutdown -r nowThen type
./configure
make
make install| Option | Argument | Function | Default |
|---|---|---|---|
| h | Show help | ||
| v | Show version | ||
| no-daemon | Don't detach from console | ||
| p | Change Pin | GPIO17 | |
| s | Change Path to socket | /home/pi/.mpd/socket |
asd -p 17 -s /home/user/.mpd/sock