Search found 609 matches

by flatmax
Wed Sep 07, 2016 8:07 pm
Forum: Stereo soundcard for the Raspberry Pi
Topic: AudioInjector + PureData
Replies: 1
Views: 1403

Re: AudioInjector + PureData

Hi there,

I just installed puredata with the following :
sudo apt install puredata

Ran their audio test using ALSA and it works fine.

Matt
by flatmax
Mon Aug 15, 2016 8:45 am
Forum: Stereo soundcard for the Raspberry Pi
Topic: GPIO pins used on the audio injector sound card
Replies: 15
Views: 36091

Re: GPIO pins used on the audio injector sound card

The I2C pins (3 & 5) form an I2C bus which is shared amongst many different chips. I2C allows interchip communications and chips know when they are being "talked to" by inspecting the chip ID used (part of the first byte of data to go out on the i2c bus) and seeing if it matches their own chip ID. I...
by flatmax
Tue Aug 02, 2016 6:01 pm
Forum: Stereo soundcard for the Raspberry Pi
Topic: GPIO pins used on the audio injector sound card
Replies: 15
Views: 36091

Re: GPIO pins used on the audio injector sound card

karrika wrote:The handling fee is ok if the price of the goods is much larger than the DHL fee. But sending a 23€ iten with DHL makes no sense anymore.
Agreed, in future we will not be using a courier ... we will use something like EMS to keep prices down.
by flatmax
Mon Aug 01, 2016 9:22 pm
Forum: Stereo soundcard for the Raspberry Pi
Topic: GPIO pins used on the audio injector sound card
Replies: 15
Views: 36091

Re: GPIO pins used on the audio injector sound card

Happy to hear about the pin out situation.
Sorry to hear about the DHL issue. If it is free to return to us without accepting, then we will be able to ship to you from Amazon in about 1.5 weeks or possibly 2.

Matt
by flatmax
Mon Aug 01, 2016 10:40 am
Forum: Stereo soundcard for the Raspberry Pi
Topic: How to setup and test
Replies: 136
Views: 187140

Re: How to setup and test

Hi epalaima, Thanks for pointing out this step I missed in the manual setup option ... Easy problem to solve I think. It isn't mentioned anywhere nor is it clear, but the codec has a DAPM control which needs to be enabled to enable playback. The automatic installation method does this for you ... If...
by flatmax
Mon Aug 01, 2016 10:37 am
Forum: Stereo soundcard for the Raspberry Pi
Topic: write error: Input/output error : mixer settings
Replies: 1
Views: 6485

Re: write error: Input/output error : mixer settings

In this case, as "Output Mixer HiFi" is not enabled, ALSA will not playback and has a write error. To fix, open alsamixer from the command line and use the right/left arrows to highlight the "Output Mixer HiFi" control. Once highlighted press "m" to mute or enable this control. Your mixer will now l...
by flatmax
Mon Aug 01, 2016 10:33 am
Forum: Stereo soundcard for the Raspberry Pi
Topic: write error: Input/output error : mixer settings
Replies: 1
Views: 6485

write error: Input/output error : mixer settings

When I try to play a test sound, I get "write error: Input/output error". pi@raspberrypi:~ $ aplay test.wav Playing WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo aplay: pcm_write:1939: write error: Input/output error I did a manual setup of the sound card and/or made some chan...
by flatmax
Fri Jul 29, 2016 8:44 am
Forum: Stereo soundcard for the Raspberry Pi
Topic: GPIO pins used on the audio injector sound card
Replies: 15
Views: 36091

GPIO pins used on the audio injector sound card

For reference, this message notes which GPIO pins are used by the Audio Injector (AISC). The AISC shares the I2C pins for setup and management of the sound card's codec's registers. These are : pin 3 : i2c data pin 5: i2c clk The AISC uses the I2S pins for communicating audio data to and from the Ra...
by flatmax
Sun Jul 24, 2016 9:54 pm
Forum: Stereo soundcard for the Raspberry Pi
Topic: How to setup and test
Replies: 136
Views: 187140

How to setup and test

I have some scripts which allow you to easily setup your /boot/config.txt to load the correct audio injector device tree. The raspbian inastallable .deb package is attached, first unarchive it and then install the deb package. audio.injector.scripts_0.1-1_all.deb.tar.gz To setup your system (if you ...