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Thread: Audio Recording / Logging to SD card --> microSoundRecorder

  1. #151
    Quote Originally Posted by WMXZ View Post
    testing it for all inputs (ADC, I2S, TDM etc) testing will most likely be lengthy, but if you have a particular input in mind, may it is possible.
    My particular interest resides with I2S. I plan to use the audio shield for data logging with .WAV files, which are then saved to the onboard (underside pinout) T4's SD card slot. The audio shield's SD card slot could work too.

    I initially had a project with the audio shield and a teensy 3.2...but the issues mentioned in this thread have haunted me.

  2. #152
    Senior Member
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    Quote Originally Posted by Circuit_Breaker View Post
    My particular interest resides with I2S. I plan to use the audio shield for data logging with .WAV files, which are then saved to the onboard (underside pinout) T4's SD card slot. The audio shield's SD card slot could work too.

    I initially had a project with the audio shield and a teensy 3.2...but the issues mentioned in this thread have haunted me.
    You may start withhttps://github.com/WMXZ-EU/record_sgtl5000 and add/merge the functionality (e.g. from microSoundRecorder)

  3. #153
    Quote Originally Posted by WMXZ View Post
    You may start withhttps://github.com/WMXZ-EU/record_sgtl5000 and add/merge the functionality (e.g. from microSoundRecorder)
    I will certainly do so. Thank you! ...not sure how I missed this guy in your repo...

  4. #154
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    Hallo,
    we are trying to Teensy Audio shield on a Teensy 3.6, somehow the "standard dafault" with analogue microphone input over I2S.
    However when we compile (reinstalled latest Arduino and Teensyduino software and the SdFs library) we get multiple definition errors.
    In the header files, we understand that these are not a problem, but when linking, we get (many) errors like this:

    /home/tim/software/arduino-1.8.10/hardware/teensy/avr/libraries/Audio/control_tlv320aic3206.cpp:170: multiple definition of `AudioControlTLV320AIC3206::disable()'
    /tmp/arduino_build_954548/sketch/src/control_tlv320aic3206.cpp.o:/tmp/arduino_build_954548/sketch/src/control_tlv320aic3206.cpp:170: first defined here
    /home/tim/software/arduino-1.8.10/hardware/tools/arm/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/bin/ld: Disabling relaxation: it will not work with multiple definitions
    /tmp/arduino_build_954548/libraries/Audio/control_tlv320aic3206.cpp.o: In function `AudioControlTLV320AIC3206::disable()':

    We see that this file is in the src directory for the MicroSoundRecorder as well as in the Arduino Teensy libraries. Should we be doing something to ensure that only the MicroSoundRecorder version is being used? Or have we overseen some other detail? It seems that the files that are causing the problem should only be in use when using the Tympan microphones; it also looks like the Teensy supplied version is newer.

    Best wishes,
    Tim and Marc

  5. #155
    Senior Member
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    As long you are not using Tympan, I would simply delete the src directory.
    BTW are you using Arduino IDE or makefile based compilation?

    Edit: sometimes forcing recompilation helps (change something in Tools)
    Edit: I will later today change the class name to eliminate this issue

  6. #156
    Junior Member
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    Quote Originally Posted by WMXZ View Post
    As long you are not using Tympan, I would simply delete the src directory.
    BTW are you using Arduino IDE or makefile based compilation?
    That was it. Thank you!
    We are trying to keep it simple and use the Arduino IDE. It seems to work well most of the time.

    Looking forward to getting the Recorder running!
    Best,
    Tim

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