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Thread: Teensy 4.1 Cannot access Internal SD card

  1. #26
    Junior Member
    Join Date
    Sep 2020
    Location
    Cincinnati, OH
    Posts
    10
    Quote Originally Posted by defragster View Post
    That isn't a 'WARNING' to be concerned with - unless the one chosen is WRONG - more of informative feedback - actually added to the Arduino system by Paul@PJRC
    Thanks. That is helpful.

  2. #27
    Junior Member
    Join Date
    Apr 2020
    Posts
    5
    I'm using PlatformIO 5.1.0 (+Visual Code) with a Teensy 4.1.
    As you could probably guess from below, I'm trying to get ArduinoMenu going with SdFat (cards are small FAT16 for a reason) and a rotary encoder.
    All libs and platform software are up-to-date.
    I'm getting "'BUILTIN_SDCARD' was not declared in this scope"

    Where is that symbol actually declared? what's its value on a Teensy 4.1?

    Any help is appreciated!

    PACKAGES:
    - framework-arduinoteensy 1.153.0 (1.53)
    - toolchain-gccarmnoneeabi 1.50401.190816 (5.4.1)
    Dependency Graph
    |-- <MIDI Library> 5.0.2
    |-- <USBHost_t36> 0.1
    |-- <Encoder>
    |-- <Adafruit BusIO> 1.7.1
    | |-- <Wire> 1.0
    | |-- <SPI> 1.0
    |-- <ArduinoMenu library> 4.21.3
    | |-- <SdFat> 2.0.4
    | | |-- <SPI> 1.0
    | |-- <ClickEncoder> 0.0.0-alpha+sha.9337a0c46c
    | |-- <Wire> 1.0
    | |-- <Adafruit GFX Library> 1.10.5
    | | |-- <Adafruit BusIO> 1.7.1
    | | | |-- <Wire> 1.0
    | | | |-- <SPI> 1.0
    | | |-- <Wire> 1.0
    | | |-- <SPI> 1.0
    |-- <ClickEncoder> 0.0.0-alpha+sha.9337a0c46c
    |-- <SdFat> 2.0.4
    | |-- <SPI> 1.0
    |-- <SPI> 1.0
    |-- <Adafruit GFX Library> 1.10.5
    | |-- <Adafruit BusIO> 1.7.1
    | | |-- <Wire> 1.0
    | | |-- <SPI> 1.0
    | |-- <Wire> 1.0
    | |-- <SPI> 1.0
    |-- <Adafruit SSD1306> 2.4.3
    | |-- <Adafruit GFX Library> 1.10.5
    | | |-- <Adafruit BusIO> 1.7.1
    | | | |-- <Wire> 1.0
    | | | |-- <SPI> 1.0
    | | |-- <Wire> 1.0
    | | |-- <SPI> 1.0
    | |-- <SPI> 1.0

  3. #28
    Junior Member
    Join Date
    Apr 2020
    Posts
    5
    I have the answer to this now, thanks!

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