Audio Files - sparkfun WIG-13660 Manual

For more information on compatible SD cards, please check out the Robertsonics website.
The µSD card is an integral part of the Qwiic Tsunami's operation. In order for the µSD card to be compatible with
the Qwiic Tsunami:
A FAT16 or FAT32 file system must be used
The file allocation size must be 32 kilobytes
For a brand new card, formatting may not be necessary. However, if users experience the Qwiic Tsunami missing
commands, making occasional strange buzzing sounds, or sometimes crashing, then the file allocation size may
be incorrect. The Quick Format option in the Windows operating system is the usually the simplest method to
properly format the µSD card.
The format settings for a µSD card with a Windows operating system. (Click to enlarge)
µSD Card Contents
The contents of the µSD card are the key to how the Qwiic Tsunami operates. There are two types of files that the
firmware on the Qwiic Tsunami will utilize: audio
the Qwiic Tsunami, by default, is configured to operate in the following manner:
1. Default firmware operation (filenames matching the trigger inputs, will output on the first audio output
channel ).
1L
2. If there is a
tsunami.ini
content.
3. Any additional changes via I2C or serial commands then take precedence over the initialization file.

Audio Files

The Qwiic Tsunami is designed to playback
be compatible with the firmware on the Qwiic Tsunami.
The audio format of
By default, the Qwiic Tsunami is factory programmed with the mono audio firmware and will only work
with
*.wav
The filenames if the
Tsunami to trigger the audio playback.
Audio File Format
file on the µSD card on reset, the Qwiic Tsunami will operate on its configuration
*.wav
files must be compatible with the firmware on the Qwiic Tsunami.
*.wav
files in mono audio format.
files must follow the naming convention utilized by the firmware for the Qwiic
*wav
files and a
*.wav tsunami.ini
audio files from the µSD card. However, the
initialization file. The firmware on
files must
*wav