In a previous post, we made a simple WAV file player which loads the WAV file completely into RAM and plays it from there. That is not ideal for a few reasons. First of all loading a 300MByte WAV file from SD card takes a few seconds. Furthermore, we are […]
Daily archives: January 10, 2018
2 posts
It happened to me when I wanted to read from SD card while being in an interrupt handler. Whenever I read something from the SD card, the local variables of main() got destroyed. The root cause: There was a stack overflow of the IRQ Stack which then “leaked” into the […]