LinusHeu
LinusHeu
You know way more about this than I do :D, but: What's SSPTXINTR? "The transmit interrupt is asserted when there are four or fewer valid entries in the transmit FIFO."...
Maybe you experienced this bug in arduino-pico which caused clicking/cracks: https://github.com/earlephilhower/arduino-pico/pull/1500 https://github.com/earlephilhower/arduino-pico/discussions/1491 It's fixed in the [latest release](https://github.com/earlephilhower/arduino-pico/releases/tag/3.2.2).
Maybe this fixes your issue? https://github.com/earlephilhower/arduino-pico/pull/1526