So i bought a STM32 clone which was recommanded from a friend.Īs a noob, i thought the code would be directly portable from the nano to the STM32, but it’s not.Īs far as i understand, the current issue i meet is that some “known” values like NUM_DIGITAL_PINS, NUM_ANALOG_PINS, etc are not known on STM32 platform, as it is not built the same. It had limitations: too few inputs, unability to act as a midi class device (mandatory), to few power to handle a MUX connecting buttons and directly attached rotary encoders as fast as required to operate DAW plugins. I worked great in a minimal implementation, with a single midi output port. Based on several sources, and especially numerous posts, i was able to build a midi control surface on a arduino nano, with few buttons and encoders + SPI TFT screen which purpose was to simply test if i was able to
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