Hi! I've got a friend who's trying to help me implement a parallel output

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Hi! I’ve got a friend who’s trying to help me implement a parallel output controller for Maple Mini (STM32F103). I’m studying the existing parallel output examples (Due and Teensy) to figure out how this is done. Looks like this is implemented by making a clockless_block file in the platform module. But I’m confused initialization. It seems like maybe we need to make a fastspi file in the platform module and then create DMA channels to the SPI interface? Any thoughts on this are appreciated! @Daniel_Garcia

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Good luck :slight_smile:

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. Commenting to be in on the answer .

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I made this one https://github.com/leonyuhanov/SK6812viaSPI/tree/master/STM32 its single output using SPI on the STM32F103 I guess you could implement the same technique for parallel output

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@Leon_Yuhanov ty! I will check this out