Hi everyone, I want to use my Matrix portal m4(SAMD51) as a USB mass storage device running in platformio, which requires select USB Stack as TinyUSB. After some searches, I have added the build_flags = -D USE_TINYUSB. But somehow, with build_flags = -D USE_TINYUSB added. No matter what code I up…

I could reproduce the error. The problem is the library linkage. The library is built as .a archive and linked in the final executable, this however creates problems when interrupt handlers with weak linking want to be overwritten by the library. For that, they must be linked as individual object fi…

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Choose USB stack as tiny Usb

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maxgerhardt July 13, 2021, 3:02pm 4

TinyUSB 1.0.3 is expected for the latest stable core version, as I’ve linked above.

I’ll try and test this on a SAMD21 chip and see if I can reproduce that result of it not working.

Using TinyUSB to access onboard storage and log to serial at the same time