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* Remove CORTEX_ENABLE_WFI_IDLE from the codebase. * Turn on CORTEX_ENABLE_WFI_IDLE by default.
Bluepill onekey
To trigger keypress, short together pins B0 and A7.
This variant requires the uf2-stm32f103 bootloader to be installed. This can be downloaded from the uf2-stm32f103 releases page.
Double-tap reset to enter bootloader mode. Copy the built uf2 file to the device by dragging the file to the new USB disk.