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This is STM32F072 port of jcw’s SerPlus:
In “raw” mode, it works as any other USB-to-serial converter (with DTR), so it can be used to upload firmware to arduino-type boards (tested).
SerPlus is an STM32F103-based bridge between USB and a serial port.
Inline telnet escape codes can be used to control DTR, RTS, and parity.
Based on the
usb_cdcacm code from libopencm3-examples (LGPL3).
For the RAM-based version, to be loaded at $20002000, use:
make -f Makefile-ram