Testing an arduino variant with an ARM cortex-M chip.
resources used to get started with programming through Arduino
Note that these resources assume you're programming with an FTDI programmer.
Youtube Tutorial
Blog Post on adding hardware support code
Additional Hardware Support Code
Other files that are really helpful:
Black Pill WIKI
Brand Specific Page
Brand specific pinout
(backup in repo in case of dead url)
Some practical notes:
- BOOT0 needs to be shifted to 1 to enter programming mode.
- Upload your program through Serial1 (pins A9 & A10).