Kill libopencm3
Use mossmann's libopencm3
Nearly compiling again against LPC43xx
Use correct linker script
Add hackrf submodule
feedback: Kill <array> usage
Avoid name collision with uart_init
Switch back to gcc from g++
Fix linking order
Add USB stack
Use new set_configuration callback
Ensure bulk endpoints get initialized
Start plumbing in command request
Port to even newer set_configuration callback scheme
Add makefile rules for DFU and srec
mdaq.ld: Fix order and use ram-only script
uart: Kill floating point math
dac: Fix logic inversion
feedback: Flip enum order
commands: Changes