Welcome there, I have bluepill modul and I learned mynewt supporting it. I new at mynewt. I try newt release 1.7, work good. How I try build newt.exe at git master I have newt version 1.8.0-dev
MYNEWT /home/ipan/dev/myproj> newt version Apache Newt Version: 1.8.0-dev Git Hash: unknown Build Date: unknown How I try do: newt.exe create-image bluepill_blinky 0.0.0 it do error: ... Linking H:/msys64/home/ipan/dev/myproj/bin/targets/bluepill_blinky/app/apps/blinky/blinky.elf Error: arm-none-eabi-objcopy: error: the input file 'H:/msys64/home/ipan/dev/myproj/bin/targets/bluepill_blinky/app/apps/blinky/blinky.img' is empty version 1.7 do image, version 1.8 do not image I am interesting if newt version 1.7 work on mynewt-core master (no 1.7 release)? I have: MYNEWT /home/ipan/dev/myproj> go version go version go1.13.3 windows/amd64 MYNEWT /home/ipan/dev/myproj> arm-none-eabi-gcc --version arm-none-eabi-gcc.exe (GNU Tools for Arm Embedded Processors 9-2019-q4-major) 9.2.1 20191025 (release) [ARM/arm-9-branch revision 277599] best luck ipan