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Debugging via serial on the STM Discovery board
Michael Thomsen edited this page Jun 7, 2016
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3 revisions
Currently the support for debugging the program is only available on the master branch.
First ensure that all required third party dependencies have been downloaded by running
$ gclient sync
Now generate ninja files by running:
$ ninja
Build our normal host and client binaries:
$ ninja -C out/ReleaseX64 && ninja -C out/ReleaseIA32 && ninja -C out/ReleaseSTM
Plug in your STM Discovery board, and run the flash command with --debugging-mode
added.
$ out/ReleaseX64/dartino flash --debugging-mode ~/test/main.dart
Done building image: main.bin
Flashing image: main.bin
Now the program will print "Listening for connection". Attach the command line debugger with:
(Note: On a Mac use /dev/tty.usbmodemXXXXX)
$ out/ReleaseX64/dartino debug ~/test/main.dart on tty /dev/ttyACM0
Attached to /dev/ttyACM0
And now you can run commands like:
> b main
### set breakpoint 0: main @ ../../../test/main.dart:3:11
> run
../../../test/main.dart:3:11
3 int i = 0;
> s
../../../test/main.dart:4:9
4 print("a");
>
The debugger script used for lk
can also be used here:
$ tools/lk/debug-image.sh --disco --gdb-embedded out/DebugSTM/disco_dartino.elf
$ fg
The fg
command will bring GDB into the foreground ready to debug.
Press 'c' to continue execution, you should now be able to single step through the interpreter.