The first program for pi pico that everyone writes.
brew install cmake
brew tap ArmMbed/homebrew-formulae
brew install arm-none-eabi-gcc
git clone -b master https://github.com/raspberrypi/pico-sdk.gitexport PICO_SDK_PATH=path_to/repo/pico-sdkmkdir build
cd build
cmake ..
make- CMAKE by Microsoft
- CMAKE Tools by Microsoft
- C/C++ by Microsoft
- C/C++ Extension Pack by Microsoft
- C/C++ Themes by Microsoft
- Cortex-Debug by Marus25
git clone -b master https://github.com/raspberrypi/pico-examples.gitOpenOCD (On Chip Debugging) is used to translate commands from gdb (debugger) to SWD. This requires a second Pico device setup for debugging. If you are using a Raspberry Pi, then you can just connect via the GPIO pins and not need the extra Pico in the mix.
brew install libtool automake libusb wget pkg-config gcc texinfo
echo 'export PATH="/usr/local/opt/texinfo/bin:$PATH"' >> ~/.zshrc
git clone https://github.com/raspberrypi/openocd.git --branch picoprobe --depth=1
cd openocd
./bootstrap
./configure --enable-picoprobe --disable-werror
make
make install
openocd -vpicoprobe is used to connect the Mac via USB to the Raspberry Pi Pico that will then be attached to the Pico that is being debugged. If you are using a Raspberry Pi, then you can just connect via the GPIO pins and not need the extra Pico in the mix.
git clone https://github.com/raspberrypi/picoprobe.git
cd picoprobe
mkdir build
cd build
cmake ..
makeSee Appendix A: Using Picoprobe from the official getting started guide for the wiring diagram.
Joking, you already have it!
which arm-none-eabi-gdbRun OpenOCD and confirm that it can attach to the Pico being debugged. Ensure the two Picos are wired up correctly.
openocd -f interface/picoprobe.cfg -f target/rp2040.cfg -s tcl
...
Info : rp2040.core0: hardware has 4 breakpoints, 2 watchpoints
Info : rp2040.core1: hardware has 4 breakpoints, 2 watchpoints
Info : starting gdb server for rp2040.core0 on 3333
Info : Listening on port 3333 for gdb connectionsOpen another terminal while OpenOCD runs
cd <YOUR_PATH>/blink/
rm -rf build
mkdir build
cd build
export PICO_SDK_PATH=path_to/repo/pico-sdk
cmake -DCMAKE_BUILD_TYPE=Debug ..
makeNow run GDB and load the blink.elf file that was output above
arm-none-eabi-gdb hello_serial.elfConnect OpenOCD to this gdb session
(gdb) target remote localhost:3333
(gdb) loadSet a breakpoint to stop when main() is called and run the program.
(gdb) monitor reset init
(gdb) b main
...
Breakpoint 1 at 0x1000030e: file .../blink/blink.c, line 3.
(gdb) continue
...
target halted due to debug-request, current mode: Thread
xPSR: 0x01000000 pc: 0x00000178 msp: 0x20041f00
Thread 1 hit Breakpoint 1, main ()
at .../blink/blink.c:3
3 stdio_init_all();That's it! Type q or quit to exit GDB.
Congratulations! 🥳 🎉 You can now build, run and debug a Raspberry Pi Pico from your Mac.
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