PlatformIO
v3.6.2

Getting Started

Configuration

Instruments

PIO Plus

Integration

Miscellaneous

platformio debug

Helper command for PIO Unified Debugger.

Usage

platformio debug [OPTIONS]
pio debug [OPTIONS]

# A binary shortcut for "platformio debug --interface=gdb" command
piodebuggdb [GDB OPTIONS]

Description

Prepare PlatformIO project for debugging or launch debug server.

Options

-e, --environment

Debug specified environments.

You can also specify which environments should be used for debugging by default using env_default option from “platformio.ini” (Project Configuration File).

-d, --project-dir

Specify the path to a project directory. By default, --project-dir is equal to a current working directory (CWD).

--interface

PIO Debugging Interface. Valid values:

  • gdb - GDB: The GNU Project Debugger

-v, --verbose

Shows detailed information when processing environments.

This option can be set globally using force_verbose setting or by environment variable PLATFORMIO_SETTING_FORCE_VERBOSE.

Examples

  1. Prepare a project for debugging

> platformio debug

[Sun Apr 30 01:34:01 2017] Processing mzeropro (platform: atmelsam; debug_extra_cmds: b main.cpp:26; board: mzeropro; framework: arduino)
-----------------------------------------------------------------------------------------------
Verbose mode can be enabled via `-v, --verbose` option
Collected 26 compatible libraries
Looking for dependencies...
Project does not have dependencies
Compiling .pioenvs/mzeropro/src/main.o
Compiling .pioenvs/mzeropro/FrameworkArduinoVariant/variant.o
Compiling .pioenvs/mzeropro/FrameworkArduino/IPAddress.o
Compiling .pioenvs/mzeropro/FrameworkArduino/Print.o
Archiving .pioenvs/mzeropro/libFrameworkArduinoVariant.a
Indexing .pioenvs/mzeropro/libFrameworkArduinoVariant.a
...
Compiling .pioenvs/mzeropro/FrameworkArduino/wiring_analog.o
Compiling .pioenvs/mzeropro/FrameworkArduino/wiring_digital.o
Compiling .pioenvs/mzeropro/FrameworkArduino/wiring_private.o
Compiling .pioenvs/mzeropro/FrameworkArduino/wiring_shift.o
Archiving .pioenvs/mzeropro/libFrameworkArduino.a
Indexing .pioenvs/mzeropro/libFrameworkArduino.a
Linking .pioenvs/mzeropro/firmware.elf
Calculating size .pioenvs/mzeropro/firmware.elf
Building .pioenvs/mzeropro/firmware.bin
text       data     bss     dec     hex filename
11512       256    1788   13556    34f4 .pioenvs/mzeropro/firmware.elf
=========================== [SUCCESS] Took 7.82 seconds ===========================

  1. Launch GDB instance and load initial configuration per a project

> platformio debug --interface=gdb -x .pioinit

PIO Plus (https://pioplus.com) v0.8.2
...
Loading section .text, size 0x2c98 lma 0x4000
Loading section .ramfunc, size 0x60 lma 0x6c98
Loading section .data, size 0x100 lma 0x6cf8
Start address 0x47b0, load size 11768
Transfer rate: 4 KB/sec, 3922 bytes/write.
target halted due to debug-request, current mode: Thread
xPSR: 0x81000000 pc: 0x000028f4 msp: 0x20002c00
target halted due to debug-request, current mode: Thread
xPSR: 0x81000000 pc: 0x000028f4 msp: 0x20002c00
Breakpoint 2 at 0x413a: file src/main.cpp, line 26.