[stm32] Add FreeRTOS + LwIP submodules

These are ST's forks of each library. The changes from upstream seem
pretty minimal. The main change is the integration of the CMSIS-RTOSv2
API.

stm32_mw_freertos: v10.2.1
stm32_mw_lwip: v2.1.2

Change-Id: I5f8373083a43d0f7cba7d22f1786d9922048bb5e
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/40041
Reviewed-by: Yecheng Zhao <zyecheng@google.com>
Commit-Queue: Varun Sharma <vars@google.com>
3 files changed
tree: c03dd7c4979d8bafbe1224b2c6fc3d5a6c58d9dd
  1. applications/
  2. build_overrides/
  3. pw_board_led/
  4. pw_board_led_arduino/
  5. pw_board_led_host/
  6. pw_board_led_stm32cubef4/
  7. pw_board_led_stm32f429i_disc1/
  8. pw_console/
  9. pw_spin_delay/
  10. pw_spin_delay_arduino/
  11. pw_spin_delay_host/
  12. pw_spin_delay_stm32cubef4/
  13. pw_spin_delay_stm32f429i_disc1/
  14. pw_sys_io_stm32cubef4/
  15. targets/
  16. third_party/
  17. tools/
  18. .gitattributes
  19. .gitignore
  20. .gitmodules
  21. .gn
  22. activate.bat
  23. banner.txt
  24. bootstrap.bat
  25. bootstrap.sh
  26. BUILD.gn
  27. BUILDCONFIG.gn
  28. env_setup.json
  29. navbar.md
  30. PW_PLUGINS
  31. README.md
README.md

Pigweed Experimental

This repository contains experimental pigweed modules.

Repository setup

Clone this repo with --recursive to get all required submodules.

git clone --recursive https://pigweed.googlesource.com/pigweed/experimental

This will pull the Pigweed source repository into third_party/pigweed. If you already cloned but forgot to --recursive run git submodule update --init to pull all submodules.