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df4b135086
wasm-micro-runtime/build-scripts/esp-idf/README.md
Stefan Wallentowitz 78414b627c
ESP IDF fixes (#927) 
Various fixes and beautifications coordinated with @1c3t3a,
fixes 2 of the 3 all remaining issues from #892:
- enable to os_mmap executable memory
- fix os_malloc/os_realloc/os_free issues
- implement os_thread_get_stack_boundary
- add build scripts to include with esp-idf to use wamr as
  an ESP-IDF component
- update sample and document
2022-01-05 12:50:17 +08:00

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wasm-micro-runtime as ESP-IDF component

You can build an ESP-IDF project with wasm-micro-runtime as a component:

  • Make sure you have the ESP-IDF properly installed and setup

  • In particular have the following paths set:

    • WAMR_PATH to point to your wasm-micro-runtime repository
    • IDF_PATH to point to your ESP-IDF
    • source $IDF_PATH/export.sh

  • Create a new project, e.g.: idf.py create-project wamr-hello

  • In the newly created project folder edit the CMakeList.txt:

    cmake_minimum_required(VERSION 3.5)

include($ENV{IDF_PATH}/tools/cmake/project.cmake)

set (COMPONENTS ${IDF_TARGET} main freertos esptool_py wamr)

list(APPEND EXTRA_COMPONENT_DIRS "$ENV{WAMR_PATH}/build-scripts/esp-idf")

project(wamr-hello)

  • Develop your project in it's main component folder.

You can find an example here.

  • Set target platform: idf.py set-target esp32c3
  • Build: idf.py build
  • Flash: idf.py flash
  • Check the output: idf.py monitor