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Espressif IoT Development Framework for ESP32-XX
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lly 4ae7efb4c0 ble_mesh: Get node info with pre-configured node name 
Also add a function to get the entry of the nodes table.

Closes https://github.com/espressif/esp-idf/issues/5397
 		2020-06-20 05:47:19 +00:00
.github gh_action: fix python lint 2020-05-20 10:50:10 +08:00
components ble_mesh: Get node info with pre-configured node name 2020-06-20 05:47:19 +00:00
docs docs: fix build issue requiring new location of cpu_start.c 2020-06-19 18:40:10 +10:00
examples Merge branch 'bugfix/pppos_ignored_modem_start_return' into 'master' 2020-06-19 20:48:49 +08:00
make bootloader: Set the bootloader optimization level separately to the app 2020-02-27 14:38:52 +05:30
tools Merge branch 'bugfix/check_missing_IDF_ENV_FPGA_environment' into 'master' 2020-06-19 18:15:00 +08:00
.editorconfig
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.flake8 bugfix: fix flake8 warning for esp-cryptoauthlib submodule 2020-05-21 21:02:33 +05:30
.gitignore Add JTAG related example tests 2020-05-05 11:08:33 +02:00
.gitlab-ci.yml ci: fix the issue that build_docs label has to be used with regular_test 2020-06-12 10:59:46 +08:00
.gitmodules secure_element: atecc608_ecdsa example 2020-05-21 13:08:30 +05:30
.readthedocs.yml docs: Remove building of zipped HTML docs from build process and consequently from Downloads as many users don't use that. We are still providing PDF documentation for people who prefer viewing docs off-line. Removal of this build step is expected to save almost 10 minutes of build time and resolve issue of build failures because of hitting 40 min build time limit on Read The Docs. 2019-07-08 13:19:56 +08:00
CMakeLists.txt cmake: error out on building in IDF_PATH root dir 2020-04-07 20:51:53 +08:00
CONTRIBUTING.rst docs: Fix broken URLs & permanent redirects 2020-03-23 18:11:23 +11:00
Kconfig global: add new target name: esp32-s3 2020-06-11 21:40:08 +08:00
LICENSE
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README.md docs: Provide link to ESP32-S2 specific documentation 2020-05-25 02:59:36 +08:00
README_CN.md docs: Provide link to ESP32-S2 specific documentation 2020-05-25 02:59:36 +08:00
SUPPORT_POLICY.md add chinese translation for support period policy 2019-11-11 10:40:30 +08:00
SUPPORT_POLICY_CN.md add chinese translation for support period policy 2019-11-11 10:40:30 +08:00
add_path.sh tools: {install,export}.{bat,sh} tools 2019-07-01 14:51:44 +02:00
export.bat tools: {install,export}.{bat,sh} tools 2019-07-01 14:51:44 +02:00
export.fish tools: export.{sh,fish}: add otatool.py to PATH 2020-04-03 01:15:29 +02:00
export.ps1 fixes for powershell on unix 2020-05-15 14:05:03 +02:00
export.sh tools: export.sh: fix compatibility with dash shell 2020-06-08 19:33:00 +02:00
install.bat tools: install.bat: bail out if idf_tools.py call fails 2019-07-23 06:20:52 +02:00
install.fish tool: fix install.fish 2020-03-27 18:11:01 +08:00
install.ps1 fixes for powershell on unix 2020-05-15 14:05:03 +02:00
install.sh tools: {install,export}.{bat,sh} tools 2019-07-01 14:51:44 +02:00
requirements.txt esp-idf: Update esptool and add reedsolo and bitstring into requirements.txt 2020-05-14 13:29:21 +10:00
sdkconfig.rename cmake: Add new compiler optimization levels definitions 2019-09-06 17:37:19 +08:00

README.md

Espressif IoT Development Framework

ESP-IDF is the official development framework for the ESP32 and ESP32-S Series SoCs.

Developing With ESP-IDF

Setting Up ESP-IDF

See setup guides for detailed instructions to set up the ESP-IDF:

Chip Getting Started Guides for ESP-IDF
ESP32
ESP32-S2

Note: Each ESP-IDF release has its own documentation. Please see Section Versions how to find documentation and how to checkout specific release of ESP-IDF.

Non-GitHub forks

ESP-IDF uses relative locations as its submodules URLs (.gitmodules). So they link to GitHub. If ESP-IDF is forked to a Git repository which is not on GitHub, you will need to run the script tools/set-submodules-to-github.sh after git clone. The script sets absolute URLs for all submodules, allowing git submodule update --init --recursive to complete. If cloning ESP-IDF from GitHub, this step is not needed.

Finding a Project

As well as the esp-idf-template project mentioned in Getting Started, ESP-IDF comes with some example projects in the examples directory.

Once you've found the project you want to work with, change to its directory and you can configure and build it.

To start your own project based on an example, copy the example project directory outside of the ESP-IDF directory.

Quick Reference

See the Getting Started guide links above for a detailed setup guide. This is a quick reference for common commands when working with ESP-IDF projects:

Setup Build Environment

(See Getting Started guide for a full list of required steps with details.)

  • Install host build dependencies mentioned in Getting Started guide.
  • Add tools/ directory to the PATH
  • Run python -m pip install -r requirements.txt to install Python dependencies

Configuring the Project

idf.py menuconfig

  • Opens a text-based configuration menu for the project.
  • Use up & down arrow keys to navigate the menu.
  • Use Enter key to go into a submenu, Escape key to go out or to exit.
  • Type ? to see a help screen. Enter key exits the help screen.
  • Use Space key, or Y and N keys to enable (Yes) and disable (No) configuration items with checkboxes "[*]"
  • Pressing ? while highlighting a configuration item displays help about that item.
  • Type / to search the configuration items.

Once done configuring, press Escape multiple times to exit and say "Yes" to save the new configuration when prompted.

Compiling the Project

idf.py build

... will compile app, bootloader and generate a partition table based on the config.

Flashing the Project

When the build finishes, it will print a command line to use esptool.py to flash the chip. However you can also do this automatically by running:

idf.py -p PORT flash

Replace PORT with the name of your serial port (like COM3 on Windows, /dev/ttyUSB0 on Linux, or /dev/cu.usbserial-X on MacOS. If the -p option is left out, idf.py flash will try to flash the first available serial port.

This will flash the entire project (app, bootloader and partition table) to a new chip. The settings for serial port flashing can be configured with idf.py menuconfig.

You don't need to run idf.py build before running idf.py flash, idf.py flash will automatically rebuild anything which needs it.

Viewing Serial Output

The idf.py monitor target uses the idf_monitor tool to display serial output from ESP32 or ESP32-S Series SoCs. idf_monitor also has a range of features to decode crash output and interact with the device. Check the documentation page for details.

Exit the monitor by typing Ctrl-].

To build, flash and monitor output in one pass, you can run:

idf.py flash monitor

Compiling & Flashing Only the App

After the initial flash, you may just want to build and flash just your app, not the bootloader and partition table:

  • idf.py app - build just the app.
  • idf.py app-flash - flash just the app.

idf.py app-flash will automatically rebuild the app if any source files have changed.

(In normal development there's no downside to reflashing the bootloader and partition table each time, if they haven't changed.)

Erasing Flash

The idf.py flash target does not erase the entire flash contents. However it is sometimes useful to set the device back to a totally erased state, particularly when making partition table changes or OTA app updates. To erase the entire flash, run idf.py erase_flash.

This can be combined with other targets, ie idf.py -p PORT erase_flash flash will erase everything and then re-flash the new app, bootloader and partition table.

Resources