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platformio-core/docs/platforms/espressif_extra.rst
2015-12-25 00:49:27 +02:00

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.. Copyright 2014-2015 Ivan Kravets <me@ikravets.com>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Custom CPU Frequency or Upload Speed
------------------------------------
See :ref:`projectconf_board_f_cpu` and :ref:`projectconf_upload_speed` options
from :ref:`projectconf`
.. code-block:: ini
[env:myenv]
# set frequency to 40MHz
board_f_cpu = 40000000L
upload_speed = 9600
Custom Flash Size
-----------------
The list with preconfigured LD scripts is located in public repository
`platformio-pkg-ldscripts <https://github.com/platformio/platformio-pkg-ldscripts>`_.
* ``esp8266.flash.512k0.ld`` 512K (no SPIFFS)
* ``esp8266.flash.512k64.ld`` 512K (64K SPIFFS)
* ``esp8266.flash.1m64.ld`` 1M (64K SPIFFS)
* ``esp8266.flash.1m128.ld`` 1M (128K SPIFFS)
* ``esp8266.flash.1m256.ld`` 1M (256K SPIFFS)
* ``esp8266.flash.1m512.ld`` 1M (512K SPIFFS)
* ``esp8266.flash.2m.ld`` 2M (1M SPIFFS)
* ``esp8266.flash.4m1.ld`` 4M (1M SPIFFS)
* ``esp8266.flash.4m.ld`` 4M (3M SPIFFS)
* ``esp8266.flash.8m.ld`` 8M (7M SPIFFS)
* ``esp8266.flash.16m.ld`` 16M (15M SPIFFS)
To override default LD script please use :ref:`projectconf_build_flags` from
:ref:`projectconf`.
.. code-block:: ini
[env:myenv]
build_flags = -Wl,-Tesp8266.flash.4m.ld
Over-the-Air (OTA) update
-------------------------
Firstly, please read `What is OTA? How to use it? <https://github.com/esp8266/Arduino/blob/master/doc/ota_updates/ota_updates.md>`_
There are 2 options:
* Directly specify :option:`platformio run --upload-port` in command line
.. code-block:: bash
platformio run --target upload --upload-port IP_ADDRESS_HERE
* Specify ``upload_port`` option in :ref:`projectconf`
.. code-block:: ini
[env:myenv]
...
upload_port = IP_ADDRESS_HERE
Authentication and upload options
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
You can pass additional options/flags to OTA uploader using
``upload_flags`` option in :ref:`projectconf`
.. code-block:: ini
[env:myenv]
upload_flags = --port=8266
Available flags
* ``--port=ESP_PORT`` ESP8266 ota Port. Default 8266
* ``--auth=AUTH`` Set authentication password
* ``--spiffs`` Use this option to transmit a SPIFFS image and do not flash
the module
For the full list with available options please run
.. code-block:: bash
~/.platformio/packages/framework-arduinoespressif/tools/espota.py -h
Usage: espota.py [options]
Transmit image over the air to the esp8266 module with OTA support.
Options:
-h, --help show this help message and exit
Destination:
-i ESP_IP, --ip=ESP_IP
ESP8266 IP Address.
-p ESP_PORT, --port=ESP_PORT
ESP8266 ota Port. Default 8266
Authentication:
-a AUTH, --auth=AUTH
Set authentication password.
Image:
-f FILE, --file=FILE
Image file.
-s, --spiffs Use this option to transmit a SPIFFS image and do not
flash the module.
Output:
-d, --debug Show debug output. And override loglevel with debug.
-r, --progress Show progress output. Does not work for ArduinoIDE
Demo
~~~~
.. image:: ../_static/platformio-demo-ota-esp8266.jpg
:target: https://www.youtube.com/watch?v=lXchL3hpDO4
Articles
--------
* Dec 22, 2015 - **Jan Penninkhof** - `Over-the-Air ESP8266 programming using PlatformIO <http://www.penninkhof.com/2015/12/1610-over-the-air-esp8266-programming-using-platformio/>`_
* Dec 01, 2015 - **Tateno Yuichi** - `ESP8266 を CUI で開発する (Develop a ESP8266 in CUI, Japanese) <http://jaywiggins.com/platformio/arduino/avr/es8266/2015/09/30/platformio-investigation/>`_
See more :ref:`articles`.
Examples
--------
All project examples are located in PlatformIO repository
`Examples for Espressif platform <https://github.com/platformio/platformio/tree/develop/examples/espressif>`_.
* `Native SDK <https://github.com/platformio/platformio/tree/develop/examples/espressif/esp8266-native>`_
* `WebServer <https://github.com/platformio/platformio/tree/develop/examples/espressif/esp8266-webserver>`_
* `WiFiScan <https://github.com/platformio/platformio/tree/develop/examples/espressif/esp8266-wifiscan>`_