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me-no-dev 1d1aeecde2 simplify WiFi boot procedure to prepare for on-demand stack load 
currently ```esp_wifi_init``` have to be called in ```app_main``` or
WiFi will fail to boot. When possible to boot later, code will be moved
into ```_esp_wifi_start``` to be executed when necessary
2016-11-28 00:50:21 +02:00
cores/esp32 simplify WiFi boot procedure to prepare for on-demand stack load 2016-11-28 00:50:21 +02:00
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README.md

Arduino core for ESP32 WiFi chip

Development Status

Not everything is working yet, you can not get it through package manager, but you can give it a go and help us find bugs in the things that are implemented :)

The framework can also be downloaded as component in an IDF project and be used like that.

Things that "should" work:

  • pinMode
  • digitalRead/digitalWrite
  • attachInterrupt/detachInterrupt
  • Serial (global Serial is attached to pins 1 and 3 by default, there are another 2 serials that you can attach to any pin)
  • SPI (global SPI is attached to VSPI pins by default and HSPI can be attached to any pins)
  • Wire (global Wire is attached to pins 21 and 22 by default and there is another I2C bus that you can attach to any pins)
  • WiFi (about 99% the same as ESP8266)

WiFiClient, WiFiServer and WiFiUdp are not quite ready yet because there are still some small hiccups in LwIP to be overcome. You can try WiFiClient but you need to disconnect the client yourself to be sure that connection is closed.

Installation

  • Install Arduino IDE
  • Go to Arduino IDE installation directory
  • Clone this repository into hardware/espressif/esp32 directory (or clone it elsewhere and create a symlink)
cd hardware
mkdir espressif
cd espressif
git clone https://github.com/espressif/arduino-esp32.git esp32
  • Download binary tools (you need Python 2.7)
cd esp32/tools
python get.py
  • Restart Arduino

Pin Functions