125 lines
5.0 KiB
Markdown
125 lines
5.0 KiB
Markdown
# Arduino core for ESP32 WiFi chip
|
|
|
|
## Need help or have a question? Join the chat at [](https://gitter.im/espressif/arduino-esp32?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
|
|
|
|
- [Development Status](#development-status)
|
|
- Installing options:
|
|
+ [Using Arduino IDE](#using-arduino-ide)
|
|
+ [Using PlatformIO](#using-platformio)
|
|
+ [Using as ESP-IDF component](#using-as-esp-idf-component)
|
|
- [ESP32Dev Board PINMAP](#esp32dev-board-pinmap)
|
|
|
|
## Development Status
|
|
Most of the framework is implemented. Most noticable is the missing analogWrite. While analogWrite is on it's way, there are a few other options that you can use:
|
|
- 16 channels [LEDC](https://github.com/espressif/arduino-esp32/blob/master/cores/esp32/esp32-hal-ledc.h) which is PWM
|
|
- 8 channels [SigmaDelta](https://github.com/espressif/arduino-esp32/blob/master/cores/esp32/esp32-hal-sd.h) which uses SigmaDelta modulation
|
|
- 2 channels [DAC](https://github.com/espressif/arduino-esp32/blob/master/cores/esp32/esp32-hal-dac.h) which gives real analog output
|
|
|
|
## Using Arduino IDE
|
|
|
|
###[Instructions for Windows](doc/windows.md)
|
|
|
|
### Instructions for Mac
|
|
- Install latest Arduino IDE from [arduino.cc](https://www.arduino.cc/en/Main/Software)
|
|
- Open Terminal and execute the following command (copy->paste and hit enter):
|
|
|
|
```bash
|
|
curl -o get-pip.py https://bootstrap.pypa.io/get-pip.py && \
|
|
sudo python get-pip.py && \
|
|
sudo pip install pyserial && \
|
|
mkdir -p ~/Documents/Arduino/hardware/espressif && \
|
|
cd ~/Documents/Arduino/hardware/espressif && \
|
|
git clone https://github.com/espressif/arduino-esp32.git esp32 && \
|
|
cd esp32/tools/ && \
|
|
python get.py
|
|
```
|
|
- Restart Arduino IDE
|
|
|
|
### Instructions for Debian/Ubuntu Linux
|
|
- Install latest Arduino IDE from [arduino.cc](https://www.arduino.cc/en/Main/Software)
|
|
- Open Terminal and execute the following command (copy->paste and hit enter):
|
|
|
|
```bash
|
|
sudo usermod -a -G dialout $USER && \
|
|
sudo apt-get install git && \
|
|
wget https://bootstrap.pypa.io/get-pip.py && \
|
|
sudo python get-pip.py && \
|
|
sudo pip install pyserial && \
|
|
mkdir -p ~/Arduino/hardware/espressif && \
|
|
cd ~/Arduino/hardware/espressif && \
|
|
git clone https://github.com/espressif/arduino-esp32.git esp32 && \
|
|
cd esp32/tools/ && \
|
|
python get.py
|
|
```
|
|
- Restart Arduino IDE
|
|
|
|
## Using PlatformIO
|
|
|
|
[PlatformIO](http://platformio.org) is an open source ecosystem for IoT
|
|
development with cross platform build system, library manager and full support
|
|
for Espressif ESP32 development. It works on the popular host OS: Mac OS X, Windows,
|
|
Linux 32/64, Linux ARM (like Raspberry Pi, BeagleBone, CubieBoard).
|
|
|
|
- [What is PlatformIO?](http://docs.platformio.org/page/what-is-platformio.html)
|
|
- [PlatformIO IDE](http://platformio.org/platformio-ide)
|
|
- Quick Start with [PlatformIO IDE](http://docs.platformio.org/page/ide/atom.html#quick-start) or [PlatformIO Core](http://docs.platformio.org/page/core.html)
|
|
- [Integration with Cloud and Standalone IDEs](http://docs.platformio.org/page/ide.html) -
|
|
Cloud9, Codeanywehre, Eclipse Che (Codenvy), Atom, CLion, Eclipse, Emacs, NetBeans, Qt Creator, Sublime Text, VIM and Visual Studio
|
|
- [Project Examples](https://github.com/platformio/platform-espressif32/tree/develop/examples)
|
|
|
|
## Using as ESP-IDF component
|
|
- Download and install [esp-idf](https://github.com/espressif/esp-idf)
|
|
- Create blank idf project (from one of the examples)
|
|
- in the project folder, create a folder called components and clone this repository inside
|
|
|
|
```bash
|
|
mkdir -p components && \
|
|
cd components && \
|
|
git clone https://github.com/espressif/arduino-esp32.git arduino && \
|
|
cd .. && \
|
|
make menuconfig
|
|
```
|
|
- ```make menuconfig``` has some Arduino options
|
|
- "Autostart Arduino setup and loop on boot"
|
|
- If you enable this options, your main.cpp should be formated like any other sketch
|
|
|
|
```arduino
|
|
//file: main.cpp
|
|
#include "Arduino.h"
|
|
|
|
void setup(){
|
|
Serial.begin(115200);
|
|
}
|
|
|
|
void loop(){
|
|
Serial.println("loop");
|
|
delay(1000);
|
|
}
|
|
```
|
|
- Else you need to implement ```app_main()``` and call ```initArduino();``` in it.
|
|
|
|
Keep in mind that setup() and loop() will not be called in this case
|
|
|
|
```arduino
|
|
//file: main.cpp
|
|
#include "Arduino.h"
|
|
|
|
extern "C" void app_main()
|
|
{
|
|
initArduino();
|
|
pinMode(4, OUTPUT);
|
|
digitalWrite(4, HIGH);
|
|
//do your own thing
|
|
}
|
|
```
|
|
- "Disable mutex locks for HAL"
|
|
- If enabled, there will be no protection on the drivers from concurently accessing them from another thread/interrupt/core
|
|
- "Autoconnect WiFi on boot"
|
|
- If enabled, WiFi will start with the last known configuration
|
|
- Else it will wait for WiFi.begin
|
|
- ```make flash monitor``` will build, upload and open serial monitor to your board
|
|
|
|
## ESP32Dev Board PINMAP
|
|
|
|
|