irgendwas
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INF/libraries/PS3_Controller_Host/README.md
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INF/libraries/PS3_Controller_Host/README.md
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Description
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==============
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Control your ESP32 projects with a PS3 controller!
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This library is meant to be used with Espressif's [ESP-IDF](https://github.com/espressif/esp-idf) IoT Development Framework.
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However, Arduino is supported too!
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Pairing the PS3 Controller:
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==============
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When a PS3 controller is 'paired' to a PS3 console, it just means that it has stored the console's Bluetooth MAC address, which is the only device the controller will connect to. Usually, this pairing happens when you connect the controller to the PS3 console using a USB cable, and press the PS button. This initiates writing the console's MAC address to the controller.
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Therefore, if you want to connect your PS3 controller to the ESP32, you either need to figure out what the Bluetooth MAC address of your PS3 console is and set the ESP32's address to it, or change the MAC address stored in the PS3 controller.
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Whichever path you choose, you're going to need a tool to read and/or write the currently paired MAC address from the PS3 controller. I used [SixaxisPairTool](https://dancingpixelstudios.com/sixaxis-controller/sixaxispairtool/) for this, but you can try using [sixaxispairer](https://github.com/user-none/sixaxispairer) as well, if open source is important to you.
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**Note for ESP-IDF:** If you opted to change the ESP32's MAC address, you'll need to include this snippet in your code **before** calling ```ps3Init()```, where the MAC address should match with the one stored on the PS3 controller:
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```c
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uint8_t new_mac[8] = {0x01,0x02,0x03,0x04,0x05,0x06};
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ps3SetBluetoothMacAddress(new_mac);
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```
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Getting Started with Arduino
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==============
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### Installing the ESP32 board ###
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In case you haven't yet, you can add the ESP32 boards to your Arduino IDE by adding them to the Boards Manager: Open `File -> Preferences`, and paste the following URL in the `Additional Boards Manager URLs` field:
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- `https://dl.espressif.com/dl/package_esp32_index.json`
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Open the Boards Manager with `Tools -> Board: "xxx" -> Boards Manager`, look for `esp32` (probably the last one in the list), and click `Install`.
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Finally, select the ESP32 board you have with `Tools -> Board: "xxx"` under the section `ESP32 Arduino` (I always have `ESP32 Dev Module` selected).
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### Installing the library ###
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You can install the Arduino library from within the Arduino IDE. Open the Library Manager with `Sketch -> Include Library -> Manage Libraries...`.
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Search for `PS3 Controller Host`, and click `Install`.
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### Using the library ###
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To use this library in your sketch, include it with `Sketch -> Include Library -> PS3 Controller Host`.
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You can initialize the library using `Ps3.begin(mac)`, passing a string with the MAC address stored in the PS3 Controller. Your sketch would then look like this:
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```c
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#include <Ps3Controller.h>
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void setup()
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{
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Ps3.begin("01:02:03:04:05:06");
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}
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```
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### Display Bluetooth address ###
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The example sketches in this libary all demonstrate initializing the libary using a custom Bluetooth MAC address. However, instead of hardcoding the MAC address like this in your sketch, you might want to simply read the ESP32's MAC address so that you can write it to the PS3 controller.
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Luckily, this can be accomplished by a simple sketch using `Ps3.getAddress()`:
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```c
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#include <Ps3Controller.h>
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void setup()
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{
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Serial.begin(115200);
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Ps3.begin();
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String address = Ps3.getAddress();
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Serial.println(address);
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}
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```
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### Examples
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In order to learn more about how to use this library, please refer to the example sketches in the Arduino IDE with `File -> Examples -> PS3 Controller Host`:
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- Try to connect to the PS3 controller first with the `Ps3Connect` sketch.
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- Take a look at the `Ps3Data` sketch to see how you can access the controller data values.
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- Take a look at the `Ps3DataNotify` to see how you can attach a notification function which gets triggered every time new data is received from the PS3 controller. This allows your code to quickly react on controller input even when you have multiple `delay()` calls in your `loop()`.
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- The `Ps3Demo` sketch showcases how to access (almost) all of the controller data made available by this library.
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- Finally, `Ps3Accelerometer` allows you to draw live graphs of the accelerometer data inside the PS3 controller by using `Tools -> Serial Plotter`.
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Getting Started with ESP-IDF
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==============
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### Installing the library ###
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There are two options to install this library: either install it globally in the ESP-IDF folder so all of your projects can make use of it, or install it locally in your project folder.
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Go to the root of either, and clone this repository by running:
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`git clone https://github.com/jvpernis/esp32-ps3.git components/ps3`
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In case you are using git to manage your project, you can also add this library to your repository by running:
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`git submodule add https://github.com/jvpernis/esp32-ps3.git components/ps3`
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### Configuring your project ###
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Make sure you have configured your project correctly in order to use your PS3 controller.
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In your project folder, run `make menuconfig` and configure your project with the following steps:
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- Navigate to `Component config --->` and press <kbd>Enter</kbd> to open the component config menu.
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- Navigate to `Bluetooth --->` and press <kbd>Enter</kbd> to open the Bluetooth config menu.
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- Select `[] Bluetooth` and press <kbd>Y</kbd> to enable Bluetooth
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- Navigate to `Bluetooth controller --->` and press <kbd>Enter</kbd> to open its menu.
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- Navigate to `Bluetooth controller mode` and press <kbd>Enter</kbd> to show the controller mode options.
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- Select `BR/EDR Only` and press <kbd>Enter</kbd> to confirm the choice.
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- Press <kbd>E</kbd> to go back to the Bluetooth menu.
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- If it exists, navigate to `Bluetooth Host` and press <kbd>Enter</kbd> to show the host options.
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- Select `Bluedroid - Dual-mode` and press <kbd>Enter</kbd> to confirm the choice.
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- Navigate to `[] Bluedroid Enable --->` and press <kbd>Y</kbd> to enable Bluedroid if it isn't already, then press <kbd>Enter</kbd> to open its menu.
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- Navigate to `Classic Bluetooth` and press <kbd>Y</kbd> to enable it
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- Navigate to `SPP` and press <kbd>Y</kbd> to enable it
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- Navigate to `Secure Simple Pairing` and press <kbd>Y</kbd> to enable it if it isn't already
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- Press <kbd>S</kbd> to save the configuration.
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### Using the library ###
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In order to use this library, you just need to set an event callback, call the initialisation function, and, optionally, wait for the PS3 controller to be connected:
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```c
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#include "ps3.h"
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#include "freertos/task.h"
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ps3SetEventCallback(controller_event_cb);
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ps3Init();
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while (!ps3IsConnected()){
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// Prevent the Task Watchdog from triggering
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vTaskDelay(10 / portTICK_PERIOD_MS);
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}
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```
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Your event callback will have to look like this:
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```c
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void controller_event_cb( ps3_t ps3, ps3_event_t event )
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{
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// Event handling here...
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}
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```
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### Examples
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```c
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if ( ps3.status.battery >= ps3_status_battery_high )
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print("The controller still has sufficient battery charge");
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if ( ps3.status.charging )
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print("Controller is charging");
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if ( ps3.button.triangle )
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print("Currently pressing the trangle button");
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if ( ps3.analog.stick.lx < 0 )
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print("Currently pulling analog stick to the left");
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if ( event.button_down.cross )
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print("The user started pressing the X button");
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if ( event.button_up.cross )
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print("The user released the X button");
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if ( event.analog_changed.stick.lx )
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print("The user has moved the left stick sideways");
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```
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Troubleshooting
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==============
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### The component gives compilation errors ###
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This project uses ESP-IDF internal API's in order to implement the PS3 controller functionality. This has a drawback of being susceptible to being suddenly broken.
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In case this happens and you're getting compiler errors, please [create an issue](https://github.com/jvpernis/esp32-ps3/issues/new).
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Sources
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==============
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I've had tremendous help developing this library by reading these sources:
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- http://wiki.ros.org/ps3joy
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- https://github.com/ros-drivers/joystick_drivers/blob/master/ps3joy/scripts/ps3joy_node.py
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- https://github.com/felis/USB_Host_Shield_2.0/wiki/PS3-Information#Bluetooth
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