first commit playstation esp32 controller code
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John Park
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PlayStation_BLE/.itsybitsy_esp32.test.only
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PlayStation_BLE/.itsybitsy_esp32.test.only
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PlayStation_BLE/PlayStation_ESP32_BLE_Gamepad.ino
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PlayStation_BLE/PlayStation_ESP32_BLE_Gamepad.ino
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/*
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* Feather ESP32 Bluetooth LE gamepad https://github.com/lemmingDev/ESP32-BLE-Gamepad
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* John Park for Adafruit Industries, April 2024
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* Deep sleep with wake on START button press
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* https://randomnerdtutorials.com/esp32-deep-sleep-arduino-ide-wake-up-sources/
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* OTA WiFi uploads
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* https://docs.espressif.com/projects/arduino-esp32/en/latest/ota_web_update.html
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* Sketch > Compile binary, then http://esp32.local/?userid=admin&pwd=admin
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* pick compiled .bin, upload.
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*/
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#include <Arduino.h>
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#include <BleGamepad.h>
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#include <Adafruit_NeoPixel.h>
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#include <WiFi.h>
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#include <WiFiClient.h>
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#include <WebServer.h>
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#include <ESPmDNS.h>
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#include <Update.h>
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const char* host = "esp32";
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const char* ssid = "xxxxxx"; // your WiFi SSID here
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const char* password = "xxxxxx"; // your WiFi password here
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WebServer server(80);
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/*
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* Login page
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*/
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const char* loginIndex =
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"<form name='loginForm'>"
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"<table width='20%' bgcolor='A09F9F' align='center'>"
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"<tr>"
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"<td colspan=2>"
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"<center><font size=4><b>ESP32 Login Page</b></font></center>"
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"<br>"
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"</td>"
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"<br>"
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"<br>"
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"</tr>"
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"<tr>"
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"<td>Username:</td>"
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"<td><input type='text' size=25 name='userid'><br></td>"
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"</tr>"
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"<br>"
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"<br>"
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"<tr>"
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"<td>Password:</td>"
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"<td><input type='Password' size=25 name='pwd'><br></td>"
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"<br>"
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"<br>"
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"</tr>"
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"<tr>"
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"<td><input type='submit' onclick='check(this.form)' value='Login'></td>"
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"</tr>"
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"</table>"
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"</form>"
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"<script>"
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"function check(form)"
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"{"
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"if(form.userid.value=='admin' && form.pwd.value=='admin')"
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"{"
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"window.open('/serverIndex')"
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"}"
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"else"
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"{"
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" alert('Error Password or Username')/*displays error message*/"
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"}"
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"}"
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"</script>";
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/*
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* Server Index Page
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*/
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const char* serverIndex =
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"<script src='https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js'></script>"
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"<form method='POST' action='#' enctype='multipart/form-data' id='upload_form'>"
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"<input type='file' name='update'>"
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"<input type='submit' value='Update'>"
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"</form>"
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"<div id='prg'>progress: 0%</div>"
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"<script>"
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"$('form').submit(function(e){"
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"e.preventDefault();"
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"var form = $('#upload_form')[0];"
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"var data = new FormData(form);"
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" $.ajax({"
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"url: '/update',"
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"type: 'POST',"
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"data: data,"
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"contentType: false,"
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"processData:false,"
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"xhr: function() {"
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"var xhr = new window.XMLHttpRequest();"
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"xhr.upload.addEventListener('progress', function(evt) {"
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"if (evt.lengthComputable) {"
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"var per = evt.loaded / evt.total;"
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"$('#prg').html('progress: ' + Math.round(per*100) + '%');"
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"}"
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"}, false);"
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"return xhr;"
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"},"
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"success:function(d, s) {"
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"console.log('success!')"
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"},"
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"error: function (a, b, c) {"
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"}"
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"});"
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"});"
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"</script>";
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////////////////////////////////////// GAMEPAD
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#define numOfButtons 12
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// sleep wake button definition (also update line in setup(): 'esp_sleep_enable_ext0_wakeup(GPIO_NUM_4,0);')
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#define BUTTON_PIN_BITMASK 0x10 // start button on RTC GPIO pin 4 which is 0x10 (2^4 in hex)
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RTC_DATA_ATTR int bootCount = 0;
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BleGamepad bleGamepad("ItsyController", "Adafruit", 100); // name, manufacturer, batt level to start
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byte previousButtonStates[numOfButtons];
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byte currentButtonStates[numOfButtons];
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// ItsyBitsy EPS32: 13, 12, 14, 33, 32, 7, 5, 27, 15, 20, 8, 22, 21, 19, 36, 37, 38, 4, 26, 25
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// RTC IO: 13, 12, 14, 33, 32, 27, 15, 36, 37, 38, 4, 26, 25
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// pins that act funny: 5, 37, 22
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byte buttonPins[numOfButtons] = { 13, 12, 14, 33, 32, 7, 27, 15, 21, 19, 4, 26 }; // ItsyBitsy
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byte physicalButtons[numOfButtons] = { 1, 2, 4, 5, 7, 8, 15, 16, 13, 14, 12, 11 }; // controller assignments
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// b0, b1, b3, b4, b6, b7, b14, b15, b12, b13, b10, b11
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// gampad: O/b0, X/b1, ^/b3, []]/b4, l_trig/b6, r_trig/b7, up/b14 , down/b15 , left/b12 , right/b13, select/b11, start/b10
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int last_button_press = millis();
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int sleepTime = 30000; // how long is it inactive before going to sleep
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// void print_wakeup_reason(){
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// esp_sleep_wakeup_cause_t wakeup_reason;
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// wakeup_reason = esp_sleep_get_wakeup_cause();
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// switch(wakeup_reason)
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// {
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// case ESP_SLEEP_WAKEUP_EXT0 : Serial.println("Wakeup caused by external signal using RTC_IO"); break;
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// case ESP_SLEEP_WAKEUP_EXT1 : Serial.println("Wakeup caused by external signal using RTC_CNTL"); break;
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// case ESP_SLEEP_WAKEUP_TIMER : Serial.println("Wakeup caused by timer"); break;
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// case ESP_SLEEP_WAKEUP_TOUCHPAD : Serial.println("Wakeup caused by touchpad"); break;
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// case ESP_SLEEP_WAKEUP_ULP : Serial.println("Wakeup caused by ULP program"); break;
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// default : Serial.printf("Wakeup was not caused by deep sleep: %d\n",wakeup_reason); break;
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// }
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// }
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Adafruit_NeoPixel pixel(1, 0, NEO_GRB + NEO_KHZ800); // Itsy on-board NeoPixel
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void setup()
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{
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Serial.begin(115200);
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delay(500);
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//Print the wakeup reason for ESP32
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// print_wakeup_reason();
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esp_sleep_enable_ext0_wakeup(GPIO_NUM_4,0); //1 = High, 0 = Low
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for (byte currentPinIndex = 0; currentPinIndex < numOfButtons; currentPinIndex++)
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{
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pinMode(buttonPins[currentPinIndex], INPUT_PULLUP);
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previousButtonStates[currentPinIndex] = HIGH;
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currentButtonStates[currentPinIndex] = HIGH;
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}
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bleGamepad.begin();
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delay(100);
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pixel.begin();
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pixel.clear();
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// Connect to WiFi network
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WiFi.begin(ssid, password);
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Serial.println("");
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// Wait for connection
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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}
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Serial.println("");
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Serial.print("Connected to ");
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Serial.println(ssid);
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Serial.print("IP address: ");
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Serial.println(WiFi.localIP());
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/*use mdns for host name resolution*/
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if (!MDNS.begin(host)) { //http://esp32.local
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Serial.println("Error setting up MDNS responder!");
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while (1) {
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delay(1000);
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}
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}
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Serial.println("mDNS responder started");
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/*return index page which is stored in serverIndex */
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server.on("/", HTTP_GET, []() {
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server.sendHeader("Connection", "close");
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server.send(200, "text/html", loginIndex);
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});
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server.on("/serverIndex", HTTP_GET, []() {
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server.sendHeader("Connection", "close");
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server.send(200, "text/html", serverIndex);
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});
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/*handling uploading firmware file */
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server.on("/update", HTTP_POST, []() {
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server.sendHeader("Connection", "close");
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server.send(200, "text/plain", (Update.hasError()) ? "FAIL" : "OK");
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ESP.restart();
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}, []() {
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HTTPUpload& upload = server.upload();
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if (upload.status == UPLOAD_FILE_START) {
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Serial.printf("Update: %s\n", upload.filename.c_str());
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if (!Update.begin(UPDATE_SIZE_UNKNOWN)) { //start with max available size
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Update.printError(Serial);
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}
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} else if (upload.status == UPLOAD_FILE_WRITE) {
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/* flashing firmware to ESP*/
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if (Update.write(upload.buf, upload.currentSize) != upload.currentSize) {
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Update.printError(Serial);
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}
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} else if (upload.status == UPLOAD_FILE_END) {
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if (Update.end(true)) { //true to set the size to the current progress
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Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
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} else {
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Update.printError(Serial);
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}
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}
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});
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server.begin();
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}
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void loop()
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{
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server.handleClient();
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delay(1);
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if (bleGamepad.isConnected())
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{
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pixel.setPixelColor(0, 0x000033);
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pixel.show();
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for (byte currentIndex = 0; currentIndex < numOfButtons; currentIndex++)
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{
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currentButtonStates[currentIndex] = digitalRead(buttonPins[currentIndex]);
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if (currentButtonStates[currentIndex] != previousButtonStates[currentIndex])
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{
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last_button_press = millis(); // update last_button_press for sleep timing
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if (currentButtonStates[currentIndex] == LOW)
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{
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bleGamepad.press(physicalButtons[currentIndex]);
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}
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else
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{
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bleGamepad.release(physicalButtons[currentIndex]);
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}
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}
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}
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if (currentButtonStates != previousButtonStates)
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{
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for (byte currentIndex = 0; currentIndex < numOfButtons; currentIndex++)
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{
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previousButtonStates[currentIndex] = currentButtonStates[currentIndex];
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}
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bleGamepad.sendReport();
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}
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if (millis() - last_button_press > sleepTime) {
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esp_deep_sleep_start();
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}
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}
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}
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