TAKEONE/takeone-joystick-esp32c3
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Ghassan Yusuf 2025-07-13 15:35:32 +03:00
commit 2f80e9f2bc
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302
header.h Normal file
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//========================================================
// BUTTON
//========================================================
#include <Button.h>
Button BlueBody(0); // Connect your button between pin 2 and GND
Button BlueHead(1); // Connect your button between pin 3 and GND
Button RedBody(2); // Connect your button between pin 4 and GND
Button RedHead(3); // Connect your button between pin 4 and GND
Button YellowButton(5); // Connect your button between pin 4 and GND
//========================================================
// OLED Display
//========================================================
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3C //< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
// Start Display
void displayInit() {
// SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
Serial.println(F("SSD1306 allocation failed"));
for(;;); // Don't proceed, loop forever
}
// Clearing Out Every Thing
display.clearDisplay();
display.display();
}
// Display Identity
void displayIdentity() {
// Display MAC Address
display.setTextSize(1); // Draw 2X-scale text
display.setTextColor(SSD1306_WHITE);
display.setCursor(0, 0);
display.println();
display.println("TAKEONE JoyStick");
display.println();
display.println(WiFi.localIP());
display.println();
display.println(WiFi.macAddress());
display.display();
}
// Display Identity
void displayStatus(const char* title, const char* line2 = nullptr, const char* line3 = nullptr) {
display.clearDisplay();
display.setTextSize(2);
display.setTextColor(SSD1306_WHITE);
display.setCursor(0, 0);
display.println(title);
display.setTextSize(1);
if(line2) {
display.setCursor(0, 20);
display.println(line2);
}
if(line3) {
display.setCursor(0, 35);
display.println(line3);
}
display.display();
}
//========================================================
// WiFi Connection
//========================================================
#include <WiFiManager.h>
#include <SPIFFS.h>
#include <ArduinoJson.h>
// TCP client
WiFiClient client;
// Global config variables
char server[40] = "";
char port[6] = "8080";
char deviceName[32] = "ESP_Device";
bool shouldSaveConfig = false;
// Variables
unsigned long lastWiFiCheck = 0;
unsigned long lastTCPCheck = 0;
const unsigned long checkInterval = 5000; // 5 seconds
// Call Back Function
void saveConfigCallback() {
shouldSaveConfig = true;
}
// Robust SPIFFS mount/format function
bool safeMountFS() {
if (SPIFFS.begin(true)) return true; // true = format if mount fails
Serial.println("SPIFFS mount/format failed!");
return false;
}
// Build The Configuration
void setupWiFiAndConfig(const char* apName) {
displayStatus("Starting...");
safeMountFS();
displayStatus("Loading", "Config...");
bool configLoaded = false;
if (SPIFFS.exists("/config.json")) {
File f = SPIFFS.open("/config.json", "r");
if (f) {
DynamicJsonDocument j(512);
if (!deserializeJson(j, f)) {
strcpy(server, j["server"] | "");
strcpy(port, j["port"] | "8080");
strcpy(deviceName, j["deviceName"] | "ESP_Device");
configLoaded = true;
}
f.close();
}
}
if (!configLoaded) {
strcpy(server, "");
strcpy(port, "8080");
strcpy(deviceName, "ESP_Device");
}
displayStatus("WiFi Setup", "Open Portal");
WiFiManagerParameter pServer("server", "Server", server, 40);
WiFiManagerParameter pPort("port", "Port", port, 6);
WiFiManagerParameter pDevName("devname", "Device Name", deviceName, 32);
WiFiManager wm;
wm.setSaveConfigCallback(saveConfigCallback);
wm.addParameter(&pServer); wm.addParameter(&pPort); wm.addParameter(&pDevName);
if (!wm.autoConnect(apName)) {
displayStatus("Restarting...", "WiFi Failed");
delay(2000);
ESP.restart();
}
strcpy(server, pServer.getValue());
strcpy(port, pPort.getValue());
strcpy(deviceName, pDevName.getValue());
displayStatus("WiFi OK", WiFi.localIP().toString().c_str());
if (shouldSaveConfig) {
File f = SPIFFS.open("/config.json", "w");
if (f) {
DynamicJsonDocument j(512);
j["server"] = server; j["port"] = port; j["deviceName"] = deviceName;
serializeJson(j, f); f.close();
}
}
delay(1000); // Give user a moment to see the status
}
// Reset WiFi
void resetWiFiAndConfig() {
// Erase WiFi credentials
WiFi.disconnect(true, true); // erase WiFi credentials from flash[1]
delay(1000);
// Remove config file from SPIFFS
SPIFFS.begin(true); // Ensure SPIFFS is mounted
if (SPIFFS.exists("/config.json")) {
SPIFFS.remove("/config.json");
}
// Optionally, restart the device to trigger portal on next boot
ESP.restart();
}
// Monitor Connection
void monitorConnection() {
unsigned long now = millis();
// 1. WiFi connectivity check and reconnect
if(now - lastWiFiCheck > checkInterval) {
lastWiFiCheck = now;
if (WiFi.status() != WL_CONNECTED) {
Serial.println("WiFi disconnected, trying to reconnect...");
WiFi.reconnect();
}
}
// 2. TCP connectivity check and reconnect
if(now - lastTCPCheck > checkInterval) {
lastTCPCheck = now;
if (WiFi.status() == WL_CONNECTED) {
if (!client.connected()) {
Serial.println("TCP disconnected, trying to reconnect...");
client.stop(); // Ensure clean state
if (client.connect(server, atoi(port))) {
Serial.println("TCP reconnected!");
} else {
Serial.println("TCP reconnect failed.");
}
}
}
}
// Example: if connected, send something every 10 seconds
static unsigned long lastSend = 0;
if(client.connected() && now - lastSend > 10000) {
client.print("Hello from ");
client.println(deviceName);
lastSend = now;
}
}
// Send Device Identity on TCP Connect ---
void sendDeviceIdentity() {
DynamicJsonDocument doc(128);
doc["id"] = WiFi.macAddress();
doc["type"] = deviceName;
String out;
serializeJson(doc, out);
client.println(out);
}
// Send Button Event ---
void sendButtonMessage(const char* btn) {
DynamicJsonDocument doc(64);
doc["button"] = btn;
String out;
serializeJson(doc, out);
client.println(out);
}
// Send Cancel Event ---
void sendCancelMessage() {
DynamicJsonDocument doc(64);
doc["button"] = "cancel";
String out;
serializeJson(doc, out);
client.println(out);
}
// // --- Yellow Button Handler ---
// void checkYellowButton() {
// bool pressed = (digitalRead(BTN_YELLOW) == LOW);
// if (pressed && !yellowBtnWasPressed) {
// yellowBtnPressStart = millis();
// yellowLongActionDone = false;
// yellowBtnWasPressed = true;
// }
// if (!pressed && yellowBtnWasPressed) {
// unsigned long pressDuration = millis() - yellowBtnPressStart;
// if (pressDuration < 500) {
// sendCancelMessage();
// }
// yellowBtnWasPressed = false;
// }
// if (pressed && !yellowLongActionDone && (millis() - yellowBtnPressStart > 3000)) {
// // Long press: WiFi reset
// // Display message if you have an OLED
// // displayStatus("WiFi Reset", "Hold...");
// resetWiFiAndConfig();
// yellowLongActionDone = true;
// }
// }
// Action Button Handler
void checkActionButtons() {
if(BlueBody.pressed()) {
sendButtonMessage("blue_body")
};
if(BlueHead.pressed()) {
sendButtonMessage("blue_head")
};
if(RedBody.pressed()) {
sendButtonMessage("red_body")
};
if(RedHead.pressed()) {
sendButtonMessage("red_head")
};
}

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//========================================================
// Header Include
//========================================================
// Header File
#include <WiFi.h>
#include "header.h"
//========================================================
// SETUP
//========================================================
void setup() {
// Serial Port
Serial.begin(115200);
Serial.println();
// Display
displayInit(); // Starting The Display
displayIdentity(); // Display Identity
// WiFi
setupWiFiAndConfig("TAKEONE");
// displayStatus("TCP Connect", server, port);
// Buttons Start
BlueBody.begin(); // Connect your button between pin 2 and GND
BlueHead.begin(); // Connect your button between pin 3 and GND
RedBody.begin(); // Connect your button between pin 4 and GND
RedHead.begin(); // Connect your button between pin 4 and GND
YellowButton.begin(); // Connect your button between pin 4 and GND
// Stop
Serial.println();
}
//========================================================
// LOOP
//========================================================
void loop() {
// Monitor
// monitorConnection();
// Buttons
read_buttons();
}
//========================================================
// Read Button
//========================================================
void read_buttons() {
if(BlueBody.pressed()) {
Serial.println("Blue Body");
}
if(BlueHead.pressed()) {
Serial.println("Blue Head");
}
if(RedBody.pressed()) {
Serial.println("Red Body");
}
if(RedHead.pressed()) {
Serial.println("Red Head");
}
if(YellowButton.pressed()) {
Serial.println("Yellow");
resetWiFiAndConfig();
}
}
//========================================================
// OLED Display
//========================================================