140 lines
3.2 KiB
Arduino
140 lines
3.2 KiB
Arduino
#include <WiFi.h>
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#include <WebServer.h>
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#include <ArduinoJson.h>
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#include <LittleFS.h>
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// Wi-Fi credentials
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const char* ssid = "";
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const char* password = "";
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// Web server on port 80
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WebServer server(80);
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// TCP client for talking to motor ESP
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WiFiClient motorClient;
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IPAddress motorIP(192, 168, 1, 18); // Motor ESP IP (must be static or fixed by DHCP)
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bool starterSet = false;
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bool endSet = false;
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// =================== COMMUNICATION ===================
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bool ensureConnected() {
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if (!motorClient.connected()) {
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return motorClient.connect(motorIP, 3333); // Port must match motor ESP
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}
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return true;
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}
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String sendMotorCommand(const String& cmd) {
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if (!ensureConnected()) return "Motor Not Connected";
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motorClient.println(cmd);
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motorClient.flush();
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String response = "";
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unsigned long start = millis();
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while (millis() - start < 300) {
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while (motorClient.available()) {
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char c = motorClient.read();
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if (c == '\n') return response;
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response += c;
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}
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}
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return response;
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}
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// =================== SETUP ===================
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void setup() {
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Serial.begin(115200);
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// Connect to Wi-Fi
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WiFi.begin(ssid, password);
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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("\nConnected to Wi-Fi. IP: " + WiFi.localIP().toString());
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if (!LittleFS.begin(true)) {
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Serial.println("Failed to mount LittleFS");
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return;
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}
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// Routes
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server.on("/", handleRoot);
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server.on("/cmd", handleCommand);
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server.on("/move", handleMove);
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server.on("/set", handleSet);
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server.on("/status", handleStatus);
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server.begin();
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}
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void loop() {
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server.handleClient();
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}
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// =================== WEB HANDLERS ===================
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void handleRoot() {
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File file = LittleFS.open("/index.html", "r");
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if (!file) {
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server.send(500, "text/plain", "Failed to load HTML file");
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return;
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}
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server.streamFile(file, "text/html");
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file.close();
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}
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void handleCommand() {
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String command = server.arg("code");
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String reply = sendMotorCommand(command);
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server.send(200, "text/plain", reply.length() > 0 ? reply : "OK");
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}
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void handleSet() {
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if (!server.hasArg("type") || !server.hasArg("val")) {
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server.send(400, "text/plain", "Missing arguments");
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return;
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}
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String type = server.arg("type");
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float value = server.arg("val").toFloat();
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if (type == "starter-position-input") {
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starterSet = true;
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String cmd = "starter-position-input " + String(value, 2);
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sendMotorCommand(cmd);
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} else if (type == "end-position-input") {
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endSet = true;
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String cmd = "end-position-input " + String(value, 2);
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sendMotorCommand(cmd);
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} else {
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server.send(400, "text/plain", "Invalid type");
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return;
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}
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server.send(200, "text/plain", "OK");
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}
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void handleStatus() {
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String json = sendMotorCommand("status");
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if (json.startsWith("{")) {
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server.send(200, "application/json", json);
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} else {
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server.send(500, "text/plain", "Invalid status");
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}
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}
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void handleMove() {
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float position = server.arg("pos").toFloat();
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String cmd = "move " + String(position, 2);
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sendMotorCommand(cmd);
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// MUST send a response to complete the request
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server.send(200, "text/plain", "OK");
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}
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