#include #include #include #include #include #include #include #include "color.h" void launchWiFiConfig(); // Read WiFi credentials from EEPROM #define WIFI_SSID_ADDR 0 #define WIFI_PASS_ADDR 64 #define WIFI_MAX_LEN 32 #define DEBUG #ifdef DEBUG char output[80]; #define DEBUG_MSG(...) snprintf(output,80, __VA_ARGS__ ); \ Serial.println(output); #else #define DEBUG_MSG(...) #endif /* tft */ #define TFT_BL 21 TFT_eSPI tft = TFT_eSPI(); char wifi_ssid[WIFI_MAX_LEN]; char wifi_pass[WIFI_MAX_LEN]; void setup() { Serial.begin(115200); DEBUG_MSG("CYD DCC mouse Demo"); // Turn on backlight and initialize TFT pinMode(TFT_BL, OUTPUT); digitalWrite(TFT_BL, HIGH); // Backlight ON DEBUG_MSG("Backlight ON"); tft.init(); DEBUG_MSG("TFT init done"); DEBUG_MSG("Rotation set"); // Print hello world on tft tft.fillScreen(COLOR_BLACK); tft.setTextColor(COLOR_WHITE); tft.setTextSize(1); tft.setCursor(10, 10); tft.println("Initialize Network..."); DEBUG_MSG("Reading WiFi credentials from EEPROM"); EEPROM.begin(128); for (int i = 0; i < WIFI_MAX_LEN; i++) { wifi_ssid[i] = EEPROM.read(WIFI_SSID_ADDR + i); wifi_pass[i] = EEPROM.read(WIFI_PASS_ADDR + i); } wifi_ssid[WIFI_MAX_LEN-1] = '\0'; wifi_pass[WIFI_MAX_LEN-1] = '\0'; bool ssid_found = strlen(wifi_ssid) > 0 && wifi_ssid[0] != 0xFF; bool pass_found = strlen(wifi_pass) > 0 && wifi_pass[0] != 0xFF; if (!ssid_found || !pass_found) { DEBUG_MSG("WiFi credentials not found in EEPROM"); tft.setCursor(10, 25); tft.setTextColor(COLOR_ORANGE); tft.println("WiFi credentials missing!"); tft.setCursor(10, 40); tft.setTextColor(COLOR_YELLOW); tft.println("Please connect to CYD_Config AP"); tft.setCursor(10, 55); tft.println("and set WiFi credentials"); launchWiFiConfig(); // Function to start WiFi configuration mode (not implemented here) } else { // Ok connect to WiFi tft.setCursor(60, 10); tft.setTextColor(COLOR_GREEN); tft.println("OK"); DEBUG_MSG("WiFi SSID: %s", wifi_ssid); DEBUG_MSG("WiFi PASS: %s", wifi_pass); } // Try to open SD card and read content if (!SD.begin()) { tft.println("SD Card not found!"); while (1); // or handle error as needed } if (!SD.exists("/loco")) { tft.println("loco/ folder not found!"); while (1); // or handle error as needed } } void loop() { // tft.fillScreen(TFT_PURPLE); // Serial.println("RED"); // delay(1000); // tft.fillScreen(TFT_GREEN); // Serial.println("GREEN"); // delay(1000); // tft.fillScreen(TFT_YELLOW); // Serial.println("BLUE"); // delay(1000); // tft.fillScreen(TFT_BLACK); // Serial.println("BLACK"); // delay(1000); // tft.fillScreen(TFT_WHITE); // Serial.println("WHITE"); // delay(1000); } /** * launchWiFiConfig() - Placeholder function to start WiFi configuration mode * In a real implementation, this would start an access point and web server to allow the user * to enter their WiFi credentials through a web interface. For this demo, it's just a placeholder. */ void launchWiFiConfig() { // Start WiFi in AP mode, set up a web server, and handle incoming connections to save new credentials to EEPROM WiFi.softAP("CYD_Config", "12345678"); IPAddress myIP = WiFi.softAPIP(); DEBUG_MSG("AP IP address: %s", myIP.toString().c_str()); AsyncWebServer server(80); server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){ String html = "

WiFi Config

" ""; request->send(200, "text/html", html); }); server.on("/save", HTTP_POST, [](AsyncWebServerRequest *request){ String ssid, pass; if (request->hasParam("ssid", true)) ssid = request->getParam("ssid", true)->value(); if (request->hasParam("pass", true)) pass = request->getParam("pass", true)->value(); for (int i = 0; i < WIFI_MAX_LEN; i++) { EEPROM.write(WIFI_SSID_ADDR + i, i < ssid.length() ? ssid[i] : 0); EEPROM.write(WIFI_PASS_ADDR + i, i < pass.length() ? pass[i] : 0); } EEPROM.commit(); request->send(200, "text/html", "Saved! Reboot device."); }); server.begin(); tft.setCursor(10, 120); tft.setTextColor(COLOR_CYAN); tft.println("Connect to CYD_Config AP"); tft.setCursor(10, 135); tft.println("Open 192.168.4.1 in browser"); while (true) { delay(1000); } }