WIP ESP32-LCD: Very dirty but working code written at the LUG

esp32-lcd/esp32-lcd/esp32-lcd.ino

@@ -0,0 +1,120 @@
+#include <WiFi.h>
+#include <WiFiClient.h>
+#include <WebServer.h>
+#include <ESPmDNS.h>
+#include <LiquidCrystal.h>
+
+const char* ssid = "ichibi";
+const char* password = "uffobaruffo";
+
+/*
+ 
+LCD Pin –>ESP32 Pins
+
+    PIN01-VSS -> GND
+    PIN02-VDD -> 5V
+    PIN03 V0-> 10K Pot (Middle pin)
+    PIN04 RS->  GPIO19
+    PIN05 RW-> GND
+    PIN06  E  ->  GPIO23
+    PIN07 D0-> NOT USED
+    PIN08 D1-> NOT USED
+    PIN09 D2-> NOT USED
+    PIN10 D3-> NOT USED
+    PIN11 D4->  GPIO18
+    PIN12 D5->  GPIO17
+    PIN13 D6->  GPIO16
+    PIN14 D7->  GPIO15
+    PIN15 A-> 5V
+    PIN16 K-> GND
+
+ */
+
+WebServer server(80);
+
+// Init lcd
+LiquidCrystal lcd(19, 23, 18, 17, 16, 15);
+
+const int led = 13;
+
+void handleRoot() {
+  digitalWrite(led, 1);
+  lcd.clear();
+  for (uint8_t i = 0; i < server.args(); i++) {
+    lcd.print(server.arg(i));
+  }
+  server.send(200, "text/plain", "ok");
+  digitalWrite(led, 0);
+}
+
+void handleNotFound() {
+  digitalWrite(led, 1);
+  String message = "File Not Found\n\n";
+  message += "URI: ";
+  message += server.uri();
+  message += "\nMethod: ";
+  message += (server.method() == HTTP_GET) ? "GET" : "POST";
+  message += "\nArguments: ";
+  message += server.args();
+  message += "\n";
+  for (uint8_t i = 0; i < server.args(); i++) {
+    message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
+  }
+  server.send(404, "text/plain", message);
+  digitalWrite(led, 0);
+}
+
+void setup(void) {
+  // set up the LCD's number of columns and rows:
+  lcd.begin(16, 2);
+  // Print a message to the LCD.
+  lcd.print("Connecting to wifi...");
+
+  // Init
+  pinMode(led, OUTPUT);
+  digitalWrite(led, 0);
+  Serial.begin(115200);
+  WiFi.mode(WIFI_STA);
+  WiFi.begin(ssid, password);
+  Serial.println("");
+
+  // Wait for connection
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+  Serial.println("");
+  Serial.print("Connected to ");
+  Serial.println(ssid);
+  Serial.print("IP address: ");
+  Serial.println(WiFi.localIP());
+
+  // Print to LCD
+  lcd.clear();
+  lcd.print(WiFi.localIP());
+
+  if (MDNS.begin("esp32")) {
+    Serial.println("MDNS responder started");
+  }
+
+  server.on("/", handleRoot);
+  server.onNotFound(handleNotFound);
+
+  server.begin();
+  Serial.println("HTTP server started");
+
+}
+
+void loop(void) {
+  server.handleClient();
+  delay(2);//allow the cpu to switch to other tasks
+
+
+
+  
+  // set the cursor to column 0, line 1
+  // (note: line 1 is the second row, since counting begins with 0):
+  lcd.setCursor(0, 1);
+  // print the number of seconds since reset:
+  lcd.print(millis() / 1000);
+}