116 lines
2.6 KiB
Arduino
116 lines
2.6 KiB
Arduino
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//This example acts like a websever. It can create an access point or join an existing WiFI network.
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//All text that's entered in the served page will bis displayed on the connected VGA screen.
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//You need to connect a VGA screen cable to the pins specified below.
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//cc by-sa 4.0 license
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//bitluni
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#include <stdio.h>
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#include <WiFi.h>
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#include <WebServer.h>
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//ESP32Lib headers
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#include <ESP32Lib.h>
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#include <Ressources/Font6x8.h>
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//true: creates an access point, false: connects to an existing wifi
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const bool AccessPointMode = true;
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//wifi credentials (enter yours if you arne not using the AccessPointMode)
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const char *ssid = "VGA";
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const char *password = "";
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//pin configuration, change if you need to
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const int redPin = 14;
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const int greenPin = 19;
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const int bluePin = 27;
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const int hsyncPin = 32;
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const int vsyncPin = 33;
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//the webserver at pot 80
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WebServer server(80);
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//The VGA Device
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VGA3Bit vga;
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//include html page
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const char *page =
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#include "page.h"
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;
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///Html page is sent on root
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void sendPage()
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{
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server.send(200, "text/html", page);
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}
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///Received text will be displayed on the screen
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void text()
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{
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server.send(200, "text/plain", "ok");
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vga.println(server.arg(0).c_str());
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}
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///initialization
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void setup()
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{
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Serial.begin(115200);
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//Handle the WiFi AP or STA mode and display results on the screen
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if (AccessPointMode)
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{
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Serial.println("Creating access point...");
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WiFi.softAP(ssid, password, 6, 0);
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}
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else
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{
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Serial.print("Connecting to SSID ");
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Serial.println(ssid);
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WiFi.begin(ssid, password);
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while (WiFi.status() != WL_CONNECTED)
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{
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delay(500);
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vga.print(".");
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}
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}
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//start vga on the specified pins
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vga.init(vga.MODE400x300, redPin, greenPin, bluePin, hsyncPin, vsyncPin);
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//make the background blue
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vga.clear(vga.RGBA(0, 0, 255));
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vga.backColor = vga.RGB(0, 0, 255);
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//select the font
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vga.setFont(Font6x8);
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//send page on http://<ip>/
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server.on("/", sendPage);
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//receive text on http://<ip>/text
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server.on("/text", text);
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//start the server
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server.begin();
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//display some text header on the screen including the ip
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vga.clear(vga.RGBA(0, 0, 255));
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vga.setCursor(0, 0);
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vga.println("----------------------");
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vga.println("bitluni's VGA Terminal");
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if (AccessPointMode)
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{
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vga.print("SSID: ");
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vga.println(ssid);
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if (strlen(password))
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{
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vga.print("password: ");
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vga.println(password);
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}
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vga.println("http://192.168.4.1");
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}
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else
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{
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vga.print("http://");
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vga.println(WiFi.localIP().toString().c_str());
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}
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vga.println("----------------------");
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}
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void loop()
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{
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//process the server stuff
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server.handleClient();
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delay(10);
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}
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