mirror of
https://github.com/equant/apple2idiot.git
synced 2024-11-05 17:06:34 +00:00
212 lines
7.6 KiB
C++
212 lines
7.6 KiB
C++
/*
|
|
*/
|
|
|
|
// Load Wi-Fi library
|
|
#include <WiFi.h>
|
|
|
|
// Replace with your network credentials
|
|
const char* ssid = "GSO";
|
|
const char* password = "xerxes27";
|
|
WiFiServer server(80);
|
|
String http_header;
|
|
|
|
/* OUTPUTS (numbers mean GPIO port) */
|
|
#define DATA_0_PIN 18
|
|
#define DATA_1_PIN 19
|
|
#define DATA_2_PIN 23
|
|
#define DATA_3_PIN 25
|
|
#define DATA_4_PIN 26
|
|
#define DATA_5_PIN 27
|
|
#define DATA_6_PIN 32
|
|
#define DATA_7_PIN 33
|
|
|
|
#define DEVSEL_PIN 35
|
|
|
|
#define ONBOARD_LED 2
|
|
|
|
// Auxiliar variables to store the current output state
|
|
String output26State = "off";
|
|
String output27State = "off";
|
|
|
|
// Assign output variables to GPIO pins
|
|
const int output26 = 26;
|
|
const int output27 = 27;
|
|
|
|
unsigned char data_register = 0;
|
|
|
|
// Current time
|
|
unsigned long currentTime = millis();
|
|
// Previous time
|
|
unsigned long previousTime = 0;
|
|
// Define timeout time in milliseconds (example: 2000ms = 2s)
|
|
const long timeoutTime = 2000;
|
|
|
|
void setup() {
|
|
Serial.begin(115200);
|
|
//Serial.begin(9600);
|
|
// Initialize the output variables as outputs
|
|
pinMode(ONBOARD_LED, OUTPUT);
|
|
//pinMode(output27, OUTPUT);
|
|
// Set outputs to LOW
|
|
digitalWrite(ONBOARD_LED, LOW);
|
|
//digitalWrite(output27, LOW);
|
|
pinMode(DATA_0_PIN, INPUT);
|
|
pinMode(DATA_1_PIN, INPUT);
|
|
pinMode(DATA_2_PIN, INPUT);
|
|
pinMode(DATA_3_PIN, INPUT);
|
|
pinMode(DATA_4_PIN, INPUT);
|
|
pinMode(DATA_5_PIN, INPUT);
|
|
pinMode(DATA_6_PIN, INPUT);
|
|
pinMode(DATA_7_PIN, INPUT);
|
|
pinMode(DEVSEL_PIN, INPUT);
|
|
|
|
// Connect to Wi-Fi network with SSID and password
|
|
Serial.print("Connecting to ");
|
|
Serial.println(ssid);
|
|
WiFi.begin(ssid, password);
|
|
while (WiFi.status() != WL_CONNECTED) {
|
|
delay(500);
|
|
Serial.print(".");
|
|
}
|
|
// Print local IP address and start web server
|
|
Serial.println("");
|
|
Serial.println("WiFi connected.");
|
|
Serial.println("IP address: ");
|
|
Serial.println(WiFi.localIP());
|
|
server.begin();
|
|
}
|
|
|
|
void http_check() {
|
|
WiFiClient client = server.available(); // Listen for incoming clients
|
|
if (client) { // If a new client connects,
|
|
currentTime = millis();
|
|
previousTime = currentTime;
|
|
//Serial.println("New Client."); // print a message out in the serial port
|
|
String currentLine = ""; // make a String to hold incoming data from the client
|
|
while (client.connected() && currentTime - previousTime <= timeoutTime) { // loop while the client's connected
|
|
currentTime = millis();
|
|
if (client.available()) { // if there's bytes to read from the client,
|
|
char c = client.read(); // read a byte, then
|
|
//Serial.write(c); // print it out the serial monitor
|
|
http_header += c;
|
|
if (c == '\n') { // if the byte is a newline character
|
|
// if the current line is blank, you got two newline characters in a row.
|
|
// that's the end of the client HTTP request, so send a response:
|
|
if (currentLine.length() == 0) {
|
|
// HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)
|
|
// and a content-type so the client knows what's coming, then a blank line:
|
|
client.println("HTTP/1.1 200 OK");
|
|
client.println("Content-type:text/html");
|
|
client.println("Connection: close");
|
|
client.println();
|
|
|
|
// turns the GPIOs on and off
|
|
if (http_header.indexOf("GET /26/on") >= 0) {
|
|
//Serial.println("GPIO 26 on");
|
|
output26State = "on";
|
|
digitalWrite(output26, HIGH);
|
|
} else if (http_header.indexOf("GET /26/off") >= 0) {
|
|
//Serial.println("GPIO 26 off");
|
|
output26State = "off";
|
|
digitalWrite(output26, LOW);
|
|
} else if (http_header.indexOf("GET /27/on") >= 0) {
|
|
//Serial.println("GPIO 27 on");
|
|
output27State = "on";
|
|
digitalWrite(output27, HIGH);
|
|
} else if (http_header.indexOf("GET /27/off") >= 0) {
|
|
//Serial.println("GPIO 27 off");
|
|
output27State = "off";
|
|
digitalWrite(output27, LOW);
|
|
}
|
|
|
|
// Display the HTML web page
|
|
client.println("<!DOCTYPE html><html>");
|
|
client.println("<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">");
|
|
client.println("<link rel=\"icon\" href=\"data:,\">");
|
|
// CSS to style the on/off buttons
|
|
// Feel free to change the background-color and font-size attributes to fit your preferences
|
|
client.println("<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}");
|
|
client.println(".button { background-color: #4CAF50; border: none; color: white; padding: 16px 40px;");
|
|
client.println("text-decoration: none; font-size: 30px; margin: 2px; cursor: pointer;}");
|
|
client.println(".button2 {background-color: #555555;}</style></head>");
|
|
|
|
// Web Page Heading
|
|
client.println("<body><h1>ESP32 Web Server</h1>");
|
|
|
|
// Display current state, and ON/OFF buttons for GPIO 26
|
|
client.println("<p>GPIO 26 - State " + output26State + "</p>");
|
|
// If the output26State is off, it displays the ON button
|
|
if (output26State == "off") {
|
|
client.println("<p><a href=\"/26/on\"><button class=\"button\">ON</button></a></p>");
|
|
} else {
|
|
client.println("<p><a href=\"/26/off\"><button class=\"button button2\">OFF</button></a></p>");
|
|
}
|
|
|
|
// Display current state, and ON/OFF buttons for GPIO 27
|
|
client.println("<p>GPIO 27 - State " + output27State + "</p>");
|
|
// If the output27State is off, it displays the ON button
|
|
if (output27State == "off") {
|
|
client.println("<p><a href=\"/27/on\"><button class=\"button\">ON</button></a></p>");
|
|
} else {
|
|
client.println("<p><a href=\"/27/off\"><button class=\"button button2\">OFF</button></a></p>");
|
|
}
|
|
client.println("</body></html>");
|
|
|
|
// The HTTP response ends with another blank line
|
|
client.println();
|
|
// Break out of the while loop
|
|
break;
|
|
} else { // if you got a newline, then clear currentLine
|
|
currentLine = "";
|
|
}
|
|
} else if (c != '\r') { // if you got anything else but a carriage return character,
|
|
currentLine += c; // add it to the end of the currentLine
|
|
}
|
|
}
|
|
}
|
|
// Clear the header variable
|
|
http_header = "";
|
|
// Close the connection
|
|
client.stop();
|
|
//Serial.println("Client disconnected.");
|
|
//Serial.println("");
|
|
}
|
|
}
|
|
|
|
unsigned char copy_DATA_pins_to_register(void) {
|
|
unsigned char retval = 0;
|
|
|
|
retval |= digitalRead(DATA_7_PIN);
|
|
retval = retval << 1;
|
|
retval |= digitalRead(DATA_8_PIN);
|
|
retval = retval << 1;
|
|
retval |= digitalRead(DATA_6_PIN);
|
|
retval = retval << 1;
|
|
retval |= digitalRead(DATA_5_PIN);
|
|
retval = retval << 1;
|
|
retval |= digitalRead(DATA_4_PIN);
|
|
retval = retval << 1;
|
|
retval |= digitalRead(DATA_3_PIN);
|
|
retval = retval << 1;
|
|
retval |= digitalRead(DATA_2_PIN);
|
|
retval = retval << 1;
|
|
retval |= digitalRead(DATA_1_PIN);
|
|
retval = retval << 1;
|
|
retval |= digitalRead(DATA_0_PIN);
|
|
|
|
return retval;
|
|
}
|
|
|
|
void loop() {
|
|
//http_check()
|
|
if (digitalRead(DEVSEL_PIN) == LOW) {
|
|
digitalWrite(ONBOARD_LED,HIGH);
|
|
data_register = copy_DATA_pins_to_register();
|
|
Serial.print("[");
|
|
Serial.print(data_register);
|
|
Serial.println("]");
|
|
} else {
|
|
digitalWrite(ONBOARD_LED,HIGH);
|
|
}
|
|
}
|