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mattbk 2023-09-25 22:02:03 -05:00
parent 5e3503b497
commit 4e797b9281
14 changed files with 39 additions and 519 deletions
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0
vulpes/.gitignore → .gitignore vendored
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183
esp32-webserver-form/esp32-webserver-form.ino
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/*********
Rui Santos
Complete project details at https://RandomNerdTutorials.com/esp32-esp8266-input-data-html-form/
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files.
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
*********/
// include wifi password
#include "config.h"
#include <Arduino.h>
#include <WiFi.h>
#include <AsyncTCP.h>
#include <SPIFFS.h>
#include <Preferences.h>
// download zip from https://github.com/me-no-dev/ESPAsyncWebServer and install.
#include <ESPAsyncWebServer.h>
AsyncWebServer server(80);
// Read from config.h
const char* ssid = WIFI_SSID;
const char* password = WIFI_PASSWORD;
const char* PARAM_STRING = "inputString";
const char* PARAM_INT = "inputInt";
const char* PARAM_FLOAT = "inputFloat";
// HTML web page to handle 3 input fields (inputString, inputInt, inputFloat)
const char index_html[] PROGMEM = R"rawliteral(
<!DOCTYPE HTML><html><head>
<title>ESP Input Form</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<!--<script>
function submitMessage() {
alert("Saved value to ESP SPIFFS");
setTimeout(function(){ document.location.reload(false); }, 500);
}
</script>-->
</head><body>
<form action="/get">
inputString (current value %inputString%): <input type="text" name="inputString">
<!--<input type="submit" value="Submit" ">
</form>--><br>
<!--<form action="/get" target="hidden-form">-->
inputInt (current value %inputInt%): <input type="number " name="inputInt">
<!--<input type="submit" value="Submit" ">
</form>--><br>
<!--<form action="/get" target="hidden-form">-->
inputFloat (current value %inputFloat%): <input type="number " name="inputFloat">
<input type="submit" value="Submit" ">
</form>
<!--<iframe style="display:none" name="hidden-form"></iframe>-->
</body></html>)rawliteral";
void notFound(AsyncWebServerRequest *request) {
request->send(404, "text/plain", "Not found");
}
String readFile(fs::FS &fs, const char * path){
Serial.printf("Reading file: %s\r\n", path);
File file = fs.open(path, "r");
if(!file || file.isDirectory()){
Serial.println("- empty file or failed to open file");
return String();
}
Serial.println("- read from file:");
String fileContent;
while(file.available()){
fileContent+=String((char)file.read());
}
file.close();
Serial.println(fileContent);
return fileContent;
}
void writeFile(fs::FS &fs, const char * path, const char * message){
Serial.printf("Writing file: %s\r\n", path);
File file = fs.open(path, "w");
if(!file){
Serial.println("- failed to open file for writing");
return;
}
if(file.print(message)){
Serial.println("- file written");
} else {
Serial.println("- write failed");
}
file.close();
}
// Replaces placeholder with stored values
String processor(const String& var){
//Serial.println(var);
if(var == "inputString"){
return readFile(SPIFFS, "/inputString.txt");
}
else if(var == "inputInt"){
return readFile(SPIFFS, "/inputInt.txt");
}
else if(var == "inputFloat"){
return readFile(SPIFFS, "/inputFloat.txt");
}
return String();
}
void setup() {
Serial.begin(115200);
// Initialize SPIFFS
#ifdef ESP32
if(!SPIFFS.begin(true)){
Serial.println("An Error has occurred while mounting SPIFFS");
return;
}
#else
if(!SPIFFS.begin()){
Serial.println("An Error has occurred while mounting SPIFFS");
return;
}
#endif
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
if (WiFi.waitForConnectResult() != WL_CONNECTED) {
Serial.println("WiFi Failed!");
return;
}
Serial.println();
Serial.print("IP Address: ");
Serial.println(WiFi.localIP());
// Send web page with input fields to client
server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
request->send_P(200, "text/html", index_html, processor);
});
// Send a GET request to <ESP_IP>/get?inputString=<inputMessage>
server.on("/get", HTTP_GET, [] (AsyncWebServerRequest *request) {
String inputMessage;
// GET inputString value on <ESP_IP>/get?inputString=<inputMessage>
if (request->hasParam(PARAM_STRING)) {
inputMessage = request->getParam(PARAM_STRING)->value();
writeFile(SPIFFS, "/inputString.txt", inputMessage.c_str());
}
// GET inputInt value on <ESP_IP>/get?inputInt=<inputMessage>
else if (request->hasParam(PARAM_INT)) {
inputMessage = request->getParam(PARAM_INT)->value();
writeFile(SPIFFS, "/inputInt.txt", inputMessage.c_str());
}
// GET inputFloat value on <ESP_IP>/get?inputFloat=<inputMessage>
else if (request->hasParam(PARAM_FLOAT)) {
inputMessage = request->getParam(PARAM_FLOAT)->value();
writeFile(SPIFFS, "/inputFloat.txt", inputMessage.c_str());
}
else {
inputMessage = "No message sent";
}
Serial.println(inputMessage);
request->send(200, "text/text", inputMessage);
});
server.onNotFound(notFound);
server.begin();
}
void loop() {
// To access your stored values on inputString, inputInt, inputFloat
String yourInputString = readFile(SPIFFS, "/inputString.txt");
Serial.print("*** Your inputString: ");
Serial.println(yourInputString);
int yourInputInt = readFile(SPIFFS, "/inputInt.txt").toInt();
Serial.print("*** Your inputInt: ");
Serial.println(yourInputInt);
float yourInputFloat = readFile(SPIFFS, "/inputFloat.txt").toFloat();
Serial.print("*** Your inputFloat: ");
Serial.println(yourInputFloat);
delay(5000);
}

169
esp32-webserver-prefs/esp32-webserver-prefs.ino
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/*********
Rui Santos
Complete project details at https://randomnerdtutorials.com
*********/
// include wifi password
#include "config.h"
// Load Wi-Fi library
#include <WiFi.h>
// Load Preferences library
#include <Preferences.h>
// Define preferences instance
Preferences prefs;
// Open up preferences with defined namespace
prefs.begin("vulpes", false);
// Replace with your network credentials
const char* ssid = WIFI_SSID;
const char* password = WIFI_PASSWORD;
// Set web server port number to 80
WiFiServer server(80);
// Variable to store the HTTP request
String header;
// 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;
// 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);
// Initialize the output variables as outputs
pinMode(output26, OUTPUT);
pinMode(output27, OUTPUT);
// Set outputs to LOW
digitalWrite(output26, LOW);
digitalWrite(output27, LOW);
preferences.putString("ssid", ssid);
preferences.putString("password", password);
Serial.println("Network Credentials Saved using Preferences");
preferences.end();
// 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 loop(){
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
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 (header.indexOf("GET /26/on") >= 0) {
Serial.println("GPIO 26 on");
output26State = "on";
digitalWrite(output26, HIGH);
} else if (header.indexOf("GET /26/off") >= 0) {
Serial.println("GPIO 26 off");
output26State = "off";
digitalWrite(output26, LOW);
} else if (header.indexOf("GET /27/on") >= 0) {
Serial.println("GPIO 27 on");
output27State = "on";
digitalWrite(output27, HIGH);
} else if (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
header = "";
// Close the connection
client.stop();
Serial.println("Client disconnected.");
Serial.println("");
}
}

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esp32-webserver/esp32-webserver.ino
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/*********
Rui Santos
Complete project details at https://randomnerdtutorials.com
*********/
// include wifi password
#include "config.h"
// Load Wi-Fi library
#include <WiFi.h>
// Replace with your network credentials
const char* ssid = WIFI_SSID;
const char* password = WIFI_PASSWORD;
// Set web server port number to 80
WiFiServer server(80);
// Variable to store the HTTP request
String header;
// 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;
// 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);
// Initialize the output variables as outputs
pinMode(output26, OUTPUT);
pinMode(output27, OUTPUT);
// Set outputs to LOW
digitalWrite(output26, LOW);
digitalWrite(output27, LOW);
// 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 loop(){
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
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 (header.indexOf("GET /26/on") >= 0) {
Serial.println("GPIO 26 on");
output26State = "on";
digitalWrite(output26, HIGH);
} else if (header.indexOf("GET /26/off") >= 0) {
Serial.println("GPIO 26 off");
output26State = "off";
digitalWrite(output26, LOW);
} else if (header.indexOf("GET /27/on") >= 0) {
Serial.println("GPIO 27 on");
output27State = "on";
digitalWrite(output27, HIGH);
} else if (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
header = "";
// Close the connection
client.stop();
Serial.println("Client disconnected.");
Serial.println("");
}
}

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vulpes/include/README → include/README
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vulpes/lib/README → lib/README
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vulpes/platformio.ini → platformio.ini
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vulpes/src/config.h.default → src/config.h.default
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vulpes/src/main.cpp → src/main.cpp
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vulpes/src/morse.cpp → src/morse.cpp
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vulpes/src/morse.h → src/morse.h
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test.html Normal file
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<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<style>
.inv {
display: none;
}
</style>
<body>
<select id="target">
<option value="">Select...</option>
<option value="content_1">Option 1</option>
<option value="content_2">Option 2</option>
<option value="content_3">Option 3</option>
<select>
<div id="content_1" class="inv">Content 1</div>
<div id="content_2" class="inv">Content 2</div>
<div id="content_3" class="inv">Content 3</div>
<script>
document
.getElementById('target')
.addEventListener('change', function () {
'use strict';
var vis = document.querySelector('.vis'),
target = document.getElementById(this.value);
if (vis !== null) {
vis.className = 'inv';
}
if (target !== null ) {
target.className = 'vis';
}
});
</script>
</body>
</html>

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vulpes/test/README → test/README
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vulpes/.vscode/extensions.json vendored
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{
// See http://go.microsoft.com/fwlink/?LinkId=827846
// for the documentation about the extensions.json format
"recommendations": [
"platformio.platformio-ide"
],
"unwantedRecommendations": [
"ms-vscode.cpptools-extension-pack"
]
}