2023-08-22 12:23:47 -05:00
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/*********
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Rui Santos
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Complete project details at https://RandomNerdTutorials.com/esp32-esp8266-input-data-html-form/
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files.
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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*********/
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// include wifi password
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#include "config.h"
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#include <Arduino.h>
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#include <WiFi.h>
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#include <AsyncTCP.h>
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#include <SPIFFS.h>
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#include <Preferences.h>
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2023-08-26 20:55:28 -05:00
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#include <arduino-timer.h>
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2023-08-29 20:24:17 -05:00
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#include <Telegraph.h>
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2023-08-30 22:04:32 -05:00
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//#include <morse.h> //arduino morse
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//#include <Morse.h> //etherkit morse
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#include <jled.h> // jled
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2023-08-30 22:10:29 -05:00
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#include "jled/morse.h" //jled
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2023-08-30 22:04:32 -05:00
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//#include "morse_effect.h" // jled
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2023-08-22 12:23:47 -05:00
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// download zip from https://github.com/me-no-dev/ESPAsyncWebServer and install.
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#include <ESPAsyncWebServer.h>
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AsyncWebServer server(80);
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// Read from config.h
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const char* ssid = WIFI_SSID;
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const char* password = WIFI_PASSWORD;
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const char* PARAM_STRING = "inputString";
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const char* PARAM_INT = "inputInt";
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const char* PARAM_FLOAT = "inputFloat";
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// HTML web page to handle 3 input fields (inputString, inputInt, inputFloat)
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const char index_html[] PROGMEM = R"rawliteral(
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<!DOCTYPE HTML><html><head>
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<title>ESP Input Form</title>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<script>
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function submitMessage() {
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<!--alert("Saved value to ESP SPIFFS");-->
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setTimeout(function(){ document.location.reload(false); }, 500);
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}
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</script></head><body>
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<form action="/get" target="hidden-form">
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inputString (current value %inputString%): <input type="text" name="inputString" value=%inputString%><br>
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<!--
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<input type="submit" value="Submit" onclick="submitMessage()">
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</form><br>
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<form action="/get" target="hidden-form">
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-->
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Seconds between flash (current value %inputInt%): <input type="number " name="inputInt" value = %inputInt%><br>
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<!--
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<input type="submit" value="Submit" onclick="submitMessage()">
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</form><br>
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<form action="/get" target="hidden-form">
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-->
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inputFloat (current value %inputFloat%): <input type="number " name="inputFloat" value = %inputFloat%><br>
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<input type="submit" value="Submit" onclick="submitMessage()">
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</form>
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<iframe style="display:none" name="hidden-form"></iframe>
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</body></html>)rawliteral";
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2023-08-22 14:13:47 -05:00
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// Auxiliary variables to store the current output state
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String output26State = "off";
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String output27State = "off";
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// Assign output variables to GPIO pins
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const int output26 = 26;
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const int output27 = 27;
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// Timers
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//auto timer = timer_create_default();
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Timer<1> timer;
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auto time_until_start = timer_create_default();
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// Example from https://github.com/contrem/arduino-timer#examples
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bool toggle_led(void *) {
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digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN)); // toggle the LED
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return true; // keep timer active? true
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}
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2023-08-26 21:08:35 -05:00
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// Toggle GPIO pin (LED or relay)
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bool toggle_gpio_26(void *) {
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if(output26State == "off"){
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output26State = "on";
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digitalWrite(output26, HIGH);
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} else {
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output26State = "off";
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digitalWrite(output26, LOW);
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}
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return true; // keep timer active? true
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}
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2023-08-26 20:55:28 -05:00
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// defaults
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// String yourInputString;
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// int yourInputInt;
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// float yourInputFloat;
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2023-08-22 12:23:47 -05:00
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void notFound(AsyncWebServerRequest *request) {
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request->send(404, "text/plain", "Not found");
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}
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String readFile(fs::FS &fs, const char * path){
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//Serial.printf("Reading file: %s\r\n", path);
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File file = fs.open(path, "r");
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if(!file || file.isDirectory()){
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Serial.println("- empty file or failed to open file");
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return String();
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}
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//Serial.println("- read from file:");
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String fileContent;
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while(file.available()){
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fileContent+=String((char)file.read());
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}
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file.close();
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//Serial.println(fileContent);
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return fileContent;
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}
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void writeFile(fs::FS &fs, const char * path, const char * message){
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Serial.printf("Writing file: %s\r\n", path);
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File file = fs.open(path, "w");
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if(!file){
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Serial.println("- failed to open file for writing");
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return;
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}
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if(file.print(message)){
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Serial.println("- file written");
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} else {
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Serial.println("- write failed");
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}
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file.close();
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}
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// Replaces placeholder with stored values
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String processor(const String& var){
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//Serial.println(var);
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if(var == "inputString"){
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return readFile(SPIFFS, "/inputString.txt");
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}
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else if(var == "inputInt"){
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return readFile(SPIFFS, "/inputInt.txt");
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}
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else if(var == "inputFloat"){
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return readFile(SPIFFS, "/inputFloat.txt");
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}
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return String();
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}
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2023-08-27 22:35:16 -05:00
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// vvvvv Modify some functions from KB1OIQ's controller.
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// This section hasn't been tested on the hardware.
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//int dit_len = 60 ; //milliseconds; https://morsecode.world/international/timing.html
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//================================================================================
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// stop_26(): set GPIO 26 to LOW. Used for dot(), dash().
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//================================================================================
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bool stop_26(void *){
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output26State = "off";
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digitalWrite(output26, LOW);
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return false; // keep timer active? true
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}
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//================================================================================
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// dit(): transmit a single dit
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//================================================================================
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void dit(int dit_len = 1000) {
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output26State = "on";
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digitalWrite(output26, HIGH);
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timer.in(dit_len, stop_26);
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}
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//================================================================================
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// dah(): transmit a single dah
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//================================================================================
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void dah(int dit_len = 1000) {
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output26State = "on";
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digitalWrite(output26, HIGH);
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timer.in(dit_len * 3, stop_26);
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}
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//================================================================================
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// char_space()): transmit a character space
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//================================================================================
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// A function that does nothing except (hopefully) block the timer.
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bool empty(void *) {
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return false;
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}
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void char_space(int dit_len = 1000) {
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timer.in(dit_len, empty);
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}
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void k(){
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Serial.println("K");
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dah();
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char_space();
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dit();
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char_space();
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dah();
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}
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// ^^^^
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2023-08-30 22:04:32 -05:00
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//telegraph
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//Telegraph telegraph(LED_BUILTIN, 10, HIGH);
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Telegraph telegraph26(output26, 10, HIGH);
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2023-08-29 20:24:17 -05:00
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2023-08-30 22:04:32 -05:00
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//arduinomorse
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//LEDMorseSender sender(LED_BUILTIN);
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2023-08-30 22:04:32 -05:00
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//Etherkit Morse
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//Morse morse(LED_BUILTIN, 15);
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2023-08-30 22:04:32 -05:00
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//jled from https://github.com/jandelgado/jled/blob/master/examples/morse/morse_effect.h
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class MorseEffect : public jled::BrightnessEvaluator {
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Morse morse_;
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// duration of a single 'dit' in ms
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const uint16_t speed_;
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public:
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explicit MorseEffect(const char* message, uint16_t speed = 200)
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: morse_(message), speed_(speed) {}
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uint8_t Eval(uint32_t t) const override {
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const auto pos = t / speed_;
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if (pos >= morse_.size()) return 0;
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return morse_.test(pos) ? 255 : 0;
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}
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uint16_t Period() const override { return (morse_.size() + 1) * speed_; }
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};
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// Speed is milliseconds per dit, which is 1000 * (60 / (50 * WPM))
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// 60 is 20 wpm, 120 is 10 wpm, 90 is 15 wpm, etc.
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// https://morsecode.world/international/timing.html
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MorseEffect morseEffect("CQ CQ CQ DE W1CDN", 120);
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auto morseLed =
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JLed(output26).UserFunc(&morseEffect).DelayAfter(2000).Forever();
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2023-08-29 20:24:17 -05:00
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2023-08-27 22:35:16 -05:00
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//================================================================================
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// setup(): stuff that only gets done once, after power up (KB1OIQ's description)
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//================================================================================
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void setup() {
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Serial.begin(115200);
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2023-08-22 14:13:47 -05:00
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2023-08-26 20:55:28 -05:00
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// Timer example, blink main LED
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pinMode(LED_BUILTIN, OUTPUT); // set LED pin to OUTPUT
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// call the toggle_led function every 10000 millis (10 second)
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//timer.every(10000, toggle_led);
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// call the toggle_gpio_26 function
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//timer.every(1000, toggle_gpio_26);
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2023-08-26 20:55:28 -05:00
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2023-08-22 14:13:47 -05:00
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// Initialize the output variables as outputs
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pinMode(output26, OUTPUT);
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pinMode(output27, OUTPUT);
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// Set outputs to LOW
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digitalWrite(output26, LOW);
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digitalWrite(output27, LOW);
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2023-08-22 12:23:47 -05:00
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// Initialize SPIFFS
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#ifdef ESP32
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if(!SPIFFS.begin(true)){
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Serial.println("An Error has occurred while mounting SPIFFS");
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return;
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}
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#else
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if(!SPIFFS.begin()){
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Serial.println("An Error has occurred while mounting SPIFFS");
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return;
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}
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#endif
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2023-08-26 20:55:28 -05:00
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// Read in existing data
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// String yourInputString = readFile(SPIFFS, "/inputString.txt");
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// int yourInputInt = readFile(SPIFFS, "/inputInt.txt").toInt();
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// float yourInputFloat = readFile(SPIFFS, "/inputFloat.txt").toFloat();
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2023-08-22 12:23:47 -05:00
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WiFi.mode(WIFI_STA);
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WiFi.begin(ssid, password);
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if (WiFi.waitForConnectResult() != WL_CONNECTED) {
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Serial.println("WiFi Failed!");
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return;
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}
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Serial.println();
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Serial.print("IP Address: ");
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Serial.println(WiFi.localIP());
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// Send web page with input fields to client
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server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
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request->send_P(200, "text/html", index_html, processor);
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});
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// Send a GET request to <ESP_IP>/get?inputString=<inputMessage>
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server.on("/get", HTTP_GET, [] (AsyncWebServerRequest *request) {
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String inputMessage;
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// GET inputString value on <ESP_IP>/get?inputString=<inputMessage>
|
|
|
|
|
if (request->hasParam(PARAM_STRING)) {
|
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|
inputMessage = request->getParam(PARAM_STRING)->value();
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|
writeFile(SPIFFS, "/inputString.txt", inputMessage.c_str());
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}
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|
// GET inputInt value on <ESP_IP>/get?inputInt=<inputMessage>
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2023-08-30 22:26:23 -05:00
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if (request->hasParam(PARAM_INT)) {
|
2023-08-22 12:23:47 -05:00
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inputMessage = request->getParam(PARAM_INT)->value();
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|
writeFile(SPIFFS, "/inputInt.txt", inputMessage.c_str());
|
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}
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|
// GET inputFloat value on <ESP_IP>/get?inputFloat=<inputMessage>
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2023-08-30 22:26:23 -05:00
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|
if (request->hasParam(PARAM_FLOAT)) {
|
2023-08-22 12:23:47 -05:00
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inputMessage = request->getParam(PARAM_FLOAT)->value();
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|
writeFile(SPIFFS, "/inputFloat.txt", inputMessage.c_str());
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}
|
2023-08-30 22:26:23 -05:00
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// else {
|
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|
// inputMessage = "No message sent";
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|
// }
|
2023-08-22 12:23:47 -05:00
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|
Serial.println(inputMessage);
|
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|
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|
request->send(200, "text/plain", inputMessage);
|
2023-08-26 20:55:28 -05:00
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|
// // Update data from files
|
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|
|
// String yourInputString = readFile(SPIFFS, "/inputString.txt");
|
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|
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|
// int yourInputInt = readFile(SPIFFS, "/inputInt.txt").toInt();
|
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|
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|
// float yourInputFloat = readFile(SPIFFS, "/inputFloat.txt").toFloat();
|
2023-08-22 12:23:47 -05:00
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|
|
});
|
|
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|
|
server.onNotFound(notFound);
|
|
|
|
|
server.begin();
|
2023-08-27 22:35:16 -05:00
|
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|
2023-08-30 22:04:32 -05:00
|
|
|
//telegraph
|
|
|
|
|
//telegraph.send("CQ CQ CQ");
|
|
|
|
|
//telegraph26.send("CQ CQ CQ DE W1CDN K");
|
|
|
|
|
|
|
|
|
|
// arduinomorse
|
|
|
|
|
// sender.setup();
|
|
|
|
|
// sender.setMessage(String("73 de kb3jcy "));
|
|
|
|
|
// sender.startSending();
|
|
|
|
|
|
|
|
|
|
|
2023-08-27 22:35:16 -05:00
|
|
|
|
2023-08-22 12:23:47 -05:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void loop() {
|
2023-08-26 20:55:28 -05:00
|
|
|
// Timers
|
2023-08-29 20:24:17 -05:00
|
|
|
time_until_start.tick();
|
|
|
|
|
timer.tick();
|
|
|
|
|
|
2023-08-30 22:04:32 -05:00
|
|
|
//arduinomorse
|
|
|
|
|
//sender.continueSending();
|
2023-08-29 20:24:17 -05:00
|
|
|
|
|
|
|
|
String yourInputString = readFile(SPIFFS, "/inputString.txt");
|
|
|
|
|
int yourInputInt = readFile(SPIFFS, "/inputInt.txt").toInt();
|
|
|
|
|
// float yourInputFloat = readFile(SPIFFS, "/inputFloat.txt").toFloat();
|
|
|
|
|
|
2023-08-30 22:04:32 -05:00
|
|
|
// if you want to send code, and it's not sending, then start it up
|
2023-08-30 22:26:23 -05:00
|
|
|
if((yourInputInt != 0) & (morseLed.IsRunning() == false)){
|
2023-08-30 22:04:32 -05:00
|
|
|
//jled
|
|
|
|
|
morseLed.Reset().Update();
|
|
|
|
|
//morse.send("CQ CQ CQ DE W1CDN K"); //etherkit morse
|
|
|
|
|
//telegraph26.send("CQ CQ CQ DE W1CDN K"); //telegraph
|
2023-08-30 22:10:29 -05:00
|
|
|
|
2023-08-30 22:04:32 -05:00
|
|
|
// if you want to send code, and it is sending, keep sending
|
2023-08-30 22:26:23 -05:00
|
|
|
} else if((yourInputInt != 0) & (morseLed.IsRunning() == true)){
|
2023-08-30 22:04:32 -05:00
|
|
|
morseLed.Update();
|
|
|
|
|
// if you don't want to send code
|
|
|
|
|
} else {
|
|
|
|
|
// stop sending and make sure the pin is off
|
|
|
|
|
morseLed.Stop(JLed::eStopMode::FULL_OFF).Update();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2023-08-29 20:24:17 -05:00
|
|
|
// Blink LED according to seconds entered
|
|
|
|
|
// if (yourInputInt > 0) {
|
|
|
|
|
// Serial.println("GPIO 26 on");
|
|
|
|
|
// output26State = "on";
|
|
|
|
|
// digitalWrite(output26, HIGH);
|
|
|
|
|
// delay(yourInputInt * 1000);
|
|
|
|
|
// Serial.println(yourInputInt);
|
|
|
|
|
// Serial.println("GPIO 26 off");
|
|
|
|
|
// output26State = "off";
|
|
|
|
|
// digitalWrite(output26, LOW);
|
|
|
|
|
// delay(yourInputInt * 1000);
|
|
|
|
|
// } else {
|
|
|
|
|
// output26State = "off";
|
|
|
|
|
// }
|
|
|
|
|
|
|
|
|
|
|
2023-08-22 12:23:47 -05:00
|
|
|
// // 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);
|
|
|
|
|
}
|
