Snapshot.

vulpes/src/main.cpp

@@ -66,7 +66,8 @@ const int output26 = 26;
 const int output27 = 27;
 
 // Timers
-auto timer = timer_create_default();
+//auto timer = timer_create_default();
+Timer<1> timer;
 auto time_until_start = timer_create_default();
 
 // Example from https://github.com/contrem/arduino-timer#examples
@@ -143,15 +144,74 @@ String processor(const String& var){
   return String();
 }
 
+// vvvvv Modify some functions from KB1OIQ's controller.
+// This section hasn't been tested on the hardware.
+
+//int dit_len = 60 ; //milliseconds; https://morsecode.world/international/timing.html
+
+//================================================================================
+// stop_26(): set GPIO 26 to LOW. Used for dot(), dash().
+//================================================================================
+bool stop_26(void *){
+  output26State = "off";
+  digitalWrite(output26, LOW);
+  return false; // keep timer active? true
+}
+
+//================================================================================
+// dit(): transmit a single dit
+//================================================================================
+void dit(int dit_len = 1000) {
+  output26State = "on";
+  digitalWrite(output26, HIGH);
+  timer.in(dit_len, stop_26);
+}
+
+//================================================================================
+// dah(): transmit a single dah
+//================================================================================
+void dah(int dit_len = 1000) {
+  output26State = "on";
+  digitalWrite(output26, HIGH);
+  timer.in(dit_len * 3, stop_26);
+}
+
+//================================================================================
+// char_space()): transmit a character space
+//================================================================================
+// A function that does nothing except (hopefully) block the timer.
+bool empty(void *) {
+    return false;
+  }
+
+void char_space(int dit_len = 1000) {
+  
+  timer.in(dit_len, empty);
+}
+
+void k(){
+  Serial.println("K");
+  dah();
+  char_space();
+  dit();
+  char_space();
+  dah();
+}
+
+// ^^^^
+
+//================================================================================
+// setup(): stuff that only gets done once, after power up (KB1OIQ's description)
+//================================================================================
 void setup() {
   Serial.begin(115200);
 
   // Timer example, blink main LED
   pinMode(LED_BUILTIN, OUTPUT); // set LED pin to OUTPUT
   // call the toggle_led function every 10000 millis (10 second)
-  timer.every(10000, toggle_led);
+  //timer.every(10000, toggle_led);
   // call the toggle_gpio_26 function 
-  timer.every(1000, toggle_gpio_26);
+  //timer.every(1000, toggle_gpio_26);
 
   // Initialize the output variables as outputs
   pinMode(output26, OUTPUT);
@@ -224,6 +284,11 @@ void setup() {
   });
   server.onNotFound(notFound);
   server.begin();
+
+
+  // Try to send "K" on startup? What about spaces? Don't use delay();
+  k();
+
 }
 
 void loop() {
@@ -232,8 +297,8 @@ void loop() {
     timer.tick();
 
     String yourInputString = readFile(SPIFFS, "/inputString.txt");
-    int yourInputInt = readFile(SPIFFS, "/inputInt.txt").toInt();
-    float yourInputFloat = readFile(SPIFFS, "/inputFloat.txt").toFloat();
+    // int yourInputInt = readFile(SPIFFS, "/inputInt.txt").toInt();
+    // float yourInputFloat = readFile(SPIFFS, "/inputFloat.txt").toFloat();
 
     // Blink LED according to seconds entered
     // if (yourInputInt > 0) {