Chirpstack + ham radio update

Chirpstack database backup and ham radio CW Arduino keyer added

Ham Radio/CW_Keyer_PA3HCM_rotary_encoder_OLED/CW_Keyer_PA3HCM_rotary_encoder_OLED.ino

@@ -0,0 +1,101 @@
+// Simple Iambic Keyer v1.00
+// by Ernest PA3HCM
+// Reinier AI6CT added rotary encoder and OLED WPM indication
+
+#include <Encoder.h>
+#include "SSD1306Ascii.h"
+#include "SSD1306AsciiAvrI2c.h"
+
+#define I2C_ADDRESS 0x3C\
+//#define RST_PIN -1
+SSD1306AsciiAvrI2c oled;
+
+Encoder myEnc(2, 3);
+
+#define P_DOT    5   // Connects to the dot lever of the paddle
+#define P_DASH   6   // Connects to the dash lever of the paddle
+#define P_AUDIO 12   // Audio output
+#define P_CW    13   // Output of the keyer, connect to your radio
+#define P_SPEED A0   // Attached to center pin of potmeter, allows you
+                     // to set the keying speed.
+
+int oldPosition  = -999;
+float speed;
+
+// Initializing the Arduino
+void setup()
+{
+  Serial.begin(9600);
+
+  pinMode(P_DOT, INPUT_PULLUP);
+  pinMode(P_DASH, INPUT_PULLUP); 
+  pinMode(P_AUDIO, OUTPUT);
+  pinMode(P_CW, OUTPUT);
+  digitalWrite(P_CW, LOW);      // Start with key up
+
+  oled.begin(&Adafruit128x32, I2C_ADDRESS);
+
+  oled.setFont(Adafruit5x7);
+
+}
+
+// Main routine
+void loop()
+{
+    uint32_t m = micros(); 
+
+   speed = myEnc.read()+60;
+   if (speed != oldPosition) {
+    oldPosition = speed;
+   // Serial.print("WPM: ");
+   // Serial.println(1200/speed,1);
+
+    oled.clear();
+
+
+  // first row
+  oled.setCursor (0,0);
+  oled.set1X();
+  oled.println("AI6CT morse keyer");
+
+  // second row
+  //oled.setCursor (0,1);
+  //oled.set1X();
+  //oled.println(" ");
+
+      // third row
+  oled.setCursor (0,2);
+  oled.set2X();
+  oled.print(1200/speed,1);
+  oled.print(" WPM    ");
+  oled.print(micros() - m);
+
+
+   }
+
+ // speed = analogRead(P_SPEED)/2; // Read the keying speed from potmeter
+  if(!digitalRead(P_DOT))        // If the dot lever is presssed..
+  {
+    tone(P_AUDIO,800);
+    keyAndBeep(speed);           // ... send a dot at the given speed
+    noTone(P_AUDIO);
+    delay(speed);                //     and wait before sending next
+  }
+  if(!digitalRead(P_DASH))       // If the dash lever is pressed...
+  {
+    tone(P_AUDIO,800);
+    keyAndBeep(speed*3);         // ... send a dash at the given speed
+    noTone(P_AUDIO);
+    delay(speed);                //     and wait before sending next
+  }
+}
+
+// Key the transmitter and sound a beep
+void keyAndBeep(int speed)
+{
+  digitalWrite(P_CW, HIGH);            // Key down
+  //tone (P_AUDIO,800);
+  delay (speed);
+ // noTone(P_AUDIO);
+  digitalWrite(P_CW, LOW);             // Key up
+}