updated for HS05

examples/PSK31Transmit/PSK31Transmit.ino

@@ -1,13 +1,25 @@
 #include <HamShield.h>
 #include "varicode.h"
 
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
+
 DDS dds;
 
 void setup() {
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  digitalWrite(RESET_PIN, HIGH);
+  
   Serial.begin(9600);
-  pinMode(11, OUTPUT);
-  pinMode(3, OUTPUT);
-  pinMode(2, OUTPUT);
   // put your setup code here, to run once:
   dds.setReferenceClock(32000);
   dds.start();
@@ -65,7 +77,7 @@ ISR(ADC_vect) {
   if(tcnt > (255-81))
     dds.setAmplitude(amplitudeShape[(tcnt-174)/2]);
   dds.clockTick();
-  PORTD &= ~_BV(2);
+  //PORTD &= ~_BV(2);
   if(outer++ == 3) {
     outer = 0;
   } else {
@@ -89,5 +101,5 @@ ISR(ADC_vect) {
       dds.changePhaseDeg(+180);
     }
   }
-  PORTD &= ~_BV(2);
+  //PORTD &= ~_BV(2);
 }