1 files changed, 23 insertions, 25 deletions
diff --git a/trasmitter/sender.ino b/trasmitter/sender.ino
index 937d065..9373875 100644
--- a/trasmitter/sender.ino
+++ b/trasmitter/sender.ino
@@ -1,50 +1,48 @@
+const uint16_t pulseScale = 520; // usec per sample unit
+
+// alternate HIGH and LOW, first one of each array is HIGH
 const uint8_t prologue[] = {
-  2, 2, 2, 2, 2, 2, 4,
-  2, 4, 2, 2, 3, 2, 2,
-  3, 2, 2, 2, 2, 2,
+  1,1, 1,1, 1,1, 1,1, 1,1, 1,1,
+  2,3, 1,1, 2,2, 1,1, 1,1, 2,1,
+  1,1, 1,1, 1,2, 1,1, 1,1, 1,1,
+  1,1, 1,1,
 };
-const uint8_t prologueSize = sizeof(prologue) / sizeof(uint8_t);
+const size_t prologueSize = sizeof(prologue) / sizeof(uint8_t);
+
 const uint8_t epilogue[] = {
-  3, 4, 3,
+  1,2, 2,2, 1,3, // the last value doesn't much matter
 };
-const uint8_t epilogueSize = sizeof(epilogue) / sizeof(uint8_t);
+const size_t epilogueSize = sizeof(epilogue) / sizeof(uint8_t);
 
 const uint8_t onSignal[] = {
-  4, 2, 2, 2, 2, 3, 2,
+  2,2, 1,1, 1,1, 1,1, 1,1, 2,1, 1,1,
 };
-const uint8_t onSize = sizeof(onSignal) / sizeof(uint8_t);
+const size_t onSize = sizeof(onSignal) / sizeof(uint8_t);
 
 const uint8_t offSignal[] = {
-  2, 2, 2, 2, 2, 4, 3,
+  1,1, 1,1, 1,1, 1,1, 1,1, 2,2, 2,1,
 };
-const uint8_t offSize = sizeof(offSignal) / sizeof(uint8_t);
-
-const int pulseScale = 260; // usec per sample unit
+const size_t offSize = sizeof(offSignal) / sizeof(uint8_t);
 
 const int nTxPin = 7; // Arduino digital pin you're using for radio data.
 
-void transmitArray(const uint8_t pulses[], uint8_t pulseCount) {
-  for(int pulse = 0; pulse < pulseCount; ++pulse) {
-    int pulseWidth = pulses[pulse];
+void transmitArray(const uint8_t pulses[], size_t pulseCount) {
+  for(size_t idx = 0; idx < pulseCount; idx+=2) {
+    digitalWrite(nTxPin, HIGH);
+    delayMicroseconds(pulseScale*pulses[idx]);
 
-    if (pulseWidth>0) {
-      digitalWrite(nTxPin, HIGH);
-      delayMicroseconds(pulseScale*pulseWidth);
-    }
-    else {
-      digitalWrite(nTxPin, LOW);
-      delayMicroseconds(pulseScale*(-pulseWidth));
-    }
+    digitalWrite(nTxPin, LOW);
+    delayMicroseconds(pulseScale*pulses[idx+1]);
   }
 }
 
-void transmitSignal(const uint8_t signal[], uint8_t signalSize) {
+void transmitSignal(const uint8_t signal[], size_t signalSize) {
   transmitArray(prologue,prologueSize);
   transmitArray(signal,signalSize);
   transmitArray(epilogue,epilogueSize);
 }
 
-void sendTrain(const uint8_t signal[], uint8_t signalSize) {
+void sendTrain(const uint8_t signal[], size_t signalSize) {
   transmitSignal(signal,signalSize);
   delay(1000);
   transmitSignal(signal,signalSize);