first commit

IRHacking/IRHacking.ino

@@ -0,0 +1,55 @@
+/*
+  Hacking Infrarouge
+*/
+
+// initialise la broche 2 en mode brut
+#define IRpin_PIN PIND
+#define IRpin 2
+// définit le nombre de µs maximum à utiliser pour récupérer le signal
+#define MAXPULSE 65000
+// définit la résolution
+#define RESOLUTION 20
+// définit le tableau qui contiendra les 100 impulsions
+uint16_t pulses[100][2];
+uint8_t currentpulse=0;
+
+void setup() {
+  Serial.begin(9600);
+  Serial.println("Ready to decode IR !");
+}
+
+void loop() {
+  uint16_t highpulse, lowpulse;
+  highpulse = lowpulse = 0;
+  while (IRpin_PIN & (1 << IRpin)) {
+    highpulse++;
+    delayMicroseconds(RESOLUTION);
+    if ((highpulse >= MAXPULSE) && (currentpulse != 0)) {
+      printpulses();
+      currentpulse = 0;
+      return;
+    }
+  }
+  pulses[currentpulse][0] = highpulse;
+  while (! (IRpin_PIN & _BV(IRpin))) {
+    lowpulse++;
+    delayMicroseconds(RESOLUTION);
+    if ((lowpulse >= MAXPULSE) && (currentpulse != 0)) {
+      printpulses();
+      currentpulse = 0;
+      return;
+    }
+  }
+  pulses[currentpulse][1] = lowpulse;
+  currentpulse++;
+}
+
+void printpulses(void) {
+  Serial.println("\n\r\n\rReceived:\n\rOFF \tON");
+  for (uint8_t i = 0; i < currentpulse; i++) {
+    Serial.print(pulses[i][0] * RESOLUTION, DEC);
+    Serial.print(" usec, ");
+    Serial.print(pulses[i][1] * RESOLUTION, DEC);
+    Serial.println(" usec");
+  }
+}