alarrosa14 · May 31, 2016 01:11 · Mar 16, 2016
diff --git a/Meter.ino b/Meter.ino
@@ -0,0 +1,118 @@
+#include "Arduino.h"
+
+// Include API-Headers
+extern "C" {
+#include "ets_sys.h"
+#include "os_type.h"
+#include "osapi.h"
+#include "mem.h"
+#include "user_interface.h"
+#include "cont.h"
+}
+
+#define DEVICE_QTY (2)
+#define tandaInterval (500000)
+#define MAXINT (2147483647)
+
+unsigned long interruptionMoments[DEVICE_QTY];
+unsigned long toPrint[DEVICE_QTY];
+bool hasToPrint = false;
+int cagada = 0;
+int interruptionQty = 0;
+unsigned long tandaTime;
+unsigned long currentInterruptTime = 0;
+
+
+void interruptionCommon(int deviceId){
+    currentInterruptTime = micros();
+
+    if (interruptionQty == 0) {
+        tandaTime = currentInterruptTime + tandaInterval;
+    }
+
+    if (currentInterruptTime > tandaTime) {
+        cagada = interruptionQty;
+        for (int i=0; i<DEVICE_QTY; i++)
+            toPrint[i] = interruptionMoments[i];
+        hasToPrint = true;
+        tandaTime = currentInterruptTime + tandaInterval;
+        interruptionQty = 0;
+    }
+
+    interruptionMoments[deviceId] = currentInterruptTime;
+    interruptionQty++;           
+}
+
+#define MAPPER_LENGTH (sizeof(mapper)/sizeof(mapper[0]))
+/* D1, D2, D3, D4, D5, D6, D7, D8 */
+//int mapper[] = {5, 4, 0, 2, 14, 12, 13, 15};
+int mapper[] = {5, 0, 2, 14, 12, 13, 15, 4};
+
+#define INTERRUPT_NAME(n) d ## n ## _interrupt
+#define INTERRUPT_D(n)\
+void d ## n ## _interrupt(){\
+  interruptionCommon(n-1);\
+};
+
+INTERRUPT_D(1);
+INTERRUPT_D(2);
+INTERRUPT_D(3);
+INTERRUPT_D(4);
+INTERRUPT_D(5);
+INTERRUPT_D(6);
+INTERRUPT_D(7);
+INTERRUPT_D(8);
+
+int getMaximumDistanceBetweenTimes(){
+    long max = 0;
+    for(int i = 0; i < DEVICE_QTY; i++)
+        for(int j = i+1; j < DEVICE_QTY; j++){
+            long distance = toPrint[i] - toPrint[j];
+            if (abs(distance) > abs(max))
+                max = distance;
+        }
+    return max;
+}
+
+#define MODE CHANGE
+
+void setup(){
+  Serial.begin(9600);
+  while (!Serial){};
+
+  Serial.printf("Hello World! %i devices\n", DEVICE_QTY);
+  if (DEVICE_QTY > MAPPER_LENGTH){
+      Serial.printf("ERROR: update mapper!\n");
+  }else{
+
+    /* initialize pins */
+    for(int i = 0; i < DEVICE_QTY; i++) {
+      pinMode(mapper[i], INPUT);
+    }
+
+    /* create interruption handler for each device */
+    attachInterrupt(digitalPinToInterrupt(mapper[0]), INTERRUPT_NAME(1), MODE);
+    attachInterrupt(digitalPinToInterrupt(mapper[1]), INTERRUPT_NAME(2), MODE);
+    attachInterrupt(digitalPinToInterrupt(mapper[2]), INTERRUPT_NAME(3), MODE);
+    attachInterrupt(digitalPinToInterrupt(mapper[3]), INTERRUPT_NAME(4), MODE);
+    attachInterrupt(digitalPinToInterrupt(mapper[4]), INTERRUPT_NAME(5), MODE);
+    attachInterrupt(digitalPinToInterrupt(mapper[5]), INTERRUPT_NAME(6), MODE);
+    attachInterrupt(digitalPinToInterrupt(mapper[6]), INTERRUPT_NAME(7), MODE);
+    attachInterrupt(digitalPinToInterrupt(mapper[7]), INTERRUPT_NAME(8), MODE);
+
+  }  
+}
+
+void loop() {
+
+  if (hasToPrint) {
+//      if (!cagada){
+          for(int i = 0; i < DEVICE_QTY; i++){
+              Serial.printf("%i\t", toPrint[i]);
+          }    
+          Serial.printf("%i\t%i\n", getMaximumDistanceBetweenTimes(), cagada);
+//      }
+      hasToPrint = false;
+  }
+
+}