Entrpellung implementiert – noch nicht getestet

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

Software/Sender/Sender.ino

@@ -17,7 +17,7 @@
 #define Max485_DE 8 // data enable of Max485
 #define Max485_DI 9 // data input of Max485
 
-#define TRESHOLD 200000 // 200ms
+#define TRESHOLD 100
 #define ID 0
 // 0=Test
 // 1=Arbeitszimmer
@@ -26,13 +26,21 @@
 
 //#define LOG_TO_SERIAL
 #define SEND_485
+#define DEBUG
 
+boolean raw_states[8];
 boolean states[8];
+unsigned long capacitor[8];
 unsigned long times[8];
 
 
 
 void setup(){
+  for (int i=0; i<8;i++) {
+    capacitor[i] = 0;
+    raw_states[i] = LOW;
+    states[i] = LOW;
+  }
   Serial.begin(115200);
   init485(Max485_RO,Max485_RE,Max485_DE,Max485_DI); // library initialization:
   pinMode(BTN_INT,INPUT_PULLUP);
@@ -54,26 +62,26 @@ void setup(){
 }
 
 void isr(){
-  states[0] = !digitalRead(14);
-  states[1] = !digitalRead(15);
-  states[2] = !digitalRead(16);
-  states[3] = !digitalRead(17);
-
-  states[4] = !digitalRead(18);
-  states[5] = !digitalRead(19);
-  states[6] = !(analogRead(20)>200);
-  states[7] = !(analogRead(21)>200);
+  raw_states[0] = !digitalRead(14);
+  raw_states[1] = !digitalRead(15);
+  raw_states[2] = !digitalRead(16);
+  raw_states[3] = !digitalRead(17);
+
+  raw_states[4] = !digitalRead(18);
+  raw_states[5] = !digitalRead(19);
+  raw_states[6] = !(analogRead(20)>400);
+  raw_states[7] = !(analogRead(21)>400);
 #ifdef LOG_TO_SERIAL
   for (int i=0;i<8;i++){
-    Serial.print(" "); Serial.print(states[i]); Serial.print(" ");
+    Serial.print(" "); Serial.print(raw_states[i]); Serial.print(" ");
   }
   Serial.println();
 #endif
 }
 
 #ifdef SEND_485
-void send(int btn){
-  String s = "{nano:"+String(ID)+",btn:"+String(btn)+"}";
+void send(int btn, long duration){
+  String s = "{nano:"+String(ID)+",btn:"+String(btn)+",dura:"+String(duration)+"}";
   for (int i = 0; i<10; i++){
     if (send485(s.c_str())) break;
     Serial.println("collision detected, trying again:");
@@ -85,18 +93,31 @@ void loop(){
   unsigned long now = micros();
   boolean pause = true;
   for (int i=0;i<8;i++){
-    if (states[i]){
-      if (pause){
-        delay(5);
-        pause=false;
-      }
-      if (now - times[i] > TRESHOLD){
+    // we emulate a capacitor:
+    // when the button is pressed, it slowly loads, if the button is released, it unloads.
+    capacitor[i] = raw_states[i] ? capacitor[i]+1 : capacitor[i]>>1;
+
+#ifdef DEBUG
+    if (capacitor[i]) {
+      Serial.print("cap "); Serial.print(i); Serial.print(": "); Serial.println(capacitor[i]);
+    }
+#endif    
+
+    // if the capacitor reaches a certain treshold, the state is changed
+    boolean new_state = capacitor[i]>TRESHOLD;
+
+    // TODO: drop state after a maximum HIGH time
+
+    // when the state changes, the duration of the last state is calculated
+    if (states[i] != new_state){      
+      long diff = now - times[i];
+      times[i] = now;
 #ifdef SEND_485
-        send(i+1);
-#endif
-        times[i] = now;
+      if (states[i]){ // old state was HIGH → we are going LOW
+        send(i+1,diff);
       }
-      states[i] = 0;
+#endif      
+      states[i] = new_state;
     }
   }
 }