neue Version der Leiterplatte fertiggestellt:

- jetzt mit 8 Optokoppler-Eingängen
- zusätzlich mit 8-Pin-Header für weitere Peripherie

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

.gitignore

@@ -0,0 +1 @@
+Gerber

Receiver/Receiver.ino

@@ -1,3 +1,5 @@
+// Für Controllino könnte man benutzen: sRx = 20, sTx = 21, enable = 53
+
 int sTx = 2;
 int sRx = 3;
 
@@ -13,34 +15,34 @@ String message;
 void setup(){
   pinMode(sRx,INPUT);
   pinMode(sTx,OUTPUT);
-  attachInterrupt(digitalPinToInterrupt(sRx),change,CHANGE);
+  attachInterrupt(digitalPinToInterrupt(sRx),change485,CHANGE);
   Serial.begin(115200);  
   Serial.println("Receiver ready");
 }
 
-void reset(long dif){
+void reset485(long dif){
     rcv = 0;
     idx = -1;
     message.reserve(32);
 }
-void change(){
+void change485(){
   bool bt = digitalRead(sRx);
   now = micros();
   dif = now - lt;
   lt = now;
   if (dif > rst){
-    reset(dif);
+    reset485(dif);
   } else {
-    handle(!bt,dif);
+    handle485(!bt,dif);
   }
 }
 
-void handle(boolean bt, long dif){
+void handle485(boolean bt, long dif){
   long count = dif/base;
-  for (int i=0; i<count; i++) push(bt);
+  for (int i=0; i<count; i++) push485(bt);
 }
 
-void push(boolean bt){
+void push485(boolean bt){
   if (idx>=0) rcv |= bt<<idx;
   idx++;
   

Sender/Sender.ino

@@ -8,14 +8,25 @@ int enable = 9;
 int sTx = 8;
 int sRx = 3;
 
-long base = 100;
+// Für Controllino könnte man benutzen: sRx = 20, sTx = 21, enable = 53
+
+int in1 = 4; // o
+int in2 = 5; // |o
+int in3 = 6; // ||o
+int in4 = 7; // |||o
+//              ↓↓↓↓
+int irq = 2;// ←++++
+
+long base = 1000;
 
 int id = 0;
-int baud = 19200;
+int baud = 115200;
 char c;
 int counter = 0;
+bool reg1=false,reg2=false,reg3=false,reg4=false;
 
 void setup(){
+  Serial.begin(baud);  
   pinMode(A0,INPUT);
   id = analogRead(A0);
   
@@ -24,15 +35,30 @@ void setup(){
   
   pinMode(sTx,OUTPUT);
   digitalWrite(sTx,LOW);
+
+  pinMode(in1,INPUT);
+  pinMode(in2,INPUT);
+  pinMode(in3,INPUT);
+  pinMode(in4,INPUT);
+
+  pinMode(irq,INPUT);
+  attachInterrupt(digitalPinToInterrupt(irq),interrupt,RISING);
   
   pinMode(sRx,INPUT);
-  Serial.begin(115200);  
   Serial.print("Baud rate set to ");
   Serial.println(baud);
   Serial.print("Initialized Arduino #");
   Serial.println(id);
 }
 
+void interrupt(){
+  Serial.println("Interrupt");
+  reg1 = digitalRead(in1);
+  reg2 = digitalRead(in2);
+  reg3 = digitalRead(in3);
+  reg4 = digitalRead(in4);
+  
+}
 bool sendBit(bool bt){
   digitalWrite(sTx,bt);
   delayMicroseconds(80);
@@ -83,11 +109,21 @@ bool sendString(String s){
 }
 
 void loop(){
-  counter++;
+  if (reg1){
-  String s = "Hier ist ";
+    reg1 = false;
-  s.concat(id);
+    sendString("t:02:01");
-  s+=": counter = ";
+  }
-  s.concat(counter);
+  if (reg2){
-  while (!sendString(s)) delay(10*base);
+    reg2 = false;
-  delay(id);
+    sendString("t:02:02");
+  }
+  if (reg3){
+    reg3 = false;
+    sendString("t:02:03");
+  }
+  if (reg4){
+    reg4 = false;
+    sendString("t:02:04");
+  }
+  
 }