added stepper status message

While running, each stepper sends a message with
currentPosition, targetPosition, currentSpeed, maxSpeed
Status message can be asked through OSC with message
"/stepper/getStatus"

C_Vieille_OSCstepperCtl.ino

@@ -14,7 +14,8 @@ void setup() {
 }
 
 void loop() {
-  handleOSCIn();
+  
   update_steppers();
+  handleOSCIn();
  // steppers.run();
 }

osc.h

@@ -13,6 +13,7 @@ SLIPEncodedUSBSerial SLIPSerial( thisBoardsSerialUSB );
  SLIPEncodedSerial SLIPSerial(Serial);
 #endif
 
+bool update_stepper_status[NUM_OF_STEPPERS];
 
 ////  UTILITIES ///////// 
 
@@ -80,6 +81,26 @@ void currentPos_Stepper_OSC(OSCMessage &msg) {
   sendOSC("/stepper/currentPos", steppers[msg.getInt(0)].currentPosition());
 }
 
+void status_Stepper_OSC(int stepper_index) {
+  OSCMessage OSCmsg("/stepper/status");
+  OSCmsg.add(stepper_index);  
+  OSCmsg.add(steppers[stepper_index].currentPosition());
+  OSCmsg.add(steppers[stepper_index].targetPosition());
+  OSCmsg.add(steppers[stepper_index].speed());
+  OSCmsg.add(steppers[stepper_index].maxSpeed());
+  SLIPSerial.beginPacket(); 
+  //Udp.beginPacket(outIp, outPort);
+  OSCmsg.send(SLIPSerial); // send the bytes to the SLIP stream
+//  OSCmsg.send(Udp); // send the bytes to the SLIP stream
+  SLIPSerial.endPacket();
+  //Udp.endPacket(); // mark the end of the OSC Packet
+  OSCmsg.empty(); // free space occupied by message
+}
+
+void getStatus_stepper_OSC(OSCMessage &msg) {
+  status_Stepper_OSC(msg.getInt(0)) ;
+}
+
 
 //////  OSC DECLARATIONS  /////////
 
@@ -95,6 +116,16 @@ void setup_OSC(){
 
 void handleOSCIn() {
 
+  //send stepper status while it is running
+  for(int i ; i < NUM_OF_STEPPERS ; i++ ) {
+    if (update_stepper_status[i]) {
+      status_Stepper_OSC(i)   ; 
+    }
+    if (!steppers[i].isRunning()) { update_stepper_status[i] = 0 ;}
+    else update_stepper_status[i] = 1 ;
+  }
+
+
 
   //define OSC message to function relationships
   OSCMessage OSCin;
@@ -116,6 +147,7 @@ void handleOSCIn() {
 
 //      //STEPPER CONTROL
 //      OSCin.dispatch("/stepper/init", init_Stepper_OSC);
+    OSCin.dispatch("/stepper/status", getStatus_stepper_OSC);
     OSCin.dispatch("/stepper/currentPos", currentPos_Stepper_OSC);  
     OSCin.dispatch("/stepper/moveTo", moveTo_Stepper_OSC);
     OSCin.dispatch("/stepper/move", move_Stepper_OSC);