add new encoders' controller

LibSidServo/sidservo.h

@@ -42,8 +42,11 @@ typedef struct{
     int     MountDevSpeed;      // serial speed
     char*   EncoderDevPath;     // path to encoder device
     int     EncoderDevSpeed;    // serial speed
-    int     SepEncoder;         // ==1 if encoder works as separate serial device
-    double  MountReqInterval;   // maximal interval between subsequent mount requests (seconds)
+    int     SepEncoder;         // ==1 if encoder works as separate serial device, ==2 if there's new version with two devices
+    char*   EncoderXDevPath;    // paths to new controller devices
+    char*   EncoderYDevPath;
+    double  MountReqInterval;   // interval between subsequent mount requests (seconds)
+    double  EncoderReqInterval; // interval between subsequent encoder requests (seconds)
     ;
 } conf_t;