Merge pull request #363 from XPila/MK3

Mk3

Firmware/Configuration.h

@@ -9,9 +9,9 @@
 
 // Firmware version
 #define FW_version "3.1.1-RC4"
-#define FW_build   142
+#define FW_build   143
 //#define FW_build   --BUILD-NUMBER--
-#define FW_version_build FW_version " b" STR(FW_build)
+#define FW_version_build FW_version " b" STR(FW_build) "a"
 
 
 #define FW_PRUSA3D_MAGIC "PRUSA3DFW"

Firmware/stepper.cpp

@@ -662,9 +662,9 @@ void isr() {
 	}
 
     for(uint8_t i=0; i < step_loops; i++) { // Take multiple steps per interrupt (For high speed moves)
- /*     #ifndef AT90USB
+      #ifndef AT90USB
       MSerial.checkRx(); // Check for serial chars.
-      #endif*/ //RP - removed
+      #endif //RP - returned, because missing characters
 
 #ifdef LIN_ADVANCE
         counter_e += current_block->steps_e;