Support for ZRIB v2.0 Control Board

Marlin/boards.h

@@ -95,6 +95,7 @@
 #define BOARD_BAM_DICE          401  // 2PrintBeta BAM&DICE with STK drivers
 #define BOARD_BAM_DICE_DUE      402  // 2PrintBeta BAM&DICE Due with STK drivers
 #define BOARD_BQ_ZUM_MEGA_3D    503  // bq ZUM Mega 3D
+#define BOARD_ZRIB_V20          504  // zrib V2.0 control board (Chinese knock off RAMPS replica) 
 
 #define MB(board) (MOTHERBOARD==BOARD_##board)
 

Marlin/pins.h

@@ -174,6 +174,8 @@
   #include "pins_MKS_13.h"
 #elif MB(SAINSMART_2IN1)
   #include "pins_SAINSMART_2IN1.h"
+#elif MB(ZRIB_V20)
+  #include "pins_ZRIB_V20.h"
 #else
   #error "Unknown MOTHERBOARD value set in Configuration.h"
 #endif

Marlin/pins_RAMPS.h

@@ -196,8 +196,9 @@
 #define SDSS               53
 #define LED_PIN            13
 
-// Use the RAMPS 1.4 Analog input 5 on the AUX2 connector
-#define FILWIDTH_PIN        5   // Analog Input
+#ifndef FILWIDTH_PIN
+  #define FILWIDTH_PIN      5   // Analog Input on AUX2
+#endif
 
 // define digital pin 4 for the filament runout sensor. Use the RAMPS 1.4 digital input 4 on the servos connector
 #define FIL_RUNOUT_PIN      4

Marlin/pins_ZRIB_V20.h

@@ -0,0 +1,39 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * ZRIB V2.0 pin assignments
+ */
+
+#define ZRIB_V20_D6_PIN 6
+#define ZRIB_V20_D9_PIN 9
+#define RAMPS_D9_PIN         ZRIB_V20_D6_PIN
+#define ORIG_E0_AUTO_FAN_PIN ZRIB_V20_D9_PIN
+#define ORIG_E1_AUTO_FAN_PIN ZRIB_V20_D9_PIN
+#define ORIG_E2_AUTO_FAN_PIN ZRIB_V20_D9_PIN
+#define ORIG_E3_AUTO_FAN_PIN ZRIB_V20_D9_PIN
+
+#ifndef FILWIDTH_PIN
+  #define FILWIDTH_PIN 11   // Analog Input
+#endif
+
+#include "pins_MKS_13.h"