split PICA pin definitions into two files corresponding to board revi…

…sion

Marlin/pins.h

@@ -172,8 +172,10 @@
   #include "pins_MKS_13.h"
 #elif MB(SAINSMART_2IN1)
   #include "pins_SAINSMART_2IN1.h"
-#elif MB(PICA) || MB(PICA_REVB)
+#elif MB(PICA) 
   #include "pins_PICA.h"
+#elif MB(PICA_REVB)
+  #include "pins_PICAOLD.h"
 #else
   #error "Unknown MOTHERBOARD value set in Configuration.h"
 #endif

Marlin/pins_PICA.h

@@ -0,0 +1,138 @@
+/**
+ * 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/>.
+ *
+ */
+
+/**
+ * Arduino Mega with PICA pin assignments
+ *
+ * PICA is Power, Interface, and Control Adapter and is open source hardware.
+ * See github.com/mjrice/PICA for schematics etc.
+ *
+ * Applies to the following boards:
+ *
+ *  PICA 
+ *  PICA_REVB
+ *
+ */
+
+#ifndef BOARD_NAME
+  #define BOARD_NAME "PICA"
+#endif
+
+
+/* note that these are the "pins" that correspond to the analog inputs on the arduino mega.  these are not the same as the physical pin numbers
+AD0 = 54;   AD1 = 55;   AD2 = 56;   AD3 = 57;   
+AD4 = 58;   AD5 = 59;   AD6 = 60;   AD7 = 61;   
+AD8 = 62;   AD9 = 63;   AD10 = 64;  AD11 = 65;
+AD12 = 66;  AD13 = 67;  AD14 = 68;  AD15 = 69;
+*/
+/*************************************
+ * PICA Arduino shield configuration mjrice
+ ************************************* */
+
+
+#if !defined(__AVR_ATmega1280__) && !defined(__AVR_ATmega2560__)
+  #error "Oops!  Make sure you have 'Arduino Mega' selected from the 'Tools -> Boards' menu."
+#endif
+
+ #define KNOWN_BOARD 1
+ #define LARGE_FLASH true
+
+ #define X_DIR_PIN         54
+ #define X_STEP_PIN        55
+ #define Y_DIR_PIN         56
+ #define Y_STEP_PIN        57
+ #define Z_DIR_PIN         58
+ #define Z_STEP_PIN        59
+ #define X_ENABLE_PIN      60     
+ #define Y_ENABLE_PIN      61
+ #define Z_ENABLE_PIN      62
+
+ #define X_MIN_PIN         14
+ #define X_MAX_PIN         15
+
+ #define Y_MIN_PIN          16
+ #define Y_MAX_PIN          17
+
+ #define Z_MIN_PIN          23
+ #define Z_MAX_PIN          22
+
+ #define E0_STEP_PIN         67 
+ #define E0_DIR_PIN          24
+ #define E0_ENABLE_PIN       26
+
+ #define SDPOWER            -1
+ #define LED_PIN            -1 
+ #define PS_ON_PIN          -1
+ #define KILL_PIN           -1
+
+
+ #define SSR_PIN            6
+ #define HEATER_BED_PIN     8 // heat bed
+
+ #define HEATER_0_PIN       10 // extruder 
+ #define HEATER_1_PIN       2 // second extruder
+ #define FAN_PIN            9
+ #define FAN_2_PIN          7
+
+ #define TEMP_0_PIN         9   // ANALOG NUMBERING
+ #define TEMP_1_PIN         10
+ #define TEMP_BED_PIN       10
+ #define TEMP_2_PIN         11
+ #define TEMP_3_PIN         12
+
+// SPI for Max6675 or Max31855 Thermocouple
+#if DISABLED(SDSUPPORT)
+  #define MAX6675_SS       66 // Do not use pin 53 if there is even the remote possibility of using Display/SD card
+#else
+  #define MAX6675_SS       66 // Do not use pin 49 as this is tied to the switch inside the SD card socket to detect if there is an SD card present
+#endif
+
+ // LCD interface pins
+ #define LCD_PINS_RS 33
+ #define LCD_PINS_ENABLE 30
+ #define LCD_PINS_D4 35
+ #define LCD_PINS_D5 32
+ #define LCD_PINS_D6 37
+ #define LCD_PINS_D7 36
+
+ #define BTN_EN1 47
+ #define BTN_EN2 48
+ #define BTN_ENC 31  //the click 
+
+ #define BLEN_C 2
+ #define BLEN_B 1
+ #define BLEN_A 0
+
+ #define SD_DETECT_PIN 49 
+ #define BEEPER_PIN   29
+ #define SDSS         53
+
+#define LCD_SDSS 53
+
+ //encoder rotation values
+ #define encrot0 0
+ #define encrot1 2
+ #define encrot2 3
+ #define encrot3 1
+
+
+

Marlin/pica.h → Marlin/pins_PICAOLD.h

@@ -88,17 +88,10 @@ AD12 = 66;  AD13 = 67;  AD14 = 68;  AD15 = 69;
  #define SSR_PIN            6
  #define HEATER_BED_PIN     8 // heat bed
 
-#if MB(PICA_REVB) 
  #define HEATER_0_PIN       9 // extruder 
  #define HEATER_1_PIN       10 // second extruder
  #define FAN_PIN            11
  #define FAN_2_PIN          12
-#else
- #define HEATER_0_PIN       10 // extruder 
- #define HEATER_1_PIN       2 // second extruder
- #define FAN_PIN            9
- #define FAN_2_PIN          7
-#endif
 
  #define TEMP_0_PIN         9   // ANALOG NUMBERING
  #define TEMP_1_PIN         10