Initial SAV MkI (RepRap CloneWars board) integration.

Included support for BT dongle on AT90USB boards.
Added LCD Shift Register LCD control
Included support for RepRap Clone Wars project board (SAV MKI).

Marlin/Configuration.h

@@ -22,10 +22,21 @@
 // This allows the connection of wireless adapters (for instance) to non-default port pins.
 // Serial port 0 is still used by the Arduino bootloader regardless of this setting.
 #define SERIAL_PORT 0
+//#define SERIAL_PORT 1  // Define serial port 1 for bluetooth configuration in AT90USB configurations
 
+// This determines the communication speed of the printer
 // This determines the communication speed of the printer
 #define BAUDRATE 250000
-//#define BAUDRATE 115200
+
+// This enables the serial port associated to the Bluetooth interface
+//#define BTENABLED              // Enable BT interface
+
+
+// SERIAL_PORT selects which serial port should be used for communication with the host.
+// This allows the connection of wireless adapters (for instance) to non-default port pins.
+// Serial port 0 is still used by the Arduino bootloader regardless of this setting.
+#define SERIAL_PORT 0
+
 
 //// The following define selects which electronics board you have. Please choose the one that matches your setup
 // 10 = Gen7 custom (Alfons3 Version) "https://github.com/Alfons3/Generation_7_Electronics"
@@ -54,6 +65,7 @@
 // 80 = Rumba
 // 81 = Printrboard (AT90USB1286)
 // 82 = Brainwave (AT90USB646)
+// 83 = SAV Mk-I (AT90USB1286)
 // 9  = Gen3+
 // 70 = Megatronics
 // 701= Megatronics v2.0
@@ -64,7 +76,8 @@
 // 21 = Elefu Ra Board (v3)
 
 #ifndef MOTHERBOARD
-#define MOTHERBOARD 7
+//[FMC]#define MOTHERBOARD 7
+#define MOTHERBOARD 83
 #endif
 
 // Define this to set a custom name for your generic Mendel,
@@ -507,6 +520,15 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
   #define ULTIPANEL
 #endif
 
+// Shift register panels
+// ---------------------
+//#define SR_LCD
+#ifdef SR_LCD
+   #define SR_LCD_2W_NL    // Non latching 2 wire shiftregister
+   //#define NEWPANEL
+#endif
+
+
 #ifdef ULTIPANEL
 //  #define NEWPANEL  //enable this if you have a click-encoder panel
   #define SDSUPPORT

Marlin/Marlin.h

@@ -34,6 +34,10 @@
 # define analogInputToDigitalPin(p) ((p) + A0)
 #endif
 
+#ifdef AT90USB
+#include "HardwareSerial.h"
+#endif
+
 #include "MarlinSerial.h"
 
 #ifndef cbi
@@ -45,6 +49,15 @@
 
 #include "WString.h"
 
+#ifdef AT90USB
+   #ifdef BTENABLED
+         extern HardwareSerial bt;
+         #define MYSERIAL bt
+   #else
+         #define MYSERIAL Serial
+   #endif // BTENABLED
+#endif
+
 #ifdef AT90USB
   #define MYSERIAL Serial
 #else

Marlin/MarlinSerial.cpp

@@ -320,3 +320,9 @@ MarlinSerial MSerial;
 
 #endif // whole file
 #endif // !AT90USB
+
+// For AT90USB targets use the UART for BT interfacing
+#if defined(AT90USB) && defined (BTENABLED)
+   HardwareSerial bt;
+#endif
+

Marlin/MarlinSerial.h

@@ -181,4 +181,9 @@ class MarlinSerial //: public Stream
 extern MarlinSerial MSerial;
 #endif // !AT90USB
 
+// Use the UART for BT in AT90USB configurations
+#if defined(AT90USB) && defined (BTENABLED)
+   extern HardwareSerial bt;
+#endif
+
 #endif

Marlin/pins.h

@@ -1541,6 +1541,92 @@
 
 #endif  // MOTHERBOARD == 82 (Brainwave)
 
+//
+// SAV Mk-I
+// -----------------------------------------------------------------------------------
+/****************************************************************************************
+* SAV MkI pin assignments (AT90USB1286)
+* Requires the Teensyduino software with Teensy++ 2.0 selected in Arduino IDE!
+  http://www.pjrc.com/teensy/teensyduino.html
+   RepRap Clone Wars project board.
+****************************************************************************************/
+#if MOTHERBOARD == 83  // SAV Mk-I
+#define KNOWN_BOARD 1
+#define AT90USB 1286  // Disable MarlinSerial etc.
+
+#ifndef __AVR_AT90USB1286__
+#error Oops!  Make sure you have 'Teensy++ 2.0' selected from the 'Tools -> Boards' menu.
+#endif
+
+#define LARGE_FLASH        true
+
+
+#define X_STEP_PIN         0
+#define X_DIR_PIN          1
+#define X_ENABLE_PIN       39
+
+#define Y_STEP_PIN         2
+#define Y_DIR_PIN          3
+#define Y_ENABLE_PIN       38
+
+#define Z_STEP_PIN         4
+#define Z_DIR_PIN          5
+#define Z_ENABLE_PIN       23
+
+#define E0_STEP_PIN         6
+#define E0_DIR_PIN          7
+#define E0_ENABLE_PIN       19
+
+#define HEATER_0_PIN       21  // Extruder
+#define HEATER_1_PIN       -1
+#define HEATER_2_PIN       -1
+#define HEATER_BED_PIN     20  // Bed
+#define FAN_PIN            16  // Fan   -- from Teensyduino environment.
+                               // For the fan and Teensyduino uses a different pin mapping.
+
+  #define X_STOP_PIN         13
+  #define Y_STOP_PIN         14
+  #define Z_STOP_PIN         15
+  #define TEMP_0_PIN          7  // Extruder / Analog pin numbering
+  #define TEMP_BED_PIN        6  // Bed / Analog pin numbering
+
+#define TEMP_1_PIN         -1
+#define TEMP_2_PIN         -1
+
+#define SDPOWER            -1
+#define SDSS               20  // PB0 - 8 in marlin env.
+#define LED_PIN            -1
+#define PS_ON_PIN          -1
+#define KILL_PIN           -1
+#define ALARM_PIN          -1
+#define SDCARDDETECT       -1
+
+
+#ifndef SDSUPPORT
+   // these pins are defined in the SD library if building with SD support
+  #define SCK_PIN          9
+  #define MISO_PIN         11
+  #define MOSI_PIN         10
+#endif
+
+#define BEEPER             -1
+#define LCD_PINS_RS        -1
+#define LCD_PINS_ENABLE    -1
+#define LCD_PINS_D4        -1
+#define LCD_PINS_D5        -1
+#define LCD_PINS_D6        -1
+#define LCD_PINS_D7        -1
+#define BTN_EN1            -1
+#define BTN_EN2            -1
+#define BTN_ENC            -1
+
+// For LCD SHIFT register LCD
+#define SR_DATA_PIN         0
+#define SR_CLK_PIN          1
+
+#endif  // MOTHERBOARD == 83
+
+
 /****************************************************************************************
 * Gen3+ pin assignment
 *

Marlin/ultralcd.cpp

@@ -992,6 +992,10 @@ void lcd_init()
     WRITE(SHIFT_LD,HIGH);
   #endif
 #else
+  #ifdef SR_LCD_2W_NL
+     pinMode (SR_DATA_PIN, OUTPUT);
+     pinMode (SR_CLK_PIN, OUTPUT);
+  #else
      pinMode(SHIFT_CLK,OUTPUT);
      pinMode(SHIFT_LD,OUTPUT);
      pinMode(SHIFT_EN,OUTPUT);
@@ -999,7 +1003,9 @@ void lcd_init()
      WRITE(SHIFT_OUT,HIGH);
      WRITE(SHIFT_LD,HIGH); 
      WRITE(SHIFT_EN,LOW);
+   #endif // SR_LCD_2W_NL    
 #endif//!NEWPANEL
+
 #if (SDCARDDETECT > 0)
     WRITE(SDCARDDETECT, HIGH);
     lcd_oldcardstatus = IS_SD_INSERTED;

Marlin/ultralcd_implementation_hitachi_HD44780.h

@@ -179,6 +179,15 @@ extern volatile uint16_t buttons;  //an extended version of the last checked but
     #define LCD_CLASS LiquidCrystal_I2C
     LCD_CLASS lcd(LCD_I2C_ADDRESS, LCD_WIDTH, LCD_HEIGHT);
     
+// 2 wire Non-latching LCD SR from:
+// https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/schematics#!shiftregister-connection 
+#elif defined(SR_LCD_2W_NL)
+   
+  #include <LCD.h>
+  #include <LiquidCrystal_SR.h>
+  #define LCD_CLASS LiquidCrystal_SR
+  LCD_CLASS lcd(SR_DATA_PIN, SR_CLK_PIN);
+
 #else
   // Standard directly connected LCD implementations
   #if LANGUAGE_CHOICE == 6