Add Ultiboard2 electronics. With PWM current settings. For the few people that have this new board as experiment in their UM-Original.

Marlin/pins.h

@@ -1295,6 +1295,89 @@
 
 #endif
 
+#if MOTHERBOARD == 72
+#define KNOWN_BOARD
+/*****************************************************************
+* Ultiboard v2.0 pin assignment
+******************************************************************/
+
+#ifndef __AVR_ATmega2560__
+ #error Oops!  Make sure you have 'Arduino Mega 2560' selected from the 'Tools -> Boards' menu.
+#endif
+
+#define X_STEP_PIN 25
+#define X_DIR_PIN 23
+#define X_STOP_PIN 22
+#define X_ENABLE_PIN 27
+
+#define Y_STEP_PIN 32
+#define Y_DIR_PIN 33
+#define Y_STOP_PIN 26
+#define Y_ENABLE_PIN 31
+
+#define Z_STEP_PIN 35
+#define Z_DIR_PIN 36
+#define Z_STOP_PIN 29
+#define Z_ENABLE_PIN 34
+
+#define HEATER_BED_PIN 4
+#define TEMP_BED_PIN 10
+
+#define HEATER_0_PIN  2
+#define TEMP_0_PIN 8
+
+#define HEATER_1_PIN 3
+#define TEMP_1_PIN 9
+
+#define HEATER_2_PIN -1
+#define TEMP_2_PIN -1
+
+#define E0_STEP_PIN         42
+#define E0_DIR_PIN          43
+#define E0_ENABLE_PIN       37
+
+#define E1_STEP_PIN         49
+#define E1_DIR_PIN          47
+#define E1_ENABLE_PIN       48
+
+#define SDPOWER            -1
+#define SDSS               53
+#define LED_PIN            8
+#define FAN_PIN            7
+#define PS_ON_PIN          12
+#define KILL_PIN           -1
+#define SUICIDE_PIN        -1  //PIN that has to be turned on right after start, to keep power flowing.
+#define SAFETY_TRIGGERED_PIN     28 //PIN to detect the safety circuit has triggered
+#define MAIN_VOLTAGE_MEASURE_PIN 14 //Analogue PIN to measure the main voltage, with a 100k - 4k7 resitor divider.
+
+#define MOTOR_CURRENT_PWM_XY_PIN 44
+#define MOTOR_CURRENT_PWM_Z_PIN 45
+#define MOTOR_CURRENT_PWM_E_PIN 46
+//Motor current PWM conversion, PWM value = MotorCurrentSetting * 255 / range
+#define MOTOR_CURRENT_PWM_RANGE 2000
+
+//arduino pin witch triggers an piezzo beeper
+#define BEEPER 18
+
+#define LCD_PINS_RS 20
+#define LCD_PINS_ENABLE 15
+#define LCD_PINS_D4 14
+#define LCD_PINS_D5 21
+#define LCD_PINS_D6 5
+#define LCD_PINS_D7 6
+
+//buttons are directly attached
+#define BTN_EN1 40
+#define BTN_EN2 41
+#define BTN_ENC 19  //the click
+
+#define BLEN_C 2
+#define BLEN_B 1
+#define BLEN_A 0
+
+#define SDCARDDETECT 39
+
+#endif//MOTHERBOARD == 72
 
 /****************************************************************************************
 * RUMBA pin assignment