config: Add exaple generic-rumba.cfg config file

Add config file for the RUMBA board (from config provided by Tim
Miller).

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

config/generic-rumba.cfg

@@ -0,0 +1,111 @@
+# This file contains common pin mappings for RUMBA boards.  To use
+# this config, the firmware should be compiled for the AVR atmega2560.
+
+# See the example.cfg file for a description of available parameters.
+
+[stepper_x]
+step_pin: ar17
+dir_pin: ar16
+enable_pin: !ar48
+step_distance: .0125
+endstop_pin: ^ar37
+#endstop_pin: ^ar36
+position_endstop: 0
+position_max: 200
+homing_speed: 50
+
+[stepper_y]
+step_pin: ar54
+dir_pin: !ar47
+enable_pin: !ar55
+step_distance: .0125
+endstop_pin: ^ar35
+#endstop_pin: ^ar34
+position_endstop: 0
+position_max: 200
+homing_speed: 50
+
+[stepper_z]
+step_pin: ar57
+dir_pin: ar56
+enable_pin: !ar62
+step_distance: .0125
+endstop_pin: ^ar33
+#endstop_pin: ^ar32
+position_endstop: 0.5
+position_max: 200
+
+[extruder]
+step_pin: ar23
+dir_pin: ar22
+enable_pin: !ar24
+step_distance: .002
+nozzle_diameter: 0.400
+filament_diameter: 1.750
+heater_pin: ar2
+sensor_type: EPCOS 100K B57560G104F
+sensor_pin: analog15
+control: pid
+pid_Kp: 22.2
+pid_Ki: 1.08
+pid_Kd: 114
+min_temp: 0
+max_temp: 250
+
+#[extruder1]
+#step_pin: ar26
+#dir_pin: ar3
+#enable_pin: !ar27
+#heater_pin: ar9
+#sensor_pin: analog14
+#...
+
+#[extruder2]
+#step_pin: ar29
+#dir_pin: ar6
+#enable_pin: !ar39
+#heater_pin: ar9
+#sensor_pin: analog13
+#...
+
+[heater_bed]
+heater_pin: ar9
+sensor_type: NTC 100K beta 3950
+sensor_pin: analog11
+control: watermark
+min_temp: 0
+max_temp: 130
+
+[fan]
+pin: ar7
+
+#[heater_fan fan1]
+#pin: ar8
+
+[mcu]
+serial: /dev/ttyACM0
+pin_map: arduino
+
+[printer]
+kinematics: cartesian
+max_velocity: 300
+max_accel: 3000
+max_z_velocity: 5
+max_z_accel: 100
+
+# "RepRapDiscount 2004 Smart Controller" type displays
+#[display]
+#lcd_type: hd44780
+#rs_pin: ar19
+#e_pin: ar42
+#d4_pin: ar18
+#d5_pin: ar38
+#d6_pin: ar41
+#d7_pin: ar40
+
+# "RepRapDiscount 128x64 Full Graphic Smart Controller" type displays
+#[display]
+#lcd_type: st7920
+#cs_pin: ar19
+#sclk_pin: ar18
+#sid_pin: ar42