prusa-mini: add pid and heightmap calibration

printer.cfg

@@ -29,7 +29,6 @@
 [virtual_sdcard]
 path: ~/gcode_files
 
-
 [stepper_x]
 step_pin: PD1
 dir_pin: PD0
@@ -78,10 +77,11 @@ filament_diameter: 1.750
 heater_pin: PB1
 sensor_type: ATC Semitec 104GT-2
 sensor_pin: PC0
-control: pid
-pid_Kp: 7
-pid_Ki: 0.5
-pid_Kd: 45
+#control: pid
+# Prusa's firmware defaults.
+#pid_Kp: 7
+#pid_Ki: 0.5
+#pid_Kd: 45
 min_temp: 10
 max_temp: 305
 
@@ -124,10 +124,11 @@ sense_resistor: 0.22
 heater_pin: PB0
 sensor_type: EPCOS 100K B57560G104F
 sensor_pin: PA4
-control: pid
-pid_Kp: 120
-pid_Ki: 1.5
-pid_Kd: 600
+#control: pid
+# Prusa's firmware defaults.
+#pid_Kp: 120
+#pid_Ki: 1.5
+#pid_Kd: 600
 min_temp: 10
 max_temp: 110
 
@@ -181,6 +182,7 @@ restart_method: command
 
 [printer]
 kinematics: cartesian
+# Prusa firmware defaults.
 max_velocity: 180
 max_accel: 1250
 max_z_velocity: 12
@@ -194,3 +196,39 @@ cs_pin: PC9
 rs_pin: PD11
 encoder_pins: ^PE13, ^PE15
 click_pin: ^!PE12
+
+#*# <---------------------- SAVE_CONFIG ---------------------->
+#*# DO NOT EDIT THIS BLOCK OR BELOW. The contents are auto-generated.
+#*#
+#*# [extruder]
+#*# control = pid
+#*# pid_kp = 21.307
+#*# pid_ki = 0.911
+#*# pid_kd = 124.644
+#*#
+#*# [heater_bed]
+#*# control = pid
+#*# pid_kp = 57.528
+#*# pid_ki = 1.059
+#*# pid_kd = 780.942
+#*#
+#*# [probe]
+#*# z_offset = 1.480
+#*#
+#*# [bed_mesh default]
+#*# version = 1
+#*# points =
+#*# 	  -0.080000, -0.012500, 0.085000, 0.021250
+#*# 	  -0.110000, -0.061250, -0.072500, -0.017500
+#*# 	  -0.026250, -0.112500, -0.081250, -0.017500
+#*# 	  -0.123750, -0.120000, -0.072500, -0.072500
+#*# tension = 0.2
+#*# min_x = 10.0
+#*# algo = lagrange
+#*# y_count = 4
+#*# mesh_y_pps = 2
+#*# min_y = 10.0
+#*# x_count = 4
+#*# max_y = 166.99
+#*# mesh_x_pps = 2
+#*# max_x = 140.98