Fix bed heaters on MK2.5 and SD target names (#254)

* SD card targets based on printer code files (#249)

* Fix self-immolating bed on 2.5 series (#252)

SDCard/CMakeLists.txt

@@ -1,9 +1,12 @@
 cmake_minimum_required(VERSION 3.10)
 #project (MK404_Tests VERSION 1.0)
 
+file(GLOB PRINTER_CLASSES ${PROJECT_SOURCE_DIR}/parts/printers/*.h)
+
 file(GLOB GCODE_FILES *.gcode)
 
-foreach(PRINTER IN LISTS PRINTERS)
+foreach(PRINTER_FN IN LISTS PRINTER_CLASSES)
+	get_filename_component(PRINTER ${PRINTER_FN} NAME_WE)
 	add_custom_target(${PRINTER}_SDcard.bin
 		WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
 		DEPENDS MK404

parts/components/Heater.h

@@ -61,6 +61,9 @@ class Heater : public BasePeripheral, public Scriptable
 	// Draws the heater status
 	void Draw();
 
+	// Change SoftPWM mode after creation
+	inline void SetSoftPWM(bool bVal) { m_bIsBed = bVal; }
+
 	protected:
 		Scriptable::LineStatus ProcessAction (unsigned int iAct, const std::vector<std::string> &vArgs) override;
 

parts/printers/Prusa_MK25_13.cpp

@@ -22,6 +22,7 @@
 #include "3rdParty/MK3/thermistortables.h"  // for temptable_1, OVERSAMPLENR
 #include "A4982.h"                          // for A4982
 #include "Fan.h"                            // for Fan
+#include "Heater.h"
 #include "LED.h"                            // for LED
 #include "PAT9125.h"                        // for PAT9125, A4982::IRQ::POSI...
 #include "PINDA.h"                          // for PINDA, PINDA::XYCalMap
@@ -44,6 +45,8 @@ void Prusa_MK25_13::SetupHardware()
 
 	pinda.Reconfigure(23.f, 5.f, PINDA::XYCalMap::MK25);
 
+	hBed.SetSoftPWM(true);
+
 }
 
 void Prusa_MK25_13::SetupFilamentSensor()