I have searched high and low for a way to make the preprocessor do this for us, but so far I have not found a way.
*/
-//#define HEATER_EXTRUDER HEATER_extruder
+// workaround for heated bed over intercom. HEATER_EXTRUDER, HEATER_BED are the intercom temp channel numbers.
#define HEATER_EXTRUDER 0
-
-// workaround for heated bed over intercom. HEATER_BED is the intercom temp channel number.
#define HEATER_BED 1