Merge pull request #1805 from DRracer/MK3

PFW-844

Firmware/temperature.cpp

@@ -264,11 +264,13 @@ static void temp_runaway_stop(bool isPreheat, bool isBed);
      soft_pwm_bed = (MAX_BED_POWER)/2;
 	 timer02_set_pwm0(soft_pwm_bed << 1);
      bias = d = (MAX_BED_POWER)/2;
+     target_temperature_bed = (int)temp; // to display the requested target bed temperature properly on the main screen
    }
    else
    {
      soft_pwm[extruder] = (PID_MAX)/2;
      bias = d = (PID_MAX)/2;
+     target_temperature[extruder] = (int)temp; // to display the requested target extruder temperature properly on the main screen
   }
 
 

Firmware/ultralcd.cpp

@@ -1765,6 +1765,7 @@ void lcd_commands()
 		if (lcd_commands_step == 3 && !blocks_queued()) { //PID calibration
 			strcpy(cmd1, "M303 E0 S");
 			strcat(cmd1, ftostr3(pid_temp));
+			// setting the correct target temperature (for visualization) is done in PID_autotune
 			enquecommand(cmd1);
 			lcd_setstatuspgm(_i("PID cal.           "));////MSG_PID_RUNNING c=20 r=1
 			lcd_commands_step = 2;
@@ -1773,6 +1774,7 @@ void lcd_commands()
 			pid_tuning_finished = false;
 			custom_message_state = 0;
 			lcd_setstatuspgm(_i("PID cal. finished"));////MSG_PID_FINISHED c=20 r=1
+			setAllTargetHotends(0);  // reset all hotends temperature including the number displayed on the main screen
 			if (_Kp != 0 || _Ki != 0 || _Kd != 0) {
 			strcpy(cmd1, "M301 P");
 			strcat(cmd1, ftostr32(_Kp));