Mark code unused when PINDA_THERMISTOR is defined by macro. Saves 1B of RAM and 4B of FLASH memory.

Firmware/Marlin.h

@@ -423,8 +423,6 @@ void bed_analysis(float x_dimension, float y_dimension, int x_points_num, int y_
 void bed_check(float x_dimension, float y_dimension, int x_points_num, int y_points_num, float shift_x, float shift_y);
 #endif //HEATBED_ANALYSIS
 float temp_comp_interpolation(float temperature);
-void temp_compensation_apply();
-void temp_compensation_start();
 void show_fw_version_warnings();
 uint8_t check_printer_version();
 

Firmware/Marlin_main.cpp

@@ -397,6 +397,9 @@ static bool setTargetedHotend(int code, uint8_t &extruder);
 static void print_time_remaining_init();
 static void wait_for_heater(long codenum, uint8_t extruder);
 static void gcode_G28(bool home_x_axis, bool home_y_axis, bool home_z_axis);
+static void temp_compensation_start();
+static void temp_compensation_apply();
+
 
 uint16_t gcode_in_progress = 0;
 uint16_t mcode_in_progress = 0;
@@ -4617,7 +4620,9 @@ if(eSoundMode!=e_SOUND_MODE_SILENT)
 	case_G80:
 	{
 		mesh_bed_leveling_flag = true;
+#ifndef PINDA_THERMISTOR
         static bool run = false;
+#endif // ndef PINDA_THERMISTOR
 
 #ifdef SUPPORT_VERBOSITY
 		int8_t verbosity_level = 0;
@@ -4665,13 +4670,9 @@ if(eSoundMode!=e_SOUND_MODE_SILENT)
 		}
 		bool magnet_elimination = (eeprom_read_byte((uint8_t*)EEPROM_MBL_MAGNET_ELIMINATION) > 0);
 		
-		bool temp_comp_start = true;
-#ifdef PINDA_THERMISTOR
-		temp_comp_start = false;
-#endif //PINDA_THERMISTOR
-
-		if (temp_comp_start)
-		if (run == false && temp_cal_active == true && calibration_status_pinda() == true && target_temperature_bed >= 50) {
+#ifndef PINDA_THERMISTOR
+		if (run == false && temp_cal_active == true && calibration_status_pinda() == true && target_temperature_bed >= 50)
+		{
 			if (lcd_commands_type != LcdCommands::StopPrint) {
 				temp_compensation_start();
 				run = true;
@@ -4683,7 +4684,8 @@ if(eSoundMode!=e_SOUND_MODE_SILENT)
 			}
 			break;
 		}
-		run = false;
+        run = false;
+#endif //PINDA_THERMISTOR
 		if (lcd_commands_type == LcdCommands::StopPrint) {
 			mesh_bed_leveling_flag = false;
 			break;
@@ -4900,12 +4902,9 @@ if(eSoundMode!=e_SOUND_MODE_SILENT)
 		clean_up_after_endstop_move(l_feedmultiply);
 //		SERIAL_ECHOLNPGM("clean up finished ");
 
-		bool apply_temp_comp = true;
-#ifdef PINDA_THERMISTOR
-		apply_temp_comp = false;
-#endif
-		if (apply_temp_comp)
+#ifndef PINDA_THERMISTOR
 		if(temp_cal_active == true && calibration_status_pinda() == true) temp_compensation_apply(); //apply PINDA temperature compensation
+#endif
 		babystep_apply(); // Apply Z height correction aka baby stepping before mesh bed leveing gets activated.
 //		SERIAL_ECHOLNPGM("babystep applied");
 		bool eeprom_bed_correction_valid = eeprom_read_byte((unsigned char*)EEPROM_BED_CORRECTION_VALID) == 1;
@@ -9354,7 +9353,8 @@ void bed_analysis(float x_dimension, float y_dimension, int x_points_num, int y_
 }
 #endif //HEATBED_ANALYSIS
 
-void temp_compensation_start() {
+#ifndef PINDA_THERMISTOR
+static void temp_compensation_start() {
 	
 	custom_message_type = CustomMsg::TempCompPreheat;
 	custom_message_state = PINDA_HEAT_T + 1;
@@ -9381,7 +9381,7 @@ void temp_compensation_start() {
 	custom_message_state = 0;
 }
 
-void temp_compensation_apply() {
+static void temp_compensation_apply() {
 	int i_add;
 	int z_shift = 0;
 	float z_shift_mm;
@@ -9404,6 +9404,7 @@ void temp_compensation_apply() {
 		//we have no temp compensation data
 	}
 }
+#endif //ndef PINDA_THERMISTOR
 
 float temp_comp_interpolation(float inp_temperature) {
 

Firmware/temperature.cpp

@@ -1565,7 +1565,9 @@ extern "C" {
 void adc_ready(void) //callback from adc when sampling finished
 {
 	current_temperature_raw[0] = adc_values[ADC_PIN_IDX(TEMP_0_PIN)]; //heater
+#ifdef PINDA_THERMISTOR
 	current_temperature_raw_pinda_fast = adc_values[ADC_PIN_IDX(TEMP_PINDA_PIN)];
+#endif //PINDA_THERMISTOR
 	current_temperature_bed_raw = adc_values[ADC_PIN_IDX(TEMP_BED_PIN)];
 #ifdef VOLT_PWR_PIN
 	current_voltage_raw_pwr = adc_values[ADC_PIN_IDX(VOLT_PWR_PIN)];

Firmware/ultralcd.cpp

@@ -1863,11 +1863,11 @@ static void lcd_menu_temperatures()
 	lcd_timeoutToStatus.stop(); //infinite timeout
 	lcd_home();
 	lcd_printf_P(PSTR(" %S:   %d%c \n" " %S:      %d%c \n"), _i("Nozzle"), (int)current_temperature[0], '\x01', _i("Bed"), (int)current_temperature_bed, '\x01');
-#ifdef AMBIENT_THERMISTOR
+#if defined (AMBIENT_THERMISTOR) && defined (PINDA_THERMISTOR)
 	lcd_printf_P(PSTR(" %S:  %d%c\n" " PINDA:    %d%c"), _i("Ambient"), (int)current_temperature_ambient, '\x01', (int)current_temperature_pinda, '\x01');
-#else //AMBIENT_THERMISTOR
+#elif defined (PINDA_THERMISTOR)
 	lcd_printf_P(PSTR(" PINDA:    %d%c"), (int)current_temperature_pinda, '\x01');
-#endif //AMBIENT_THERMISTOR
+#endif
 
     menu_back_if_clicked();
 }
@@ -2969,9 +2969,11 @@ static void lcd_babystep_z()
 		eeprom_update_byte(&(EEPROM_Sheets_base->s[(eeprom_read_byte(
 		        &(EEPROM_Sheets_base->active_sheet)))].bed_temp),
 		        target_temperature_bed);
+#ifdef PINDA_THERMISTOR
 		eeprom_update_byte(&(EEPROM_Sheets_base->s[(eeprom_read_byte(
 		        &(EEPROM_Sheets_base->active_sheet)))].pinda_temp),
 		        current_temperature_pinda);
+#endif //PINDA_THERMISTOR
 		calibration_status_store(CALIBRATION_STATUS_CALIBRATED);
 	}
 	if (LCD_CLICKED) menu_back();
@@ -3140,6 +3142,7 @@ void lcd_adjust_z() {
 
 }*/
 
+#ifdef PINDA_THERMISTOR
 bool lcd_wait_for_pinda(float temp) {
 	lcd_set_custom_characters_degree();
 	setAllTargetHotends(0);
@@ -3168,6 +3171,7 @@ bool lcd_wait_for_pinda(float temp) {
 	lcd_update_enable(true);
 	return target_temp_reached;
 }
+#endif //PINDA_THERMISTOR
 
 void lcd_wait_for_heater() {
 		lcd_display_message_fullscreen_P(_T(MSG_WIZARD_HEATING));

Firmware/ultralcd.h

@@ -197,7 +197,9 @@ void lcd_wait_for_cool_down();
 void lcd_extr_cal_reset();
 
 void lcd_temp_cal_show_result(bool result);
+#ifdef PINDA_THERMISTOR
 bool lcd_wait_for_pinda(float temp);
+#endif //PINDA_THERMISTOR
 
 
 void bowden_menu();