First aid menu: Add menu entry to ignore thermistor cutoff

Useful when the thermistor readout gives bogus values / cable broken.

Only available when SUPPORT_THERMISTOR_CUTOFF and SUPPORT_THERMISTOR is enabled.

Author: thomasjfox

Arduino_Pedelec_Controller/Arduino_Pedelec_Controller.ino

@@ -318,6 +318,7 @@ boolean first_aid_ignore_pas = false;
 boolean first_aid_ignore_speed = false;
 boolean first_aid_ignore_poti = false;
 boolean first_aid_ignore_throttle = false;
+boolean first_aid_ignore_temp_sensor = false;
 
 // Forward declarations for compatibility with new gcc versions
 void pas_change();
@@ -870,8 +871,11 @@ if (loadcell.is_ready())     //new conversion result from load cell available
 
 //Temperature cutoff
 #if defined(SUPPORT_THERMISTOR) && defined(SUPPORT_THERMISTOR_CUTOFF)
-    float factor_temperature=constrain(1-(temperature_thermistor-temperature_cutoff_start)/(temperature_cutoff_stop-temperature_cutoff_start),0,1); //linear decrease of maximum power for temperatures higher than temperature_cutoff_start
-    factor_volt=factor_volt*factor_temperature;
+    if (!first_aid_ignore_temp_sensor)
+    {
+        float factor_temperature=constrain(1-(temperature_thermistor-temperature_cutoff_start)/(temperature_cutoff_stop-temperature_cutoff_start),0,1); //linear decrease of maximum power for temperatures higher than temperature_cutoff_start
+        factor_volt=factor_volt*factor_temperature;
+    }
 #endif
 
 //Throttle output-------------------------------------------------------------------------------------------------------
@@ -1608,4 +1612,4 @@ int analogRead_noISR(uint8_t pin) //this function makes sure that analogRead is
     analogRead_in_use = false;
 #endif
     return temp;
-}
+}

Arduino_Pedelec_Controller/globals.h

@@ -69,6 +69,7 @@ extern boolean first_aid_ignore_pas;
 extern boolean first_aid_ignore_speed;
 extern boolean first_aid_ignore_poti;
 extern boolean first_aid_ignore_throttle;
+extern boolean first_aid_ignore_temp_sensor;
 
 extern void save_eeprom();
 extern void save_shutdown();
@@ -99,4 +100,4 @@ extern DallasTemperature sensors;
 #define FET_OFF LOW
 #endif
 
-#endif
+#endif

Arduino_Pedelec_Controller/menu.cpp

@@ -48,13 +48,15 @@ boolean menu_changed=false;
     │   │    ├── Ign. Treten
     │   │    ├── Ign. Tacho
     │   │    ├── Ign. Gasgr.
+    │   │    ├── Ign. Temps.           (only with SUPPORT_THERMISTOR_CUTOFF and SUPPORT_THERMISTOR)
     │   │    ├── Ign. Poti             (only with SUPPORT_POTI)
     │   │    ├── Poti +
     │   │    ├── Poti -
     │   │    └── Zurück
     │   └── Zurück
     └── Zurück
 */
+// note: Nokia Display is just 14 chars wide minus "> " for the selector
 MenuSystem menu_system;
 
 static const char desc_main[] PROGMEM = "";
@@ -113,6 +115,11 @@ static MenuItem m_first_aid_ignore_speed(desc_first_aid_ignore_speed);
 static const char desc_first_aid_ignore_throttle[] PROGMEM = "Ign. Gasgr.";
 static MenuItem m_first_aid_ignore_throttle(desc_first_aid_ignore_throttle);
 
+#if defined(SUPPORT_THERMISTOR) && defined(SUPPORT_THERMISTOR_CUTOFF)
+static const char desc_first_aid_ignore_temp_sensor[] PROGMEM = "Ign. Tempse.";
+static MenuItem m_first_aid_ignore_temp_sensor(desc_first_aid_ignore_temp_sensor);
+#endif
+
 static const char desc_first_aid_ignore_poti[] PROGMEM = "Ignore Poti";
 static MenuItem m_first_aid_ignore_poti(desc_first_aid_ignore_poti);
 
@@ -260,6 +267,14 @@ static void handle_ignore_throttle(MenuItem* p_menu_item)
     show_new_state(first_aid_ignore_throttle);
 }
 
+#if defined(SUPPORT_THERMISTOR) && defined(SUPPORT_THERMISTOR_CUTOFF)
+static void handle_ignore_temp_sensor(MenuItem* p_menu_item)
+{
+    first_aid_ignore_temp_sensor = !first_aid_ignore_temp_sensor;
+    show_new_state(first_aid_ignore_temp_sensor);
+}
+#endif
+
 static void handle_ignore_poti(MenuItem* p_menu_item)
 {
     first_aid_ignore_poti = !first_aid_ignore_poti;
@@ -305,7 +320,9 @@ static void add_first_aid_menu()
 #ifdef SUPPORT_THROTTLE
     menu_first_aid.add_item(&m_first_aid_ignore_throttle, &handle_ignore_throttle);
 #endif
-
+#if defined(SUPPORT_THERMISTOR) && defined(SUPPORT_THERMISTOR_CUTOFF)
+    menu_first_aid.add_item(&m_first_aid_ignore_temp_sensor, &handle_ignore_temp_sensor);
+#endif
 #ifdef SUPPORT_POTI
     menu_first_aid.add_item(&m_first_aid_ignore_poti, &handle_ignore_poti);
 #endif