Issue #26: Add configuration for overtemperature flag to safety controller and include the config in the memory checking

stm-firmware/include/reflow-controller/safety/safety-config.h

@@ -129,6 +129,11 @@ enum analog_value_monitor {
 #define SAFETY_EXT_WATCHDOG_RCC_MASK RCC_AHB1ENR_GPIODEN
 #define SAFETY_EXT_WATCHDOG_PIN (12)
 
+/**
+ * @brief Default Limit of the overtemperature detection
+ */
+#define SAFETY_DEFAULT_OVERTEMP_LIMIT_DEGC (260.0f)
+
 /**
  * @brief Key used to lock the safety flags coming from the measurment ADC from external ack'ing
  */

stm-firmware/include/reflow-controller/safety/safety-controller.h

@@ -250,7 +250,22 @@ int safety_controller_get_timing_mon_name_by_index(uint32_t index, char *buffer,
  * @brief Get the count of timing monitors
  * @return Timing monitor count
  */
-uint32_t safety_controller_get_timing_monitor_count();
+uint32_t safety_controller_get_timing_monitor_count(void);
+
+/**
+ * @brief Set the overtemperature limit and store it permanently in the EEPROM
+ *
+ * If no EEPROM is present, this will fail. The default value @ref SAFETY_DEFAULT_OVERTEMP_LIMIT_DEGC will be used.
+ * @param over_temperature Over temperature to set
+ * @return 0 if successfully saved and applied, negative if error
+ */
+int safety_controller_configure_overtemp_limit(float over_temperature);
+
+/**
+ * @brief Read the current overtemperature limit.
+ * @return Over temperature limit
+ */
+float safety_controller_get_overtemp_limit(void);
 
 #endif /* __SAFETY_CONTROLLER_H__ */