Correct version of EEPROM header for settings and write check for overtemperature

stm-firmware/safety/safety-controller.c

@@ -42,6 +42,7 @@
 #include <helper-macros/helper-macros.h>
 #include <stm-periph/rcc-manager.h>
 #include <reflow-controller/temp-converter.h>
+#include <reflow-controller/adc-meas.h>
 
 /**
  * @brief Macro that checks if a given @ref error_flag is persistent
@@ -563,6 +564,7 @@ static void safety_controller_process_active_timing_mons()
 /**
  * @brief safety_controller_process_monitor_checks
  * Process the analog and timing monitors and set the relevant flags in case of a monitor outside its limits.
+ * Furthermore, the PT1000 resistance is checked for overtemperature
  *
  * The checking of the analog monitors will only be armed after a startup delay of 1000 ms to allow the values to stabilize.
  */
@@ -572,6 +574,7 @@ static void safety_controller_process_monitor_checks(void)
 	struct analog_monitor_info amon_info;
 	uint32_t idx;
 	uint32_t analog_mon_count;
+	float pt1000_val = 1000000.0f;
 
 	if (!startup_completed && systick_get_global_tick() >= 1000)
 		startup_completed = true;
@@ -589,6 +592,11 @@ static void safety_controller_process_monitor_checks(void)
 		}
 	}
 
+	adc_pt1000_get_current_resistance(&pt1000_val);
+	if (pt1000_val > safety_controller_overtemp_config.overtemp_equiv_resistance) {
+		safety_controller_report_error(ERR_FLAG_OVERTEMP);
+	}
+
 	safety_controller_process_active_timing_mons();
 }
 

stm-firmware/settings/settings-eeprom.c

@@ -24,7 +24,7 @@
 #include <string.h>
 
 #define EEPROM_HEADER_MAGIC 0xA5
-#define EEPROM_HEADER_COMP_VER 0xFF
+#define EEPROM_HEADER_COMP_VER 0x01
 
 static const uint8_t expected_header[2] = {EEPROM_HEADER_MAGIC, EEPROM_HEADER_COMP_VER};
 
@@ -36,6 +36,12 @@ struct eeprom_calibration_settings {
 	uint32_t crc;
 };
 
+#define EEPROM_OVER_TEMP_CONFIG_BASE_ADDR (EEPROM_CALIBRATION_BASE_ADDR + sizeof(struct eeprom_calibration_settings))
+struct eeprom_over_temp_config {
+	float over_temperature;
+	float over_temperature_redundant;
+};
+
 static bool check_eeprom_header(void)
 {
 	uint8_t header[2] = {0};