safety state and input error detection

main/safety.h

@@ -6,7 +6,22 @@
 #define MAX_ERROR_STRING_SIZE 64U
 #define NUMBER_OF_SENSOR_SANITY_CHECKS 4U
 
-typedef float (*GetSensorValue)(eMeasurementMode);
+typedef enum _SensorErrorState
+{
+    SENSOR_NO_ERROR,
+    SENSOR_TOO_HIGH,
+    SENSOR_TOO_LOW,
+    SENSOR_UNCHANGED,
+    SENSOR_NOT_FOUND
+} eSensorErrorState;
+
+typedef enum _SafetyState
+{
+    SAFETY_NO_ERROR,
+    SAFETY_SENSOR_ERROR,
+} eSafetyState;
+
+typedef sMeasurement (*GetSensorValue)();
 typedef struct _TemperatureSensorLimit
 {
     float max; // Maximum temperature limit
@@ -14,7 +29,7 @@ typedef struct _TemperatureSensorLimit
 } sTemperatureSensorLimit;
 typedef struct _SensorSanityCheck
 {
-    uint8_t status;
+    eSensorErrorState status;
     char name[MAX_ERROR_STRING_SIZE];
     sTemperatureSensorLimit sSensorLimit;
     float fSensorTemperatureLast;
@@ -23,5 +38,5 @@ typedef struct _SensorSanityCheck
 } sSensorSanityCheck;
 
 void initSafety(void);
-
-//sSensorSanityCheck *getSafetyStates(void);
+void getSensorSanityStates(sSensorSanityCheck *pSensorSanityChecks);
+eSafetyState getSafetyState(void);