-
/**
* @file sensor.h
- * @purpose Declarations for sensor thread related stuff
+ * @brief Declarations for sensor thread related stuff
*/
-
-
#ifndef _SENSOR_H
#define _SENSOR_H
+#include "data.h"
+
+/** Number of sensors **/
+#define NUMSENSORS 8
+
+/** Sensor ids - there should be correspondence with the names in g_sensor_names **/
+typedef enum SensorId
+{
+ ANALOG_TEST0,
+ ANALOG_TEST1,
+ ANALOG_REALTEST,
+ ANALOG_FAIL0,
+ DIGITAL_TEST0,
+ DIGITAL_TEST1,
+ DIGITAL_REALTEST,
+ DIGITAL_FAIL0
+} SensorId;
+
+/** Human readable names for the sensors **/
+extern const char * g_sensor_names[NUMSENSORS];
+/** Structure to represent a sensor **/
+typedef struct
+{
+ /** ID number of the sensor **/
+ SensorId id;
+ /** DataFile to store sensor values in **/
+ DataFile data_file;
+ /** Indicates whether the Sensor is active or not **/
+ bool activated;
+ /** Thread the Sensor is running in **/
+ pthread_t thread;
+ /** Most recently recorded data **/
+ DataPoint newest_data;
+} Sensor;
-extern void * Sensor_Main(void * args); // main loop for sensor thread
+// Structure to define the warning and error thresholds of the sensors
+typedef struct
+{
+ double max_error;
+ double min_error;
+ double max_warn;
+ double min_warn;
+} SensorThreshold;
+
+extern void Sensor_Init(); // One off initialisation of *all* sensors
+
+extern void Sensor_SetModeAll(ControlModes mode, void * arg);
+extern void Sensor_SetMode(Sensor * s, ControlModes mode, void * arg);
+
+extern void * Sensor_Loop(void * args); // Main loop for a thread that handles a Sensor
+extern bool Sensor_Read(Sensor * s, DataPoint * d); // Read a single DataPoint, indicating if it has changed since the last one
+extern void Sensor_CheckData(SensorId id, double value); // Check a DataPoint
+extern Sensor * Sensor_Identify(const char * str); // Identify a Sensor from a string Id
+
+extern void Sensor_Handler(FCGIContext *context, char * params); // Handle a FCGI request for Sensor data
#endif //_SENSOR_H
+