Modified sanity check

[matches/MCTX3420.git] / server / sensor.h

diff --git a/server/sensor.h b/server/sensor.h
new file mode 100644 (file)
index 0000000..bd43fc1
--- /dev/null
+++ b/server/sensor.h
@@ -0,0 +1,72 @@
+/**
+ * @file sensor.h
+ * @brief Declarations for sensor thread related stuff
+ */
+
+#ifndef _SENSOR_H
+#define _SENSOR_H
+
+#include "data.h"
+
+/** Number of sensors **/
+#define NUMSENSORS 6 
+
+typedef enum SensorId 
+{
+       ANALOG_TEST0,
+       ANALOG_TEST1,
+       ANALOG_FAIL0,
+       DIGITAL_TEST0,
+       DIGITAL_TEST1,
+       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 should record data **/
+       bool record_data;
+       /** Thread the Sensor is running in **/
+       pthread_t thread;
+       /** Most recently recorded data **/
+       DataPoint newest_data;
+
+} Sensor;
+
+// 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;
+} SensorThres;
+
+extern void Sensor_Init(); // One off initialisation of *all* sensors
+
+extern void Sensor_StartAll(const char * experiment_name); // Start all Sensors recording data
+extern void Sensor_StopAll(); // Stop all Sensors recording data
+extern void Sensor_Start(Sensor * s, const char * experiment_name); // Start a sensor recording datas
+extern void Sensor_Stop(Sensor * s); // Stop a Sensor from recording data
+
+
+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, DataPoint * d); // 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
+
+