X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=server%2Fsensor.h;h=55b7d89d2c2deffc1bb5f2d67fd96e86e2c5a588;hb=1a311e29d6b72830d62e2cba21c1b9e33433cfbf;hp=e51ab0c5579e7abd0fc2424cb5463044a69c038d;hpb=0b95dfaf594f4e6866ff8e18040c62382cad7d08;p=matches%2FMCTX3420.git

diff --git a/server/sensor.h b/server/sensor.h
index e51ab0c..55b7d89 100644
--- a/server/sensor.h
+++ b/server/sensor.h
@@ -1,59 +1,70 @@
-
 /**
  * @file sensor.h
- * @purpose Declarations for sensor thread related stuff
+ * @brief Declarations for sensor thread related stuff
  */
 
-
-
 #ifndef _SENSOR_H
 #define _SENSOR_H
 
-#include "common.h"
-
-/** Number of data points to keep in sensor buffers **/
-#define SENSOR_DATABUFSIZ 10
+#include "data.h"
 
 /** Number of sensors **/
-#define NUMSENSORS 1
+#define NUMSENSORS 4
 
-#define FILENAMESIZE 10
+/** Safety Values for sensors **/
+//TODO: Probably better to use an array instead
+#define ANALOG_TEST0_SAFETY 1000
+#define ANALOG_TEST1_SAFETY 1000
+#define DIGITAL_TEST0_SAFETY 1
+#define DIGITAL_TEST1_SAFETY 1
 
-/** Structure to represent data recorded by a sensor at an instant in time **/
-typedef struct
+
+typedef enum SensorId 
 {
-	/** Time at which data was taken **/
-	float time;
-	/** Value of data **/
-	float value;
-} DataPoint;
+	ANALOG_TEST0,
+	ANALOG_TEST1,
+	DIGITAL_TEST0,
+	DIGITAL_TEST1
+} 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 **/
-	enum {SENSOR_TEST0=0, SENSOR_TEST1=1} id;
-	/** Buffer to store data from the sensor **/
-	DataPoint buffer[SENSOR_DATABUFSIZ];
-	/** Index of last point written in the data buffer **/
-	int write_index;
-	/** Offset position in binary file for query thread to read from**/
-	int read_offset;
-	/** File to write data into when buffer is full **/
-	char filename[FILENAMESIZE];
-	/** Thread running 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;
-	/** Mutex to protect access to stuff **/
-	pthread_mutex_t mutex;
+	/** Most recently recorded data **/
+	DataPoint newest_data;
 
-	
 } Sensor;
 
-/** Array of Sensors **/
-extern Sensor g_sensors[];
 
-extern void Sensor_Init(Sensor * s, int id); // Initialise sensor
-extern void * Sensor_Main(void * args); // main loop for sensor thread; pass a Sensor* cast to void*
+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