Add API version and change FCGI_RejectJSON

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

diff --git a/server/sensor.h b/server/sensor.h
index e51ab0c..8ae5660 100644 (file)
--- a/server/sensor.h
+++ b/server/sensor.h
@@ -1,46 +1,51 @@
-
 /**
  * @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
+/** Size of the query buffer. @see Sensor_Handler **/
+#define SENSOR_QUERYBUFSIZ 10
 
 /** Number of sensors **/
-#define NUMSENSORS 1
+#define NUMSENSORS 4
 
-#define FILENAMESIZE 10
+typedef enum SensorId {
+       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 data recorded by a sensor at an instant in time **/
 typedef struct
 {
        /** Time at which data was taken **/
-       float time;
+       double time_stamp; 
        /** Value of data **/
-       float value;
+       double value;
 } DataPoint;
 
 /** Structure to represent a sensor **/
 typedef struct
 {
        /** ID number of the sensor **/
-       enum {SENSOR_TEST0=0, SENSOR_TEST1=1} id;
+       SensorId 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];
+       /** Number of points read **/
+       long points_read;
+       /** Binary file to write data into when buffer is full **/
+       FILE * file;
        /** Thread running the sensor **/
        pthread_t thread;
        /** Mutex to protect access to stuff **/
@@ -49,12 +54,16 @@ typedef struct
        
 } Sensor;
 
-/** Array of Sensors **/
-extern Sensor g_sensors[];
 
-extern void Sensor_Init(Sensor * s, int id); // Initialise sensor
+
+
+extern void Sensor_Spawn(); // Initialise sensor
+extern void Sensor_Join(); //Join sensor threads
 extern void * Sensor_Main(void * args); // main loop for sensor thread; pass a Sensor* cast to void*
 
+extern int Sensor_Query(Sensor * s, DataPoint * buffer, int bufsiz); // fill buffer with sensor data
+
+extern void Sensor_Handler(FCGIContext *context, char * params);
 
 #endif //_SENSOR_H