3 * @brief Declarations for sensor thread related stuff
9 /** Number of data points to keep in sensor buffers **/
10 #define SENSOR_DATABUFSIZ 10
11 /** Size of the query buffer. @see Sensor_Handler **/
12 #define SENSOR_QUERYBUFSIZ 10
14 /** Number of sensors **/
17 typedef enum SensorId {
24 /** Human readable names for the sensors **/
25 extern const char * g_sensor_names[NUMSENSORS];
27 /** Structure to represent data recorded by a sensor at an instant in time **/
30 /** Time at which data was taken **/
36 /** Structure to represent a sensor **/
39 /** ID number of the sensor **/
41 /** Buffer to store data from the sensor **/
42 DataPoint buffer[SENSOR_DATABUFSIZ];
43 /** Index of last point written in the data buffer **/
45 /** Number of points read **/
47 /** Binary file to write data into when buffer is full **/
49 /** Number of data points stored in file **/
51 /** Thread running the sensor **/
53 /** Mutex to protect access to stuff **/
54 pthread_mutex_t mutex;
62 extern void Sensor_Spawn(); // Initialise sensor
63 extern void Sensor_Join(); //Join sensor threads
64 extern void * Sensor_Main(void * args); // main loop for sensor thread; pass a Sensor* cast to void*
66 extern int Sensor_Query(Sensor * s, DataPoint * buffer, int bufsiz); // fill buffer with sensor data
68 extern void Sensor_Handler(FCGIContext *context, char * params);
70 extern void Sensor_Handler2(FCGIContext *context, char *params);