X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=server%2Fsensor.h;h=36fdb2719e178e4256a051287a19383e01396be5;hb=41bb73186e41a5601407a4d39bfd8c6817c02d74;hp=e51ab0c5579e7abd0fc2424cb5463044a69c038d;hpb=72077d49c8dcf079d52a266717a8bda9db9db0ab;p=matches%2FMCTX3420.git diff --git a/server/sensor.h b/server/sensor.h index e51ab0c..36fdb27 100644 --- a/server/sensor.h +++ b/server/sensor.h @@ -1,46 +1,67 @@ - /** * @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 + +/** Safety Values for sensors **/ +#define ANALOG_TEST0_SAFETY 1000 +#define ANALOG_TEST1_SAFETY 1000 +#define DIGITAL_TEST0_SAFETY 1 +#define DIGITAL_TEST1_SAFETY 1 + -#define FILENAMESIZE 10 +typedef enum SensorId { + ANALOG_TEST0, + ANALOG_TEST1, + DIGITAL_TEST0, + DIGITAL_TEST1 +} SensorId; + +typedef enum +{ + JSON, // JSON data + CSV, // Comma seperated vector + TSV // Tab seperated vector +} OutputType; + +/** 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; + /** Number of points written to file **/ + long points_written; + /** 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 +70,16 @@ 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