X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=server%2Fsensor.h;h=bd43fc19adce9e012afbfdacd44c218ad651d979;hb=de5c190385d1b963a3fe1f3c186dc0b3efa31bc4;hp=89dae330ef56d812a4d830e7dcd3d73d305ccdfd;hpb=685168f14cc0129bc5f49e476602d223563e6660;p=matches%2FMCTX3420.git diff --git a/server/sensor.h b/server/sensor.h index 89dae33..bd43fc1 100644 --- a/server/sensor.h +++ b/server/sensor.h @@ -6,82 +6,67 @@ #ifndef _SENSOR_H #define _SENSOR_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 +#include "data.h" /** Number of sensors **/ -#define NUMSENSORS 4 +#define NUMSENSORS 6 -/** Safety Values for sensors **/ -#define ANALOG_TEST0_SAFETY 1000 -#define ANALOG_TEST1_SAFETY 1000 -#define DIGITAL_TEST0_SAFETY 1 -#define DIGITAL_TEST1_SAFETY 1 - - -typedef enum SensorId { +typedef enum SensorId +{ ANALOG_TEST0, ANALOG_TEST1, + ANALOG_FAIL0, DIGITAL_TEST0, - DIGITAL_TEST1 + DIGITAL_TEST1, + DIGITAL_FAIL0 } 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 **/ - double time_stamp; - /** Value of data **/ - double value; -} DataPoint; /** Structure to represent a sensor **/ typedef struct { /** ID number of the sensor **/ 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; - /** 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; - /** Number of data points stored in file **/ - long points_stored; - /** Thread running the sensor **/ + /** 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; +// 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_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_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); +extern void Sensor_Handler(FCGIContext *context, char * params); // Handle a FCGI request for Sensor data #endif //_SENSOR_H +