X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=server%2Fsensor.h;h=b2bb63c2fc952d5e387e4e53cdf2b341067e8c97;hb=27ff700c938e48bd88ca63575d65575150d9e842;hp=32e1e2da318c690730ac45528de37c37b629429f;hpb=8dfd2def9f3c84c4d85c073d07912a22e107713f;p=matches%2FMCTX3420.git diff --git a/server/sensor.h b/server/sensor.h index 32e1e2d..b2bb63c 100644 --- a/server/sensor.h +++ b/server/sensor.h @@ -7,70 +7,90 @@ #define _SENSOR_H #include "data.h" +#include "device.h" +/** + * Maximum number of sensors program can be compiled with + * (If you get an error "Increase SENSORS_MAX from %d" this is what it refers to) + */ +#define SENSORS_MAX 10 +extern int g_num_sensors; // in sensor.c -/** Number of sensors **/ -#define NUMSENSORS 10 -/** Sensor ids - there should be correspondence with the names in g_sensor_names **/ -typedef enum SensorId +/** Structure to define the warning and error thresholds of the sensors **/ +//TODO: Replace with a call to an appropriate "Sanity" function? (see the actuator code) +typedef struct { - STRAIN0, - STRAIN1, - STRAIN2, - STRAIN3, - PRESSURE0, - PRESSURE1, - PRESSURE_FEEDBACK, - MICROPHONE, - ENCLOSURE, - DILATOMETER -} SensorId; - - - -/** Human readable names for the sensors **/ -extern const char * g_sensor_names[NUMSENSORS]; + /** Maximum safe value **/ + double max_error; + /** Minimum safe value **/ + double min_error; + /** Maximum value before a warning is reported **/ + double max_warn; + /** Minimum value before a warning is reported **/ + double min_warn; +} SensorThreshold; /** Structure to represent a sensor **/ typedef struct { /** ID number of the sensor **/ - SensorId id; + int id; + /** User defined ID number **/ + int user_id; /** DataFile to store sensor values in **/ DataFile data_file; /** Indicates whether the Sensor is active or not **/ bool activated; /** Thread the Sensor is running in **/ pthread_t thread; - /** Most recently recorded data **/ - DataPoint newest_data; - + /** Function to read the sensor **/ + ReadFn read; + /** Function to initialise the sensor **/ + InitFn init; + /** Function to cleanup the sensor **/ + CleanFn cleanup; + /** Function to sanity check the sensor readings **/ + SanityFn sanity; + /** Human readable name of the sensor **/ + const char * name; + /** Sampling rate **/ + struct timespec sample_time; + /** Number of averages per sample **/ + int averages; + /** Current data **/ + DataPoint current_data; + + /** Summed data **/ + DataPoint averaged_data; + /** Number of points read so far before applying average **/ + int num_read; + + } 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; -} SensorThreshold; + extern void Sensor_Init(); // One off initialisation of *all* sensors +extern void Sensor_Cleanup(); // Cleanup all sensors extern void Sensor_SetModeAll(ControlModes mode, void * arg); extern void Sensor_SetMode(Sensor * s, ControlModes mode, void * arg); 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, double value); // Check a DataPoint -extern Sensor * Sensor_Identify(const char * str); // Identify a Sensor from a string Id +//extern bool Sensor_Read(Sensor * s, DataPoint * d); // Read a single DataPoint, indicating if it has changed since the last one +extern Sensor * Sensor_Identify(const char * str); // Identify a Sensor from a string extern void Sensor_Handler(FCGIContext *context, char * params); // Handle a FCGI request for Sensor data +extern DataPoint Sensor_LastData(int id); + +extern const char * Sensor_GetName(int id); + + + #endif //_SENSOR_H