X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=server%2Fsensor.h;h=55b7d89d2c2deffc1bb5f2d67fd96e86e2c5a588;hb=1a311e29d6b72830d62e2cba21c1b9e33433cfbf;hp=b9a5aaded02aea4d1903bfd3ab19d699c139415e;hpb=733a9b968264c48b5340693ce17e1874c1aeff77;p=matches%2FMCTX3420.git diff --git a/server/sensor.h b/server/sensor.h index b9a5aad..55b7d89 100644 --- a/server/sensor.h +++ b/server/sensor.h @@ -1,17 +1,71 @@ - /** * @file sensor.h - * @purpose Declarations for sensor thread related stuff + * @brief Declarations for sensor thread related stuff */ - - #ifndef _SENSOR_H #define _SENSOR_H +#include "data.h" + +/** Number of sensors **/ +#define NUMSENSORS 4 + +/** Safety Values for sensors **/ +//TODO: Probably better to use an array instead +#define ANALOG_TEST0_SAFETY 1000 +#define ANALOG_TEST1_SAFETY 1000 +#define DIGITAL_TEST0_SAFETY 1 +#define DIGITAL_TEST1_SAFETY 1 + + +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 a sensor **/ +typedef struct +{ + /** ID number of the sensor **/ + SensorId id; + /** 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; + /** Most recently recorded data **/ + DataPoint newest_data; + +} Sensor; + + +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_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); // Handle a FCGI request for Sensor data -extern void * Sensor_Main(void * args); // main loop for sensor thread #endif //_SENSOR_H