123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990 |
- #ifndef _PCILIB_EVENT_H
- #define _PCILIB_EVENT_H
- #include <pcilib.h>
- typedef struct {
- size_t max_events;
- pcilib_timeout_t duration;
- } pcilib_autostop_parameters_t;
- typedef struct {
- pcilib_event_rawdata_callback_t callback;
- void *user;
- } pcilib_rawdata_parameters_t;
- typedef struct {
- size_t max_threads;
- } pcilib_parallel_parameters_t;
- typedef struct {
- pcilib_autostop_parameters_t autostop;
- pcilib_rawdata_parameters_t rawdata;
- pcilib_parallel_parameters_t parallel;
- } pcilib_event_parameters_t;
- struct pcilib_event_context_s {
- pcilib_event_parameters_t params;
- pcilib_t *pcilib;
- };
- typedef struct {
- pcilib_event_t evid;
- const char *name;
- const char *description;
- } pcilib_event_description_t;
- typedef struct {
- pcilib_event_data_type_t data_type;
- pcilib_event_t evid;
- const char *name;
- const char *description;
- } pcilib_event_data_type_description_t;
- typedef enum {
- PCILIB_STREAMING_STOP = 0, /**< stop streaming */
- PCILIB_STREAMING_CONTINUE = 1, /**< wait the default DMA timeout for a new data */
- PCILIB_STREAMING_WAIT = 2, /**< wait the specified timeout for a new data */
- PCILIB_STREAMING_CHECK = 3, /**< do not wait for the data, bail out imideatly if no data ready */
- PCILIB_STREAMING_FAIL = 4, /**< fail if data is not available on timeout */
- PCILIB_STREAMING_REQ_FRAGMENT = 5, /**< only fragment of a packet is read, wait for next fragment and fail if no data during DMA timeout */
- PCILIB_STREAMING_REQ_PACKET = 6, /**< wait for next packet and fail if no data during the specified timeout */
- PCILIB_STREAMING_TIMEOUT_MASK = 3 /**< mask specifying all timeout modes */
- } pcilib_streaming_action_t;
- /*
- * get_data: This call is used by get_data and copy_data functions of public
- * interface. When copy_data is the caller, the data parameter will be passed.
- * Therefore, depending on data the parameter, the function should behave
- * diferently. If get get_data function is used (buf == NULL), the caller is
- * expected to call return_data afterwards. Otherwise, if buf != NULL and
- * copy_data is used, the return call will not be executed.
- * Still, the get_data function is not obliged to return the data in the
- * passed buf, but a reference to the staticaly allocated memory may be
- * returned instead. The copy can be managed by the envelope function.
- */
- typedef struct {
- pcilib_context_t *(*init)(pcilib_t *ctx);
- void (*free)(pcilib_context_t *ctx);
- pcilib_dma_context_t *(*init_dma)(pcilib_context_t *ctx);
- int (*reset)(pcilib_context_t *ctx);
- int (*start)(pcilib_context_t *ctx, pcilib_event_t event_mask, pcilib_event_flags_t flags);
- int (*stop)(pcilib_context_t *ctx, pcilib_event_flags_t flags);
- int (*trigger)(pcilib_context_t *ctx, pcilib_event_t event, size_t trigger_size, void *trigger_data);
-
- int (*stream)(pcilib_context_t *ctx, pcilib_event_callback_t callback, void *user);
- int (*next_event)(pcilib_context_t *ctx, pcilib_timeout_t timeout, pcilib_event_id_t *evid, size_t info_size, pcilib_event_info_t *info);
- int (*get_data)(pcilib_context_t *ctx, pcilib_event_id_t event_id, pcilib_event_data_type_t data_type, size_t arg_size, void *arg, size_t *size, void **data);
- int (*return_data)(pcilib_context_t *ctx, pcilib_event_id_t event_id, pcilib_event_data_type_t data_type, void *data);
- } pcilib_event_api_description_t;
- int pcilib_init_event_engine(pcilib_t *ctx);
- #endif /* _PCILIB_EVENT_H */
|