zigpc_common_observable.h

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/******************************************************************************
 * # License
 * <b>Copyright 2020 Silicon Laboratories Inc. www.silabs.com</b>
 ******************************************************************************
 * The licensor of this software is Silicon Laboratories Inc. Your use of this
 * software is governed by the terms of Silicon Labs Master Software License
 * Agreement (MSLA) available at
 * www.silabs.com/about-us/legal/master-software-license-agreement. This
 * software is distributed to you in Source Code format and is governed by the
 * sections of the MSLA applicable to Source Code.
 *
 *****************************************************************************/
 
#ifndef ZIGPC_COMMON_OBSERVER_H
#define ZIGPC_COMMON_OBSERVER_H
 
#include <stdint.h>
 
#include "sl_status.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define ZIGPC_OBSERVER_EVENTS_MAX 20
 
#define ZIGPC_OBSERVER_EVENT_CALLBACKS_MAX 5
 
typedef uint8_t zigpc_observer_event_t;
 
typedef void (*zigpc_observer_callback_t)(void *data);
 
struct zigpc_observable_event_entry {
  zigpc_observer_event_t event;
  zigpc_observer_callback_t callbacks[ZIGPC_OBSERVER_EVENT_CALLBACKS_MAX];
};
 
struct zigpc_observable {
  struct zigpc_observable_event_entry event_list[ZIGPC_OBSERVER_EVENTS_MAX];
  uint8_t event_count;
};
 
sl_status_t zigpc_observable_notify(const struct zigpc_observable *observable,
                                    const zigpc_observer_event_t event,
                                    void *data);
sl_status_t zigpc_observable_register(struct zigpc_observable *observable,
                                      const zigpc_observer_event_t event,
                                      zigpc_observer_callback_t callback);
sl_status_t
  zigpc_observable_unregister(struct zigpc_observable *observable,
                              const zigpc_observer_event_t event,
                              const zigpc_observer_callback_t callback);
 
sl_status_t zigpc_observable_init(struct zigpc_observable *observable,
                                  const zigpc_observer_event_t *event_list,
                                  const uint8_t event_count);
 
void zigpc_observable_clear(struct zigpc_observable *observable);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZIGPC_COMMON_OBSERVER_H */