ble_qwr.h

 
#ifndef BLE_QWR_H__
#define BLE_QWR_H__
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdint.h>
#include <stdbool.h>
#include <ble.h>
#include <bm/softdevice_handler/nrf_sdh_ble.h>
 
#define BLE_QWR_DEF(_name)                                                                         \
        static struct ble_qwr _name;                                                               \
        NRF_SDH_BLE_OBSERVER(_name##_obs, ble_qwr_on_ble_evt, &_name, HIGH)
 
/* Error code used by the module to reject prepare write requests on non-registered attributes. */
#define BLE_QWR_REJ_REQUEST_ERR_CODE BLE_GATT_STATUS_ATTERR_APP_BEGIN + 0
 
enum ble_qwr_evt_type {
        BLE_QWR_EVT_EXECUTE_WRITE,
        BLE_QWR_EVT_AUTH_REQUEST,
        BLE_QWR_EVT_ERROR,
};
 
struct ble_qwr_evt {
        enum ble_qwr_evt_type evt_type;
        union {
                struct {
                        uint16_t attr_handle;
                } exec_write;
                struct {
                        uint16_t attr_handle;
                } auth_req;
                struct {
                        uint32_t reason;
                } error;
        };
};
 
/* Forward declaration of the struct ble_qwr. */
struct ble_qwr;
 
typedef uint16_t (*ble_qwr_evt_handler_t)(struct ble_qwr *qwr, const struct ble_qwr_evt *evt);
 
struct ble_qwr {
        uint32_t initialized;
        ble_qwr_evt_handler_t evt_handler;
        uint16_t conn_handle;
        bool is_user_mem_reply_pending;
#if (CONFIG_BLE_QWR_MAX_ATTR > 0)
        uint16_t attr_handles[CONFIG_BLE_QWR_MAX_ATTR];
        uint8_t nb_registered_attr;
        uint16_t written_attr_handles[CONFIG_BLE_QWR_MAX_ATTR];
        uint8_t nb_written_handles;
        ble_user_mem_block_t mem_buffer;
#endif
};
 
struct ble_qwr_config {
        ble_qwr_evt_handler_t evt_handler;
#if (CONFIG_BLE_QWR_MAX_ATTR > 0)
        ble_user_mem_block_t mem_buffer;
#endif
};
 
uint32_t ble_qwr_init(struct ble_qwr *qwr, const struct ble_qwr_config *qwr_config);
 
uint32_t ble_qwr_conn_handle_assign(struct ble_qwr *qwr, uint16_t conn_handle);
 
void ble_qwr_on_ble_evt(const ble_evt_t *ble_evt, void *ble_qwr);
 
#if (CONFIG_BLE_QWR_MAX_ATTR > 0)
uint32_t ble_qwr_attr_register(struct ble_qwr *qwr, uint16_t attr_handle);
 
uint32_t ble_qwr_value_get(struct ble_qwr *qwr, uint16_t attr_handle, uint8_t *mem, uint16_t *len);
#endif /* (CONFIG_BLE_QWR_MAX_ATTR > 0) */
 
#ifdef __cplusplus
}
#endif
 
#endif /* BLE_QWR_H__ */