ble_common.h

 
#ifndef BLE_COMMON_H__
#define BLE_COMMON_H__
 
#include <stdbool.h>
#include <stdint.h>
#include <ble_gap.h>
#include <ble_gatt.h>
#include <zephyr/sys/byteorder.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define ATT_OPCODE_LEN sizeof(uint8_t)
 
#define ATT_HANDLE_LEN sizeof(uint16_t)
 
#define BYTES_TO_WORDS(n_bytes) (((n_bytes) + 3) >> 2)
 
static inline bool is_notification_enabled(const uint8_t *gatts_value)
{
        const uint16_t cccd_val = sys_get_le16(gatts_value);
 
        return (cccd_val & BLE_GATT_HVX_NOTIFICATION);
}
 
static inline bool is_indication_enabled(const uint8_t *gatts_value)
{
        const uint16_t cccd_val = sys_get_le16(gatts_value);
 
        return (cccd_val & BLE_GATT_HVX_INDICATION);
}
 
static inline bool ble_gap_conn_sec_mode_equal(const ble_gap_conn_sec_mode_t *a,
                                               const ble_gap_conn_sec_mode_t *b)
{
        return (a->sm == b->sm) && (a->lv == b->lv);
}
 
#define BLE_GAP_CONN_SEC_MODE_NO_ACCESS                                                            \
        (ble_gap_conn_sec_mode_t)                                                                  \
        {                                                                                          \
                .sm = 0, .lv = 0                                                                   \
        }
 
#define BLE_GAP_CONN_SEC_MODE_OPEN                                                                 \
        (ble_gap_conn_sec_mode_t)                                                                  \
        {                                                                                          \
                .sm = 1, .lv = 1                                                                   \
        }
 
#define BLE_GAP_CONN_SEC_MODE_ENC_NO_MITM                                                          \
        (ble_gap_conn_sec_mode_t)                                                                  \
        {                                                                                          \
                .sm = 1, .lv = 2                                                                   \
        }
 
#define BLE_GAP_CONN_SEC_MODE_ENC_WITH_MITM                                                        \
        (ble_gap_conn_sec_mode_t)                                                                  \
        {                                                                                          \
                .sm = 1, .lv = 3                                                                   \
        }
 
#define BLE_GAP_CONN_SEC_MODE_LESC_ENC_WITH_MITM                                                   \
        (ble_gap_conn_sec_mode_t)                                                                  \
        {                                                                                          \
                .sm = 1, .lv = 4                                                                   \
        }
 
#ifdef __cplusplus
}
#endif
 
#endif /* BLE_COMMON_H__ */