Macros
#define	ATT_VAL_LOC_USER (1 << 15)

#define	ATT_VAL_LOC_STACK (0 << 15)

#define	ATT_UUID_TYPE_SET(uuid_len) ((uuid_len) << 13)

#define	ATT_ENC_KEY_SIZE_16 (0x1000)

Detailed Description

Attribute extend permission

15	14–13	12	11–0
VL	UUID_LEN	EKS	RESERVED

Bit [0-11] : Reserved
Bit [12] : Encryption key size must be 16 bytes (0 = not need; 1 = need)
Bit [14-13]: UUID length type (0 = 16 bits; 2 = 128 bits)
Bit [15] : Value location (0 = value saved in BLE Stack; 1 = value saved in user space)

Macro Definition Documentation

◆ ATT_ENC_KEY_SIZE_16

#define ATT_ENC_KEY_SIZE_16 (0x1000)

16 bytes attribute encryption key size .

◆ ATT_UUID_TYPE_SET

#define ATT_UUID_TYPE_SET ( uuid_len ) ((uuid_len) << 13)

Attribute UUID length set. See Attribute and Service UUID Type

◆ ATT_VAL_LOC_STACK

#define ATT_VAL_LOC_STACK (0 << 15)

Value location which means value saved in BLE Stack.

◆ ATT_VAL_LOC_USER

#define ATT_VAL_LOC_USER (1 << 15)