File syn_ble_att.c

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Zero-Heap Attribute Protocol (ATT) Implementation.

• #include "syn_ble_att.h"
• #include <string.h>

Public Functions

Type	Name
SYN_Status	syn_ble_att_encode_error_rsp (uint8_t req_opcode, uint16_t handle, uint8_t err_code, uint8_t * buf, uint16_t * len) Encode ATT Error Response.
SYN_Status	syn_ble_att_encode_mtu_rsp (uint16_t server_mtu, uint8_t * buf, uint16_t * len) Encode ATT Exchange MTU Response.
SYN_Status	syn_ble_att_encode_notification (uint16_t handle, const uint8_t * val, uint16_t val_len, uint8_t * buf, uint16_t * len) Encode ATT Handle Value Notification.
SYN_Status	syn_ble_att_encode_read_rsp (const uint8_t * val, uint16_t val_len, uint8_t * buf, uint16_t * len) Encode ATT Read Response.
SYN_Status	syn_ble_att_encode_write_rsp (uint8_t * buf, uint16_t * len) Encode ATT Write Response.

Public Functions Documentation

function syn_ble_att_encode_error_rsp

Encode ATT Error Response.

SYN_Status syn_ble_att_encode_error_rsp (
    uint8_t req_opcode,
    uint16_t handle,
    uint8_t err_code,
    uint8_t * buf,
    uint16_t * len
) 

Parameters:

• req_opcode Request Opcode.
• handle Attribute Handle.
• err_code Error Code.
• buf Output Buffer.
• len Output Length Pointer.

Returns:

SYN_OK on success.

---

function syn_ble_att_encode_mtu_rsp

Encode ATT Exchange MTU Response.

SYN_Status syn_ble_att_encode_mtu_rsp (
    uint16_t server_mtu,
    uint8_t * buf,
    uint16_t * len
) 

Parameters:

• server_mtu Server MTU.
• buf Output Buffer.
• len Output Length Pointer.

Returns:

SYN_OK on success.

---

function syn_ble_att_encode_notification

Encode ATT Handle Value Notification.

SYN_Status syn_ble_att_encode_notification (
    uint16_t handle,
    const uint8_t * val,
    uint16_t val_len,
    uint8_t * buf,
    uint16_t * len
) 

Parameters:

• handle Attribute Handle.
• val Value bytes.
• val_len Value length.
• buf Output Buffer.
• len Output Length Pointer.

Returns:

SYN_OK on success.

---

function syn_ble_att_encode_read_rsp

Encode ATT Read Response.

SYN_Status syn_ble_att_encode_read_rsp (
    const uint8_t * val,
    uint16_t val_len,
    uint8_t * buf,
    uint16_t * len
) 

Parameters:

• val Value bytes.
• val_len Value length.
• buf Output Buffer.
• len Output Length Pointer.

Returns:

SYN_OK on success.

---

function syn_ble_att_encode_write_rsp

Encode ATT Write Response.

SYN_Status syn_ble_att_encode_write_rsp (
    uint8_t * buf,
    uint16_t * len
) 

Parameters:

• buf Output Buffer.
• len Output Length Pointer.

Returns:

SYN_OK on success.

---

---

The documentation for this class was generated from the following file src/syntropic/ble/syn_ble_att.c