0xA4 - sd_ble_gatts_value_set

Function packet format

Frame format encoding of the sd_ble_gatts_value_set packet.

Operation Code = 0xA4 (164) for sd_ble_gatts_value_set, see BLE_GATTS_SVCS.

The parameter provided as input to sd_ble_gatts_value_set is encoded in the following order:

- 1 byte:		Operation Code, Value = 0xA4 (164)
- 2 bytes:		Attribute Handle
- 2 bytes:		Offset
- 1 byte:		Length Present
		0x00 Field not present
		0x01 Field present and follows immediately in the packet
- 2 byte:		Conditional: Length
- 1 byte:		Attribute Value Present
		0x00 Field not present
		0x01 Field present and follows immediately in the packet
- 0...Length bytes:		Conditional: The number of bytes encoded is specified by the Length field.

Figure 1: Packet format for sd_ble_gatts_value_set function.

Response packet format

Frame format encoding of the sd_ble_gatts_value_set response packet.

In case of an error, the following data is encoded:

- 1 byte:		Operation Code, Value = 0xA4 (164)
- 4 byte:		nRF Error Code

Figure 2: Packet format for sd_ble_gatts_value_set error response.

In case of a successful command, i.e. 'nRF Error Code' = NRF_SUCCESS, the following data is encoded:

- 1 byte:		Operation Code, Value = 0xA4 (164)
- 4 bytes:		Return Code
- 2 bytes:		Length of bytes written

Figure 3: Packet format for sd_ble_gatts_value_set function response.