S132 SoftDevice v2.0.0
User memory layout for System Attributes

The following table shows the memory layout used by the SoftDevice to store a system attribute.

System Attribute
Parameter Size (octets) Description
Handle 2 Attribute handle
Length 2 Attribute length
Data Length Attribute data

The application can obtain an array of system attributes by using sd_ble_gatts_sys_attr_get(). The array is terminated by a CRC-16-CCITT checksum of the data in the array.

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