Host Protocols Direct Protocol CONTROL class Configuration READ REGISTER
April 13, 2023 at 2:39 AMREAD_REGISTER
Role
Read the value of a register from the non-volatile memory.
This function is suitable to read either a constant register (address 0100 to 01FF), a configuration register (address 0200 to 02FF), a template register (address 0300 to 03FF) or a statistics register (address 0400 to 04FF) from the non-volatile memory.
Access condition
Depending on the configuration-defined access conditions and on the type of host interface (Local / Remote), this instruction may either be freely usable, restricted to communications authenticated by HostCommAdminKey only, or disabled.
Command
| Data | Value |
|---|---|
| CLA | 58 (CONTROL) |
| INS | 81 |
| Data | 2 bytes: address of the register (MSB-first) |
Response
| Bytes | Content |
|---|---|
| 0-N | Current register value (empty if not defined in the non-volatile memory) |