Host Protocols Direct Protocol CONTROL class Actions RESET
April 13, 2023 at 2:39 AMRESET
Role
Perform a reset of the firmware. This instruction also allows to restart the device in bootloader (firmware-upgrade) mode.
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 or restricted to authenticated communications.
Command
| Field | Value |
|---|---|
| CLA | 58 (CONTROL) |
| INS | 8E |
| Data | - Soft reset: No data - Hard reset: 2 bytes, value= DEAD- Restart in bootloader mode: 2 bytes, value= FADA- Silent Soft reset (only available on some products): 2 bytes, value= CAFE- Special mode (only available on some products): 2 bytes, value= 5350 |
Warning
Not all hardware are able to perform a hard reset. For devices where this feature is not available, the instruction is emulated by a soft reset.
Response
None