Host Protocols Direct Protocol PROTOCOL class PING
September 3, 2025 at 8:28 AMPING instruction
Use the PING instruction to verify that the device is still present, or to keep the communication channel open.
INS value
INS = 00
Command
| Field | Value | Explanations |
|---|---|---|
| CLA | 00 |
Class = PROTOCOL |
| INS | 00 |
Instruction = PING |
| Data | (empty) |
Response
| Field | Value | Explanations |
|---|---|---|
| CLA | 00 |
Class = PROTOCOL |
| STA | 00 |
Success |
| Data | (empty) |