PING instruction

Use the PING EVENT instruction to verify that the device is still present, or to keep the communication channel open. Using this instruction, the device answers both on the Bulk_In and on the Interrupt_In endpoint.

INS value

INS = 00

Command

Field Value Explanations
CLA 00 Class = PROTOCOL
INS 01 Instruction = PING_EVENT
Data (empty)

Response on the Bulk_In endpoint

Field Value Explanations
CLA 00 Class = PROTOCOL
STA 00 Success
Data (empty)

Notification on the Interrupt_In endpoint

Field Value Explanations
CLA 00 Class = PROTOCOL
STA 00 Success
Data (empty)