Changes between Version 9 and Version 10 of Letibee
- Timestamp:
- Nov 5, 2010, 1:21:04 AM (14 years ago)
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Letibee
v9 v10 75 75 On the USB port, the APDU is appended with a frame delimiter 0xFF at its beginning, followed by the frame length. 76 76 77 [[Image(frame_usb.png, 40%, center)]]77 [[Image(frame_usb.png, 50%, center)]] 78 78 79 79 Figure 4 : Frame format over the USB port. … … 95 95 ==== PING operations ==== 96 96 If the sink receives a Ping Request from the Gateway: 97 97 98 * For each node 98 ** Send a Ping Request Frame (with echoes if no response is received) via mesh module.99 ** Waits for a Ping Response Frame from the node (other responses are ignored) or the timeout100 101 # Ping request 99 * Send a Ping Request Frame (with echoes if no response is received) via mesh module. 100 * Waits for a Ping Response Frame from the node (other responses are ignored) or the timeout 101 102 ===== Ping request ===== 102 103 The Ping Request frame is initiated by a sink to ping a node so has for instance to check it is still alive. It can also be initiated by a node. 103 104 104 # Ping response 105 ===== Ping response ===== 105 106 The Ping Response frame is sent in response to a Ping request frame. It provides the number of hops to reach the node which initiated the ping request. 106 107