Differences

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--- surepet [2021/02/02 10:14] – mark
+++ surepet [2021/02/02 19:12] (current) – mark
@@ Line 18: / Line 18: @@
 {{https://user-images.githubusercontent.com/6843129/78118319-24d8c300-7407-11ea-93b5-406c375d5ade.png}}
+The best link so fare is:
+https://github.com/alextoft/sureflap/issues/17
+{{https://user-images.githubusercontent.com/72194966/103685603-cfc96f00-4f8d-11eb-8d42-e3b6fa46dcba.png}}
@@ Line 30: / Line 36: @@
 So instead for now we are using a UZBee+.
-{{https://www.digchip.com/prod/photo/1128071-UZBEEPLUS.jpg}}
+{{https://www.digchip.com/prod/photo/1128071-UZBEEPLUS.jpg?100}}
+After creating a simple sniffer tool, when the "setup" button on the SurePet device is pressed, the following packet is received:
+b'+PDAI=1343C832FFFFFFFF6E2A02C0F9D5B370072FECE8\r\n'
+The MAC address is printed on the bottom of the device, This matches the above packet.
+C832FFFFFFFF6E2A02C0F9D5B370072FECE8
+=Length
+So
+C832FFFFFFFF6E2A02C0F9D5B370072FECE8
+E2A02C0F9D5B370=Mac (reversed)
+The P2P protocol is documented in the following document:
+https://ww1.microchip.com/downloads/en/DeviceDoc/00001204C.pdf
+So the full payload decodes as:
+  * 43C8=Frame Control
+  * 32=Sequence Number
+  * FFFF=Destination PAN ID
+  * FFFF=Destination Address
+  * Source PAN ID (0 bytes)
+  * 6E2A02C0F9D5B370=Source Address
+  * 072F=Payload
+  * ECE8=Frame Check
+And the Frame Control:
+C8=
+Test 1:
+
+CC01
+
+FFFF
+B3D5F9C0022A6E
+B3D5F9C0022AD4BE
+  * CC01=Frame Control
+  * 00=Sequence Number
+  * FFFF=Destination PAN ID
+  * 70B3D5F9C0022A6E=Destination Address
+  * Source PAN ID (0 bytes)
+  * 70B3D5F9C0022AD4=Source Address
+  * 072F=Payload
+  * ECE8=Frame Check