Changes for page Point to Point Communication of LT-22222-L
Last modified by Edwin Chen on 2022/11/22 09:38
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -2,7 +2,7 @@ 2 2 {{toc/}} 3 3 {{/box}} 4 4 5 -= Overview = 5 += **1. Overview** = 6 6 7 7 Shipped LT-22222-L is base on LoRaWAN protocol. We also develop a open source Point to Point LoRa protocol for LT-22222-L. The source code and hex file can be found at: 8 8 ... ... @@ -10,6 +10,36 @@ 10 10 11 11 == == 12 12 13 -= Features for this firmware :=13 += **2. Features for this firmware** = 14 14 15 + 16 +== **2.1 Overview** == 17 + 18 +[[image:image-20220602111219-1.png]] 19 + 20 + 21 +== **2.2. Configure** == 22 + 23 +(% border="1" style="background-color:#f7faff; color:black; width:500px" %) 24 +|=**A's configuration**|=**B's configuration** 25 +|AT+GROUPMOD=0|AT+GROUPMOD=0 26 +|AT+TXCHS=868700000|AT+TXCHS=869000000 27 +|AT+RXCHS=869000000|AT+RXCHS=868700000 28 +|AT+TRIG1=2,50|AT+TRIG1=2,50 29 +|AT+TRIG2=2,50|AT+TRIG2=2,50 30 +|AT+DI1TODO1=2|AT+DI1TODO1=2 31 +|AT+DI1TORO1=2|AT+DI1TORO1=2 32 +|AT+DI2TODO2=2 |AT+DI2TODO2=2 33 +|AT+DI2TORO2=2|AT+DI2TORO2=2 34 + 35 + 36 +== **2.3. Serial port display** == 37 + 38 +[[image:image-20220602111219-2.png]] 39 + 40 + 41 +[[image:image-20220602111219-3.png]] 42 + 43 +If the sender does not get the ACK reply from the receiver, it will retransmit up to 4 times, each interval is 6 seconds, and the UplinkCounter of the retransmission will not increase. 44 + 15 15