Changes for page Point to Point Communication of LT-22222-L
Last modified by Edwin Chen on 2022/11/22 09:38
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... ... @@ -2,14 +2,48 @@ 2 2 {{toc/}} 3 3 {{/box}} 4 4 5 -= Overview = 5 += **1. Overview** = 6 6 7 +((( 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: 9 +))) 8 8 11 +((( 9 9 [[Point to Point Software for LT-22222-L>>https://github.com/dragino/LT-22222-L]]. 13 +))) 10 10 11 11 == == 12 12 13 -= Features for this firmware :=17 += **2. Features for this firmware** = 14 14 19 + 20 +== **2.1 Overview** == 21 + 22 +[[image:image-20220602111219-1.png]] 23 + 24 + 25 +== **2.2. Configure** == 26 + 27 +(% border="1" style="background-color:#f7faff; color:black; width:500px" %) 28 +|=**A's configuration**|=**B's configuration** 29 +|AT+GROUPMOD=0|AT+GROUPMOD=0 30 +|AT+TXCHS=868700000|AT+TXCHS=869000000 31 +|AT+RXCHS=869000000|AT+RXCHS=868700000 32 +|AT+TRIG1=2,50|AT+TRIG1=2,50 33 +|AT+TRIG2=2,50|AT+TRIG2=2,50 34 +|AT+DI1TODO1=2|AT+DI1TODO1=2 35 +|AT+DI1TORO1=2|AT+DI1TORO1=2 36 +|AT+DI2TODO2=2 |AT+DI2TODO2=2 37 +|AT+DI2TORO2=2|AT+DI2TORO2=2 38 + 39 +== **2.3. Serial port display** == 40 + 41 + 42 +[[image:image-20220602111219-2.png]] 43 + 44 + 45 +[[image:image-20220602111219-3.png]] 46 + 47 +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. 48 + 15 15
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