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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... ... @@ -2,7 +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 +10,74 @@ 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 +(% style="color:#037691" %)**A's configuration: ** **B's configuration:** 36 + 37 +((( 38 +AT+GROUPMOD=0 AT+GROUPMOD=0 39 +))) 40 + 41 +((( 42 +AT+TXCHS=868700000 AT+TXCHS=869000000 43 +))) 44 + 45 +((( 46 +AT+RXCHS=869000000 AT+RXCHS=868700000 47 +))) 48 + 49 +((( 50 +AT+TRIG1=2,50 AT+TRIG1=2,50 51 +))) 52 + 53 +((( 54 +AT+TRIG2=2,50 AT+TRIG2=2,50 55 +))) 56 + 57 +((( 58 +AT+DI1TODO1=2 AT+DI1TODO1=2 59 +))) 60 + 61 +((( 62 +AT+DI1TORO1=2 AT+DI1TORO1=2 63 +))) 64 + 65 +((( 66 +AT+DI2TODO2=2 AT+DI2TODO2=2 67 +))) 68 + 69 +((( 70 +AT+DI2TORO2=2 AT+DI2TORO2=2 71 +))) 72 + 73 + 74 +== **2.3. Serial port display** == 75 + 76 +[[image:image-20220602111219-2.png]] 77 + 78 + 79 +[[image:image-20220602111219-3.png]] 80 + 81 +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. 82 + 15 15
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