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11	11
12	12
13	13	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:
14		-)))
15	15
16		-(((
17		-[[Point to Point Software for LT-22222-L>>https://github.com/dragino/LT-22222-L]].
	15	+* [[Source Code>>https://github.com/dragino/LT-22222-L]].
	16	+* [[Firmware>>https://github.com/dragino/LT-22222-L/releases]].
18	18	)))
19	19
20		-
21	21	= 2. Features for this firmware =
22	22
23	23	== 2.1  Point To Point ==
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370	370	)))
371	371
372	372
373		-=== 2.3.1 TRIG command is configured in the transmit LT. (LT1)(Since firmware 1.3) ===
	371	+=== 2.3.1 TRIG command is configured in the transmit LT. (LT1)(Since firmware 1.3.2) ===
374	374
375	375
376	376	**AT+TRIGx=a          **Trigger transmit directly without triggering time
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405	405	**AT+TRIG2=2,50,60**  Once there is falling edge or rising edge on DI2 of LT1, LT1 will transmit trigger to LT2 and LT2 can sync the status of RO/DO. After power off, power on, LT1 will send trigger without falling/rising edge, so the DI changes during power off will be sync as well.
406	406
407	407
408		-=== 2.3.2 RO/DO is configured in the receiver LT (LT2)(Since firmware 1.3) ===
	406	+=== 2.3.2 RO/DO is configured in the receiver LT (LT2)(Since firmware 1.3.2) ===
409	409
410	410
411		-AT+DI1TODO1= maps value[,latch time]
	409	+AT+DI1TODO1= maps value[,latch time, timeout_state]
412	412
413		-AT+DI1TORO1= maps value[,latch time]
	411	+AT+DI1TORO1= maps value[,latch time, timeout_state]
414	414
415		-AT+DI2TODO2= maps value[,latch time]
	413	+AT+DI2TODO2= maps value[,latch time, timeout_state]
416	416
417		-AT+DI2TORO2= maps value[,latch time]
	415	+AT+DI2TORO2= maps value[,latch time, timeout_state]
418	418
419	419
420	420	(% border="1" style="background-color:#f7faff; color:black; width:774px" %)
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432	432	)))
433	433	|(% style="width:105px" %)3|(% style="width:415px" %)DOx state flip|(% style="width:249px" %)ROx state flip
434	434
435		-latch time, if latch time is defined, DO or RO will go back to the original status after latch time, if there is a new trigger comes, the LT2 will use the new latch time settings and ignore the old one.
	433	+**latch time**, if latch time is defined, DO or RO will go back to the original status after latch time, if there is a new trigger comes, the LT2 will use the new latch time settings and ignore the old one.
436	436
437	437
	436	+**Timeout_State**:
	437	+
	438	+0: **No change** after timeout
	439	+
	440	+1: Change to **DO:0** or **RO: Open** after timeout
	441	+
	442	+2: Change to **DO:1** or **RO: Close** after timeout
	443	+
	444	+3: Change **back to state** before last trigger arrive.
	445	+
	446	+
438	438	(% style="color:blue" %)**Case1**:
439	439
440	440	AT+DI1TODO1=1  ~/~/ LT2 DO1 will follow LT1 DI1 trigger command, if DI1 of LT1 is trigger high, DO1 of LT2 will output low, if DI1 of LT1 is trigger low, DO2 of LT2 will output high.
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442	442
443	443	(% style="color:blue" %)**Case2**:
444	444
445		-AT+DI1TODO1=1,60  ~/~/ LT2 DO1 will follow LT1 DI1 trigger command, DO1 will keep the status 60 seconds and then go back to original state.
	454	+AT+DI1TODO1=1,60,1  ~/~/ LT2 DO1 will follow LT1 DI1 trigger command, DO1 will keep the status 60 seconds and then change to open.
446	446
447	447
448	448	=== 2.3.3 Save the RO/DO status during power off(Since firmware 1.3) ===