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Author

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1		-XWiki.Edwin
	1	+XWiki.Bei

Content

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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	+)))
14	14
15		-* [[Source Code>>https://github.com/dragino/LT-22222-L]].
16		-* [[Firmware>>https://github.com/dragino/LT-22222-L/releases]].
	16	+(((
	17	+[[Point to Point Software for LT-22222-L>>https://github.com/dragino/LT-22222-L]].
17	17	)))
18	18
	20	+
19	19	= 2. Features for this firmware =
20	20
21	21	== 2.1  Point To Point ==
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368	368	)))
369	369
370	370
371		-=== 2.3.1 TRIG command is configured in the transmit LT. (LT1)(Since firmware 1.3.2) ===
	373	+=== 2.3.1 TRIG command is configured in the transmit LT. (LT1)(Since firmware 1.3) ===
372	372
373	373
374	374	**AT+TRIGx=a          **Trigger transmit directly without triggering time
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400	400
401	401	**Command:**
402	402
403		-**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.
	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.
404	404
405	405
406		-=== 2.3.2 RO/DO is configured in the transmit LT. (LT1) and receiver LT (LT2)(Since firmware 1.3.2) ===
	408	+=== 2.3.2 RO/DO is configured in the receiver LT (LT2)(Since firmware 1.3) ===
407	407
408	408
409		-(% style="color:red" %)**Notice:**(%%)** **LT1 **MUST** have a AT+DIxTODOx commands to send out the trigger. If LT2 has AT+DIxTOROx configured, LT2 will follow its configured and ignore LT1's AT+DIxTOROx settings.
	411	+AT+DI1TODO1= maps value[,latch time]
410	410
	413	+AT+DI1TORO1= maps value[,latch time]
411	411
412		-AT+DI1TODO1= maps value[,latch time, timeout_state]
	415	+AT+DI2TODO2= maps value[,latch time]
413	413
414		-AT+DI1TORO1= maps value[,latch time, timeout_state]
	417	+AT+DI2TORO2= maps value[,latch time]
415	415
416		-AT+DI2TODO2= maps value[,latch time, timeout_state]
417	417
418		-AT+DI2TORO2= maps value[,latch time, timeout_state]
419		-
420		-
421	421	(% border="1" style="background-color:#f7faff; color:black; width:774px" %)
422	422	|(% style="width:105px" %) **Maps value**|(% style="width:415px" %)**DIx to DOx**|(% style="width:249px" %)**DIx to ROx**
423	423	|(% style="width:105px" %)0|(% style="width:415px" %)No Action|(% style="width:249px" %)No Action
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433	433	)))
434	434	|(% style="width:105px" %)3|(% style="width:415px" %)DOx state flip|(% style="width:249px" %)ROx state flip
435	435
436		-**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.
	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.
437	437
438	438
439		-**Timeout_State**:
440		-
441		-0: **No change** after timeout
442		-
443		-1: Change to **DO:0** or **RO: Open** after timeout
444		-
445		-2: Change to **DO:1** or **RO: Close** after timeout
446		-
447		-3: Change **back to state** before last trigger arrive.
448		-
449		-
450	450	(% style="color:blue" %)**Case1**:
451	451
452	452	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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454	454
455	455	(% style="color:blue" %)**Case2**:
456	456
457		-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.
	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.
458	458
459	459
460	460	=== 2.3.3 Save the RO/DO status during power off(Since firmware 1.3) ===
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493	493
494	494	When DI2 is enabled as sleep pin, a falling trigger (with 500ms pulse) will set LT into sleep mode. A raising trigger will wake up it again.
495	495
496		-In sleep mode, DORO will keep its initial state if AT+DOROSAVE=2, otherwise DORO will be in OFF state
497	497
498		-
499	499	== 2.4 Data Format ==
500	500
501	501
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504	504	)))
505	505
506	506	(((
507		-(% style="color:blue" %)**Payload:Payload triggered by TDC or DI**
	493	+(% style="color:blue" %)**Payload:**
508	508	)))
509	509
510	510	(% border="1" style="background-color:#f7faff; color:black; width:825px" %)