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1		-XWiki.Xiaoling
	1	+XWiki.Edwin

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		-)))
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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43	43	|(% style="width:179px" %)AT+DI2TODO2=2 |(% style="width:177px" %)AT+DI2TODO2=2
44	44	|(% style="width:179px" %)AT+DI2TORO2=2|(% style="width:177px" %)AT+DI2TORO2=2
45	45
46		-
47		-
48	48	=== 2.2.3 Serial port display ===
49	49
50	50
...	...	@@ -372,7 +372,7 @@
372	372	)))
373	373
374	374
375		-=== 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) ===
376	376
377	377
378	378	**AT+TRIGx=a          **Trigger transmit directly without triggering time
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404	404
405	405	**Command:**
406	406
407		-**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.
	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.
408	408
409	409
410		-=== 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 transmit LT. (LT1) and receiver LT (LT2)(Since firmware 1.3.2) ===
411	411
412	412
413		-AT+DI1TODO1= maps value[,latch time]
	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.
414	414
415		-AT+DI1TORO1= maps value[,latch time]
416	416
417		-AT+DI2TODO2= maps value[,latch time]
	412	+AT+DI1TODO1= maps value[,latch time, timeout_state]
418	418
419		-AT+DI2TORO2= maps value[,latch time]
	414	+AT+DI1TORO1= maps value[,latch time, timeout_state]
420	420
	416	+AT+DI2TODO2= maps value[,latch time, timeout_state]
421	421
	418	+AT+DI2TORO2= maps value[,latch time, timeout_state]
	419	+
	420	+
422	422	(% border="1" style="background-color:#f7faff; color:black; width:774px" %)
423	423	|(% style="width:105px" %) **Maps value**|(% style="width:415px" %)**DIx to DOx**|(% style="width:249px" %)**DIx to ROx**
424	424	|(% style="width:105px" %)0|(% style="width:415px" %)No Action|(% style="width:249px" %)No Action
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434	434	)))
435	435	|(% style="width:105px" %)3|(% style="width:415px" %)DOx state flip|(% style="width:249px" %)ROx state flip
436	436
437		-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	+**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.
438	438
439	439
	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	+
440	440	(% style="color:blue" %)**Case1**:
441	441
442	442	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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444	444
445	445	(% style="color:blue" %)**Case2**:
446	446
447		-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.
	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.
448	448
449	449
450	450	=== 2.3.3 Save the RO/DO status during power off(Since firmware 1.3) ===
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483	483
484	484	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.
485	485
	496	+In sleep mode, DORO will keep its initial state if AT+DOROSAVE=2, otherwise DORO will be in OFF state
486	486
	498	+
487	487	== 2.4 Data Format ==
488	488
489	489
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492	492	)))
493	493
494	494	(((
495		-(% style="color:blue" %)**Payload:**
	507	+(% style="color:blue" %)**Payload:Payload triggered by TDC or DI**
496	496	)))
497	497
498	498	(% border="1" style="background-color:#f7faff; color:black; width:825px" %)
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623	623	ACK
624	624	)))|(% style="width:85px" %)(((
625	625	(((
626		-DO1&
627		-DO1 level
	638	+DOI1&
	639	+DOI2 level
628	628	)))
629	629	)))|(% style="width:90px" %)(((
630	630	DI1TODO1
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655	655
656	656	(((
657	657	(((
658		-(% style="color:#037691" %)**The fourth byte**(%%)**:**  the high four bits are 1 to represent DO1, and the low four bits are the level of DO1 when the interrupt is triggered.
	670	+(% style="color:#037691" %)**The fourth byte**(%%)**:**  the high four bits are 1 to represent DOI1, and the low four bits are the level of DOI2 when the interrupt is triggered.
659	659	)))
660	660	)))
661	661