Changes for page Point to Point Communication of LT-22222-L
Last modified by Edwin Chen on 2022/11/22 09:38
Change comment:
There is no comment for this version
Summary
-
Page properties (2 modified, 0 added, 0 removed)
Details
- Page properties
-
- Author
-
... ... @@ -1,1 +1,1 @@ 1 -XWiki. Edwin1 +XWiki.Bei - Content
-
... ... @@ -11,11 +11,13 @@ 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 == ... ... @@ -368,7 +368,7 @@ 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 ... ... @@ -400,19 +400,19 @@ 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 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 -AT+DI1TODO1= maps value[,latch time , timeout_state]411 +AT+DI1TODO1= maps value[,latch time] 410 410 411 -AT+DI1TORO1= maps value[,latch time , timeout_state]413 +AT+DI1TORO1= maps value[,latch time] 412 412 413 -AT+DI2TODO2= maps value[,latch time , timeout_state]415 +AT+DI2TODO2= maps value[,latch time] 414 414 415 -AT+DI2TORO2= maps value[,latch time , timeout_state]417 +AT+DI2TORO2= maps value[,latch time] 416 416 417 417 418 418 (% border="1" style="background-color:#f7faff; color:black; width:774px" %) ... ... @@ -430,20 +430,9 @@ 430 430 ))) 431 431 |(% style="width:105px" %)3|(% style="width:415px" %)DOx state flip|(% style="width:249px" %)ROx state flip 432 432 433 - **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.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. 434 434 435 435 436 -**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 - 447 447 (% style="color:blue" %)**Case1**: 448 448 449 449 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. ... ... @@ -451,7 +451,7 @@ 451 451 452 452 (% style="color:blue" %)**Case2**: 453 453 454 -AT+DI1TODO1=1,60 ,1~/~/ LT2 DO1 will follow LT1 DI1 trigger command, DO1 will keep the status 60 seconds and thenchangeto 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. 455 455 456 456 457 457 === 2.3.3 Save the RO/DO status during power off(Since firmware 1.3) === ... ... @@ -490,9 +490,7 @@ 490 490 491 491 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. 492 492 493 -In sleep mode, DORO will keep its initial state if AT+DOROSAVE=2, otherwise DORO will be in OFF state 494 494 495 - 496 496 == 2.4 Data Format == 497 497 498 498 ... ... @@ -501,7 +501,7 @@ 501 501 ))) 502 502 503 503 ((( 504 -(% style="color:blue" %)**Payload: Payload triggered by TDC or DI**493 +(% style="color:blue" %)**Payload:** 505 505 ))) 506 506 507 507 (% border="1" style="background-color:#f7faff; color:black; width:825px" %)