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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... ... @@ -1,1 +1,1 @@ 1 -XWiki. Bei1 +XWiki.Edwin - Content
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... ... @@ -11,13 +11,11 @@ 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 Softwarefor 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 == ... ... @@ -370,7 +370,7 @@ 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 ... ... @@ -402,19 +402,19 @@ 402 402 403 403 **Command:** 404 404 405 -**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. 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. 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" %) ... ... @@ -432,9 +432,20 @@ 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. ... ... @@ -442,7 +442,7 @@ 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 g obackto 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) ===