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Last modified by Xiaoling on 2025/06/12 15:06
From version 117.2
edited by Xiaoling
on 2025/03/29 09:04
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To version 123.1
edited by Mengting Qiu
on 2025/04/02 11:20
Change comment: There is no comment for this version

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1 -XWiki.Xiaoling
1 +XWiki.ting
Content
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621 621  
622 622  When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle.
623 623  
624 -**Frequency：**
624 +**Frequency:**
625 625  
626 626  (% class="MsoNormal" %)
627 -(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=0, **(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period（HZ）;
627 +(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=0, **(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period(HZ);
628 628  
629 629  (% class="MsoNormal" %)
630 -(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=1, **(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period（HZ）;
630 +(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=1, **(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period(HZ);
631 631  
632 632  
633 633  (% class="MsoNormal" %)
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704 704  Digital in(PB15)&Digital Interrupt(PA8)
705 705  )))|(% style="width:308px" %)(((
706 706  Temperature
707 -
708 708  (TEMP117)
709 709  )))|(% style="width:154px" %)(((
710 710  Reserved position, meaningless
711 -
712 712  (0x0000)
713 713  )))
714 714  
... ... @@ -783,7 +783,7 @@
783 783  
784 784  If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
785 785  
786 -（FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
784 +(FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
787 787  
788 788  
789 789  ==== 2.3.3.3 Digital Input ====
... ... @@ -873,11 +873,34 @@
873 873  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656379339508-835.png?rev=1.1||alt="1656379339508-835.png"]]
874 874  
875 875  
876 -In **MOD=1**, user can use byte 6 to see the status for door open or close. TTN V3 decoder is as below:
874 +(% style="color:blue" %)**Application in different modes:**
877 877  
878 -door= (bytes[6] & 0x80)? "CLOSE":"OPEN";
876 +* In **MOD=1**, user can use byte 6 to see the status for door open or close. TTN V3 decoder is as below:
879 879  
878 + door= (bytes[6] & 0x80)? "CLOSE":"OPEN";
880 880  
880 +
881 +* In **MOD=7**, there are three interrupt pins in effect.
882 +
883 +See the **[[AT+INTMODx>>||anchor="H3.3.3SetInterruptMode"]] **command explained to set the three pin interrupt modes.
884 +
885 +As you can see from the byte parsing table of pattern 7, the seventh byte of the original load is used to display the PA8 pin interrupt flag and status, the eighth byte of the original load is used to display the PA4 pin interrupt flag and status, and the ninth byte of the original load is used to display the PB15 pin interrupt flag and status.
886 +
887 +[[image:image-20250402103902-1.png]]
888 +
889 +TTN V3 decoder is as below:
890 +
891 +[[image:image-20250402104508-2.png||height="255" width="579"]]
892 +
893 +(% style="color:red" %)**Note: mode in decoding is sorted from 0, so it corresponds to the actual working mode AT+MOD=7.**
894 +
895 +
896 +(% style="color:#037691" %)**Interrupt flag: **(%%)"EXTI1/2/3_Trigger", indicates whether the uplink packet is generated by an interrupt on the PA8/PA4/PB15 pin.
897 +
898 +
899 +(% style="color:#037691" %)**Interrupt status: **(%%)"EXTI1/2/3_Status", Displays the status of the interrupt sensors connected to the PA4/PA8/PB15 interrupt pins when the packet is uplinked.
900 +
901 +
881 881  ==== 2.3.3.6 I2C Interface (SHT20 & SHT31) ====
882 882  
883 883  
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994 994  a) If real-time control output is required, the SN50v3-LB/LS is already operating in class C and an external power supply must be used.
995 995  
996 996  b) If the output duration is more than 30 seconds, better to use external power source. 
1018 +
1019 +
1020 +
997 997  )))
998 998  
999 999  ==== 2.3.3.13  Working MOD ====
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1154 1154  
1155 1155  (% style="color:#037691" %)**AT Command:**(% style="color:blue" %)** **(% style="color:#4472c4" %)**AT+INTMODx=a,b**
1156 1156  
1157 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:420px" %)
1158 -|=(% style="width: 116px; background-color: rgb(79, 129, 189); color: white;" %)**Parameter **|=(% style="width: 392px; background-color: rgb(79, 129, 189); color: white;" %)**Values and functions**
1181 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:420px" %)
1182 +|=(% style="width: 116px; background-color: rgb(79, 129, 189); color: white;" %)**Parameter **|=(% style="width: 304px; background-color: rgb(79, 129, 189); color: white;" %)**Values and functions**
1159 1159  |(% style="width:116px" %)(((
1160 1160  
1161 1161  
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1188 1188  
1189 1189  **Example:**
1190 1190  
1191 -* AT+INTMOD1=0,0  ~/~/Disable the PA8 pin interrupt function
1192 -* AT+INTMOD2=2,1000  ~/~/Set the interrupt of the PA4 pin to be triggered by the falling edge, however, the interrupt will only be triggered if the low level state remains 1000ms
1193 -* AT+INTMOD3=3,2500  ~/~/Set the interrupt of the PB15 pin to be triggered by the rising edge, however, the interrupt will only be triggered if the high level state remains 2500ms
1215 +* AT+INTMOD1=0,0  ~/~/ Disable the PA8 pin interrupt function
1216 +* AT+INTMOD2=2,1000  ~/~/ Set the interrupt of the PA4 pin to be triggered by the falling edge, however, the interrupt will only be triggered if the low level state remains 1000ms
1217 +* AT+INTMOD3=3,2500  ~/~/ Set the interrupt of the PB15 pin to be triggered by the rising edge, however, the interrupt will only be triggered if the high level state remains 2500ms
1194 1194  
1195 1195  (% style="color:#037691" %)**Downlink Command:**(% style="color:blue" %)** **(% style="color:#4472c4" %)**0x06 00 aa bb cc**
1196 1196  
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1361 1361  )))
1362 1362  
1363 1363  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1364 -|=(% style="width: 155px; background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 112px; background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 242px; background-color:#4F81BD;color:white" %)**parameters**
1388 +|=(% style="width: 155px; background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 112px; background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 243px; background-color:#4F81BD;color:white" %)**parameters**
1365 1365  |(% colspan="1" rowspan="3" style="width:155px" %)(((
1366 1366  AT+PWMOUT=a,b,c
1367 1367  
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