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Last modified by Xiaoling on 2025/06/12 15:06
From version 117.3
edited by Xiaoling
on 2025/03/29 09:07
Change comment: There is no comment for this version
To version 122.1
edited by Mengting Qiu
on 2025/04/02 11:17
Change comment: There is no comment for this version

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1 -XWiki.Xiaoling
1 +XWiki.ting
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781 781  
782 782  If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
783 783  
784 -（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)
785 785  
786 786  
787 787  ==== 2.3.3.3 Digital Input ====
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871 871  [[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"]]
872 872  
873 873  
874 -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:**
875 875  
876 -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:
877 877  
878 + door= (bytes[6] & 0x80)? "CLOSE":"OPEN";
878 878  
880 +
881 +* In **MOD=7**, there are three interrupt pins in effect.
882 +
883 +See the AT+INTMODx 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 +
879 879  ==== 2.3.3.6 I2C Interface (SHT20 & SHT31) ====
880 880  
881 881  
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992 992  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.
993 993  
994 994  b) If the output duration is more than 30 seconds, better to use external power source. 
1018 +
1019 +
1020 +
995 995  )))
996 996  
997 997  ==== 2.3.3.13  Working MOD ====
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1146 1146  * Downlink Payload: **06 00 01 02     **~/~/ Equal to AT+INTMOD2=2
1147 1147  * Downlink Payload: **06 00 02 03     **~/~/ Equal to AT+INTMOD3=3
1148 1148  
1175 +
1149 1149  ==== 3.3.3.2 Since V1.3.4 firmware ====
1150 1150  
1151 1151  (% style="color:red" %)**Note: Since V1.3.4 firmware, the Interrupt function has added a new parameter to set the delay time, i.e. the state hold time.**
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1152 1152  
1153 1153  (% style="color:#037691" %)**AT Command:**(% style="color:blue" %)** **(% style="color:#4472c4" %)**AT+INTMODx=a,b**
1154 1154  
1155 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:420px" %)
1156 -|=(% 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**
1182 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:420px" %)
1183 +|=(% 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**
1157 1157  |(% style="width:116px" %)(((
1158 1158  
1159 1159  
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1186 1186  
1187 1187  **Example:**
1188 1188  
1189 -* AT+INTMOD1=0,0  ~/~/Disable the PA8 pin interrupt function
1190 -* 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
1191 -* 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
1216 +* AT+INTMOD1=0,0  ~/~/ Disable the PA8 pin interrupt function
1217 +* 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
1218 +* 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
1192 1192  
1193 1193  (% style="color:#037691" %)**Downlink Command:**(% style="color:blue" %)** **(% style="color:#4472c4" %)**0x06 00 aa bb cc**
1194 1194  
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1359 1359  )))
1360 1360  
1361 1361  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1362 -|=(% 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**
1389 +|=(% 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**
1363 1363  |(% colspan="1" rowspan="3" style="width:155px" %)(((
1364 1364  AT+PWMOUT=a,b,c
1365 1365  
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