Wiki source code of Set uplinkdwell time
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2.2 | 1 | (% class="wikigeneratedid" %) |
| 2 | **Contents:** | ||
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| 4 | {{toc/}} | ||
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1.2 | 6 | = 1. Introduction = |
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1.1 | 7 | |
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1.2 | 8 | This chapter introduces how users can change the uplinkdwell time. |
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1.1 | 9 | |
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3.2 | 10 | |
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1.2 | 11 | = 2. Default uplinkdwelltime = |
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1.1 | 12 | |
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1.2 | 13 | Take AS923 frequency band as an example. We can see the spread spectrum factor corresponding to the data rate. |
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1.1 | 14 | |
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3.2 | 15 | [[image:image-20220527091341-1.png]] |
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1.1 | 16 | |
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1.2 | 17 | The device default uplinkdwelltime=1, there are SF7, SF8, SF9 and SF10. |
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1.1 | 18 | |
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1.2 | 19 | If users want to ues SF11 and SF12, they need to set uplinkdwelltime=0. |
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1.1 | 20 | |
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1.2 | 21 | Users can use AT commands to set uplinkdwell time. |
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1.1 | 22 | |
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1.2 | 23 | [[image:https://wiki.dragino.com/images/thumb/b/bb/Uplinkdwelltime1.png/600px-Uplinkdwelltime1.png||alt="Uplinkdwelltime1.png" height="511" width="600"]] |
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1.1 | 24 | |
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1.2 | 25 | [[image:https://wiki.dragino.com/images/thumb/7/78/Uplinkdwelltime2.png/600px-Uplinkdwelltime2.png||alt="Uplinkdwelltime2.png" height="301" width="600"]] |
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1.1 | 26 | |
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1.2 | 27 | = 3. Use AT command to set uplinkdwell time = |
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1.1 | 28 | |
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1.2 | 29 | Since Dragino LoRaWAN Stack DR_LWS_005, user is able to set the uplink Dwelltime in AS923 and AU915 manual or use a application side downlink command to set it. |
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1.1 | 30 | |
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1.2 | 31 | * Use AT command: AT+DWELLT=0, set to Uplink Dwelltime=0. |
| 32 | * Use AT command: AT+DWELLT=1, set to Uplink Dwelltime=1. | ||
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1.1 | 33 | |
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1.2 | 34 | Or via application downlink command: |
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1.1 | 35 | |
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1.2 | 36 | * Downlink Payload: 0x2500, Set AT+DWELLT=0 to uplink. |
| 37 | * Downlink Payload: 0x2501, Set AT+DWELLT=1 to uplink. |