Wiki source code of Set uplinkdwell time
Hide last authors
| author | version | line-number | content |
|---|---|---|---|
 |
2.2 | 1 | (% class="wikigeneratedid" %) |
| 2 | **Contents:** | ||
| 3 | |||
| 4 | {{toc/}} | ||
| 5 | |||
| |
6.2 | 6 | |
| 7 | |||
| 8 | |||
| |
1.2 | 9 | = 1. Introduction = |
| |
1.1 | 10 | |
| |
1.2 | 11 | This chapter introduces how users can change the uplinkdwell time. |
| |
1.1 | 12 | |
| |
3.2 | 13 | |
| |
1.2 | 14 | = 2. Default uplinkdwelltime = |
| |
1.1 | 15 | |
| |
1.2 | 16 | Take AS923 frequency band as an example. We can see the spread spectrum factor corresponding to the data rate. |
| |
1.1 | 17 | |
| |
3.2 | 18 | [[image:image-20220527091341-1.png]] |
| |
1.1 | 19 | |
| |
6.2 | 20 | |
| |
1.2 | 21 | The device default uplinkdwelltime=1, there are SF7, SF8, SF9 and SF10. |
| |
1.1 | 22 | |
| |
1.2 | 23 | If users want to ues SF11 and SF12, they need to set uplinkdwelltime=0. |
| |
1.1 | 24 | |
| |
1.2 | 25 | Users can use AT commands to set uplinkdwell time. |
| |
1.1 | 26 | |
| |
5.2 | 27 | [[image:image-20220527091422-2.png]] |
| |
1.1 | 28 | |
| 29 | |||
| |
5.2 | 30 | [[image:image-20220527091503-3.png]] |
| 31 | |||
| 32 | |||
| |
1.2 | 33 | = 3. Use AT command to set uplinkdwell time = |
| |
1.1 | 34 | |
| |
1.2 | 35 | 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. |
| |
1.1 | 36 | |
| |
6.1 | 37 | * Use AT command: (% style="color:#4f81bd" %)**AT+DWELLT=0**(%%), set to Uplink Dwelltime=0. |
| 38 | * Use AT command: (% style="color:#4f81bd" %)**AT+DWELLT=1**(%%), set to Uplink Dwelltime=1. | ||
| |
1.1 | 39 | |
| |
1.2 | 40 | Or via application downlink command: |
| |
1.1 | 41 | |
| |
6.1 | 42 | * Downlink Payload:** (% style="color:#4f81bd" %)0x2500(%%)**, Set AT+DWELLT=0 to uplink. |
| 43 | * Downlink Payload: (% style="color:#4f81bd" %)**0x2501**(%%), Set AT+DWELLT=1 to uplink. |