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Version 36.1 by Karry Zhuang on 2024/04/26 14:37
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5 **Table of Contents:**
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7 {{toc/}}
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15 = 1. Prepare Hardware & Software =
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17 * Update Tool:OTA_Tool
18 * Hardware: Sensor, Converter
19 * Firmware:
20
21 = 2. Hardware Connection =
22
23 The AI Sensors and UART are connected and then connected to the PC.
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25 [[image:image-20240424145937-3.png||height="629" width="544"]]
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27 [[image:image-20240424145824-1.gif]][[image:image-20240424145847-2.jpeg||height="359" width="478"]]
28
29 = 3.OTA UART flash =
30
31 Open the OTA_Tool folder and put the latest firmware "layout.bin" and "output. img" into the img folder.
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33 [[image:1713510920220-760.png||height="219" width="816"]]
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35 The OTA_Tool folder should be opened and the program can be run by double-clicking on ota.exe.
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37 [[image:1713511385474-910.png||height="452" width="804"]]
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39 When the program opens, follow these steps.
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41 1 Select the chip type. AIS uses QFN72. Press 2 to select QFN72
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43 2 Select an upgrade mode. AIS supports serial port upgrade only. Press 2 to select Uart protocol
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45 3 Select a port number. Choose the largest number of serial port, For example, here shows 16 and 17. Press 1 to select COM17
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47 4 Select the baud rate. The default baud rate is 921600. Press 14 to select 921600
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49 [[image:1713511914316-181.png||height="754" width="865"]]
50 After the baud rate is configured, the upgrade page is displayed. 1 is to check whether the communication port is correct.
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52 [[image:1713513351848-254.png||height="477" width="861"]]x
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54 Select 1 to check whether the configured port is correct.
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56 [[image:1713513373484-487.png||height="472" width="856"]]
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58 Select 2 is port is after normal communication with AIS.
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60 [[image:1713513478607-793.png||height="471" width="851"]]
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62 Press 0, press Enter, and select 2 to go to the upgrade surface.
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64 [[image:1713513522820-547.png||height="467" width="847"]]
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66 [[image:1713513544122-175.png||height="467" width="845"]]
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68 Select 2 to enter the upgrade.
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70 [[image:1713513668777-698.png||height="464" width="840"]]
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72 If ReBoot WEI is displayed as shown in the following figure, the upgrade succeeds.
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74 [[image:1713513732175-702.png||height="354" width="836"]]