Version 28.1 by Karry Zhuang on 2024/04/22 17:23

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Karry Zhuang 26.1 1 = 1. Prepare Hardware & Software =
Edwin Chen 2.1 2
Karry Zhuang 25.1 3 * Update Tool:
Edwin Chen 2.1 4 * Hardware: Sensor, Converter
Karry Zhuang 28.1 5 * Software:
Edwin Chen 2.1 6 * Firmware:
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Karry Zhuang 26.1 8 = 2. Hardware Connection =
Edwin Chen 2.1 9
Karry Zhuang 25.1 10 The data cable should be connected to the AIS (note: there is no camera on this side), while the computer should be connected on the other side.
Edwin Chen 2.1 11
Karry Zhuang 25.1 12 [[image:image-20240419145552-1.jpeg||height="399" width="476"]] [[image:image-20240419145552-2.jpeg||height="395" width="395"]]
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Karry Zhuang 26.1 14 = 3.OTA UART flash =
Karry Zhuang 25.1 15
16 Open the OTA_Tool folder and put the latest firmware "layout.bin" and "output. img" into the img folder.
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18 [[image:1713510920220-760.png||height="219" width="816"]]
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20 The OTA_Tool folder should be opened and the program can be run by double-clicking on ota.exe.
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22 [[image:1713511385474-910.png||height="452" width="804"]]
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24 When the program opens, follow these steps.
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26 1 Select the chip type. AIS uses QFN72. Press 2 to select QFN72
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28 2 Select an upgrade mode. AIS supports serial port upgrade only. Press 2 to select Uart protocol
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30 3 Select a port number. For example, the serial port number is COM17. Press 1 to select COM17
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32 4 Select the baud rate. The default baud rate is 921600. Press 14 to select 921600
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Karry Zhuang 27.1 34 [[image:1713511914316-181.png||height="754" width="865"]]
Karry Zhuang 25.1 35 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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Karry Zhuang 27.1 37 [[image:1713513351848-254.png||height="477" width="861"]]x
Karry Zhuang 25.1 38
39 Select 1 to check whether the configured port is correct.
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Karry Zhuang 27.1 41 [[image:1713513373484-487.png||height="472" width="856"]]
Karry Zhuang 25.1 42
43 Select 2 is port is after normal communication with AIS.
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Karry Zhuang 27.1 45 [[image:1713513478607-793.png||height="471" width="851"]]
Karry Zhuang 25.1 46
47 Press 0, press Enter, and select 2 to go to the upgrade surface.
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Karry Zhuang 27.1 49 [[image:1713513522820-547.png||height="467" width="847"]]
Karry Zhuang 25.1 50
Karry Zhuang 27.1 51 [[image:1713513544122-175.png||height="467" width="845"]]
Karry Zhuang 25.1 52
53 Select 2 to enter the upgrade.
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Karry Zhuang 27.1 55 [[image:1713513668777-698.png||height="464" width="840"]]
Karry Zhuang 25.1 56
57 If ReBoot WEI is displayed as shown in the following figure, the upgrade succeeds.
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Karry Zhuang 27.1 59 [[image:1713513732175-702.png||height="354" width="836"]]