Skip to main content

Update Firmware for AI Sensor

1. Prepare Hardware & Software​

  • Update Tool: OTA_Tool
  • Hardware: AIS Sensor, AUC USB TTL Adapter for AIS Sensors, PC
  • Firmware: Digital wheel dial firmware，Pointer dial firmware
  • The AIS node's factory default firmware is digital wheel dial. To change it to pointer wheel firmware, please contact your supplier for pointer wheel firmware.
  • Digital wheel decoder, pointer dial decoder
  • To switch to a different type of dial reading, you will need to replace the files in three areas: the node firmware, the camera firmware, and the decoder.

2. Hardware Connection​

The AIS Sensors and AUC USB TTL Adapter for AIS Sensors are connected and then connected to the PC.

image

image

image

image

3. OTA UART flash​

Open the OTA_Tool folder and put the latest firmware "layout.bin" and "output. img" into the img folder.

image

The OTA_Tool folder should be opened and the program can be run by double-clicking on ota.exe.

image

When the program opens, follow these steps.

1 Select the chip type. AIS uses QFN72. Press 2 to select QFN72

2 Select an upgrade mode. AIS supports serial port upgrade only. Press 2 to select Uart protocol

3 Select a port number.The instance device port number is 17.Press 1 to select COM17

4 Select the baud rate. The default baud rate is 921600. Press 14 to select 921600

image

After the baud rate is configured, the upgrade page is displayed. 1 is to check whether the communication port is correct.

image

Select 1 to check whether the configured port is correct.

image

Select 2 is port is after normal communication with AIS.

image

Press 0, press Enter, and select 2 to go to the upgrade surface.

image

image

Select 2 to enter the upgrade.

image

If ReBoot WEI is displayed as shown in the following figure, the upgrade succeeds.

image

Note: After successfully upgrading and connecting to the node, the first thing to do is to enter AT+FDR to reset the node and use the camera normally.