docs(readme): add instructions for burning E907 firmware

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taorye 2022-11-09 20:09:47 +08:00
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- Use the type-c usb cable to connect from the PC side to the UART port of the board
- Keep the `BOOT` button pressed and click `RST` button, then release the `BOOT` button
- Startup `BLDevCube Tools` and choose `BL808` chip
- Configure the tool according to the label below, finally click `Create & Download` will start to download firmware
@ -74,9 +76,22 @@
- Configure the tool according to the label below, finally click `Create & Download` will start to download firmware
![image-20221018233819623](assets/image-20221018233819623.png)
![image-20221018233819623](assets/
image-20221018233819623.png)
4. About partition table files
4. Download e907 firmware
- Use the type-c usb cable to connect from the PC side to the UART port of the board
- Keep the `BOOT` button pressed and click `RST` button, then release the `BOOT` button
- Startup `BLDevCube Tools` and choose `BL808` chip
- Configure the tool according to the label below, finally click `Create & Download` will start to download firmware
![image-20221109200656](assets/image-20221109200656.jpg)
5. About partition table files
The partition table of bl808 is written in toml file format. You can specify the flash size used by the firmware by modifying the partition table.