Webduino firmware programming

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Revision as of 23:02, 23 February 2019 by Sinovoip (talk | contribs) (Auto Flash工具)
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firmware Bin file

File and burn position corresponding
FileName Function
bit_default.bin BPI-BIT Webduino standard firmware
bit_stable.bin BPI-BIT stable version Webduino firmware
boot_app0.bin Espressif-WROOM-32 master core program
partitions.bin BPI-BIT Webduino firmware partition table file
bootloader_dio_40m.bin Espressif-WROOM-32 bootloader(It is applicable to the DIO burning mode with a speed of 40MHz)

Burning BPI:bit webduino firmware in Windows system

A special Webduino version have been developed for bpi:bit. Of course, before using it, we need to program bpi:bit flash with the Webduino firmware.

Note: bpi:bit has been programmed Webduino firmware by default. Only when you reprogram the flash with other firmware, will you need to program Webduino firmware again.

Firmware download address:Webduino for bpi:bit Firmware


Tool download address:ESP Flash Download Tool

After downloading, unzip the archive and you will see an ESPFlashDownloadTool_v3.6.4.exe inside the folder. Open this shortcut and open an interface selection mode.

  • Double-click to open espflashdownloadtool_v3.6.4.exe and select ESP32 DownloadTool to start
Webduino burn 1.png

Select ESP32 DownloadTool:

  • Check the four-line selection box, fill in the following four addresses 0x1000, 0x8000, 0xe000, 0x10000 in the box next to the column, and then select the corresponding file according to the following corresponding relations:
Webduino burn 2.jpg

Under `Download Path Config`, we need to select the four bin files that need to be burned and fill in the corresponding burn locations.

  • Verify the burn Settings, File and burn position corresponding to:

Burning webduino firmware step 2.png

File and burn position corresponding
set file name Position
1 bootloader_dio_40m.bin 0x1000
2 partitions.bin 0x8000
3 boot_app0.bin 0xe000
4 bit_default.bin 0x10000

- SpiFlashConfig:

1 CrystalFreq 40M
5 COM COMx(Fill in the port number assigned by the computer)
6 BAUD 1152000

Note : Where COMx is the serial number your system assigns to the board

Normally, you do not need to burn two boot boot files. You can directly burn the firmware (bit_default.bin) and partitions (partitions.bin). If the bootloader is damaged, you can choose to burn along with bootloader_dio_40m.bin and boot_app0.bin. But be sure to pay attention to the settings below

`SpiFlashConfig` Please configure according to the software screenshot, and then select the port in the COM. Porter 115200 does not need to be changed. Select “START” to start recording.

During the burning process:

Webduino burn 3.jpg


Webduino burn 4.jpg

After the burn is completed, you must reset or re-energize, and then you find the LED red light flashing, indicating that the burn is successful.

Burn time is about 20s

then you can use webduino all function on BPI:bit. Please see the webduino teaching documents

  • Please refer to the following legend for details:
Burning webduino firmware step 3.png

Auto Flash工具

We recommend that you first run the AutoErase. Exe tool to clear the bit board memory before burning the new firmware

  • AutoErase.exe double-click to run the script, and the latest serial port will be automatically selected (you can reconnect the bit board to the computer before burning). The script will automatically erase the memory of the bit board.
Auto erase running.png
  • Double click autoflashwebduinobin.exe to run the script will automatically select the latest access to the serial port, burning the corresponding firmware file with the directory below, a total of four files are as follows:

Second: PlatformIO comes with a script

This method needs to install PlatformIO in advance. Of course, if you are not using PlatformIO for development, you are advised to use the first method. This method is to disassemble the PlatformIO burning procedure.

First of all, you need to find the installation location of PlatformIO on your computer. For example, my installation location is as follows


Of course, your installation location is not necessarily the same as mine, you need to find it yourself.

Then, we can find a script file .platformio\packages\tool-esptoolpy\esptool.py according to the following path. This file is the script we need to burn. Then, we open the terminal of PlatformIO, or open the computer. Command line tool, enter the following code

Python ~\.platformio\packages\tool-esptoolpy\esptool.py --port COM19 --baud 115200 write_flash -fm dio -fs 4MB 0x010000 ~\BIT\bit_default.bin

The ~ in the above code needs to be replaced with your actual path, and then fill in the corresponding burning position in order, select the corresponding file path, and then execute this code. This method may be very specific for certain situations. Help, usually used at the time, it is recommended to use the first method of burning.

Normally, you do not need to burn two boot boot files. You can directly burn the firmware (bit_default.bin) and partitions (partitions.bin). If the bootloader is damaged, you can choose to burn along with bootloader_dio_40m.bin and boot_app0.bin. But be sure to pay attention to the settings below