Webduino firmware programming

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

Flash programming procedures:

There are two kinds of burning methods to choose from, we can use ESP Flash Download Tool to burn, we can also use the built-in Python script inside the PlatformIO to achieve burn.

One, ESP Flash Download Tool Tool download address:ESP Flash Download Tool

After downloading, unzip the archive and you will see an ESPFlashDownloadTool_v3.6.2.exe inside the folder. Open this shortcut and open an interface selection mode.

Select ESP32 DownloadTool:

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

- File and burn position corresponding to：

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：

SpiFlashConfig
1	CrystalFreq	40M
2	SPI SPEED	40MHz
3	SPI MODE	DIO
4	FLASH SIZE	32Mbit
5	COM	COMx(Fill in the port number assigned by the computer)
6	BAUD	1152000

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:

Finished:

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

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