

How to Update Firmware¶

To update firmware, please follow the procedure below:

Step 0: Install the flash programming tool before everything.¶

Download the dloader and install it.

sudo dpkg -i dloader_0.x.x-1_amd64.deb

In addition, you can build the dloader.

make dloader

Step 1: Switch bootstrap pin to `Download` mode.¶

Download Mode

Step 2: Close the serial port tool on your PC, such as minicom.¶

Step 3: Power on the board, and check the name of your serial port.¶

$ dmesg | tail
[18063.042470] usb 1-1.4: new full-speed USB device number 10 using ehci-pci
[18063.137325] usb 1-1.4: New USB device found, idVendor=10c4, idProduct=ea60
[18063.137332] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[18063.137335] usb 1-1.4: Product: CP2104 USB to UART Bridge Controller
[18063.137338] usb 1-1.4: Manufacturer: Silicon Labs
[18063.137341] usb 1-1.4: SerialNumber: 018B5764
[18063.138117] cp210x 1-1.4:1.0: cp210x converter detected
[18063.210553] usb 1-1.4: reset full-speed USB device number 10 using ehci-pci
[18063.303396] usb 1-1.4: cp210x converter now attached to ttyUSB0

Step 4: Updating firmware by the following commands.¶

cd output/repeater/images
./update_fw.sh

Note that the default serial port name of the board is ttyUSB0. Otherwise, you should specify the serial port name got from Step 2.

cd output/repeater/images
./update_fw.sh -d ttyUSB0

Step 5: Switch bootstrap pin to `Boot` mode and push the reset button.¶

Boot Mode

To update one image or several images, please refer to help of update_fw.sh.

./update_fw.sh -h