VNGIoTLab


We are IoT team from VNG Corporation, we work to solve Internet of Things problems. In addition, we also develop a number of boards for learning, testing, research such as VBLUno51, VBLUno52, BLE Module, ... Our products work well with mbed-os.

vbluno51 interface firmware

Table of Contents

  1. Firmware VBLUNO51
  2. Firmware changelog
  3. Upgrade firmware

Firmware VBLUNO51

Firmware changelog

DateFirmwareDAPLINK versionLinkDescription
16/10/2017fw_daplink_vbluno51_release_1.0.1.bin244release_101Disable UART HWFC feature, compatible with nrf51822 and VBLUNO51 target on mbed Online Compiler and mbed cli
13/10/2017fw_daplink_vbluno51_release_1.0.0.bin244release_100The VBLUNO51 board id is 0xC006. Enable UART HWFC feature
27/5/2017fw_daplink_vbluno51_alpha_002.bin243alpha_002For testing

Upgrade firmware

The latest firmware version for the VBLUNO51 is: fw_daplink_vbluno51_release_1.0.0.bin (DAPLINK 244 version). To check your firmware version, open the DETAILS.TXT file on your DAPLINK disk.

  • Note: When you buy a VBLUno51 board, the DAPLINK onboard was updated with the latest firmware. If it is not really needed, the instructions in this section should be ignored.

These instructions explain how to upgrade your firmware.

1. Save the latest firmware in bootloader mode

  • Step 1: Unplug your VBLUno51 board from computer.
  • Step 2: Use the bridge to connect 1-2 pin on J7, switch DAPLink circuit to bootloader mode (see below image).

/media/uploads/vbluno_support/slide4.png

  • Step 3: Plug your VBLUno51 board to computer.
    At this time, on your computer show up a new disk with name is : CRP DISABLD.

/media/uploads/vbluno_support/bootloader.png

  • Step 4: Upgrade new firmware.

+ Delete firmware.bin file in CRP DISABLD disk.

+ Copy new firmware (see the above part) file into CRP DISABLD disk.

+ Close that window.

  • Step 5: Unplug your VBLUno51 board from computer.

2. Power cycle the board to update the firmware

  • Step 6: Use the bridge to connect 2-3 pin on J7, switch DAPLink to interface mode - normal mode (see below image).

/media/uploads/vbluno_support/slide3.png

  • Step 7: Simply unplug it, and plug it back in again, and the the USB disk will appear and a DAPLINK disk.

/media/uploads/vbluno_support/interface.png

At this time, your VBLUno51 board is ready to work with new DAPLink firmware

3. Finished

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