USB MCU FIRMWARE UPDATE

USB MCU FIRMWARE UPDATE · Windows

DENAFRIPS all-new USB DAC solution supports off-site firmware update. The update includes updating of the USB MCU firmware.

The procedures are as described in the following. It can be done in Windows 7/8/10 and Mac Operating System over the USB port by a computer savvy person. Should you need further assistance, please contact us.

THIS FIRMWARE UPDATE GUIDE IS FOR WINDOWS OS

- Tested in Windows 7/8/10/11

Apple

Using a macOS computer instead? Click on the link here

DISABLE WINDOWS SIGNED DRIVER ENFORCEMENT

Windows 10 enforces driver signatures by default. This can be disabled to install drivers that are not digitally signed. Use the following steps to disable driver signature enforcement.

Click the Start Start menu and select Settings.
Click Update and Security.
Click on Recovery.
Click Restart now under Advanced Startup.
Click Troubleshoot.
Click Advanced options.
Click Startup Settings.
Click on Restart.

On the Startup Settings screen press 7 or F7 to disable driver signature enforcement.

Your computer will restart and you will be able to install non-digitally signed drivers. If you restart your computer again the driver signature enforcement will be re-enabled.

BITLOCKER

If your Windows computer is encrypted with BitLocker, you will need the recovery key in order to perform to above steps.

How to Find the BitLocker recovery key: link

WHAT IS REQUIRED?

You would need the following items in order to proceed:

A Windows 10 PC/Laptop with USB port
Standard USB Cable
Internet Connection (To download the driver and firmware packages)
DENAFRIPS DAC

DOWNLOAD

Please click on the following links to download the necessary zip packages.

ConfigProgramDriver
Firmware Tool - USB MCU

WARNING

Please note that flashing the incorrect firmware will brick the product. Please do not use any firmware obtain from unknown sources.

DOWNLOAD

USB MCU Firmware

FIRMWARE LOG

V3.12.0 (Current latest version)

- Release Date: 29th Nov 2021

- Compatible with macOS / winOS / Linux

- Improved low level STM MCU32 USB handshake with host

- Supports PCM1536 / DSD1024

V3.6.0

- Release Date: 15th Aug 2021

- Compatible with macOS / winOS / Linux

- Increase USB resync time

V3.4.1
- Fixed compatibility issue with macOS

- PCM1536 / DSD1024 supports disabled

V3.3.5- Increase USB resync time to address USB out-of-sync issue- Supports PCM1536 / DSD1024

V3.3.2
- Original firmware

SPECIAL FIRMWARE RELEASE

V3.14.0

- Release Date: 1st Apr 2021

- Based on Firmware Version V3.12.0

- Enable USB Volume Control

VIDEO GUIDE:

Feel free to go through the following video guide for Ares II USB MCU Firmware Update.

LET'S GET STARTED!

STEP 1: Plug in the USB cable from the Windows PC to the DAC USB input port.

STEP 2: Power up the DAC. Turn in on by pressing the STANDBY button once. Select the USB input. The USB DAC should be detected (if the driver is already installed in the Windows PC).

STEP 3: Enable the DDC/DAC into firmware update mode.

For DAC

Press the STANDBY button once, turn the DAC into STANDBY mode. Press the following button once:

Ares II - Phase Button
Pontus/Venus/Terminator/Terminator Plus - Mode Button

For DDC

Iris DDC: YouTube Video Guide
Hermes / Gaia DDC: Press Setup button once, thereafter, press USB button twice

This will enable the DDC/DAC into Firmware Update mode.

The Windows computer shall detect the USB HiRes F-20 Configuration device in Device Manager

STEP 4: Install the Configuration Driver. You've downloaded it previously in DOWNLOAD section above. Unzip it. Click on the Setup (Windows Batch File) to install the driver. Click Next on the Installation Wizard, follow the on-screen instruction to complete the installation.

Important Note: Windows Signed Driver Enforcement must be disabled to successfully install the Configuration Driver. Failure to install the driver will not be able to proceed with the firmware update.

STEP 5: Once the Configuration Driver is installed successfully, the libusb-win32 device -> USB HiRes Audio F-20 Configuration shall be detected by the Windows PC without any (?) or (!) mark. This signify that the Configuration Driver is installed successfully.

STEP 6: Locate the Firmware Tool zip folder. You've downloaded it previously in DOWNLOAD section above. Unzip it. You should see the following files in the folder.

STEP 7: Click on the Update USB MCU (Windows Batch File) to start flashing the USB MCU firmware. The following Command Prompt windows pop-up to details the Flashing Progress. It may take up to 10seconds to flash the firmware.

STEP 8: Once the firmware is flashed successfully, press any key to close the Command Prompt. Power off the DAC completely by turning off the power supply or unplug the power cord. Wait for 15s, power on the DAC. Select USB. The DENAFRIPS USB DAC should be detected. Play some test tones to make sure the DAC is operational.

Congratulation! You've successfully updated the USB MCU firmware! Enjoy the music!

DENAFRIPS TEAM.