MSP430F5529: Unrecognized USB device /Window 10

Hi Wilson 

May I know the board and the software used on MSP430F5529? is it the launchpad and the example code?

Thanks

Hi Xiaodong

Now it is using M/P customized PCBA and used USB Developers Package : Version: 5.20.07.01 to modify the Customer's application code.

Thanks.

Hi Wilson 

I haven't meet this problem before, I will check more and reply to you later

Thanks

I would like to provide some additional information about the issue.

① Currently, the Keyboard firmware has been modified based on the SLAA514 example. (https://www.ti.com/lit/an/slaa514/slaa514.pdf?ts=1686812889003&ref_url=https%253A%252F%252Fwww.google.com%252F)

② I have used the Traditional H8_Keyboard example from the MSP430USBDevelopersPackage_5_20_06_03. The test results were similar.

③ The circuit design was based on the MSP-TS430RGC64USB.

④ I believe that this issue is not unique to the MSP430.（https://e2e.ti.com/support/microcontrollers/msp-low-power-microcontrollers-group/msp430/f/msp-low-power-microcontroller-forum/554289/msp430-hangs-bios-and-then-i-get-unknown-device-in-device-manager-in-windows-7）

⑤  The experimental steps are as follows.

Step1. Power on the PC Power.（USB 5V Standby on）

Step2. Wait for 30 seconds.

           The LED light keeps flashing on and off.（Because the main loop continuously toggles the LED state.）

Step3. Power on the system.

Step4. In the POST stage, there is a certain probability of BIOS producing an error beep sound.

            After entering Windows, checking the Device Manager shows that "unknown device".

            The LED stops flashing on and off.（The MSP430 is stuck in an unknown area, and the WDT is not functioning properly.）

            To resolve the issue, it is necessary to power cycle the MSP430.（In our application scenario, it is challenging to perform a power cycle.）

             It is difficult for our current customers to perform a power cycle.

Hi Isaac

it is hard for me to reproduce this issue because it is based on customized board.

According to the previous thread you mentioned, I propose you can try run MSP430USBDevelopersPackage on MSP-EXP430F5529LP.

Thanks!

Thank you for your assistance.

This is also very difficult for us because this product is a mass-produced product.

According to factory testing, out of 60 machines, one occurrence is expected after repeating the previous procedure more than 20 times.

The occurrence of such issues is attributed to the discontinuation of the old motherboard and the replacement with a new one. Therefore, we currently do not believe there are any problems with the keyboard hardware design.

What other information do you need to provide for analysis?

Hi Isaac

Thanks for your detailed information!

>> The occurrence of such issues is attributed to the discontinuation of the old motherboard and the replacement with a new one.

there is no any USB unrecognization issue on F5529 on the old motherboard, but there is unrecognization issue on the new motherboard.

Could you please check if there is any design change or components change (including the components vendor) between the old motherboard and the new motherboard?

and May I confirm if this product is always used on Windows 10 environment?

Thanks!

Hello Xiaodong

Please refer to the information about the new and old motherboard versions below.

Old version motherboard

User manual:https://e2e.ti.com/support/microcontrollers/msp-low-power-microcontrollers-group/msp430/f/msp-low-power-microcontroller-forum/1237165/msp430f5529-unrecognized-usb-device-window-10/4675215#4675215

OS:WIN8.1

New version motherboard

User manual:https://www.infinite-electronic.sk/datasheet/2b-AIMB-275L-00A1E.pdf

OS:WIN10 Enterprise 2016 LTSB

Additional information regarding new and old motherboard versions is as follows.

① The new version has USB 3.0, while the old version has USB 2.0.

② To solve compatibility issues, there was an attempt to install a USB hub, but the problem still occurs

③ There was an attempt to install a commercially available keyboard for comparison. When the keyboard encountered issues, the commercially available keyboard worked fine.

I plan to execute the MSP430USBDevelopersPackage on the MSP-EXP430F5529LP platform.

Since the testing requires company resources, there are a few matters I would like to discuss before the tests.

① We plan to perform testing using the H8_Keyboard sample.

② When an anomaly occurs, is there any information that we should record?

Hi Isaac

>> User manual:https://e2e.ti.com/support/microcontrollers/msp-low-power-microcontrollers-group/msp430/f/msp-low-power-microcontroller-forum/1237165/msp430f5529-unrecognized-usb-device-window-10/4675215#4675215

Old version motherboard link you give me is the E2E link. I think this is not the Old version motherboard information, could you please send me agian?

>> When an anomaly occurs, is there any information that we should record?

if any anomaly occurs on MSP-EXP430F5529LP and MSP430USBDevelopersPackage, please help to feedback the environment and process to us.

We need reproduce the abnormal case based on our platform and software.

Thanks!

Hello Xiaodong

The updated information for the old version motherboard is as follows.

User manual:https://support.elmark.com.pl/advantech/pdf/AIMB-272man.pdf

After testing on the MSP-EXP430F5529LP platform, we will provide feedback.