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anees · 2024-04-30

I have a board design based on stm32L452 , USB gets recognized on a windows PC and I can talk to the device over any software like putty and a Test software sees the com port and can to the device. However in Android (Iam using samsung GalaxyTab A8)...

anees · 2024-05-07

Yes USB to PC/mac works. But we are stuck since application is on android .. Just curious is there a way /process to get one of our boards to st support center and take a look? who would be a contact (fae?) or a process you would know

anees · 2024-05-07

for clarity, we are setup for 48M for USB from HSE/PLL. (sorry about typo, it is 48M for USB from HSE/PLL)

anees · 2024-05-07

for clarity, we are not setup for 48M for USB from HSE/PLL.What else we can try? 1) Try another android tab ? ( we are using galaxy A8 and A2, same behaviour)2) Heard there is an Android sim software that can run on PC? may be try that and see?Any ot...

anees · 2024-05-07

Just few updates1) Tried USB mass storage, it came up on windows and mac but not working in Android2) CDC driver same behavior , works in windows and mac but not in android3) Use the external clk so crs_sync is no longer used4) USB D- and D+ are corr...

anees · 2024-05-03

Was using HSI crystal less , as you suggested changed to HSE ---> usb-clk ...No impact, works in mac/windows but not in android. With this change, may be I saw unknown usb detect error from windows few times.Also tried changing USB_CRS_SYNC to RESE...

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stm32L452CEU6 usb doesnt work with Samsung GalaxyTab A8

Re: stm32L452CEU6 usb doesnt work with Samsung GalaxyTab A8

Re: stm32L452CEU6 usb doesnt work with Samsung GalaxyTab A8

Re: stm32L452CEU6 usb doesnt work with Samsung GalaxyTab A8

Re: stm32L452CEU6 usb doesnt work with Samsung GalaxyTab A8

Re: stm32L452CEU6 usb doesnt work with Samsung GalaxyTab A8