About PCevo.1

PCevo.1 · 2024-04-04

Here comes another query about the status of a HUB device for the USB Host library. I have been working with the driver from herehttps://github.com/moribr/STM32F4HUB/blob/master/Project/Middlewares/ST/STM32_USB_Host_Library/Class/HUB/usbh_hub.cand ha...

PCevo.1 · 2024-03-20

We are having a bear of a time getting the USB2514 to work properly with the STM327H73 both with the USB2514 built into our board and also with the STM327H73 connected to a EVB-USB2514BCQFM36 eval board. Looking for suggestions for resolving this iss...

PCevo.1 · 2023-05-16

Having difficulty gaining access a peripheral region in the bootloader and could use some suggestions.In the bootloader we need to MAP the address space described below, this address space works correctly in the application but not in the bootloader....

PCevo.1 · 2023-04-20

Need to memory map the framebuffer in the bootloader, this is done using bspMpuConfig. when this is done the framebuffer can successfully be written but when transitioning into the next state the routine /* RCC access done to identify the wakeup sou...

PCevo.1 · 2023-04-04

Trying to bring up a bootloader. On the last step and having difficulty getting the screen working. All the LTDC initialization looks ok and am enabled the line interrupt and the transfer error interrupt. When enabling the LTDC getting slammed with u...

PCevo.1 · 2024-04-16

I still have access to the project in the original link.Since this effort was for a boot loader and all that was needed was a partial implementation to init the hub USB port for an MSC device, got enough of this working for that use case.

PCevo.1 · 2024-04-04

What are the production grade USB libraries for use in the bootloader?

PCevo.1 · 2024-04-01

Interestingly noticed that if the call to if (ux_host_stack_class_register(_ux_system_host_class_cdc_acm_name, ux_host_class_cdc_acm_entry) != UX_SUCCESS)is removed and usb start time, the serial port can be plugged and unplugged many times. The seri...

PCevo.1 · 2023-06-06

Memory mapping had to be enabled and the unprivileged memory mapping needed to be updated.This document filled in a number of missing pieceshttps://www.st.com/resource/en/application_note/an2606-stm32-microcontroller-system-memory-boot-mode-stmicroel...

PCevo.1 · 2023-06-06

Memory mapping had to be enabled and the unprivileged memory mapping needed to be updated. This document filled in a number of missing pieceshttps://www.st.com/resource/en/application_note/an2606-stm32-microcontroller-system-memory-boot-mode-stmicroe...

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STM32 USB Host HUB support with an MSC device

Azure RTOS STM327H73 BIT 6 connected to USB2514 UB connections are flaky

Bootloader Enabling SFU_MPU_PROTECT_ENABLE causes a problem

memory mapping framebuffer in the bootloader causing a memory fault when switching to unpriveleged mode

LTDC getting underrun interrupt when not enabled

Re: STM32 USB Host HUB support with an MSC device

Re: STM32 USB Host HUB support with an MSC device

Re: Azure RTOS STM327H73 BIT 6 connected to USB2514 UB connections are flaky

Re: memory mapping framebuffer in the bootloader causing a memory fault when switching to unpriveleged mode

Re: Bootloader Enabling SFU_MPU_PROTECT_ENABLE causes a problem