Error - libusb control transfer error [-9] : LIBUSB_ERROR_PIPE

[DCook.1]

STM32CubeProgrammer Win64 v2-11-0

Windows 10

STM32F411xC/E

Device ID 0x431

Can connect to MCU with STM32Cube via USB in DFU mode, can erase memory blocks, cannot write to memory blocks due to libusb control transfer error [-9].

Can anyone help me fix this?

Excerpt of Debug messages Below

 09:19:32:270 : erasing sector 0005 @: 0x08020000 done

 09:19:32:270 : erase: 4385ms

 09:19:32:271 : Download in Progress:

 09:19:32:271 :  Size     : 183204 Bytes

 09:19:32:271 :  Address    : 0x08000000 

 09:19:32:276 : DFU status = 0

 09:19:32:276 : DFU State = 5

 09:19:32:276 : Status: 0, State: 5

 09:19:32:276 : setting the address pointer to address: 0x08000000

 09:19:32:283 : DFU status = 0

 09:19:32:283 : DFU State = 4

 09:19:32:283 : DFU status = 0

 09:19:32:284 : DFU State = 5

 09:19:32:284 : sending packet nbr: 0

 09:19:32:284 : DFU status = 0

 09:19:32:284 : DFU State = 5

 09:19:32:284 : downloading data

 09:19:32:304 : libusb control transfer error [-9] : LIBUSB_ERROR_PIPE  

 09:19:32:304 : sending a dfu abort

 09:19:32:304 : sending an abort request

[ECabr.1]

@DCook.1​ 

Any luck on resolving this issue? I am seeing the exact same error on my STM32L4P5 MCU. Thanks.

Eric

[ECabr.1]

@DCook.1

I figured the issue I had. You need to make sure that the memory paging is set up correctly and the FLASH_DESC_STR is set correctly in usbd_dfu_if.c. In my case I am using the STM32L4P5CGTxP, so I set it to the following: #define FLASH_DESC_STR "@Internal Flash /0x08000000/016*04Ka,240*04Kg"

Regards