STM32 MCUs Embedded software

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

CDC_DATA_FS_MAX_PACKET_SIZE

Posted on July 02, 2018 at 15:32Hi,please help me to understand why when I increase the value of CDC_DATA_FS_MAX_PACKET_SIZE in usbd_cdc.h more than 128 usb communication and the PC both hang??please instruct me what to do to increase the usb receiv...

USB HS Data Out transfer with DMA

Posted on July 02, 2018 at 09:50Hi everyone ! I am currently trying to write a custom usb class driver to support a webcam. I am using the STM32F769 Discovery boark and the STM32CubeF7 firmware. After the first steps of enumeration and initialisatio...

STM32F746 Ethernet DMA Transmit problem

Posted on August 11, 2016 at 11:57Hi, I am developing Ethernet driver on STM32F7-DISCO board. I set buffer address, buffer size in Tx descriptor. Then I set control bits in TDES0 of Tx descriptor and write DMATPDR register to send the frame. However...

zoltan2 by Associate II
  • 7608 Views
  • 18 replies
  • 1 kudos

STM32F072 USB device spews bogus data

Posted on June 16, 2018 at 00:50Has anyone seen a similar issue?STM32F072CBT with USB 'Custom HID' based application (mix of 'HID' and 'Custom HID'), on a 100% custom board.With many hosts (desktop PCs and laptops) it works as intended.But with cert...

Pavel A. by Evangelist III
  • 345 Views
  • 1 replies
  • 0 kudos