STM32 MCUs Embedded software

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STM32F207 USB device with no VBUS monitoring

Posted on June 10, 2014 at 09:05Hi all,I'm modifying the VCP demo for STM32F207 to work without VBUS sensing, just using D+/D- for USB communications. As stated in RM0033 (page 935/1334 Doc ID 15403 Rev 5, chapter 29.5 USB peripheral): �The VBUS pin...

stm32 f429I disco LWIP port problem.

Posted on February 24, 2015 at 19:24Hello! I try port stm32 4x9I-eval LwIP application ( LwIP_HTTP_Server_Raw )  to stm32 429I-disco. In F.A.Q. said that:''When another hardware platform is used, check the GPIO configuration in the HAL_ETH_MspInit()...

HS USB Device Won't Return Report Descriptor

Posted on February 06, 2015 at 13:32I've got a STM32F405 using a Microchip USB3300 PHY set up to run as a HS HID USB device. The device gets MOST of the way through enumeration. However, when the host queries for the report descriptor, the device fa...

jvavra by Associate III
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HS USB Report Descriptor End Wrong

Posted on February 20, 2015 at 13:49I'm hoping this is my last Report Descriptor question. As I found out, the HS USB DMA in the '405 only has access to RAM memory locations. With this in mind, I copy the Report Descriptor to RAM from it's original ...

jvavra by Associate III
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STM32F401 USB CDC stuck in IRQ loop

Posted on February 18, 2015 at 10:27Hi,I'm using the USB Host library 2.1.0 (with USB_OTG_FS) on an STM32F401CD. Using the USB CDC code I'm having the following issue:When the STM32 is connected to a PC but no application on the PC has the port open...

gw by Associate II
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  • 2 replies
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USB HID with proprietary VID

Posted on February 19, 2015 at 14:00I've implemented a USB-HID device, based on the example provided by ST (STM32_USB-FS-Device_Lib_V4.0.0\Projects\Custom_HID).The project requires I use a VID which is not STM's, so I aquired a VID from usb.org, and...

boaz by Associate II
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Description of STM32F2xx HAL drivers

Posted on August 11, 2014 at 18:28Is there any description of HAL library for STM32F2s.I found the UM1725 documentation but only applies for STM32F4s.Anything similar for STM32F2s???Thanks, #stm32f2 #hal-library

eduardo2 by Associate II
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USB CDC with flow control

Posted on February 19, 2015 at 08:25The example provided for Virtual COM over USB (STM32_USB-FS-Device_Lib_V4.0.0\Projects\Virtual_COM_Port) does not include UART flow control. The UART module is hard-coded to not use CTS/RTS, and when the UART-->US...

boaz by Associate II
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DMA Support in STMcube

Posted on January 30, 2015 at 15:53I am just integrating new STMcube for my project on STM32F4. I want to use DMA on USART1 without any interrupt. But i had a look at STMCube library, It uses Interrupts in DMA. Any thoughts  how can i make DMA work...

dhiry2k1 by Associate II
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