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STM32 MCUs Embedded software

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STM32F103 - Bootloader Init Problem

Posted on July 10, 2015 at 10:12Hi, now i run into an other problem with the bootloader on the Nucleo Boards STM32F103 chip. Im building an Android Library to update the STM32 Firmware over Bluetooth (RS232) and add from time to time each processor....

sauer by • Associate II
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STM32CubeMX USB CDC memory wastage for FS USB

Posted on July 14, 2015 at 06:16When creating USB CDC code for devices with a USB FS port, 448 bytes are wasted. The USBD_CDC_HandleTypeDef structure in usbd_cdc.h uses CDC_DATA_HS_MAX_PACKET_SIZE to create data buffer. This is defined as 512 bytes(...

[STM32F4-Discovery] Custom HID with HAL libraries

Posted on July 11, 2015 at 18:00Good evening at all.I'm trying to port the CustomHID_Standalone example from STM324xG_EVAL example application in latest HAL driver to the STM32F4-Discovery board. I successfully get no errors in compiling the firmwar...

Discovery F3 - Virtual Com Port (CDC) problem

Posted on July 05, 2015 at 21:43Hello! I am having hard time using CubeMX and Discovery F3 board, while trying to use USB-CDC feature. First things first: I am generating code using CubeMX as SW4STM32 project, USB is set into CDC in middlewares tab,...

195263 by • Associate
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USB DFU bootloader with Thumb drive?

Posted on July 08, 2015 at 16:55Hi folks,I'm reading up on the usage of the USB DFU bootloader capabilities for an STM32F429. It appears that the device on the other end must support the USB DFU protocol. Is it possible to configure a flash drive (U...

hbarta2 by • Associate III
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CRC error in all USB SOF packets

Posted on July 08, 2015 at 16:04Hi,I'm running a stm32f427 on a custom board as Host, HS core, FS mode. When a device is attached I get an interrupt when the device is detected and the host starts sending SOF's. But the last bits in the SOF packet i...

USB cable detection

Posted on July 01, 2015 at 12:01 I use a custom STM32F407 board. I want to detect USB FS cable presence (no matter to pc or charger). Here is what I did. First, the VBUS pin is initialized in usb_bsp.c USB_OTG_BSP_Init function, I di...

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