Bootloader USART pinouts
Posted on March 10, 2016 at 14:47I want to use the bootloader via USART2 (PD5/PD6) - except my USART2 is mapped onto PA3/PA2Is there any way around this? #bootloader #stm32
Forum Posts
USB HS Failure to ACK Bulk OUT packet
Posted on March 09, 2016 at 15:55 Hi All, I'm working on a STM32F429-based USB HighSpeed peripheral which exchanges MIDI data with a host computer.If you're not familiar with MIDI, don't worry about it - just know that in the land of USB ...
Why is my DMA-controller not working with my SPI bus?
Posted on February 23, 2016 at 16:32 I'm working with the Discovery Development Board and I am trying to use the DMA-controller with my SPI-bus in order to support longer continuous transfers than 16 bits. I have assigned SPI1 as my master and S...
Bit-banding and register field handling made clear and simple
Posted on March 08, 2016 at 22:21Welcome everybody, I have made some development on the CMSIS device descriptors: - The bit fields are added for each register mapping C structure, so the bit fields appear as simple variables that can be read and wr...
usb enumeration errors, new project from cubemx
Posted on July 22, 2015 at 19:03Hi, i have an discovery STM32F407 board, using cubemx (4.9.0), opened new project for the STM32F407 discovery board. enabled USB_OTG_FS ''Device Only'' mode without SOF and without VBUS. Selected the CDC class, the cl...
STM32F4 : Usb flash drive and fatfs
Posted on March 03, 2016 at 10:49Hello, My 4GB usb flash drive works perfectly fine with FATFS and STM32Cube. However, my program is not able to make a read/write operation on the other usb keys. Actually, f_mount function returns ''FR_OK'' and I c...
USB audio has more than two interfaces
Posted on March 02, 2016 at 23:34STM examples of USB audio are all has two interfaces(one is for control). If the number of interface is bigger than 2, is there any change in usbd_audio_setup function. How to deal with this situation? #usb
STM32L0 SPI + DMA + interrupts = Problem
Posted on February 28, 2016 at 16:16Hallo, I have a problem with SPI and DMA in interrupt mode. on my stm32l053. When I start SPI transmition, SCK and NSS pins looks ok, but there is nothing at MOSI line. I checked DR register but it is 0 during who...
STM32L476 Discovery + HAL Library + FatFs
Posted on March 02, 2016 at 10:35Hello ! I would like to add some memory to the STM32L476 Discovery board.For that, I am trying to connect a microSD through SPI using FatFs.I found : http://stm32f4-discovery.com/2014/07/library-21-read-sd-card-fatfs...
STMF2 USB BULK IN/OUT Incomplete
Posted on February 26, 2016 at 23:29Hi,I'm working on getting a WinUsb working. I have the device enumerating successfully. However, when I try to send data on BULK OUT to the device or read data from BULK IN in both cases I see 'incomplete' on my...
