Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on March 13, 2012 at 17:51 If I let run this DMA interrupts, without a while looop on the line 64 I get only first word transmitted. With a while loop it is always OK.What's wrong? void dma_tx(uint16_t *rxbuf, uint16_t *txbuf, uint16_t ...
Posted on March 12, 2012 at 15:21 I have a following code to initial SPI3 communication. The code below causes a HardFault and I am still not able to find the reason:( void spi_init(void) { DMA_InitTypeDef DMA_InitStructure; SPI_...
Posted on March 12, 2012 at 13:02Is there any conflict with using sleep mode on the STM32F4 by means of the __WFI() call when using the RTX RTOS? The only reason I ask is because whenever I call it, it seems to not reduce power nearly as much as wh...
Posted on March 09, 2012 at 20:17Hi, Is there anyones out there using Sourcery CodeBench Lite for STM32F4xx? We've been using this one for STM32F10x series for a while. There is no problems for us untill we start using floating point instructions on...
Posted on March 07, 2012 at 10:13I wanted touse theUART portbut can not findany informationto use this port,the portonly appears toUSART, does anyonecan give mesome tipshow you canconnect thestm32f4discoveryto establishcontact withthis type ofport (...
Posted on March 09, 2012 at 12:29I have a hid report created using descriptor tool 2.4. The final descriptor size is 289. which appears to be to large (hid not detected). If I cut a few reports out so the size becomes less than 256 it works fine. Is...
Posted on March 09, 2012 at 20:36Hello,I have a question concerning SDIO driver provided by STM for the STM32F407. Do you have to use interrupts or DMA? Can you initialize the a SD Card and write data using:SDIO_SendCommand(&SDIO_CmdInitStructure)...
Posted on March 08, 2012 at 16:35Hi Does ST have a reference design for an USB OTG use case where e.g STM32F4xx based board could be used both as a USB host providing 5V to the USB device and as a USB slave powering the whole board from the USB's 5v...
Posted on February 13, 2012 at 15:48Hello, Je suis un d�butant et j'essaye de commander une LCD (16 * 2) avec un STM32VL : afficher et ajuster une horloge (a l'aide des deux boutons B1 et B2 sur la carte) sur le LCD .et je sais pas par quoi je comme...
Posted on March 02, 2012 at 12:34How to send and receive data using RTOS (RL-ARM) with tasks? (Without generating an interruption?) Using this functions below:TO SEND /*---------------------------------------------------------------------------- W...
