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DMA MemoryToMemory using Timer for delivery rate?

Posted on January 27, 2014 at 23:27Given an F4 (F405 and F429) or even F2 .. Is it possible for a DMA to be both MemoryToMemory and have the rate of delivery be set by a timer? ie: I'm effecting a copy from an array in RAM, to a GPIO. (a byte at a t...

skeezix by Associate II
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STM32F4 - Quadrature + toggling

Posted on June 10, 2014 at 00:33Can you use a single timer to make a quadrature divider? What I mean by this is can you take in a quadrature signal, have the timer increase its CNT register and then toggle channels 3 & 4 based upon a particular CNT ...

dibs by Associate II
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STM32 CAN Bootloade Problem! No response!

Posted on June 11, 2014 at 00:24Hello All, I'm trying to implement a CAN bootloader to flash my firmware over the CAN bus network. I'm using the OLIMEX STM32F405 board with CAN transceiver hooked up to both CAN peripherals. I wrote a host applicatio...

STM32F4 - FLASH Erase

Posted on December 11, 2013 at 20:54I am attempting to erase a FLASH sector, but the process hangs. Any ideas on why this might be happening?    FLASH_Unlock();    FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_OPERR |                 FLASH_FLAG_WRPER...

dibs by Associate II
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Migrating from STM32F2 to STM32F4

Posted on June 11, 2014 at 10:58Hello,I can't found a guideline for migrating from STM32F2 (207) to STM32F4 (429) on st.com. I find only STM32F1 to F2 or F4Has anyone docs or note about it? Or some reference to doc...Are there any different between ...

kruzicka by Associate II
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STM32F2xx SPI DMA FIFO error

Posted on September 25, 2012 at 00:36When I use DMA on the transmit SPI2 chanel (STM32F205) I consistently get FIFO errors at the end of the transfer, even though the FIFO is disabled.  I verified the DMDIS flag is 0 in the DMA_SxFCR register but th...

SPI transfer problem

Posted on June 10, 2014 at 22:51 Hi all; I'm trying to make two boards communicating with SPI. The Master is a board based on PIC µC and the slave is Discovery F3. The protocol that i have to establish is as follows: 1) The master...

khalid2 by Associate II
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SPWF01Sx Wifi Modules

Posted on May 13, 2014 at 12:03Has anyone got any experience using the SPWF01Sx series of wifi modules? I recently got one and am having some early teething issues just getting it to join networks...