STM32 MCUs Products

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STM32L051 Development

Posted on May 25, 2014 at 19:09Folks, The STM32L051 looks like a good device for a new project, but there seems to be no-one stocking it and there seems to be no dev kit. Can I use the STM32F0 discovery and any code will be essentially drop-in when ...

DiBosco by Senior II
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  • 3 replies
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STM32F100C6, ADC & DMA

Posted on June 09, 2014 at 21:37 Hello, I have a problem with configuring ADC & DMA. This is the code ADC RCC -> APB2ENR |= RCC_APB2ENR_ADC1EN; ADC1 -> CR1 |= ADC_CR1_SCAN; ADC1 -> CR2 |= ADC_CR2_EXTSEL_0 | ADC_CR2_EXTSEL_1 | ADC_C...

peter_l by Associate II
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Disable FPU in STM32F4 on RTX

Posted on June 12, 2014 at 10:34There is a problem, when I using FPU in some RTX task because FPU instructions is also used in RTX's SVC_Handler. So I've decided or disable FPU globally in project (didn't work, cant compile HAL_CM4.c) or disable for...

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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  • 20 replies
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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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  • 3 replies
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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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  • 12 replies
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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...