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Forum Posts

ADC + DMA circular mode

Posted on April 06, 2016 at 08:38Hello there, I am trying to configure ADC and DMA (STM32F4) to work in circullar mode but I fail. There is a lot more conversions than there should be and they are starving other ''processes'' in the mcu. This is wha...

STM32F410 Elf Loader Problem

Posted on March 19, 2016 at 15:23  I have a brand-new project (with brand-new circuit board) based on the STM32F410CBT6 chip.  This chip, which I think is relatively new, supposedly has 128KB of FLASH and 32KB of SRAM.  However, the default linker s...

STM32F4Discovery and debugger bug report

Posted on April 05, 2016 at 17:03Hi, The newly delivered STM32F4Dicsovery has debugger Firmware V2.25M14 on it. The same is on ST-Link utility V2 3.38. Both have following problem: When the board is powered up without USB on debug connection then th...

Osto by Senior
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From mbed to offline IDE

Posted on April 05, 2016 at 06:17Hello.I would like to ask a question that might sound very basic almost silly to you, so my apologies.I am now programming a STM32F091 Nucleo board using mbed. (since it says ''mbed enabled'' and mbed is easy to lear...

d_aliaga by Associate II
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Virtual COM Stm32fxx and complete transfer

Posted on March 23, 2016 at 10:41Hi, i'm using a virtual com (without uart), someone know the way to know when the usb has complete the transfer ?I can't make (sure) immediatly two time ''CDC_Transmit_FS''CDC_Transmit_FS( Buf, 100 );// here i need t...

Marco1 by Associate II
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stm32F071 + STOP MODE + wakeup + HSI48 = hard fault

Posted on April 05, 2016 at 10:31For a wearable product we're working on a device that wakes up 160 times a second (for now, will later be reduced to ~10 times per second), does it's thing, communicates with a host and remains in STOP mode for the r...

henk23 by Associate II
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problems about STM32F446 TIM2 as External counter

Posted on April 05, 2016 at 15:49I'm using STM32F446RE NUCLEO and I need to count the external pulse.I don't know how to configurate it to enable the counter.the value of counter is 0 whatever the input fruquency.the following code is my configurati...

Place stemwin fonts in external flash

Posted on April 04, 2016 at 19:49Hello, I use stemwin with stm32f7 controller. I would like to put fonts and bitmap in external nor flash memory. I have declared my section in linker file. But I don’t know how to generate hex or bin file to put in n...