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Forum Posts

Big data array problem in the STM32F407.

Posted on October 03, 2013 at 21:20Hi Folks We are porting a complex algorithm from the PC into the STM32F407 and we are testing it on a large test file (15000 items long) which I have include in a .h file in the form const int testdataA[15000] = { ...

bl by Associate II
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USB reports and CRC

Posted on November 08, 2013 at 17:12Hello everyone, I have a product based on an STM32 and a SPI flash NOR memory. I store some data inside the flash NOR, then I read them back through USB. Sometimes (very rare, but happens ..), I get a few corrupte...

Kuikui by Associate III
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8 bit write on 16 bit wide ext SRAM using NBL0/1

Posted on August 21, 2012 at 04:45Hello, I am have been using an external SRAM with the STM32F207. The SRAM I am using is the Cypress CY62167EV30, a 16-Mbit ( 1M x 16 / 2M x 8 ). The SRAM is used to store a captured image and allow for manipulation...

stbbrad3 by Associate II
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STM32F4Discovery DSP

Posted on November 11, 2013 at 09:21HiI have a STM32F4Discovery evaluation board. I use CooCox CoIDE and GNU Tools ARM Embedded. While everything works fine if I use standard peripheral library and code, I cannot run anything that is dsp related (li...

peppea82 by Associate II
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Determining when IWDG has timed out

Posted on November 10, 2013 at 00:52Hi Forum, I need to determine if the IWDG has timed out. After the board resets, can I determine this by checking a flag e.g. if (RCC_GetFlagStatus(RCC_FLAG_IWDGRST) != RESET)   // IWDG has reset or if I know that...

stenasc by Senior
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AN2824: STM32F10xxx I²C optimized examples

Posted on July 13, 2012 at 12:31Hello,I am trying to get some basic I2C communications going between the STM32F100 and a sensor so I thought Application Note AN2824 would be a good starting point. But I can't find the associated firmware files. All ...

TIMs configuration for TRGO (STM32F3xx)

Posted on November 11, 2013 at 10:58Hi to everybody, I need informations (or examples) about how to configure the TIMs in order to trigger its slaves. The documentation inside the reference manual is not clear. Can somebody help me please. Thank you

IDD-VBAT Measurement in STM32F050xx

Posted on November 07, 2013 at 15:33Hi,I was going through table 14 of STM32F050xx datasheet. This table shows IDD-VBAT at various voltages. Just want to check when this measurement is taken whether VDD was pin was floating or grounded?  #stm32f0...

STM32F1 - ROP & Bootloader issues

Posted on November 06, 2013 at 17:21 Greetings all, I have the problem where i need to updated the bootloader on my STM32F103 using the bootloader already present on it. The first thing the current bootloader does on startup is che...

mwp by Senior
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