STM32 MCUs Products

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STM32F103C6 HardFault after erase flash with IWDG active

Posted on February 26, 2013 at 17:41Hi, I'm new to Cortex M3. I've a custom boot working correctly: first I erase the 32K flash and after I write the memory with no problems.I need to activate the Independent Watchdog, and when I do it the microcont...

xbalmes by Associate II
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  • 4 replies
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Input capture timer - measure the correct frequency

Posted on April 17, 2012 at 15:01Hi, I want to capture a signal with 30Hz frequency by a timer input capture. The timer is already working but the measured frequency is not 30Hz. I always measure a frequency of 29.85Hz or 30.3Hz. Are there any mist...

mfcprog by Associate II
  • 2768 Views
  • 10 replies
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Using __attribute__((__section__())) stops code running?

Posted on November 23, 2012 at 03:16 Hi all, Bit of a strange one... When i include this line in one of my C source files, my software no longer starts up after reset correctly (jumps off into no-mans land). const unsign...

mwp by Senior
  • 1240 Views
  • 6 replies
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strcat method does not work

Posted on August 20, 2012 at 15:14Hi, When I use strcat to append a string to a destination string. It does not work. I did it like this. char *item_list = ''''; strcat(item_list,''hello''); When I set a break point and check the item_list, it is st...

chai by Associate II
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  • 24 replies
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RTC daylight saving time STM32f3 discovery

Posted on February 25, 2013 at 17:18I'm using the standard peripheral library to manage the RTC on my STM32f3 discovery board. As I understand it, when things are running, you can go into the daylight saving time mode by this command : RTC_DayLightS...

file STM32F2xx_Clock_Configuration_VX.Y.Z.xls

Posted on October 18, 2011 at 14:37Application note AN3362 explains that the configuration tool is implemented in the �STM32F2xx_Clock_Configuration_VX.Y.Z.xls� file which is supplied with the STM32F2xx Standard Peripherals Library and can be downlo...

rfloquet9 by Associate II
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  • 5 replies
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Linker problems

Posted on February 26, 2013 at 17:21I am having issues with getting the Linker script to run. /../arm-none-eabi/bin/ld.exe: cannot open linker script file /C:/Users/Jason.Development-PC/Dropbox/Eclipse/TS_001/stm32_flash.ld: Invalid argumenthere is ...

berge472 by Associate II
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  • 1 replies
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STML152 EXTI9_5 and USB

Posted on February 26, 2013 at 06:37While trying to get an interrupt working that monitors the USB VCC voltage to detect USB cable connection/disconnection, I found a very strange problem. Whenever USB is enabled (as it should since that's what I'm ...

GPIO Interrupt Issue

Posted on February 23, 2013 at 10:32 Hi , I am using the following code to configure my external interrupt on PH10 , PH11, PH However , the interrupt does not occur when a signal is applied to PH10 , bothe PH11 and PH12 is working ...

External I2S Microphone and the STM32f4 Discovery

Posted on February 25, 2013 at 17:46Hi Is it possible to connect an external I2S microphone to the stm32f4discovery? I know that the board already has a MEMS mic but I need to use my own microphone. Can I route the signals (MCLK, SD, WS, SCLK) to th...