Ask questions, find answers, and share insights on STM32 products and their technical features.
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...
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...
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...
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...
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...
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 ...
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 ...
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 ...
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...
Posted on February 26, 2013 at 10:53I am using an STM32F4xx MCU and have configured it for external interrupts (EXTI) on PH2 (rising edge). Everything works OK until the odd occassion when the input to PH2 is left high at the end of the ISR. In this...
