Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on January 04, 2014 at 13:40 Hello, I am using STM32VLDISCOVERY and connected 4 tiny push buttons to Pins PB12, PB13, PB14 and PB I am using external pull-up resistors of 100K each (I guess 10K would be much better). Using the...
Posted on October 28, 2014 at 21:16While the STM32F4 is a real beast, it is very clear that ST people put a lot of effort in the HAL library an the CubeMX software.Unfortunately, it seems to me that this huge effort has not produce the expected resu...
Posted on October 29, 2014 at 15:24 Good afternoon, I have deal with STM32L152ZD RTC in alarm mode( alarm B), I need to make it interrupt every rtc_period seconds. Clocking source is LSE with frequency 32768 Hz, RTC working good, but interrupts ...
Posted on October 28, 2014 at 19:00 For my university i am making camera based laser spot position detector. By simply making mass centre calculation i can get position of laser spot on ccd camera. Problem is, array is large 1024x102...
Posted on October 30, 2014 at 09:51Hi, I am using the __LDREXB __STREXB functions for implementation of a threadsafe/interuptsafe functionality. How many exclusive monitors can be used at the same time in a Cortex M3 device? /Mattias
Posted on October 29, 2014 at 22:40 Hei, I have found a code on the net and I am trying to figure it out how does it work. The code sends some data via USB to PC with the UART protocol. When I compile it, it sends an error at the file st...
Posted on October 28, 2014 at 11:29hi. I'm Min-sung Jo. My MCU is STM32L151RE. I used IAP example source code. Unfortunately, it doesn't support STM32L151xE version. so I can't download program on it. first 128 byte succecful download, but anymore n...
Posted on October 28, 2014 at 09:39Hi, I built a .bin file configured to make the chip run as VCP. I flashed the .bin using busblaster successfully. I get the following message after flashing via openocd wrote 26284 bytes from file STM32DiscoveryVC...
Posted on May 22, 2012 at 14:04Hi, I've got a device with an STM32 micro in USB device mode with a program of virtual com, that communicates fine with the PC and let me send and receive from the device commands by virtual COM.Now I want to develop ...
Posted on October 21, 2014 at 18:54 Hi all, With this code I can not get the right number of tick. I suspect the tick timer has not been initialised correctly. I do not know why ! Do you have some idea ? int ma...
