STM32 MCUs Products

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Forum Posts

Measuring a time between two events with SysTick on STM32F4?

Posted on October 23, 2014 at 20:45Hello all, i want to build a function like current_time = time_now - last_time,  more exactly i wanna  get the time from two of the same event (reading some mems sensors) I'ved google`it a bit and found that most u...

Bogdan by Senior
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stm32f030 jtag connection

Posted on May 02, 2014 at 06:46 hi, i am very new to stm32,i have to make jtag connection also for debugging and programming. i have concerned with stm32f030R8t6 disco schematic but i was unable to find more detail about 20pin jtag as its using st_l...

How do I connect the STM32F4 Discovery to external power?

Posted on October 22, 2014 at 07:20For the STM32F4 Discovery board, can someone tell me exactly what pins need to be connected in order to power this externally (i.e. not via USB)? Surprisinginly, I can't find any place where this information is cle...

sandtime by Associate II
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STM32F429I-DISCO 2.4'' LCD Problem (white lcd)

Posted on October 02, 2014 at 14:29Hello all. I have a discovery board with the 2.4'' LCD.When i download any example with GUI in all situations and wait some time the screen goes white.  Does anyone knows why and if the board is defective.Thanks.

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issaiass by Associate
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USB port on 32L152CDISCOVERY

Posted on October 22, 2014 at 09:16Hi, I notice that the 32L152CDISCOVERY device has only1 USB port, which is connected to the ST-LINK V2 part. Can I configure this port for ''user'' USB communication as part of my application running on the STM32L1...

bnp979 by Associate III
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usb bootloader in cortex-m3

Posted on October 16, 2014 at 12:50Hi everybody, this is my first post on STe2e, so be patient with me. I've read a good amount of threads related to bootloaders/interrupt/VTOR but I cannot find a final word to my problem so I decided to start a new...

STM32F0 UART not sending data

Posted on October 20, 2014 at 11:20 I'm new in ST world. I'm trying to work with UART, so I wrote this code to initializate UART and to send ''Hello''. I'am using STM32F0 board. #include ''stm32f0xx_gpio.h'' #include ''stm32f0xx_rcc.h...

mahfoudhi by Associate II
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What is the best IDE for STM32?

Posted on October 22, 2014 at 09:51used for many yearsKeilproducts,butlatelyI findthat it containsmore errors,backlogsandproblems thanis healthy.Is thereTrueStudioorIAREmbeddedWorkbenchforARMbetter?

asrock70 by Associate II
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Virtual Com example in Iar 6.50

Posted on October 22, 2014 at 17:33Hi guys,after the Iar Embedded Workbench 6.50 installation, I found this folder in this path:...\ST\arm\examples\ST\STM32L1xx\IAR-STM32L152VB-SK\VirtualComCan someone explain me how can I use this example on my stm...

ndonj86 by Associate II
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