STM32 MCUs Products

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STM32F407 Discovery + HC-05 bluetooth + PC putty

Posted on August 11, 2014 at 15:16Hello,i am new to forum, and also to stm32 discovery. So please some patience :).I am trying to send from discovery to PC.Tried with USART6 + UART2USB and in putty on PC everything works.Then i connected HC-05 to sa...

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STM32437I-Eval LCD icon display

Posted on January 17, 2014 at 16:03Hey, I am using the STM32437I eval board and trying to display my company log as icon on the LCD. The log is bmp file and 20*20 pixel. I used the emWin tools BmpCvt to transfer the bmp file to the C format, but th...

kqian by Associate II
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  • 1 replies
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STM32F4 Discovery Demo code question

Posted on August 12, 2014 at 12:14Hello.I have medium knowledge of C/C++ (it was enough to make certain devices using Atmel AVR microcontorllers). Now I try to understand the Demo example of the STM32F4 Discovery. Is there some description of it?I w...

baev_al by Associate III
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  • 5 replies
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USART 230400 baudrate in stm32L controller

Posted on August 12, 2014 at 11:44Hi , i am unable to obtain the 230400 baudrate. i am able to attaiin only 115200. please help me with the sample code . i am using usart3 of stm32l152xD controller #usart3 #baudrate #230400

amandeep by Associate II
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  • 6 replies
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How to find the current Cortex-M3/M4 MCU systick count

Posted on August 11, 2014 at 07:28Hi All,Is there any way to count the current systick value for Cortex-M3/M4 based MCU?For some type of Cortex_M4 based MCU has the ''portable_delay_cycles:' function for delay functionality. But i want the systick c...

32-bit Timer issue

Posted on August 11, 2014 at 17:10Sorry guys,I know it's a really simple question but I just don't get it... I'm using STM32F427, we all know its TIM2 is a 32-bit timer. This is the code I'm using to setup TIM2 as a periodic timer.=================...

How to Change the system Clock

Posted on August 12, 2014 at 00:35Hello I just migrated from STM32F407 to STM32F429, How DO I change the system clock from 168Mhz to 180Mhz. I modified the system_stm32f4xx.c file, but I cant change it. Please let me know.Thanks #clock #stm32f429

TCP/IP was not alive but, Ping was alive.

Posted on August 04, 2014 at 09:07Hi. I am new in here with first time to post it. I tried to use the ethernet with LwIP for stm32f407ve LQFP-100. With source of LwIP provided by STMicro electronics, I tried tcp-echo-server. But after working with l...

yiulsup by Associate
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