STM32 MCUs Products

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USART_SendData adding bits

Posted on July 17, 2013 at 11:42Hey I'm running the STM32L1 chip with an XBEE unit and everything works perfectly except my Tx adds bits when there is an even number in the unsigned char (I typedef this as BYTE) being sent. Shows in Putty and X-CTU....

USB VCP on STM32F3 discovery with FreeRTOS

Posted on February 27, 2015 at 03:04Hi there,I have the STM32F3 discovery board and running a FreeRTOS.I also have the USB virtual Com port (VCP) code from here: http://www.pezzino.ch/stm32f3-discovery-usb-virtual-com-port/ I have tested the USB VCP...

ayaka by Associate II
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Multipurpose timer

Posted on March 13, 2015 at 01:51Hi, we're using stm32f103c8t6 to generate various PWM signals to various components on the PCB. TIM1,3,4 are used to generate different PWMs and TIM2 is used as a 1ms timer. Recently we've realized that we will need ...

stm32f3 -accelerometter- gyroscope

Posted on March 15, 2015 at 04:33hi guy. I have a problem with accelerometter- gyroscope: how to set address for accelerometter by I2C I need code communication with  gyroscope A3G4250D thanhk you very much!

PWM input works on TIM2 Ch2 but not Ch3

Posted on March 14, 2015 at 11:40Hi, I'm measuring the pulse width on one line, using TIM2. Everthing is fine if I use Ch2 (on PD4 or PB3) but I can't get a reading using Ch3 (on PD7). I'm using : TIM_GetCapture1(TIM2) Here is the init code, thanks ...

STM32F407 not going to sleep on __WFE()

Posted on March 11, 2015 at 18:12I am running STM32F407 with IAR EW toolset and trying to put the CPU into sleep mode.The processor never stops at __WFE( ).Any idea what I am doing wrong?

read/write multiple files using fatfs

Posted on March 14, 2015 at 02:59i require to open multiple files simultaneously and, read and write multiple files using stm32f4 and fatFs , as a test i used f_open with 4 different file names and file pointers but only two files got created in car...

scholar by Associate II
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FIR filtering on STM32F4

Posted on March 12, 2015 at 09:36Hi,in my application, I need to make signal filtering using digital filters.I take ARM's DSP library and fir example, but it is not so useful for me, because there are samples stored in memory already and they are us...

tm3341 by Associate II
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STM32F105 SPI2 issue

Posted on March 13, 2015 at 19:06Hello all, I faced problems with SPI2. First I interfaced a graphic LCD on SPI bus and could not get to working properly, though it works well on an Atmel 8 bit controller. Spent more than 3 weeks without much luck. ...

nps by Associate II
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