STM32 MCUs Products

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Forum Posts

Measuring pulses on different pins

Posted on June 13, 2013 at 11:43Hello,I am trying to measure the time between the falling edge of a pulse on one pin and the falling edge of another pulse on another pin. I am trying to do it on TIM2 channel 2 and channel 3 on an STM32F0 discovery. ...

dstanton by Associate
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Timer Interrupt STM32F4

Posted on June 13, 2013 at 05:44I'm having difficulty getting a simple timer reload interupt system to work. Once the initTimer() method is called the MCU appears to stop.  Even when I comment out ''soloInd->flash();'' Any help at all would be much ...

wkanew by Associate
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STM32f4 discovery with touch screen

Posted on June 11, 2013 at 12:03hello ! can i use this TFT to interface with my board? this is the link to that TFT http://harizanov.com/2013/02/1-8-tft-lcd-display-on-raspberry-pi/img_1913/

keypad 4*4 with STM32* GPIOA

Posted on April 05, 2012 at 13:03salut, svp jr veux interfacer une clavier 4*4 avec un stm32 par les GPIO.... comment!!svp !!! NB : je met les 4 premier pins en 1     GPIO_SetBits(GPIOA,GPIO_Pin_0);           GPIO_SetBits(GPIOA,GPIO_Pin_1);         ...

eCos RTOS ported to STM32F4-Discovery board

Posted on June 12, 2013 at 20:56The free and open source eCos RTOS has been ported to the STM32F4-Discovery board. Details at:http://ecos.sourceware.org John Dallaway #ecos-rtos

jld by Associate
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STM32F407VG - write protection after power supply failure

Posted on June 12, 2013 at 18:01After power supply failure the processor is locked for writing. I've tried many ways to solve this, but with no result.Processor refuses programming. Every attempt to change ''Option bytes'' with st-link utility finis...

krolik by Associate
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SPI RECEIVE DATA

Posted on June 10, 2013 at 18:53Hello,I am programming a resistive touch screen controller, the AR1021-I/SS.http://ww1.microchip.com/downloads/en/DeviceDoc/41393B.pdfThis device communicates with a SPI port. Data are transmitted on SDO at SCK fallin...

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HSI-PLL 64Mhz Problem

Posted on June 12, 2013 at 11:36Hi,I have STM32103C6 and my code goes well if I use HSE with PLL (72Mhz). But I try to have 64Mhz SYSCLK and HCLK using HSI. But every time when I am debugging, I see that after clock configuration, the code goes to H...

vcelik by Associate II
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STM32F40G_eval

Posted on April 15, 2013 at 17:31STM32F40G-Eval Hi, Am having this error, &sharperror ''Please select first the Evaluation board used in your application (in Project Options)''    i commented   /* &sharpdefine STM32F427X */ in STM32F44XX.h but i st...

ADC inputs interfere

Posted on June 11, 2013 at 02:12 Running the following two ADC3 inputs, channels 11 and 12 (PC1, light sensor and PC2 potentiometer) on STM32F4Discovery, problem is that when I vary the PC2 input, the reading pertaining to PC1 also varyies a bit....

pccmd by Associate II
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