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STM32f4 discovery printf

Posted on April 25, 2013 at 16:47I have the stm32f4 discovery board usb connected. Debugging works but the command printf doesn't work (trace: no synchronization).System clock is set 168Mhz, SWO 2MHz. Any idea?Thank you

STM32W108xx UART implementation

Posted on February 26, 2013 at 10:10Hi  I want to show the output(i.e. sended data) on tera term terminal. How to setup tera term for that.(I am using UART for serial communication in which i am sending data from one port and receiving from other on...

STM32F103VET6 CAN Normal mode issue

Posted on April 22, 2013 at 15:07STM32F103 has one CAN only. I want to send and receive data using the same CAN in normal mode(For testing purpose, CAN sends and receives message itself ). I have tried loopback mode and it worked fine. But when I co...

ADC and DMA double buffer

Posted on April 24, 2013 at 15:59 Hi, all. I working at ADC sampler implementation. ADCsamplerhas a next flow: Timer 1 generate sample rate at 200kHz.At every Timer 1 CC2 interrupt ADC1,ADC2,ADC3 take a sample.DMA is used to transfer s...

artuom by Associate II
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Help with GPIO on STM32F4 discovery

Posted on April 24, 2013 at 23:09Hi,i'm studying about GPIOs on STM32F4 Discovery but in the User Manual i don't understand very well how GPIOs work.Can someone helps me to understand how it works?GPIOs should be 9 ports of 16 bits that SoC uses to ...

ADC and DMA, again

Posted on April 18, 2013 at 12:55The original post was too long to process during our migration. Please click on the attachment to read the original post.

dusan2 by Associate III
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PWM for stepper motor

Posted on April 24, 2013 at 11:05Hi all,plz i need to generate a signal like this one to control a stepper motor: if you have an idea don't hesitate plz. I found an example named ''6 steps'' which contains a signal like this one but it doesn't work

0690X00000603GGQAY.jpg

USART Rx problem

Posted on February 13, 2012 at 20:16Hello,I have a little problem with Rx on stm32f417.I designed my own board, byt i am putting this here, becouse i cannot find another approperiate forum.I tried to set up UART2, but i cannot make reciving working....

opiol by Associate II
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  • 13 replies
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DWT HSE Period Mesuring

Posted on April 18, 2013 at 12:20Hello!Can i mesure period of High Speed External (HSE) oscillator period with help of  DWT?I initialized DWT and can mesure number of cycles of operations.I use stm32f207 microcontroller.Thanks in advice.p.s. Or mayb...

PWM on TIM1

Posted on April 24, 2013 at 13:33Hello everybody, I ever look on webside if previous post treat my problem, but they not resolve my pb. The problem is, I try to pramreter the TIM1 PWM output on STM32, but it do not work. The TIM1 counter register CN...

benoit by Associate
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