STM32 MCUs Products

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Forum Posts

USART doesn't transmit first character

Posted on March 25, 2013 at 12:30Hi,I have a problem with transmitting character through USART3 port in STM32F207.Here there is the USART configuration code:--------------USART_DeInit(USART3);USART_InitStructure.USART_BaudRate = 115200;USART_InitStr...

lorbek by Associate II
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  • 11 replies
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DELAY help

Posted on July 19, 2013 at 07:34Im trying to create a delay but im lost on how to make one, any code would be great.-Tim

timothy by Associate II
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  • 4 replies
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compensating latencies on STM32F4 interrupts

Posted on September 14, 2012 at 14:29 I'm working on a project on a STM32F4 CPU, generating signals (VGA) with DMA. I have a generic timer on CPU clock (no prescaler) on a STM32 triggering interrupts on overflow, to generate a periodic signal ...

stm32f4discovery problem with hc-05 bluetooth module

Posted on March 17, 2014 at 16:56I'm having a problem with my usart communication between stm32f4 and hc-05 bluetooth module. I'm trying to configure the AT command of HC-05 using the stm32 board and i'm checking the response using the USB serial mo...

raykill99 by Associate II
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  • 9 replies
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stm32f405, hardfault help

Posted on March 18, 2014 at 19:38Dear all, i am still in a beginner phase with stm32, and trying to output a square wave from a GPIO PORTA pin. But program loops in hardfault: > step target state: halted target halted due to single-step, current mod...

Angelo1 by Associate II
  • 511 Views
  • 2 replies
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U-boot on STM32F4-DISCO

Posted on March 17, 2014 at 20:36Hello everyone,I am trying to make U-boot work on my STM32F4-discovery board, and I downloaded the Emcraft version which supports the STM32F429-Disco board. I have made the required modifications (I hope) but I am fa...

amine by Associate II
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  • 4 replies
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STM32F4-Discovery Timer External Clock Mode 2, blocked at 1

Posted on March 18, 2014 at 16:35 Hello all, I’ve been fighting for 2 days with a STM32F4-Discovery board to get the Timer 3 counting properly in External Counting Mode 2 but I can’t figure out what’s wrong in my code or in the MCU config. ...

timothe by Associate
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  • 3 replies
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Can't Set PLLI2SCFGR

Posted on March 18, 2014 at 18:39I'm trying to configure the I2S pll for what will ultimately be 8KHz sampling and using the STM32F4xx_ClockCOnfiguration_V1.1.0, I get values of PLLI2S_N = 256PLLI2S_R = 5for a crystal of 8MHz and HCLK at 168MHz...Ev...

STM32 + lwIP and multicast support

Posted on January 03, 2012 at 17:08Hi All, I starting to use the STM32 with lwIP stack and I will need to use the multicast. Is there any example or demo for this ??? Thank you in advance. With Best Regards   #stm32-+-lwip-+-multicast