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STM32F0 TIMER + DAC + DMA!

Posted on March 19, 2014 at 06:29The original post was too long to process during our migration. Please click on the attachment to read the original post.

STM32F4Discovery : Using HSE clock source for RTC.

Posted on March 31, 2014 at 11:58Dear community, Knowing that the RTC manual stated that the LSI is not suitable for the RTC, I am trying to use the HSE clock source for the RTC. I initialized the clock and RTC but the i was unable to read the time....

m_fawaz by • Associate II
  • 1668 Views
  • 4 replies
  • 1 kudos

EXTI interupt problem

Posted on March 31, 2014 at 02:01Hi i have a problem with interuption EXTI. I want to execute my principal function with an interuption with EXTI but it dosen't work ! only one instruction does work, this is my code. plz some one help me. void EXT...

haythem by • Associate II
  • 633 Views
  • 3 replies
  • 0 kudos

Wrong STM32 clock at startup

Posted on March 31, 2014 at 15:44Hello, I have a problem similar to the one discussed in the post named ''STM32F103RB - Different Clock Speed Between Reset?''https://my.st.com/public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Flat.aspx?RootFolder=ht...

MarcoM by • Associate II
  • 1077 Views
  • 3 replies
  • 0 kudos

ST-LINK/V2 ''Encountered an impropper argument.''

Posted on March 31, 2014 at 20:23Hello,    I recently made some code changes to a project I've been working on for some time and I now get the following error when trying to open the .hex file with the ''STM32 ST-LINK Utility.''''Encountered an impr...

rbennett by • Associate
  • 742 Views
  • 2 replies
  • 0 kudos

display bitmap on lcd

Posted on March 27, 2014 at 04:21Hello everyone I'm  newbie in LCD, I use keil4 for stm32f4 to display a text on LCD 128x64 and it's succes. Now I want to display a bitmap image but I don't have any tutorial about that, can anyone give me some link...

stm32f405 malloc issue

Posted on March 31, 2014 at 01:11Dear, as in several examples, i implemented my _sbrk function to be able to use malloc, as (copied from examples): extern int  _end; /*  * _sbrk needed for malloc  */ caddr_t _sbrk ( int incr ) {         static unsi...

Angelo1 by • Associate II
  • 2468 Views
  • 13 replies
  • 0 kudos

STM32F103RB - Different Clock Speed Between Reset?

Posted on March 02, 2014 at 15:43Afternoon all, I am having some problems with clock rate setting on the stm32f103 and I am hoping you can point me in the correct direction. (I think this is a very simple problem!). First up I do not have a scope on...

i_ by • Associate II
  • 1126 Views
  • 7 replies
  • 0 kudos

STM32F4 ADCs triggerd by TIM1 possible?

Posted on March 30, 2014 at 18:34Hello, at first, I try to explain my target functinality: -TIM1 generates a 3PH Center aligned PWM - the ADCs are configured in triple mode, some channels are converted and the DMA generates an Interrupt when the Tra...

maier by • Associate
  • 813 Views
  • 3 replies
  • 0 kudos

STM32F427 FMC DMA vs STM32F407 FSMC DMA

Posted on March 31, 2014 at 12:49Dear All, I've recently upgraded the CPU on a product using a 407 device, to a 427 device. We are using the DMA2, in memory to memory mode, to write from external SRAM to a display controller also on the external bus...

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