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Forum Posts

DMA and CPU accessing SRAM same time

Posted on March 19, 2014 at 15:28Hi,I am working on a system using STM 32F107 processor(connectivity line). Because of our requirement same memory location of SRAM is accessed by both CPU and DMA. CPU is supposed to move the data from initial locati...

nmadhavan by Associate II
  • 9812 Views
  • 7 replies
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ADC regular channel not ready after enabling ADC

Posted on June 09, 2012 at 21:53I'm trying to use a single ADC channel on a STM32L151 using Keil Realview and ST libraries. After enabling the ADC I wait until the ADONS bit is set indicating the ADC is ready to convert but it does not set. Looking ...

bluscape by Associate III
  • 1050 Views
  • 6 replies
  • 0 kudos

NETMF bugs with STM32F429IDiscovery

Posted on March 19, 2014 at 23:03Hello,I've noticed that the .NET micro framework port provided by ST for the STM32F429IDiscovery board has a bug with LCD code.   If one tries to use the .flush method on a bitmap object while specifying X,Y, Width, ...

Problem sending with USART_SendData

Posted on March 20, 2014 at 16:25 USART_SendData(USART1, 12); USART_SendData(USART1, v_dc_int); USART_SendData(USART1, v_dc_fra); If I send only one of the it is received fine. But if I send them all, I only can see the last of them. Do I...

pedroh44 by Associate
  • 450 Views
  • 1 replies
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delay function Mcs o mls

Posted on March 18, 2014 at 22:06Hi, I'm looking how to perform a  delay function whith microsecondor milisecande Who can help me ?thank you alot

haythem by Associate II
  • 848 Views
  • 8 replies
  • 0 kudos

ADC initailization problem on STM32L series

Posted on March 20, 2014 at 13:52Hi, I am trying to use ADC for reading the voltage on pin A4.. I wrote an initialization method, however it get stuck in the last WHILE. Here there is the code: void ADC_Initialize(void) {   ADC_InitTypeDef  ADC_Ini...

luca2 by Associate II
  • 448 Views
  • 1 replies
  • 0 kudos

SIP Stack for STM32F4

Posted on March 19, 2014 at 10:19I want to build a VoIP Phone ith STM32F4. Does anybody know, if there is a small SIP-Stack that can easily used with microcontroller. Thanks Marc #cross-post

doebber2 by Associate II
  • 1130 Views
  • 2 replies
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SPI TI mode

Posted on March 19, 2014 at 10:49Hello,could somebody explain me what is TI mode in SPI? Thank you #ti-mode #spi

karolina by Associate II
  • 1526 Views
  • 2 replies
  • 0 kudos

General question about DMA

Posted on March 18, 2014 at 22:45Hello everyone, i have a few general questions about DMA and i will appreciate the help if someone could answer to my questions. I know it is used to transfer data at high speeds between memory and peripherals, or me...