STM32 MCUs products

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Problem connecting with JTAG debugger

Posted on March 13, 2012 at 23:52Hello,  I am having trouble connecting my j link debugger to a custom board that has an stm32f103rbt.  The error that I get is the following:Could not measure total IR len. TDO is constant high.Here is my hardware se...

fuentes by Associate II
  • 8 replies
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Atollic Toolchain Bug ?

Posted on March 14, 2012 at 16:22I had a strange problem with the Atollic TruStudio Lite toolchain, V2.2. In my project, I had the USART receiving data in the interrupt handler into a buffer, and a main thread evaluating this data, called from main....

disabling interrupts for a moment

Posted on March 14, 2012 at 23:48Hello I want to disable interrupt while I am putting data to buffer, but I dont want to loss any interrupts during this time - I want them to be autimatically trigged when enable interrupts back. I have found in CMSI...

wadi by Associate II
  • 1 replies
  • 0 kudos

Interrupts + eCos

Posted on March 15, 2012 at 11:01Hi,i need help for interrupt handling with eCos.i made simple app with one interrupt and one thread, but i cant catch the interrupt..tnx.

ST-Link Connection error

Posted on March 11, 2012 at 09:40STM32 Value line discovery, IAR EW for ARM (, Windows XP, simple program. I have 2 computers: at home and at work. Run program at home - OK! Run this program at work - ''Make'' - OK!, ''Download and Debug...

SPI3 DMA breaks after first halfword

Posted on March 13, 2012 at 17:51 If I let run this DMA interrupts, without a while looop on the line 64 I get only first word transmitted. With a while loop it is always OK.What's wrong? void dma_tx(uint16_t *rxbuf, uint16_t *txbuf, uint16_t ...

stst9184 by Associate II
  • 6 replies
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STM32F4 Simulink blockset?

Posted on March 14, 2012 at 09:53 Greetings, I had read something about a Matlab/Simulink example in late 2011 for STM32F4 in an official presentation.How much time is left?  In an approximately way... Thanks in advance.

mst0mst by Associate II
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STM32F105 SPI3 over DMA causes HardFault

Posted on March 12, 2012 at 15:21 I have a following code to initial SPI3 communication. The code below causes a HardFault and I am still not able to find the reason:( void spi_init(void) { DMA_InitTypeDef DMA_InitStructure; SPI_...

stst9184 by Associate II
  • 10 replies
  • 0 kudos