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not getting DMA interrupts for some reason

Posted on May 15, 2012 at 17:13i've faced a couple of problems, trying to launch a MT9D111 camera along with STM32F217ZG microcontroller through DCMI interface. I've got all the interrupts from DCMI, but i can't catch any interrupt from DMA, althoug...

NVIC

Posted on May 15, 2012 at 11:33Hi, Does NVIC requires unique clock configuration, besides ''SystemInit()''. More prcisely what is the clock that opeartes NVIC? Thanks.

ybitton by Associate II
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comparator of STM32152RBT6

Posted on May 15, 2012 at 10:02HelloIs it possibleto give mea smallexample programfor comparingan input voltagefrom theinternal thresholdusing thecardcomprateurSTM32152RBT6knowing thatI writethe program usingIARsystembutI 'can notverifyisthat thepro...

Determining the value of VECT_TAB_OFFSET

Posted on May 15, 2012 at 02:39I recently had a problem where my SysTick_Handler wasn't firing.  The solution was to change the VECT_TAB_OFFSET from 0x00 to 0x4000.  How does one determine what his value should be?  If it can be different based on o...

mfranklin by Associate III
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Problem of 3-Wire Fan Speed Measurement & Control

Posted on May 13, 2012 at 12:58Recently I was designing a subsystem of closed loop fan control.  This diagram shows the method: using a channel of PWM to control the speed (GND method), and a channel of capture module to measure fan speed. The box o...

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Failure loading STLinkUSBDriver.dll

Posted on May 13, 2012 at 22:33did a google search none of the links worked. I installed st-link_v2_usbdriver.zip, ST-LINK_Utility_V2.2Patchv10.zip I searched my computer for STLinkUSBDriver.dll and could not find it. I was able to install the STLin...

bjfree by Associate II
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the throughput of the FSMC in STM32F4XX

Posted on May 14, 2012 at 12:55In my project we want use STM32F4xx, we wonder to know the throughput(max access speed) of the FSMC in STM32F4XX with the condition of the max working frequency(168MHz) of the CORE. #throughput-stm32f4xx-fsmc #rtfm

live1223 by Associate
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