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need to have time separate from main loop_stm32f407

Posted on September 19, 2014 at 15:30hi every body in my program i need to do somethings in specific time , this ''time'' is not equal all the time.for example for doing first job i need to do it 5 sec after a flag become set. and after that i need ...

DMA2 (Can't Configure Seperate Streams for ADC1 and ADC2)

Posted on September 18, 2014 at 17:44I have the STM32F407 Discovery board. I am configuring two streams using DMA and ADC The first stream uses Stream 0 channel 0 of the DMA 2 ie ADC1 which reads the value of ADC chanel 9 1N9 and gets sent to circu...

Puzamoya by Associate II
  • 3303 Views
  • 7 replies
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The importance of DMA for ADC

Posted on September 19, 2014 at 10:11Hello,I am wondering what's the utility of using the DMA when getting informations from ADC IP. Thank you.Best regards #adc #dma

anes by Associate
  • 1325 Views
  • 2 replies
  • 0 kudos

Feed Two GPIO From Same Timer?

Posted on September 19, 2014 at 16:25I had been using two different timers based on a PLL to feed two different GPIO pins. It may be creating some timing shifts that my hardware (custom ASICs) don't like. I tried feeding both GPIO from the SAME Time...

jvavra by Associate III
  • 1439 Views
  • 3 replies
  • 0 kudos

STM3210B Not getting detected

Posted on September 10, 2014 at 22:09Hi,I have STM3210B and I am trying to connect it to PC. However, I am unable to connect it. I have installed all the STLink V2 drivers. Besides, I also download STVP tools as well, which installed its drivers.Whe...

shauns87 by Associate II
  • 4293 Views
  • 11 replies
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Three PWM signal with variable phase shit and duty cycle

Posted on September 19, 2014 at 12:34 Hello, I want to generate three phase shifted PWM signals whit variable duty cycle and phase shift using SMT32F407VGT.  Is this possible?  I found this post on my.st.com https://my.st.com/public/STe2ecommunit...

sh2 by Associate II
  • 1189 Views
  • 1 replies
  • 0 kudos

time managment

Posted on September 18, 2014 at 18:45Hi, I havea question to askI'm workingwith the STM32Ldiscovery board.Currentlya while loopcyclicallyacquiresdata from twoexternal sensors.I'd like toknow thefrequency with whichI acquiredata from the sensorsso th...

simval986 by Associate II
  • 1830 Views
  • 3 replies
  • 0 kudos

IDE for stm32 from ST

Posted on September 15, 2014 at 12:40Hi, when will be available IDE for STM32 from ST?When I was on workshop in May (about STM32L0) I heard that will be available the end of August. Best regardsRafal #!rocketscience

rafal by Associate
  • 3078 Views
  • 8 replies
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STM32 embedded GUI library - icon problem

Posted on September 18, 2014 at 20:04Hi everyone! I try to use STM32 embedded GUI library ( http://www.st.com/web/catalog/tools/FM147/CL1794/SC961/SS1743/PF257934 ).  I use STM32F103Z with 64kB SRAM, and LCD with SSD1289 controller. I have one probl...

lukabit by Associate
  • 1107 Views
  • 1 replies
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FSMC FSMC_AccessModes

Posted on September 19, 2014 at 06:42Hi, Can anyone please tell me why there are 4 different Access modes i.e A,B,C and D to access SRAM or NOR flash?. Furthermore can anyone tell me how to add more wait states to access memory mapped peripheral wit...

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