STM32 MCUs Products

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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
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  • 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
  • 600 Views
  • 2 replies
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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
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  • 3 replies
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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
  • 1574 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
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  • 1 replies
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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...

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
  • 1813 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
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  • 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...