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Stm32f4 get system time (microsecond)

Posted on August 09, 2016 at 10:24hi every bodyrecently for developing a realtime system in my stm32f407 micro controller i need to calculate each bus delay(uart , spi , i2c ,..) . for that reason i need to get system time in microsecond unit.i'm us...

New install New user

Posted on August 02, 2016 at 04:54I just installed for the first time, I am familiar with eclipse, and when I attempted to create my first project I get the error jconfig.h,No such file or directoryI have a stm32f7 disco board that I am trying to fi...

ray23 by • Associate II
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postpone and resume USB receive data?

Posted on August 05, 2016 at 19:11I am working with a project with USB CDC vitual Com port and wonder if there is any way to postpone the receive data (tell the computer to stop transfer data ) and then resume it when the process is done? 

Cannot get STM32 host to enumerate a device

Posted on April 20, 2015 at 13:21Hello everyone! This is my first time in the forums... so greetings to all of you. I've been trying for the past week or two to compile the uC as a USB FS host and enumerate a device (for testing purposes I'm using a...

magester1 by • Associate II
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STM32F401RE SPI-Bootloader Erase - does not work

Posted on July 28, 2016 at 21:50Hello, I have a problem with the erase command for the SPI-bootloader. 1) The documentation says 0x44 in the text and 0x43 in the figures (AN4286 DocID024458 Rev 2) 2) The documentation is inconsistent with the use of...

STM32F746G-DISCO Power Measurement

Posted on August 05, 2016 at 15:03Hello, I am interested in doing some power measurements on the STM32F746G-DISCO board. The most straightforward way to do this seems to be to measure the current powering the entire board. However, this does not see...

harry1 by • Associate
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External interrupts question

Posted on August 08, 2016 at 20:22Hi.Currently I use PA15 pin as external interrupt. The ISR routine is common for lines 10 through 15 and it is called EXTI15_10_IRQHandler. Now, I would like to have another signal connected to pin PB12, which has s...

matic by • Associate III
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  • 3 replies
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cubemx- USB Host MSC FATFS code

Posted on December 21, 2015 at 12:51I tried to generate code for STM32F407VG using cubemx[4.12] with following settings for STM32F4-Discovery.    - RCC -  High Speed Clock(HSE) –Crystal/Ceramic Resonator,       - USB_OTG_FS – Mode [Host Only ] &  A...

prabhu by • Associate II
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  • 1 replies
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STM32F0DISCOVERY Order problems

Posted on July 29, 2016 at 19:21Hi:I am trying to order the STM32F0DISCOVERY through ST (on the website). I get the part into the cart; but, I cannot proceed past the page where my shipping details are given.I get a brief display of a red banner wit...

roy by • Associate II
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  • 6 replies
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