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Forum Posts

I2C Alternate Function Configuration

Posted on August 09, 2016 at 05:52All,I believe that I have all my registers configured correctly for my I2C interface on the  STM32F429ZIT6 but I have a question regarding the settings of the GPIO alternate function settings in GPIOx_AFRL and GPIOx...

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HAL_gpio driver switching speed

Posted on August 09, 2016 at 19:29Is the HAL_gpio driver slow compared to driving a pin in another fashion?If I use HAL_GPIO_WritePin(GPIOA, ANA_IN_J1_02_Pin, GPIO_PIN_RESET);HAL_GPIO_WritePin(GPIOA, ANA_IN_J1_02_Pin, GPIO_PIN_SET);At 16MHz I would ...

gerhard by Associate II
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Interrupt Handlers aren't called

Posted on August 09, 2016 at 21:49  The original post was too long to process during our migration. Please click on the attachment to read the original post.

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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  • 1 replies
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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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