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magnetomter

Posted on August 08, 2016 at 14:39Hello folks, I am trying to implement the LIS3MDL magnetometer. I have a small confusion about its configuration. It have option of +-4 gauss upto +-16 gauss. So for the full scale configuration, i should configure ...

FreeRTOS + stop mode on STM32L151

Posted on August 10, 2016 at 05:44Hi, I use STM32Cube_FW_L1_V1.5.0. I want to create FreeRTOS + stop mode with RTC. I try to merger two projects (STM32Cube_FW_L1_V1.5.0\Projects\STM32L152D_EVAL\Applications\FreeRTOS\FreeRTOS_LowPower) and (STM32Cube...

hmtsai12 by Associate
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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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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...