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Forum Posts

Maximum Timeout for Window Watchdog(WWDG)

Posted on January 18, 2018 at 06:44I have a question regarding the WWDG in STM32F103RB. What can be the maximum timeout using the WWDG or even better question will be what will be the optimum value of the APB1 clock period(ms).I know the Maximum va...

Stm32l4 iir compute time

Posted on January 20, 2018 at 20:48Hello engineers,I would like to ask you about your computing time of your iir. Ive tried cmsis but ive measured avg. 50us computing time for 32 samples using direct form biquad single stage filter. Many thanks for ...

STM32f4 USB HS HAL Driver bugs

Posted on April 19, 2017 at 23:28Hello.I'm working on application of USB communication with high speed (about 50 Mbit/s). So I used ULPI PHY.For some purpose I used CubeMX (v 4.20.1) and was surprising that my application didn't work.  Enabling DMA ...

STM32F303vc discovery import BSP library in IAR

Posted on January 21, 2018 at 19:54Hi,I have some problems with import the BSP library in IAR Workbench. I'm using stm32f303vc discovery board and i want to use the gyroscope and accelerometer installed on the board. I also followed this guide (http...

Symon by Associate II
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Sending small amout of data in high frequency using usb

Posted on January 21, 2018 at 19:10hi every one, i am using STM32CUBE with STM32F4 processor and i want to send small amout of data through USB but it takes a long time using the CUBE function USB_CDC_TRANSMIT. can someone help me do, thanks!

Ita Dab by Associate
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STM32, ADC and continuous conversion mode

Posted on January 19, 2018 at 23:16Hi. I need to have the value of 2 channels and the internal temperature.My adc is setup as this:  hadc.Instance = ADC1;  hadc.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;  hadc.Init.Resolution = ADC_RESOLUTION_12B; ...

Resolved! ADC Current sensing using a Potential Divider

Posted on January 20, 2018 at 16:48Hi All,I'm going to be building a motor control circuit, and what I would like is to be able to monitor the voltage and current going into the motor.Was going to use the STM32F108's inbuild ADC to measure this, so ...

Jive... Community vs. forum?

Posted on January 18, 2018 at 11:40Congratulations for fixing the forum! (knocking on a wood)A confusing thing for newcomers like myself is that questions can be asked in the STM32 Forum and in the STM32 Community. The latter IMHO is confusing and s...

Pavel A. by Super User
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AT24CM02 interfacing issues with STM32F072

Posted on January 19, 2018 at 18:12Hi,In our project we are using STM32F072 and have 2 Atmel AT24CM02 serial EEPROM (256KB,256 page) over i2c interface. I am using standard peripheral library 1.5 for developing firmware for this. I find strange beha...