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Forum Posts

ADC front end design to remove high frequency noise

Hi everyoneI am working with STM32F429Zi microcontroller on a customized board. I am acquiring the signal shown below (oscilloscope screenshot) with ADC3 at a sampling rate of 300ksps. The input signal is a 10kHz sinusoidal waveform superimposed on a...

0690X00000DXP25QAH.png 0690X00000DXP2AQAX.png 0690X00000DXP2FQAX.png
ADITI by Associate II
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Should I set HAL_DMA_STATE_READY in circular mode?

Hi,I'm implementing a circular buffer for UART transmit via DMA on an STM32L4 device.I've got a callback that updates the read pointer and calls another HAL_UART_Transmit_DMA if it's still not equal to the write pointer.This callback is called by:HAL...

Stijn1 by Associate II
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How to increase SPI display (ili9341) draw speed?

How to fill the screen with one color without seeing the draw pattern from top to bottom?All I want is to make screen instantly change color. I understand that drawing bitmap might be slow, but I want just one color.Is there a way to reduce display c...

JBond.1 by Senior
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UART_Mutex not working properly!

Dear friends,I've created a UART mutex and when threads only send data over uart, everything works fine but when it is time to also receive data, after a while data is corrupted and the information is wrong and no data is valid! if( osMutexWait(modb...

Mujtaba by Senior
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  • 1 replies
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