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Resolved! SPI driven 74595 shift register produces random output

Hi folks,For the past 2 days, i tried to setup a simple SPI communication to feed a shift register with 7-segment data.I already have done this in the arduino IDE, using shiftOut.Now I want to make this more elegant with the CubeIDE. I set up an SPI1...

Stipe by Associate II
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  • 4 replies
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Resolved! reading adc value always zero. help

  /* USER CODE BEGIN Header */ /** ****************************************************************************** * @file : main.c * @brief : Main program body ***************************************************************...

STM32H7B0 incorrect ADC sample rate

Hey,We using an STM32H7B0 100 pins MCU.With this mcu we will sampling 1 16 bit ADC input at 1 MHz and we using a DMA in circular mode for 1000 samplesThe ADC clock works at 48Mhz, the clock precaler for the ADC is divided by 32 and the sample time is...

OGhis_2-1723818782378.png OGhis_1-1723818766460.png OGhis_0-1723818752330.png
OGhis by Senior
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  • 9 replies
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STM32F4xx TIMER1 ETR

Hello, I am struggling to get the TIM1 of a STM32F411 to be triggered by an external GPIO. What I want to achieve is having ETR1 (PA12) to trigger TIM1 and have 4 repetition of 199 periodI am using STCubeMX and I must do something wrong as it is not ...

vbesson by Senior
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  • 5 replies
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Resolved! STM32 ST-LINK Utility program

After downloading the program using STM32 ST-LINK Utility, the download is reported as successful. However, upon power cycling the device, the program does not run. It requires clicking "Connect" again after the program has been downloaded for the pr...

Troy-1 by Associate
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  • 2 replies
  • 0 kudos