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stm32f407 delay problem

Hi, I am using the stm32f407 card and I am developing keilda software but when I compile it does not fail but the delay does not work and I would be glad if you could help what could be the reason.

bnymntrz by • Associate III
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  • 6 replies
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7 segment display and hc595

Do not use scanning method.Display with hc595 output.display doing blinkThe display does not remain steady when operating.I suspect Spi.I need helpthanks #include "stm32f4xx_conf.h"   #include "stm32f4xx.h"   #include <stdio.h>       #define CLK ...

kemal by • Associate II
  • 890 Views
  • 5 replies
  • 0 kudos

STM32F769I-DISC1 no speaker output via WM8994

Hi,I am currently developing with the STM32F769I-DISC1 development kit and get audio output via the CN7 Line Out connector when setting the initialisation to OUTPUT_DEVICE_HEADPHONE in the sample example as below: if(0 != audio_drv->Init(AUDIO_I2C_AD...

JFour.6 by • Associate
  • 568 Views
  • 1 replies
  • 1 kudos

Problem while receiving data from MEMS microphone.

I am using the STM32F407 discovery board and Wolfson pi audio interface. I have a problem in analysing sample values received from MEMS microphone.I wanted to plot the data sensed by the MEMS microphone, which is just sensing the surrounding environm...

rrach by • Associate II
  • 753 Views
  • 3 replies
  • 0 kudos

I2C by IT [solved]

Hi,I use I2C like this uint16_t I2cAddrTemp = 0x90; uint8_t I2cWritedata = 0x00; uint8_t I2cReaddata = 0xFF;   uint8_t read_i2c_temp(void) { hi2c1_status = HAL_I2C_Master_Transmit(&hi2c1, I2cAddrTemp, &I2cWritedata, 1, 1000); //PRINTF("I2c = %02X",...

MMath.10 by • Associate II
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  • 0 replies
  • 0 kudos

Plug-in "com.st.microxplorer.rcp" was unable to instantiate class "com.st.microxplorer.eclipse.rcp.MicroXplorerView".

Hello, I've installed Eclipse IDE for C/C++ Dev (V. Oxygen.3a release 4.7.3a) in Windows 10.I've installed stm32 cube mx plugin (en.stsw-stm32095.zip) following procedure on UM1718 user manual ("Installing STM32CubeMX as an Eclipse IDE plug-in" parag...

LucaCMA by • Associate II
  • 388 Views
  • 0 replies
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I2C2+DMA1 and UART4+DMA1

Hi all,I'm having some trouble getting DMA to service sequential uses of I2C+DMA transactions.​​​I can have the I2C+DMA initialize our demodulator, which involves some 12,000 reads and writes. (So, I2C+DMA works *very, very well* when it works.) I ca...

EJohn.17 by • Associate II
  • 813 Views
  • 3 replies
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STM32F407 SDIO/SDCard

Posted on March 29, 2018 at 04:32I am trying to get the STM407VET to communicate to an SD Card using the SDIO interface and drivers. Code base was generated from CubeMX and Eclipse is the IDE. Debugging with Open OCD. Hardware is custom. I have trac...

Resolved! FMC memory map confusion

Hello,I have a little confusion regarding FMC memory map. I hope someone can help me with it.Accoring to reference (stm32h743) FMC external memories are mapped as following:0x6C000000 -0x6FFFFFFF FMC NOR/PSRAM/SRAM 4 Bank1 (or remap of FMC SDRAM Ban...

ranran by • Senior II
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  • 3 replies
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