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CAN bus Network Problem

Hi everyone,I got a problem when i setup my can bus network. data 115200 Brate -> stm32f746vg(120 OHM //) --> CAN BUS----DEV1 --3M CABLE-- DEV2 --3M CABLE-- DEV3 (120 OHM //)    DEV1,2,3 = STM32F091CCI need to explain my installation. i have 4 device...

gunahmt by • Associate II
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  • 0 replies
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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
  • 792 Views
  • 5 replies
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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
  • 507 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
  • 677 Views
  • 3 replies
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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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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
  • 636 Views
  • 3 replies
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