STM32 MCUs Embedded software

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STM32F769I USB-HS MSC gives low read/write speed

Hi, I am using a STM32F769I Disco board for testing the speeds of the High Speed USB as a MSC. At present, the system is working as expected as a MSC over uSD. However, my concern is with respect to the read write speed of 2.5MB/s which seems to be v...

required I2S clock frequency

Hi, I am using MP34DT05TR-A microphone with stm32f401re mcu. What is the I2s clock frequency required to get 24bit data at 48Khz sampling frequency. I also need to know the rate at which the data will be received from I2S?. Is it same as the sampling...

KK Y.1 by Associate II
  • 1538 Views
  • 4 replies
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boot loader - SD card

hi, In final end product we can't use the programmer for firmware update or upload the new program to chip . We need easy solution that compiled program in binary file has to be programmed in chip from SD card or USB Pendrive . In filed very difficul...

MMARI.1 by Senior
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  • 2 replies
  • 1 kudos

Resolved! Running C functions transfered during runtime

Hi,I'm currently developing a PLC-like device based on a STM32F429ZI. It works with FreeRTOS, and the I/O logic is implemented in a single C function, which only accesses a couple of buffers (the locations of which are known prior to compilation). Th...

Áde R.1 by Associate II
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  • 4 replies
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STM32F746 USB MSC Host not working

I am using STM32F746G-DISCO board.Configured USB FS in MSC HOST mode.After connecting the Pendrive, ReqStatus in following part returns USBH_BUSY  case ENUM_IDLE:   /* Get Device Desc for only 1st 8 bytes : To get EP0 MaxPacketSize */   ReqStatus = U...

Rohit.1 by Associate II
  • 562 Views
  • 1 replies
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FATFS on external SDRAM Problem

HiI work on stm32f746 discovery and I want to configure FATFS on external sdram. I use STM32CubeIDE 1.6.1. when I create my project and mount disk, return error (value 13 = FR_NO_FILESYSTEM). does everyone know about this problem or is there any samp...

EKari.2 by Associate II
  • 658 Views
  • 3 replies
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Resolved! STM32H745II, SPI Boot programming not working.

Hi .I have STM32H745II controller, I am keeping its boot pin at HIGH state and providing reset condition.Host controller's SPI pins are connected to SPI3 pins PC10, PC11, PC12 and PA15 of STM32H745II for communicating in SPI boot mode.Here STM32H745I...

VTaya.1 by Associate III
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  • 5 replies
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How to abort or timeout CDC_Transmit_FS

I am sending with CDC_Transmit_FS by USB CDC, but USB_TransmitCplt_Callback is not called unless the other computer receives it on the COM port.How do I time out or abort a send?MCU: STM32L433CCUxLibrary Version: STM Cube FW_L4 V1.17.0

Yoshi1 by Associate III
  • 1553 Views
  • 4 replies
  • 1 kudos

STM32G0 USB_DP/DM 3.3Volt

we are planning to use STM32G0 for our next generation design with its USB port, two application is considered:Use it as VCP, the signal from PC is +5 Volt, but the MCU is +3.3 Volt, can the USB port DP/DM pin directly connect to MCU pins? or require...

New.Fish by Associate III
  • 711 Views
  • 2 replies
  • 0 kudos