STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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Forum Posts

How can I set starting address for FATFS in sdram?

Hi I made a custom board with "stm32f746". This board has a 32MB sdram (MT48LC16M16) and a "800×480" lcd. I use from STM32CubeIDE and touchgfx. I want to allocate 2MB of sdram (from 0xC0000000 to 0xC0232800) to frame buffer of lcd and I need to use r...

EKari.1 by Associate II
  • 878 Views
  • 1 replies
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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
  • 1944 Views
  • 4 replies
  • 0 kudos

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 II
  • 1543 Views
  • 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
  • 2228 Views
  • 4 replies
  • 0 kudos

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
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  • 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
  • 837 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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