STM32 MCUs Embedded software

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USB CDC is sending bad data.

Hello all, currently I am facing next problem - I have STM32H743 with USB configured such as CDC Virtual port COM. Receiving data works very well. But I have a strange problem with sending data. Data I send are not correct received in case of using d...

sagit_0-1719851862363.png sagit_1-1719852285037.png sagit_2-1719852427013.png
sagit by Associate II
  • 568 Views
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MCU STM32L072 WRITE FIRMWARE FLASH - BANK2

Hello everyone, I am writing a new firmware received by UART. I use DMA with Interrupt and my new firmware is in .HEX format, I receive it in blocks of 1500 in 1500 bytes, and I have a case that performs the processing of extracting the addresses, cr...

Wave by Associate II
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  • 3 replies
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Resolved! STM32F091: I2C OLED Display Stuck in STM32

I using OLED I2C display and its interface with STm32F091VBT6 MCU. My application is fuel dispensing i face issue while dispensing the OLED display is stuck. i cant find any error. can any body know me the solution.i also attached the OLED & I2C file...

Need help with simple SPI 8 bit write driver

Hi everyone! I was hoping to get some help on a function I've made which is called by timer to write to a DAC which takes 24 bit bytes, which I send in 8 bit chunks. I wanted to make my own function because the HAL_SPI_Transmit is oretty overhead hea...

devinw by Associate III
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Resolved! Bug STM32F427VGT6 SDIO 4bit mode doesn't work

STM32Cube FW_F4 V1.28STM32CubeMX 6.11.1file main.c line 209 function static void MX_SDIO_SD_Init(void)hsd.Init.BusWide = SDIO_BUS_WIDE_4B;fix hsd.Init.BusWide = SDIO_BUS_WIDE_1B;Related post.https://community.st.com/t5/stm32cubemx-mcus/sdio-interface...

vekli by Associate II
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  • 3 replies
  • 0 kudos