STM32 MCUs Products

why I can only run *(__IO uint32_t *)(0x6C000000) = data; from main.c

I am trying to use FMC and I am using *(__IO uint32_t *)(0x6C000000) = datato send the databut it only works from main.c I had bunch libraries included in other files too.when I try to create new c file and put there I am getting errors. Can anybody ...

IAP with UART

Hello everyone,Here i am trying to implement IAP using UART in stm32 and successfully implemented also but using YMODEM but i want to use only UART without Ymodem protocol can anyone help to create a function or file to receive .bin file from UART an...

STM32F103 and I2C TX using DMA, byte array issue

Hello, i have the following setup code for i2c and DMA, where i use i2c1 to send some buffer data to a display. DMA_DeInit(DMA1_Channel6); DMA_InitStructure.DMA_BufferSize = DMA_I2C_BUFFER_SIZE;//BufferSize; DMA_InitStructure.DMA...

Usage of TIMER2 on STM32F103C8 for encoder & pwm generation

Hello,i am using on stm32f103 timer2 where channel1 & channel2 are used as input capture for reading a external rotary encoder.Since my design is quite tight ( using almost all pins available), i need to generate a PWM for an external LCD backlight ...

how to get 50 % duty cycle with complementry pulse

i want to generate 50 % duty cycle at freuency (100khz-200 KHz), but i am not getting 50% , i am getting 33-34% duty cycle.this duty cycle change when the frequency change.

STM32H743 - Problem with DAC DMA and SPI Receive DMA when adding the FreeRTos.

HiI am working with a project were i am using two DAC channels and a SPI port set to receive mode and I want to use these in DMA mode. I am using the CubeMX to set this up and if I only setup the DAC and SPI in DMA mode, then it works as it should, w...

STM32U5 SDMMC HAL_SD_GetError() error HAL_SD_ERROR_RX_OVERRUN.

This is DMA error: SDMMC_ERROR_RX_OVERRUN meaning Receive FIFO overrun. This typically occurs after about 1 week of normal running. I have a test mode that simulates SD card usage to recreate 100 days of usage in 22 hours.If the SD card is kept on, t...

in STM32h750ib MCU, can the classic CAN(CAN2.0) IC can be used instead of using CAN-FD IC?

How to read a voltage value, working with a single-ended ADC in STM32H743?

Hi there! I’m an electronic engineering major, and I currently enrolled in a graduation side-project activity in robotics and mechatronics. During this process, I’m supposed to work with STM32H743. By now, I need to read a single-ended voltage value ...

bank swapping in stm32h745

Hi, I want to use OTA in stm32h743, for that I need to switch between two bank after flash write, as per reference manual//HAL_FLASH_OB_Lock(); HAL_FLASH_OB_Unlock();   /* Set OPTSTRT Bit */ SET_BIT(FLASH->OPTSR_PRG, FLASH_OPTCR_SWAP_BANK); /* Wa...