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Accidental EXTI-Interrupts on STM32H735

Hello,maybe someone has an idea or can share an similar experience. Since I'm currently in the evaluation phase for selecting an MCU for our new industrial embedded project. I want to inspect and analyze this problem, to be sure the used MCU is worki...

AZorn.1 by Associate III
  • 5759 Views
  • 30 replies
  • 10 kudos

Compilation error while integrating DSP library

While replicating the method of integrating DSP libraries into my STM32 project as discussed in the following thread: tutorial , I encountered the error #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" du...

error_fpu.png solucao.png resultado.png

Resolved! APB1 TIM2 clock frequency

I want to use tim 2 at the frequency of APB1 and not to the sysclock how i can do that, can somoene explain me or look at my code at the bottom to help me i want to use the 0.09375 frequency for my projet. thanks 

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Resolved! STM32H5 bank swap and EDATA

I'm wondering what happens with the EDATA sectors when bank swapping is enabled.In the GetBank_EDATA() helper function in the FLASH_EDATA_EraseProgram example, the FLASH_OPTSR_SWAP_BANK flag is not checked, so it would seem the EDATA areas do not swa...

PieterG by Associate III
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  • 2 replies
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Resolved! STM32F302 - I2C Error Code

Hello Community :), I'm using the I2C of the STM32F302:I2C configuration:7 bit data standard mode "100 KHz"mode pollingWhen initiating communication between the STM32 and the sensor, the "HAL_I2C_Master_Transmit" function returns "HAL_ERROR." Upon in...

MohamedAymen_0-1707321453193.png

STM32H503RB & Pmod I2S2 module problem

Hello, I have a problem with my NUCLEO H503RB. I'm trying to make it work with Pmod I2S2 module (ADC+DAC). For now I've connected only ADC via I2S1. This is my HW configuration: I2S config: GPDMA config: Code: No data stored:   As you can see, I...

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sebxx4 by Associate III
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  • 0 replies
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ADC MULTI CHANNEL DMA isssue

I' m using ADC2(with 4 channel ) and ADC3 (with 2 CHANNEL) i need them to measur current from 6 sensor ACS712 the process was fine with DMA  and works pretty good, but the problem  is with the while loop.  the while loop never runs. i found some tuto...

kkhli.1 by Associate III
  • 749 Views
  • 1 replies
  • 0 kudos

Restarting UART DMA using HAL

Posted on October 09, 2016 at 23:26What is the best way to restart a DMA servicing a UART using the HAL drivers?On the first iteration the DMA works correctly; transfers new data and fires interrupt.On second iteration, the DMA transfers only one ne...

Resolved! Restart SPI DMA Transmission

Hello,I am working on a sensor device acting as a SPI slave with transmit only and without chip select signal. I am using a STM32G070 microcontroller.I configured 4 bytes transmissions using DMA. The problem I have is that the external master can per...

cgallardo by Associate II
  • 2212 Views
  • 4 replies
  • 1 kudos