STM32 MCUs Embedded software

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

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Resolved! ADC sampling frequency questions

Doing the set up in MXI have four ADC channels on APB2 with PCLK2 at 84 MHz sampling 4 microphones.The recommended audio sampling rate stretch from 44.1 kHz up to 96 kHz, so initially I'm happy anywhere in that range for now. I have set the clock pre...

Resolved! USBX Audio - Speaker does not play true stereo

I am using a UX_Device_Audio2.0-based project on H7. When I play a stereo file (actually dual mono), the right channel plays correctly, but the left channel contains a mix of left + right.When I play mono file, the right channel is much louder while ...

audio by Senior
  • 195 Views
  • 6 replies
  • 2 kudos

STM32U5 SDMMC1 & 4-wired MicroSD

Hello, I am currently using an STM32U5G9 and would like to connect a microSD card via SDMMC1 to expand data storage. My Zephyr device tree contains the following node: &sdmmc1 { status = "okay"; pinctrl-0 = <&sdmmc1_d0_pc8 &sdmmc1_d1_pc9 &sdm...

devin-hu by Associate II
  • 141 Views
  • 1 replies
  • 0 kudos

STM32L49x and BFB2 bit

Hi everyone!Just finished a dual boot system but during testing I bumped into a weird issue. With BFB2 bit unset firmware starts smoothly but when it is set, it ends up in some bootloader loop although it should switch to opposite bank (FB_MODE = 1) ...

Alekseus by Associate III
  • 87 Views
  • 2 replies
  • 0 kudos

Getting started with STM32H750VBT6, SDMMC1

Hi, I am trying to move to STM32H750 from STM32F407. To start with I have tried making simple LED blink project and it seems to work.Then I add SDMMC1 and suddenly it started hanging on exiting `static void MX_GPIO_Init(void)`. Any ideas why? Do I ne...

JBond1_0-1768410547333.png JBond1_0-1768412271920.png JBond1_1-1768412281422.png
JBond.1 by Senior
  • 182 Views
  • 2 replies
  • 0 kudos