STM32 MCUs Embedded software

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USB Audio - Error code 43

Hi,I have implemented USB audio (on my project) which is based on the memsmic1 example project.The MCU i am using is STM32L496x, under keil IDE.the device is recogined by window as audio device but, when i disconnect and reconnect again, I am having ...

AA.10 by Associate III
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  • 2 replies
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I2C Low level.

I want to implement a I2C low level driver on STM32L475 as I work with others chips.int I2C_Wait(I2C_TypeDef * I2Cx) { unsigned int timeout = 0; while(LL_I2C_IsActiveFlag_NACK(I2Cx) == 0) { if(++timeout > I2C_TIMEOU...

Resolved! LAN8742 infinite loop bug

Hi,I think there is a missing break statement in lan8742.c:170. In current version, if the code ever gets to line 170 (status = LAN8742_STATUS_RESET_TIMEOUT;) it will be stuck in an infinite loop. Adding break statement after this line fixes the prob...

JZamo by Associate
  • 541 Views
  • 1 replies
  • 1 kudos

Resolved! STM32H747I-DISCO with LWIP not working

Hi, I am working with STM32H747I-DISCO but the lwip not working. I have apply the recommendations here https://community.st.com/s/article/FAQ-Ethernet-not-working-on-STM32H7x3 but the LAN8742.c have infinity loop in line 170. while(regvalue & LAN8742...

Resolved! Stm32f405 unable to enter DFU

I have designed my custom stm32f405 board based on Pyboard 1.1 and Adafruit Feather stm32F4 Express and was unable to enter USB DFU with it.I uploaded the code using ST-Link and can confirm that USB OTG FS works, without DFU the device is visible as ...

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DLegu.1 by Associate II
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  • 5 replies
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B-L072 Discovery Board - DFU Mode

Hey guys, I am seeking to activate the DFU mode in the B-L072 Discovery Module using the Murata CMWX1ZZABZ-091 module.I have kept BOOT0 pin to HIGH and connected a USB cable to the CN11 USB connector. But STM32prog does not detect the DFU bootloader....