STM32 MCUs Embedded software

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B-L4S5I-IOT01A STSAFE-A110 Test problem

안녕하세요. 저는 한국 mouser를 통해서 B-L4S5I-IOT01A 보드를 구매하여 개발 테스트를 하고 있습니다.그런�?� X-CUBE-AWS 테스트 중 내부 보안 chip�?� �?�용한 키 값�?� 만드는 기능�?� 정�? �?�작하지 않습니다.KMS 기능�?� 사용하는 경우는 정�? �?�작하는�?� 혹시 해당 chip만 불량�?� 수�?� 있�?�까요? 그런 경우 어떻게 검�?�?� 할 수 있�?�까요?

KYang.7 by Associate
  • 2 replies
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STM32Cube_FW_F0_V1.11.2 HAL I2C module has serious bug in NACK bit handling for I2C CR2 register, breaking fast successive I2C transfer in Slave-mode

I suppose that NACK bit handling logic was inherited from F4 family, where ACK bit is used for address/data acknowledgement control and could be set/reset by software. Unlike F4 family, I2C controller of F0 uses CR2 NACK bit only for data bytes and d...

MDednev by Associate
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Resolved! Hello, I'm using STM32F767ZI NUCLEO Board Want use Ethernet to Communicate with IOT cloud and also I'm trying to implement UDP server

I've checked various example on internet but I haven't get any one of them working for me,The board even not connecting to the router, I've tried static as well as dynamic IPI'm new to Ethernet & LwIPcould you please  provide me any staring example f...

DK.8 by Associate II
  • 1 replies
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Resolved! Problems with STM32L552 USB-VCP

Is there anybody out there who got the USB running as VCP on a STM32L552 ? We have problems to get the system running with USB attached to a PC via VCP. We used the MXCube release 5.6.1 and created a small project with USB VCP. The VDD-USB Pin is co...

GS1 by Senior III
  • 14 replies
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Bug in USBD_core when resetting?

I was chasing down a problem and came across this code in the USBD_LL_RESET function inside of USBD_core.c:if (pdev->pClassData != NULL) { if (pdev->pClass->DeInit != NULL) { (void)pdev->pClass->DeInit(pdev, (uint8_t)pdev->dev_config); ...

JKaz.1 by Associate III
  • 2 replies
  • 1 kudos