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Forum Posts

HAL CDC Transmit dropping and duplicating data

I have an issue where CDC transmission from an STM32L4 is dropping or duplicating data.Here is a simple test case that runs from main.c extern USBD_HandleTypeDef hUsbDeviceFS; static uint8_t UserTxBufferFS[100];   void TestSerial() { // connect ...

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External Interrupt triggers instantly

Hello, I am using a Nucleo-f401re Board and unfortunately I have serious troubles with External Interrupts. I have two inductive sensors which are supplied by 24V. These sensors shall trigger an external Interrupt when the controller detects a rising...

JBoli.1 by Associate
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DFUMODE nucleo L152Re not blink led ld2HELP !!!!!!!!!!!!

I followed the steps of the example: I flashed the microcontroller L152RE of Nucleo with cable USB CN2 and then I connected the usb cable, I chose the .dfu application in binary folder, I did the upgrade and then I pressed reset, I don't see the LD...

bfran.1 by Associate II
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  • 1 replies
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About OTG connector

We are building a board using STM32H750VB and I need to connect a USB connector. I thought of using OTG_HS. In this type many signals related to ULPI and OTG_HS_SOF are available, which I don't need. So I need to know whether these signal are mandato...

PY.1 by Associate II
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  • 1 replies
  • 0 kudos