STM32 MCUs Embedded software

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Resolved! neconn_write divide the transfer data

Hi! I lm using lwip + freertos and STM32F429 and Cube IDE. When I transfer 906B by netconn_write its transfer this data partly. I tried increase all possibiilities of defines but unsuccesssfull.Please help who knows.

Agde.1 by Associate III
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  • 5 replies
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how many USB end Points Possible on STM32F767?

I am trying to make composit USB example with MSC and 2 CDC.Can anyone suggest if its possible with STM32F767VIHx ?I am using FreeRTOS as well.I have already started to 5 interface but they seems to be not reliable. I can send messages from one port ...

APate.8 by Associate II
  • 681 Views
  • 2 replies
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Resolved! STM32F4 Change USB PID at boot time

Hello, I have a product that connects to a computer via USB. I also have a test application that can be run on the computer as well. The test application on the PC can look for a default PID or one can type in a different PID and the application wi...

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JBlackann by Associate III
  • 2496 Views
  • 2 replies
  • 1 kudos

How to not compile USB device ?

Hi ,I have added usb functionality in my code using stm32cubemx.Now i don't want to compile it using #if or #ifdefHow to do it ?I tried following:I used #if to remove usb initializing function and not used usb in any code , but when i saw .map file s...

SA.17 by Associate III
  • 587 Views
  • 1 replies
  • 0 kudos

USB device and eeprom writing

I am using a STM32F4 on a custom board that is connected to PC software through USB (configured as custom HID device). I have this problem: when the PC send data to the board, the data has to be written in the eeprom memory (one byte at each transmis...

VCapu by Associate III
  • 2003 Views
  • 5 replies
  • 0 kudos

external event interrupt in freertos

I want to use external event interrupt in freertos v2. I found when I set one pin with external event interrupt with freertos enable in stm32cubemax, I will miss exti1_handler() global interrupt function.right? is it possible to enable it in freertos...

yang hong by Associate III
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  • 3 replies
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default application examples of the netconn and socket server because of the random selection of the udp/tcp port

Hello,the default application examples of the netconn and socket server based on lwip doens't work because the udp and tcp port which are selected randomly (LWIP_RAND() ) could be ouside the autorized ranges (UDP_ENSURE_LOCAL_PORT_RANGE)hw id: nucleo...

MThom.16 by Associate
  • 862 Views
  • 2 replies
  • 0 kudos