Hello,I created UDP server with LwIP stack on STM32F407.I tried example udp_echo _server. It works.Now I need send from server my own answer data in callback function.The program hangs in callback function.void udp_echoserver_receive_callback(void *a...
to develop a SPI full-duplex dma communication, I use an stm32L4 as MASTER and an stm32L0 as a slave.firstly to check if the slave is ready, master send tram "is OK", the slave receives the trame and if he is ready he sends tram "ok".After when the m...
Issue with the customized board is that, it does not detects USB(FS CDC) comport every time as we plug/unplug the device.whereas the same firmware works fine with ST nucleo board of STM32F070RBTx.1. Do programmer needs to add any additional delay for...
Hi guys,I have a problem with updating stm32f407vg disco board via usb dfu, I generate the project from cubemx and I'm looking at the example from ST: en.stm32cubef4\STM32Cube_FW_F4_V1.21.0\Projects\STM324xG_EVAL\Applications\USB_Device\DFU_Standalon...
hi. I made 10 sample boards. and 3 board are working strange. I tested dfu bootloader in system memory with usb. (boot mode BOOT0 = 1)7 boards are working fine with my firmware and bootloader. buy 3 boards are working only with my firmware. it can ...
Hi, It may sound like a minor query to many of you, but can any one explain me what are 'UserType' and 'UserConfig' parameters in FLASH_OB_UserConfig() API ?Some how I can't get their meanings.I am working on STM32L432KB and want my system to boot fr...
I'm writing library for HC-SR-4 (Ranging Module). To start measurement I have to:1) send 10 us high signal to TRIGGER and than2) measure duration of high signal on ECHOTo get 10 us duration I use one of basic timers with enabled interruption.When I t...
I am trying to use the built in bootloader on an STM32H750VB over USART1. I've used the code found here to enter the bootloader,https://community.st.com/s/question/0D50X00009XkW8QSAV/stm32h743-how-to-start-the-system-boot-loader-via-softwareI've been...
I'm observing a strange phenomenon with F722 in which RTC device is left in some undefined state that it is totally invisible after boot loader activity.When a system start to run immediately from the boot loader by means of DFU execute application r...