Hello I looking to do Classic CAN communication (Not FD) Between NUCLEO-H7A3ZI-Q and NUCLEO-F429ZI in normal mode. I am using MCP2551 transceiver on both boards. I added termination resistors on both side But i didn't Receive the message. My confi...
Hi everybody.I ran into a problem with my project.As you can see in the picture, after uploading the program to uP, the content of Flash is different from the uploaded Intel hex file.Can someone explain to me why?Where did the data F8 B5 00 BF F8 BC ...
Hi everyonei have connected ethernet to stm32f4vet6 mcu. i am using LWIP and tcp_echoserver provided by stm and tftp server also provided by stm.Now i am facing with an issue , i have two programs , first of them is LWIP_TFTP_BOOT, which has start fl...
Hi all,I used long time STM32F103 and there was the possibilty to release the CAN Fifo by writing CAN_RF0R, resp. CAN_RF1R register. For G474 I didn't find this possibilty. Has someone any idea how to release the receive buffer or is the only option ...
How to get ST official sales or technicalsupport in China? I try to find ST official sales，but nobody answser the Telephone number. https://www.st.com/content/st_com/en/contact-us.html
HiI have been using stm32u585QII3 MCU in our custom board. I am using USART1(PB6, PG10) to transmit and receive data. In interrupt mode transmit call back is working but receive call back was not working. Initially i have set a break point, the inter...
I start a new project using STM32CubeIDE Version: 1.14.1 and select STM32L052K6T6.All I change is the MSI_RC clock setting to be 65.536kHz. This causes all the other clocks to change to this same freq.I program the device and step through - executio...
Sorry if this is a rookie question. I have set up USART 2 to receive a UART command. If the sent command is "<EN>", I need to toggle the value of a global state variable. When transmitting the received data via the callback interrupt, I have no issue...
I am trying to implement MODBUS protocol. STM32 receives an initial message of 8 bytes and then send a response of 8 bytes. However, the next message received by the STM32 doesn't trigger the HAL_UART_Receive_IT callback. uint8_t reception_complete =...
Hi,I need to create a USB composite device class interface with STM32U5A5 controller. I have been using the USB_CDC_ACM example project so far for my development. In this example the USB CDC ACM class is configured and I need to change/add this to a ...
