STM32 RS485通讯 - 在2.5Mbps波特率下可以接收数据吗？
STM32F051C8T6产品，想用来和多摩川的编码器产品通讯，发送数据0x02，多摩川编码器发送6个字节返回。但用6个字节的中断得不到数据，用6个字节读取也无法得到数据。中断只能收到一个字节，02。有指导问题出在哪里了？
Forum Posts
Change Flash Standard Boot Startup Adress with STM32ide
using stm32ide and a stm32f407 I would like to change the boot address to 0x8000000 to leave the first 4 sectors free from 0x4000 to position the boot at 0x8010000 I made a series of settings (not sufficient). in flash.ld file change1) FLASH (rx) : ...
Resolved! STM32F411E-DISCO and MCP2515 INTERRUPT
Hello, by connecting an mcp2515 to Stm32, I enabled it to communicate properly with other cards via the Can network. However, when a message arrives, I couldn't understand how to receive it with the INT pin and I couldn't do it. I tried connecting th...
Resolved! stm32h7 lwip sdmmc1 fatfs
Hi,Is there any sample for H755 with lwip eth and sdmmc1 fatfs?.How configure the MPU region?. Thanks,
Endless loop at configASSERT( pxQueue->uxItemSize == 0 );
Hi allI'm pretty sure this was already a topic, but i haven't found a solution yet. Since i'm a beginner i definitely need some help here.I'm sending UDP data with LWIP and FreeRTOS. It works, but after some (random) time the code gets stuck at co...
STSPIN32G4 as 600V Version
HelloFor future blower motors in our products, we are currently using the STSPIN32F0602. Unfortunately, memory space is very limited and we would like to use the STSPIN32G4 in order to introduce new products that are as future-proof as possible. Howe...
Resolved! STM32H730 ETH receive not working
Hi all,For the last couple of weeks I've been trying to deal with receiving an ETH frame from PHY on my own PCB design with STM32H730VBT.To make sure the firmware is OK I took a Nucleo-H723ZI (CPU from the same family) and configured it to work with ...
STM32F401 I2C driver using register in Proteus simulation
I want to use two STM32F401xx MCU in proteus. One of them is to be a master and the other is to be a slave. This is my code for the master: #include <stdint.h> #include <stdio.h> uint8_t temp=0; void begin(); void end(void); void Write (uin...
Resolved! STM32WB QSPI FLASH - Winbond(W25N01GV)
Hello,I have been trying to make a driver for the Winbond(W25N01GV) NAND flash over QSPI but I've been failing so far. Can somebody give me some ideas about what I am doing wrong? #define UNPACK_UINT16_TO_2_BYTES(num) {(uint8_t) (((num) & 0x...
Resolved! LAN8742A - STM32 and REF_CLK
Hi,I plan to use LAN8742A and STM32H7 for an ethernet application.In the datasheet for LAN8742A there is this very interesting sentense on page 34 i the datsheet:The REF_CLK Out Mode is not part of the RMII Specification. To ensure proper system oper...
