STM32 MCUs Products

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Resolved! CAN Normal Mode Communication between 2 boards

Hello, I am trying to implement a Normal Mode CAN communication using the STM32F407 discovery board and sn65hvd230 transceiver. It works fine for Loopback mode but when I change to Normal mode I get a Bit Dominant error. I am setting the bit rate to ...

STM32F405 vs STM32G4

Hi ST experts,Does STM32G4 series MCU support Vocoder feature? If yes, do you have any related documents available for reference? Current design is using STM32F405 which can support Vocoder application. Thanks. 

STLearner by Associate III
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Resolved! stm32 HAL Library

Hi Everyone,                    Can i use the HAL based library in my code for making commercial product?                    or                   Need to use only register based code for making commercial products?

Resolved! STM32 F4 CANBUS communication issue

Hello, I am trying to program Can Bus protocol with two stm32 boards. I used MCP2551 and VP230 can transiciever but both of them doesnt work or my code doesnt work I dont know. I am programming normal mode. My purpose is when press the any button of ...

maZers by Associate III
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  • 8 replies
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Sending message from slave to master (SPI)

Hello,I'm trying to send a message from slave to master using spi (I'm using only one stm board) and so far nothing I tried has worked. AFAIK for the slave to send data to master, the master has to initiate communication first by sending clock signal...

Jordalic by Associate II
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SPI + I2C Example Project

Hi, I am struggling to get SPI and I2C to work at the same time on my project I have tried multiple things (DMA, interrupts etc...) are there any example projects that already have this implemented? I am simply trying to read an I2C sensor value and ...

Linkpad by Associate III
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  • 3 replies
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Problem using Slave to transmit I2C Interrupt

Hi,In my project, I communicate with STM slave I2C. I can receive data via I2C but I cannot send data. As you can see in the photo below, the packetData is filling up, but when you send it, it only sends 0x00. what is the problem? what can I do?

i2c-interrupt.PNG i2c-interrupt-2.PNG
res_queen by Associate II
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