STM32 MCUs Products

use of HAL_SPI_Transmit()

I am using HAL_SPI_Transmit() API to write to slave's register, how can I confirm that it has actually find the right register and write to it? is below code right?uint8_t R44=0x2C; //register addressuint8_t R44_data[2]={0x00,0x00};// data to be writ...

SPI ready time longer then expected.

Read TCS3200 sensor frequencies with Timer Input Capture

Hello everyone,I'm trying to read the frequencies of the TCS3200 sensor, which should give frequencies according to the colors it detects.The sensor, used with Arduino, works very well, however using it with an STM32G0 I encounter difficulties: when ...

How to restart Normal DMA? STM32L476

Hello...I am collecting 480 samples of multiple channels of A/D1....I want to do this every 60 seconds. I am running in Normal mode because if I stay in Circular mode the A/D data continuously updates even without the trigger which is not what I want...

Jump to bootloader from application on STM32U5

In AN2606 it says:"For STM32 devices having the Dual Bank Boot feature, to jump to system memory from user code the user has first to remap the System Memory bootloader at address 0x00000000 using SYSCFG register (except for STM32F7 Series), then jum...

STM32H7 FDCAN FIFO FULL (lack of ACK)

Hello, I am currently working on a motor setup between an STM32H750VBT6 with a CJMCU-1051 and a motordriver VESC mini FESC 4.20. I have 5 PDO messages coming from de Motor controller which I can read in normal mode. However, after a while the STM32H7...

B-L475E-IOT01A's wifi module does not send packet after a while

Hello everyone,I am using B-L475E-IOT01A's wifi to send data to a server using UDP protocol. I am not using anything other than the wifi right now and my main loop looks like this:while(1) { if(wifiReady==1 && wifiState==2) { wifiReady=0; ...

Which mcu requires the lowest voltage to initialize? Can we do better than an STM32G07KBU6? What is this a function of? Is it: memory size, type of ARM core, number of connected pins ...