STM32 MCUs Embedded software

STM32L4 how to get USB connect/disconnect events

I'm using a STM32L4A6 with OTG_FS peripheral. I use the USB driver from STM. I only get the suspend callback, but never resume, or connected, or disconnected callback. Suspend is not good indicator for plug in or out. Even USB cable plug in will also...

Hello, I am not able to join the workshop. May I have the teams link directly per email? Thanks

Hi, Cannot connect, the link to the workshop does not work. I use Google browser. I already connect to other workshops in the past. could you send me e new link. Thanks

Hello, unfortunately I am not able to join the workshop. May I have the teams link directly per email? Thanks

How to transfer files from USB flash drive into SD card inserted in STM32469I Discovery board

Hello everybody,I have set an STM32469I Discovery as USB HOST MSC which has a SD card slot available. My idea is transfer all files contained in any USB flash drive connected to the USB port into the SD card ( supposing there is enough space capacit...

Hello, I did not receive my board yet although I ordered it right away. The distributor did not write down my company name so Collissimo could not distribute it. May not reach me in time, so is there an other workshop date?

Repeated start with HAL drivers on STM3273C

Hello, I am using the STM3273C board as an i2c slave. The master is requesting the data via repeated start.For this I am using the method HAL_I2C_Slave_Sequential_Transmit_IT. The problem is that the first byte after the restart is always 0xFF. The d...

Hi, i want to transform HAL function call 'HAL_I2C_Mem_Read_DMA' and 'Mem_Write' into Low Layer call. How it is done?

 I found examples in STM32CubeIDE but they don't concern the special topic 'Mem', meaning writing device address and internal register address together within one data packet.