About VGava

VGava · 2021-06-07

Hi,I am working with an STM32L476RCT6. On STM32CubeMX, in "Connectivity", I make use of the "USB_OTG_FS" functionnality and I have choosen the "Device_only" mode. In "Middleware", I use the "USB_DEVICE" in "Communication Device Class (Virtual Port Co...

VGava · 2021-04-12

Hi, I am working on an STM32L476RCT6 and I use STM32CubeMX to configure the peripherals of the microcontroller.Currently the microcontroller runs on MSI, whose frequency is set at 8 MHz. The clock configuration is as follows :I want to use the USB in...

VGava · 2019-05-13

Using RF I am able to activate mailbox/fast transfer mode using this process :Present passwordWrite static GPO => replace former GPO with 0xB0Write MB Mode => 1Write MB CTRL Dyn => 1Now I need to deactivate the mailbox with I2C. I am following this p...

VGava · 2021-06-09

I have tested the firmware with a buffer of 4096 bytes. The datarate is slower : about 500 kb/s.But I have made another interesting test. Until now, to measure the datarate, I was sending 2 Mbytes of data. On the PC, I was using Tera Term and logging...

VGava · 2021-06-07

Thank you for your answers. I have edited my question to make it more clear that I have 700 kbit/s and not 700 kbyte/s. I also forgot to mention that my OS is Windows, not Linux.  I have tried different sizes for the buffer (64, 100, 500, 1000 byte...

User statistics

User Activity

Is 700 kb/s a normal datarate for USB in device mode ?

How to change MSI frequency on the fly ?

[ST25DVxxK] How to disable mailbox/fast transfer mode with I2C ?

Re: Is 700 kb/s a normal datarate for USB in device mode ?

Re: Is 700 kb/s a normal datarate for USB in device mode ?