Posted on February 28, 2017 at 15:24Hi,In the CDC_Standalone example of stm32f0cube there is the following line in usbd_conf.h.HAL_PCDEx_PMAConfig(&hpcd , 0x00 , PCD_SNG_BUF, 0x40);Online I also often see 0x18 instead of 0x40. How do you determine t...