• Issues with composite VCP+MSC: VCP not working (L1)
    Hello, I am stuck in implementing USB composite (VCP+MSC) using FS-Device_Lib_V4.0.0 (STM32L151). Individually both works but when I try composite VCP+MSC, MSC works well but PC can't communicate...
  • How to transfer data in two VCPs with DUAL CDC composite device
    I have emulated two VCPs with only one USB Device. I can send data in one VCP that has the following Endpoint Address. #define CDC_IN_EP 0x81 /* EP1 for data IN */ #define CDC_OUT_EP 0x01 /* EP1...
  • A pathetic situation
    I study in a public university. Each department organises a festival once in a year. On the final day a grand concert was organised.I'm much more exposed to the happenings backstage. Bands refers to...
  • USB CDC communication
    Hi, I have question regarding the USB connection. i am using LPC1768 and the USB CDC example(its demo example come up with lpc1768). when i connect the board usb device with my pc it generates error...
  • printf() not working , peculiar situation ,
    dear friends i have a peculiar situation at hand . i am trying to dump some message to my serial port and see it through my dummy terminal . before that i tried a simple LED toggling , it worked fine...