Thanks Feng. Even I felt the same way. Just wanted to know if there is any other such, more nearer driver available in UEFI for USB to serial or USB CDC driver source code? Please confirm... If not, I will go with ftdi driver.
Thanks. With regards, Keshava On 7 ಜು., 2016 ಗು. 12:48 PM Tian, Feng <feng.t...@intel.com> wrote: > You could refer to OptionRomPkg\Bus\Usb\FtdiUsbSerialDxe, which is a > usb2serial driver. It will produce SerialIo based on UsbIo. > > > > Thanks > > Feng > > > > *From:* GN Keshava [mailto:keshava...@gmail.com] > *Sent:* Thursday, July 7, 2016 11:34 AM > *To:* Tian, Feng <feng.t...@intel.com>; edk2-devel@lists.01.org > *Subject:* Re: [edk2] UEFI driver for USB CDC ACM Serial device > > > > Hi Feng, > > Thank you for your time. > > Yes, the PC is connected to board using USB cable. The board is running on > Linux, and it is detected as CDC serial on PC. > > On Linux Host machine, the device works straightaway as ttyACM0: > > Would you suggest any reference driver in UEFI that I can refer for > developing a driver for my device? Any good starting point? > > Thanks. > With regards, > Keshava GN > > > > On 7 ಜು., 2016 ಗು. 7:41 AM Tian, Feng <feng.t...@intel.com> wrote: > > Your info is insufficient. > > How is the usb2serial cable used to connect PC and the custom board? Usb > port is connecting to PC and the opposite end, that is serial port, is > connecting to the board? > > From the dump of "devices" cmd, it looks like you are connecting them like > above way. And the board is identified as a USB CDC device. > > So from PC view, the board is just a usb device. You should be able to see > UsbIo protocol is installed for this board. You could locate this UsbIo to > see if it provides available endpoints for your serial output usage. > > Thanks > Feng > > -----Original Message----- > From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of GN > Keshava > Sent: Tuesday, July 5, 2016 8:42 PM > To: edk2-devel@lists.01.org > Subject: [edk2] UEFI driver for USB CDC ACM Serial device > > Hi all, > > I'm new to UEFI development. > So far, I have learnt about UEFI shell, build procedure and application > basics. > > My task is to communicate to a custom board from UEFI using uefi app > through a USB serial cable from the PC. > > Currently, the PC is booted to UEFI shell and connected the board through > serial cable and I type "devices" command, I see that the board is listed as > > "344 : CDC Abstract Control Model (CDC)" > and > "345: CDC ACM Data" > > Please help me to understand how I can proceed? and what works I need to > do in order to detect my board as Serial port? Is there any driver > available for this? If I need to develop the driver, please help me on what > would be the starting point? > > Thanks. > With regards. > Keshava GN > _______________________________________________ > edk2-devel mailing list > edk2-devel@lists.01.org > https://lists.01.org/mailman/listinfo/edk2-devel > > _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
