Thank you so much, Feng. Regards, Keshava On Fri, 8 Jul 2016 at 07:14 Tian, Feng <[email protected]> wrote:
> No other nearer drivers you can refer to except this one. > > Thanks > Feng > > -----Original Message----- > From: edk2-devel [mailto:[email protected]] On Behalf Of GN > Keshava > Sent: Friday, July 8, 2016 1:51 AM > To: Tian, Feng <[email protected]>; [email protected] > Subject: Re: [edk2] UEFI driver for USB CDC ACM Serial device > > 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 <[email protected]> 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:[email protected]] > > *Sent:* Thursday, July 7, 2016 11:34 AM > > *To:* Tian, Feng <[email protected]>; [email protected] > > *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 <[email protected]> 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:[email protected]] On Behalf Of > > GN Keshava > > Sent: Tuesday, July 5, 2016 8:42 PM > > To: [email protected] > > 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 > > [email protected] > > https://lists.01.org/mailman/listinfo/edk2-devel > > > > > _______________________________________________ > edk2-devel mailing list > [email protected] > https://lists.01.org/mailman/listinfo/edk2-devel > _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
