X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=Documentation%2Fusb%2Fusb-serial.txt;h=d61f6e7865def51b2ba281daa01d4c873f7311c9;hb=refs%2Fheads%2Fvserver;hp=d431f19f76829a0b4e831212bb9a63ac94773bfc;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/Documentation/usb/usb-serial.txt b/Documentation/usb/usb-serial.txt index d431f19f7..d61f6e786 100644 --- a/Documentation/usb/usb-serial.txt +++ b/Documentation/usb/usb-serial.txt @@ -13,7 +13,6 @@ CONFIGURATION Currently the driver can handle up to 256 different serial interfaces at one time. - If you are not using devfs: The major number that the driver uses is 188 so to use the driver, create the following nodes: mknod /dev/ttyUSB0 c 188 0 @@ -26,10 +25,6 @@ CONFIGURATION mknod /dev/ttyUSB254 c 188 254 mknod /dev/ttyUSB255 c 188 255 - If you are using devfs: - The devices supported by this driver will show up as - /dev/usb/tts/{0,1,...} - When the device is connected and recognized by the driver, the driver will print to the system log, which node(s) the device has been bound to. @@ -180,7 +175,7 @@ Keyspan USA-series Serial Adapters Current status: The USA-18X, USA-28X, USA-19, USA-19W and USA-49W are supported and - have been pretty throughly tested at various baud rates with 8-N-1 + have been pretty thoroughly tested at various baud rates with 8-N-1 character settings. Other character lengths and parity setups are presently untested. @@ -211,6 +206,62 @@ ZyXEL omni.net lcd plus ISDN TA azummo@towertech.it +Cypress M8 CY4601 Family Serial Driver + + This driver was in most part developed by Neil "koyama" Whelchel. It + has been improved since that previous form to support dynamic serial + line settings and improved line handling. The driver is for the most + part stable and has been tested on an smp machine. (dual p2) + + Chipsets supported under CY4601 family: + + CY7C63723, CY7C63742, CY7C63743, CY7C64013 + + Devices supported: + + -DeLorme's USB Earthmate (SiRF Star II lp arch) + -Cypress HID->COM RS232 adapter + + Note: Cypress Semiconductor claims no affiliation with the + hid->com device. + + Most devices using chipsets under the CY4601 family should + work with the driver. As long as they stay true to the CY4601 + usbserial specification. + + Technical notes: + + The Earthmate starts out at 4800 8N1 by default... the driver will + upon start init to this setting. usbserial core provides the rest + of the termios settings, along with some custom termios so that the + output is in proper format and parsable. + + The device can be put into sirf mode by issuing NMEA command: + $PSRF100,,,,,*CHECKSUM + $PSRF100,0,9600,8,1,0*0C + + It should then be sufficient to change the port termios to match this + to begin communicating. + + As far as I can tell it supports pretty much every sirf command as + documented online available with firmware 2.31, with some unknown + message ids. + + The hid->com adapter can run at a maximum baud of 115200bps. Please note + that the device has trouble or is incapable of raising line voltage properly. + It will be fine with null modem links, as long as you do not try to link two + together without hacking the adapter to set the line high. + + The driver is smp safe. Performance with the driver is rather low when using + it for transferring files. This is being worked on, but I would be willing to + accept patches. An urb queue or packet buffer would likely fit the bill here. + + If you have any questions, problems, patches, feature requests, etc. you can + contact me here via email: + dignome@gmail.com + (your problems/patches can alternately be submitted to usb-devel) + + Digi AccelePort Driver This driver supports the Digi AccelePort USB 2 and 4 devices, 2 port @@ -221,7 +272,7 @@ Digi AccelePort Driver work under SMP with the uhci driver. The driver is generally working, though we still have a few more ioctls - to implement and final testing and debugging to do. The paralled port + to implement and final testing and debugging to do. The parallel port on the USB 2 is supported as a serial to parallel converter; in other words, it appears as another USB serial port on Linux, even though physically it is really a parallel port. The Digi Acceleport USB 8 @@ -246,7 +297,7 @@ Belkin USB Serial Adapter F5U103 Parity N,E,O,M,S Handshake None, Software (XON/XOFF), Hardware (CTSRTS,CTSDTR)* Break Set and clear - Line contrl Input/Output query and control ** + Line control Input/Output query and control ** * Hardware input flow control is only enabled for firmware levels above 2.06. Read source code comments describing Belkin @@ -258,7 +309,7 @@ Belkin USB Serial Adapter F5U103 automatic hardware flow control. TO DO List: - -- Add true modem contol line query capability. Currently tracks the + -- Add true modem control line query capability. Currently tracks the states reported by the interrupt and the states requested. -- Add error reporting back to application for UART error conditions. -- Add support for flush ioctls. @@ -343,10 +394,10 @@ REINER SCT cyberJack pinpad/e-com USB chipcard reader Prolific PL2303 Driver - This driver support any device that has the PL2303 chip from Prolific + This driver supports any device that has the PL2303 chip from Prolific in it. This includes a number of single port USB to serial converters and USB GPS devices. Devices from Aten (the UC-232) and - IO-Data work with this driver. + IO-Data work with this driver, as does the DCU-11 mobile-phone cable. For any questions or problems with this driver, please contact Greg Kroah-Hartman at greg@kroah.com @@ -371,13 +422,12 @@ Options supported: debug - extra verbose debugging info (default: 0; nonzero enables) use_lowlatency - use low_latency flag to speed up tty layer - when reading from from the device. + when reading from the device. (default: 0; nonzero enables) See http://www.uuhaus.de/linux/palmconnect.html for up-to-date information on this driver. - Generic Serial driver If your device is not one of the above listed devices, compatible with