Mercurial > code > home > repos > light9
changeset 355:4e60444605f6
add dmx_usb_module
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/HEAD Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,1 @@ +ref: refs/heads/master
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/config Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,3 @@ +[core] + repositoryformatversion = 0 + filemode = true
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/description Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,1 @@ +Unnamed repository; edit this file to name it for gitweb.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/hooks/applypatch-msg Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,15 @@ +#!/bin/sh +# +# An example hook script to check the commit log message taken by +# applypatch from an e-mail message. +# +# The hook should exit with non-zero status after issuing an +# appropriate message if it wants to stop the commit. The hook is +# allowed to edit the commit message file. +# +# To enable this hook, make this file executable. + +. git-sh-setup +test -x "$GIT_DIR/hooks/commit-msg" && + exec "$GIT_DIR/hooks/commit-msg" ${1+"$@"} +:
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/hooks/commit-msg Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,14 @@ +#!/bin/sh +# +# An example hook script to check the commit log message. +# Called by git-commit with one argument, the name of the file +# that has the commit message. The hook should exit with non-zero +# status after issuing an appropriate message if it wants to stop the +# commit. The hook is allowed to edit the commit message file. +# +# To enable this hook, make this file executable. + +# This example catches duplicate Signed-off-by lines. + +test "" = "$(grep '^Signed-off-by: ' "$1" | + sort | uniq -c | sed -e '/^[ ]*1 /d')"
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/hooks/post-commit Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,8 @@ +#!/bin/sh +# +# An example hook script that is called after a successful +# commit is made. +# +# To enable this hook, make this file executable. + +: Nothing
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/hooks/post-update Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,8 @@ +#!/bin/sh +# +# An example hook script to prepare a packed repository for use over +# dumb transports. +# +# To enable this hook, make this file executable by "chmod +x post-update". + +exec git-update-server-info
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/hooks/pre-applypatch Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,15 @@ +#!/bin/sh +# +# An example hook script to verify what is about to be committed +# by applypatch from an e-mail message. +# +# The hook should exit with non-zero status after issuing an +# appropriate message if it wants to stop the commit. +# +# To enable this hook, make this file executable. + +. git-sh-setup +test -x "$GIT_DIR/hooks/pre-commit" && + exec "$GIT_DIR/hooks/pre-commit" ${1+"$@"} +: +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/hooks/pre-commit Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,71 @@ +#!/bin/sh +# +# An example hook script to verify what is about to be committed. +# Called by git-commit with no arguments. The hook should +# exit with non-zero status after issuing an appropriate message if +# it wants to stop the commit. +# +# To enable this hook, make this file executable. + +# This is slightly modified from Andrew Morton's Perfect Patch. +# Lines you introduce should not have trailing whitespace. +# Also check for an indentation that has SP before a TAB. + +if git-rev-parse --verify HEAD 2>/dev/null +then + git-diff-index -p -M --cached HEAD +else + # NEEDSWORK: we should produce a diff with an empty tree here + # if we want to do the same verification for the initial import. + : +fi | +perl -e ' + my $found_bad = 0; + my $filename; + my $reported_filename = ""; + my $lineno; + sub bad_line { + my ($why, $line) = @_; + if (!$found_bad) { + print STDERR "*\n"; + print STDERR "* You have some suspicious patch lines:\n"; + print STDERR "*\n"; + $found_bad = 1; + } + if ($reported_filename ne $filename) { + print STDERR "* In $filename\n"; + $reported_filename = $filename; + } + print STDERR "* $why (line $lineno)\n"; + print STDERR "$filename:$lineno:$line\n"; + } + while (<>) { + if (m|^diff --git a/(.*) b/\1$|) { + $filename = $1; + next; + } + if (/^@@ -\S+ \+(\d+)/) { + $lineno = $1 - 1; + next; + } + if (/^ /) { + $lineno++; + next; + } + if (s/^\+//) { + $lineno++; + chomp; + if (/\s$/) { + bad_line("trailing whitespace", $_); + } + if (/^\s* /) { + bad_line("indent SP followed by a TAB", $_); + } + if (/^(?:[<>=]){7}/) { + bad_line("unresolved merge conflict", $_); + } + } + } + exit($found_bad); +' +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/hooks/pre-rebase Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,150 @@ +#!/bin/sh +# +# Copyright (c) 2006 Junio C Hamano +# + +publish=next +basebranch="$1" +if test "$#" = 2 +then + topic="refs/heads/$2" +else + topic=`git symbolic-ref HEAD` +fi + +case "$basebranch,$topic" in +master,refs/heads/??/*) + ;; +*) + exit 0 ;# we do not interrupt others. + ;; +esac + +# Now we are dealing with a topic branch being rebased +# on top of master. Is it OK to rebase it? + +# Is topic fully merged to master? +not_in_master=`git-rev-list --pretty=oneline ^master "$topic"` +if test -z "$not_in_master" +then + echo >&2 "$topic is fully merged to master; better remove it." + exit 1 ;# we could allow it, but there is no point. +fi + +# Is topic ever merged to next? If so you should not be rebasing it. +only_next_1=`git-rev-list ^master "^$topic" ${publish} | sort` +only_next_2=`git-rev-list ^master ${publish} | sort` +if test "$only_next_1" = "$only_next_2" +then + not_in_topic=`git-rev-list "^$topic" master` + if test -z "$not_in_topic" + then + echo >&2 "$topic is already up-to-date with master" + exit 1 ;# we could allow it, but there is no point. + else + exit 0 + fi +else + not_in_next=`git-rev-list --pretty=oneline ^${publish} "$topic"` + perl -e ' + my $topic = $ARGV[0]; + my $msg = "* $topic has commits already merged to public branch:\n"; + my (%not_in_next) = map { + /^([0-9a-f]+) /; + ($1 => 1); + } split(/\n/, $ARGV[1]); + for my $elem (map { + /^([0-9a-f]+) (.*)$/; + [$1 => $2]; + } split(/\n/, $ARGV[2])) { + if (!exists $not_in_next{$elem->[0]}) { + if ($msg) { + print STDERR $msg; + undef $msg; + } + print STDERR " $elem->[1]\n"; + } + } + ' "$topic" "$not_in_next" "$not_in_master" + exit 1 +fi + +exit 0 + +################################################################ + +This sample hook safeguards topic branches that have been +published from being rewound. + +The workflow assumed here is: + + * Once a topic branch forks from "master", "master" is never + merged into it again (either directly or indirectly). + + * Once a topic branch is fully cooked and merged into "master", + it is deleted. If you need to build on top of it to correct + earlier mistakes, a new topic branch is created by forking at + the tip of the "master". This is not strictly necessary, but + it makes it easier to keep your history simple. + + * Whenever you need to test or publish your changes to topic + branches, merge them into "next" branch. + +The script, being an example, hardcodes the publish branch name +to be "next", but it is trivial to make it configurable via +$GIT_DIR/config mechanism. + +With this workflow, you would want to know: + +(1) ... if a topic branch has ever been merged to "next". Young + topic branches can have stupid mistakes you would rather + clean up before publishing, and things that have not been + merged into other branches can be easily rebased without + affecting other people. But once it is published, you would + not want to rewind it. + +(2) ... if a topic branch has been fully merged to "master". + Then you can delete it. More importantly, you should not + build on top of it -- other people may already want to + change things related to the topic as patches against your + "master", so if you need further changes, it is better to + fork the topic (perhaps with the same name) afresh from the + tip of "master". + +Let's look at this example: + + o---o---o---o---o---o---o---o---o---o "next" + / / / / + / a---a---b A / / + / / / / + / / c---c---c---c B / + / / / \ / + / / / b---b C \ / + / / / / \ / + ---o---o---o---o---o---o---o---o---o---o---o "master" + + +A, B and C are topic branches. + + * A has one fix since it was merged up to "next". + + * B has finished. It has been fully merged up to "master" and "next", + and is ready to be deleted. + + * C has not merged to "next" at all. + +We would want to allow C to be rebased, refuse A, and encourage +B to be deleted. + +To compute (1): + + git-rev-list ^master ^topic next + git-rev-list ^master next + + if these match, topic has not merged in next at all. + +To compute (2): + + git-rev-list master..topic + + if this is empty, it is fully merged to "master".
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/hooks/update Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,89 @@ +#!/bin/sh +# +# An example hook script to mail out commit update information. +# It also blocks tags that aren't annotated. +# Called by git-receive-pack with arguments: refname sha1-old sha1-new +# +# To enable this hook: +# (1) change the recipient e-mail address +# (2) make this file executable by "chmod +x update". +# + +project=$(cat $GIT_DIR/description) +recipients="commit-list@somewhere.com commit-list@somewhereelse.com" + +ref_type=$(git cat-file -t "$3") + +# Only allow annotated tags in a shared repo +# Remove this code to treat dumb tags the same as everything else +case "$1","$ref_type" in +refs/tags/*,commit) + echo "*** Un-annotated tags are not allowed in this repo" >&2 + echo "*** Use 'git tag [ -a | -s ]' for tags you want to propagate." + exit 1;; +refs/tags/*,tag) + echo "### Pushing version '${1##refs/tags/}' to the masses" >&2 + # recipients="release-announce@somwehere.com announce@somewhereelse.com" + ;; +esac + +# set this to 'cat' to get a very detailed listing. +# short only kicks in when an annotated tag is added +short='git shortlog' + +# see 'date --help' for info on how to write this +# The default is a human-readable iso8601-like format with minute +# precision ('2006-01-25 15:58 +0100' for example) +date_format="%F %R %z" + +(if expr "$2" : '0*$' >/dev/null +then + # new ref + case "$1" in + refs/tags/*) + # a pushed and annotated tag (usually) means a new version + tag="${1##refs/tags/}" + if [ "$ref_type" = tag ]; then + eval $(git cat-file tag $3 | \ + sed -n '4s/tagger \([^>]*>\)[^0-9]*\([0-9]*\).*/tagger="\1" ts="\2"/p') + date=$(date --date="1970-01-01 00:00:00 $ts seconds" +"$date_format") + echo "Tag '$tag' created by $tagger at $date" + git cat-file tag $3 | sed -n '5,$p' + echo + fi + prev=$(git describe "$3^" | sed 's/-g.*//') + # the first tag in a repo will yield no $prev + if [ -z "$prev" ]; then + echo "Changes since the dawn of time:" + git rev-list --pretty $3 | $short + else + echo "Changes since $prev:" + git rev-list --pretty $prev..$3 | $short + echo --- + git diff $prev..$3 | diffstat -p1 + echo --- + fi + ;; + + refs/heads/*) + branch="${1##refs/heads/}" + echo "New branch '$branch' available with the following commits:" + git-rev-list --pretty "$3" $(git-rev-parse --not --all) + ;; + esac +else + base=$(git-merge-base "$2" "$3") + case "$base" in + "$2") + git diff "$3" "^$base" | diffstat -p1 + echo + echo "New commits:" + ;; + *) + echo "Rebased ref, commits from common ancestor:" + ;; + esac + git-rev-list --pretty "$3" "^$base" +fi) | +mail -s "$project: Changes to '${1##refs/heads/}'" $recipients +exit 0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/info/exclude Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,6 @@ +# git-ls-files --others --exclude-from=.git/info/exclude +# Lines that start with '#' are comments. +# For a project mostly in C, the following would be a good set of +# exclude patterns (uncomment them if you want to use them): +# *.[oa] +# *~
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/objects/09/a7ca6e8bb4840cc61357def7895a4598142c8a Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,2 @@ +xÚ¥ŽAnà E»æ³¯„†Á0XªªHU/80(V±UrüÐ\¡»ÿ7ï½XKY;·o½‰€Ÿ%’L)e?Û<±ó1gf$ä…™œ›10«ci²w0†&ËS28›dCËÑ^\ÊxÁ0-ɳZ~ûµ6øn÷u‡sÝàCþæéqD}Eô붺éXËçà:g ;¼5ªø +íò„úªåX7¼> ˜]îƒGÚkãáGÚ.ÛM=zºRµ \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/objects/0d/133393d78155c20721d74b64713b7d9e310a08 Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,2 @@ +xÚe_kÂ0Å÷Ú|ŠK·‡ªÕ¦j Z·÷Á˜°—±‰HÛ¤¨©$©ûîËm‹èöv8÷žsIZ”)D“Ç» K /llwZW:]®Í ƒ1…!¥ã>öÃÂpNf£épu ÀæBî…ÌŠŠq˜kÃD9Ø>_[g ˜óžëÿ¶6‰¹uóLšâÖª¤°Â†"Ei`—é¡HÔ&ó!Û&ª‹ú°\uÈ7q*©ÅFrVO òœ«eŽV1q0–³V(®[%bBœœÁ”{.=7`üØÏ¡®¿X¼/Þ^?;¸šƒg·æ@;`9{®T©<C..8ü$Œ×Qÿ`e©À¶–Æ lÎRÄ¢×kÒ-™XáüDiì4¡ ñ°™D‘m#Îq+ +î…MÖ¢ÛÙQ Ã-‘ß¾ÒÇ |KŠKÈŠ ki`¯iíåúxV”+ëÅM¥¤…'vô Ù“¡… \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/objects/3b/faeb835bec3d26d8ae0fd9d6b9b1dc15eafa7a Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,1 @@ +xÚ¥KjÄ0D³Ö)z 0úÙjAÙd™Í@Ð’Z3–d„f&Çö²«‚G}b+e `¤}B`«²RÚHƒè“'4™r 3".)yv¤’Ø©s à&ÊN+¥ô’¦dLD‰I’ Ά A÷qm >ûspi¼ñ!?~÷8][áé´½mSlå ”šg7£F ¯RK)â9tð?"Ä…K{0t¦ù^ãX[…Ñ`ïü8Î<©×µþˆï=Ñ`ø¢çuãI Ÿõqc:©?åÂd¸ \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/objects/4b/76ed4be9816ae5c8552dcb6157f6d03b0ece28 Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,1 @@ +xÚα P×òwv ¥ÕNÆèàâ¨ñ <,)…0/í¸¼Üáæܧ\PhD» îÒ£©ë·¸XGp8Ñ/ÛÁñ>LgVíñšµÌ¤aBÄHÑ“Kð´PD V…w\´Œ‰#ž4¯èáôªu!%úú9 ÁšBr”>M6ƒU€úS¦lMsþBQùƒ ƒõï"É‘3öO$Fí \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/objects/8b/b14e2cda4ee4c9abe220ff2a9d9d188c452a28 Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,2 @@ +xÚeÝkÂ0Å÷Úü—nV›¨Ýк½Æ„½ŒMDú‘j ¦’¤~0ö¿/·-¢ìípî=çþ’´¬Rˆ&Owa@ ^óä»ÓºÖéÚpm†L(Œ( ètÀ06c³ñô¸: + `s!!÷Bfes˜k“‹j¸}¹¶Î:4ç=×ÿmmsë™4åUKa[Ñ#BØ%Bz(µÉȶ‰ê¡>,W>ù!N-µØHž7Hë¢àj±ñ*&ÆŠ¼ŠëN‰˜§Èáª=—žæüÚ n°X~,Þß¾|\-À³[s >ØCΞ+U)ÏÅ‹ ? ã ê_¬¬xÂÖÒ„ÍYŠXôûmº#+œŸ(6t! µ“(²mÄ9nEÉ=Öf-º •0ÜÝ+<àã[T\BV \X›L {Mk/7dz²ÒXÙ´(nj%-<±£?[šÀ \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/objects/97/2aaf71b406124090ab8dd33c808d0a7b74bb26 Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,2 @@ +xÚ¥ŽK +Â0@]ç³J’fšDÜxÁL&S+´M =¾Ÿ+¸{oóx\–åÞÀº~ת` =ZOI¬ M¤˜]N(d؆<Jð†kQUYèHži’ N3¦GŸeô!"¹OÎ8Ë=ÚT*œëó¾Â¥Ìp/ž^wSY¤ûi-sÇe9‚1ˆu0{mµVümòGB]·LM€'Zo2—›zÓN \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/objects/ae/e15dc567e332c5b5d12864dedc537319f93891 Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,2 @@ +xÚ ÊK +Â0Ea§Í*îØAi‹‚ ¸]A 764É_’ˆ¸{±“Ã78&ŠÁ8vãO®˜†á€{ù„Œ‡Dœùçuk‘Ø[IÕíqsŽv¦]ЕDðh3ÑŠÎ5…Õæí= BÓÚ¾0ôR'!¿¶Ûê¥WêÝ, \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/refs/heads/master Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,1 @@ +3bfaeb835bec3d26d8ae0fd9d6b9b1dc15eafa7a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/refs/heads/origin Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,1 @@ +3bfaeb835bec3d26d8ae0fd9d6b9b1dc15eafa7a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/.git/remotes/origin Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,2 @@ +URL: http://www.erwinrol.com/git/dmx_usb_module +Pull: refs/heads/master:refs/heads/origin
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/Changelog Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,10 @@ +08 Aug 2006 Erwin Rol <erwin@erwinrol.com> + * Updated for kernels newer than 2.6.16 + +16 Jan 2006 Erwin Rol <erwin@erwinrol.com> + * Updated for kernels newer than 2.6.13 + +15 Sep 2004 Erwin Rol <erwin@erwinrol.com> + * Added a check to see if the transmit + buffer is empty before doing the break. +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/Makefile Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,29 @@ +# +# $Id: Makefile 38 2004-09-11 11:15:09Z erwin $ +# + +ifneq ($(KERNELRELEASE),) + +obj-m := dmx_usb.o + +else + +KDIR := /lib/modules/$(shell uname -r)/build +PWD := $(shell pwd) + +default: + $(MAKE) -C $(KDIR) SUBDIRS=$(PWD) modules + gcc -O2 -pipe dmx_usb_test.c -o dmx_usb_test + +endif + +clean: + rm -f *.o *.ko + rm -f dmx_usb_test + rm -f dmx_usb.mod.c + rm -f .dmx_usb.* + rm -rf .tmp_versions + + +drew: + gcc dmx_usb.c -o dmx_usb.o -I/usr/src/linux-source-2.6.15/include \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/README Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,22 @@ +The DMX USB driver is a Linux 2.6 kernel driver for the Enttec +DMX USB dongle ( http://www.enttec.com/dmxusb.php ) + +Building the driver + +Before the driver can be build, the kernel sourcecode needs to be +installed. To build the driver just call make, this should build a +dmx_usb.ko (the kernel module) and a dmx_usb_test(a small test +program). + +Loading the right driver. + +A "small" problem to solve was to make the kernel clear that it should +use my driver for the dongle and not the standard usbserial driver. +Since I don't have any other USBserial devices with the samechip type I +just removed the ftdi_sio.ko module, and changed the /etc/hotplug/usb.distmap +to point to my module. To support both the ftdi_sio.o module and the +dmx_usb.o module the ftdi_sio.o module should be patched and the Product ID +for the FT232BM should be removed from it, this will mean all other +serial-usb devices are still supported just not the one with FT232BM chips, +since it isn't possible to differentiate DMX-USB and normal-serial versions. +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/dmx.pyx Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,28 @@ +cdef extern from "fcntl.h": + int open(char *pathname, int flags) + int O_WRONLY + +cdef extern from "unistd.h": + int write(int fd, void *buf, int count) + +cdef extern from "string.h": + char *strncpy(char *dest, char *src, int n) + +cdef extern from "Python.h": + char* PyString_AsString(object string) + +cdef class Dmx: + cdef int fd + def __new__(self, port="/dev/dmx0"): + self.fd = open(port, O_WRONLY) + if self.fd < 0: + raise OSError("open failed") + + def write(self, buf): + cdef char *cbuf + cbuf = PyString_AsString(buf) + if cbuf == NULL: + raise + res = write(self.fd, cbuf, 513) + if res < 0: + raise OSError("write failed")
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/dmx_usb.c Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,787 @@ +/* + * DMX USB driver + * + * Copyright (C) 2004,2006 Erwin Rol (erwin@erwinrol.com) + * + * This driver is based on the usb-skeleton driver; + * + * Copyright (C) 2001-2003 Greg Kroah-Hartman (greg@kroah.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + * $Id: dmx_usb.c 41 2004-09-14 23:35:25Z erwin $ + */ + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/smp_lock.h> +#include <linux/completion.h> +#include <asm/uaccess.h> +#include <linux/usb.h> +#include <linux/version.h> + +#include "dmx_usb.h" + +#ifdef CONFIG_USB_DEBUG + static int debug = 1; +#else + static int debug; +#endif + +/* Use our own dbg macro */ +#undef dbg +#define dbg(format, arg...) do { if (debug) printk(KERN_DEBUG __FILE__ ": " format "\n" , ## arg); } while (0) + + +/* Version Information */ +#define DRIVER_VERSION "v0.1.20060816" +#define DRIVER_AUTHOR "Erwin Rol, erwin@erwinrol.com" +#define DRIVER_DESC "DMX USB Driver" + +/* Module parameters */ +#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) ) +MODULE_PARM(debug, "i"); +MODULE_PARM_DESC(debug, "Debug enabled or not"); +#else +module_param(debug, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(debug, "Debug enabled or not"); +#endif + +static struct usb_device_id dmx_usb_table [] = { + { USB_DEVICE_VER(FTDI_VID, FTDI_8U232AM_PID, 0x400, 0xffff) }, + { USB_DEVICE_VER(FTDI_VID, FTDI_8U232AM_ALT_PID, 0x400, 0xffff) }, + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE (usb, dmx_usb_table); + +/* Get a minor range for your devices from the usb maintainer */ +#define DMX_USB_MINOR_BASE 192 + +/* Structure to hold all of our device specific stuff */ +struct dmx_usb_device { + struct usb_device * udev; /* save off the usb device pointer */ + struct usb_interface * interface; /* the interface for this device */ + unsigned char minor; /* the starting minor number for this device */ + unsigned char num_ports; /* the number of ports this device has */ + char num_interrupt_in; /* number of interrupt in endpoints we have */ + char num_bulk_in; /* number of bulk in endpoints we have */ + char num_bulk_out; /* number of bulk out endpoints we have */ + + unsigned char * bulk_in_buffer; /* the buffer to receive data */ + size_t bulk_in_size; /* the size of the receive buffer */ + __u8 bulk_in_endpointAddr; /* the address of the bulk in endpoint */ + + unsigned char * bulk_out_buffer; /* the buffer to send data */ + size_t bulk_out_size; /* the size of the send buffer */ + struct urb * write_urb; /* the urb used to send data */ + __u8 bulk_out_endpointAddr; /* the address of the bulk out endpoint */ + atomic_t write_busy; /* true iff write urb is busy */ + struct completion write_finished; /* wait for the write to finish */ + + int open; /* if the port is open or not */ + int present; /* if the device is not disconnected */ + struct semaphore sem; /* locks this structure */ +}; + + +/* prevent races between open() and disconnect() */ +static DECLARE_MUTEX (disconnect_sem); + +/* local function prototypes */ +//static ssize_t dmx_usb_read (struct file *file, char *buffer, size_t count, loff_t *ppos); +static ssize_t dmx_usb_write (struct file *file, const char *buffer, size_t count, loff_t *ppos); +static int dmx_usb_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg); +static int dmx_usb_open (struct inode *inode, struct file *file); +static int dmx_usb_release (struct inode *inode, struct file *file); + +static int dmx_usb_probe (struct usb_interface *interface, const struct usb_device_id *id); +static void dmx_usb_disconnect (struct usb_interface *interface); + +static void dmx_usb_write_bulk_callback (struct urb *urb, struct pt_regs *regs); + +static struct file_operations dmx_usb_fops = { + /* + * The owner field is part of the module-locking + * mechanism. The idea is that the kernel knows + * which module to increment the use-counter of + * BEFORE it calls the device's open() function. + * This also means that the kernel can decrement + * the use-counter again before calling release() + * or should the open() function fail. + */ + .owner = THIS_MODULE, + + /* .read = dmx_usb_read, */ + .write = dmx_usb_write, + .ioctl = dmx_usb_ioctl, + .open = dmx_usb_open, + .release = dmx_usb_release, +}; + +/* + * usb class driver info in order to get a minor number from the usb core, + * and to have the device registered with devfs and the driver core + */ +static struct usb_class_driver dmx_usb_class = { + .name = "usb/dmx%d", + .fops = &dmx_usb_fops, + .minor_base = DMX_USB_MINOR_BASE, +}; + +/* usb specific object needed to register this driver with the usb subsystem */ +static struct usb_driver dmx_usb_driver = { +#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) ) + .owner = THIS_MODULE, +#endif + .name = "dmx_usb", + .probe = dmx_usb_probe, + .disconnect = dmx_usb_disconnect, + .id_table = dmx_usb_table, +}; + + +/** + */ +static inline void dmx_usb_debug_data (const char *function, int size, const unsigned char *data) +{ + int i; + + if (!debug) + return; + + printk (KERN_DEBUG __FILE__": %s - length = %d, data = ", + function, size); + for (i = 0; i < size; ++i) { + printk ("%.2x ", data[i]); + } + printk ("\n"); +} + +static __u32 dmx_usb_baud_to_divisor(int baud) +{ + static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 }; + __u32 divisor; + int divisor3 = 48000000 / 2 / baud; // divisor shifted 3 bits to the left + divisor = divisor3 >> 3; + divisor |= (__u32)divfrac[divisor3 & 0x7] << 14; + /* Deal with special cases for highest baud rates. */ + if (divisor == 1) divisor = 0; else // 1.0 + if (divisor == 0x4001) divisor = 1; // 1.5 + return divisor; +} + +static int dmx_usb_set_speed(struct dmx_usb_device* dev) +{ + char *buf; + __u16 urb_value; + __u16 urb_index; + __u32 urb_index_value; + int rv; + + buf = kmalloc(1, GFP_NOIO); + if (!buf) + return -ENOMEM; + + urb_index_value = dmx_usb_baud_to_divisor(250000); + urb_value = (__u16)urb_index_value; + urb_index = (__u16)(urb_index_value >> 16); + + rv = usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + FTDI_SIO_SET_BAUDRATE_REQUEST, + FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE, + urb_value, urb_index, + buf, 0, HZ*10); + + kfree(buf); + return rv; +} + +static int dmx_usb_setup(struct dmx_usb_device* dev) +{ + __u16 urb_value; + char buf[1]; + + urb_value = FTDI_SIO_SET_DATA_STOP_BITS_2 | FTDI_SIO_SET_DATA_PARITY_NONE; + urb_value |= 8; // number of data bits + + if (usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), + FTDI_SIO_SET_DATA_REQUEST, + FTDI_SIO_SET_DATA_REQUEST_TYPE, + urb_value , 0, + buf, 0, HZ*10) < 0) { + err("%s FAILED to set databits/stopbits/parity", __FUNCTION__); + } + + if (usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), + FTDI_SIO_SET_FLOW_CTRL_REQUEST, + FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, + 0, 0, + buf, 0, HZ*10) < 0) { + err("%s error from disable flowcontrol urb", __FUNCTION__); + } + + dmx_usb_set_speed(dev); + + return 0; +} + +static void dmx_usb_set_break(struct dmx_usb_device* dev, int break_state) +{ + __u16 urb_value = FTDI_SIO_SET_DATA_STOP_BITS_2 | FTDI_SIO_SET_DATA_PARITY_NONE | 8; + + char buf[2]; + + if (break_state) { + urb_value |= FTDI_SIO_SET_BREAK; + } + + if (usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), + FTDI_SIO_SET_DATA_REQUEST, + FTDI_SIO_SET_DATA_REQUEST_TYPE, + urb_value , 0, + buf, 2, HZ*10) < 0) { + err("%s FAILED to enable/disable break state (state was %d)", __FUNCTION__,break_state); + } + + + dbg("%s break state is %d - urb is %d", __FUNCTION__,break_state, urb_value); +} + +/** + */ +static inline void dmx_usb_delete (struct dmx_usb_device *dev) +{ + kfree (dev->bulk_in_buffer); + usb_buffer_free (dev->udev, dev->bulk_out_size, + dev->bulk_out_buffer, + dev->write_urb->transfer_dma); + usb_free_urb (dev->write_urb); + kfree (dev); +} + + +/** + */ +static int dmx_usb_open (struct inode *inode, struct file *file) +{ + struct dmx_usb_device *dev = NULL; + struct usb_interface *interface; + int subminor; + int retval = 0; + + dbg("%s", __FUNCTION__); + + subminor = iminor(inode); + + /* prevent disconnects */ + down (&disconnect_sem); + + interface = usb_find_interface (&dmx_usb_driver, subminor); + if (!interface) { + err ("%s - error, can't find device for minor %d", + __FUNCTION__, subminor); + retval = -ENODEV; + goto exit_no_device; + } + + dev = usb_get_intfdata(interface); + if (!dev) { + retval = -ENODEV; + goto exit_no_device; + } + + /* lock this device */ + down (&dev->sem); + + /* increment our usage count for the driver */ + ++dev->open; + + /* save our object in the file's private structure */ + file->private_data = dev; + + /* unlock this device */ + up (&dev->sem); + +exit_no_device: + up (&disconnect_sem); + return retval; +} + + +/** + */ +static int dmx_usb_release (struct inode *inode, struct file *file) +{ + struct dmx_usb_device *dev; + int retval = 0; + + dev = (struct dmx_usb_device *)file->private_data; + if (dev == NULL) { + dbg ("%s - object is NULL", __FUNCTION__); + return -ENODEV; + } + + dbg("%s - minor %d", __FUNCTION__, dev->minor); + + /* lock our device */ + down (&dev->sem); + + if (dev->open <= 0) { + dbg ("%s - device not opened", __FUNCTION__); + retval = -ENODEV; + goto exit_not_opened; + } + + /* wait for any bulk writes that might be going on to finish up */ + if (atomic_read (&dev->write_busy)) + wait_for_completion (&dev->write_finished); + + --dev->open; + + if (!dev->present && !dev->open) { + /* the device was unplugged before the file was released */ + up (&dev->sem); + dmx_usb_delete (dev); + return 0; + } + +exit_not_opened: + up (&dev->sem); + + return retval; +} + +#if 0 + +Read is not yet supported + +/** + */ +static ssize_t dmx_usb_read (struct file *file, char *buffer, size_t count, loff_t *ppos) +{ + struct dmx_usb_device *dev; + int retval = 0; + int bytes_read; + + dev = (struct dmx_usb_device *)file->private_data; + + dbg("%s - minor %d, count = %Zd", __FUNCTION__, dev->minor, count); + + /* lock this object */ + down (&dev->sem); + + /* verify that the device wasn't unplugged */ + if (!dev->present) { + up (&dev->sem); + return -ENODEV; + } + + /* do a blocking bulk read to get data from the device */ + retval = usb_bulk_msg (dev->udev, + usb_rcvbulkpipe (dev->udev, + dev->bulk_in_endpointAddr), + dev->bulk_in_buffer, + min (dev->bulk_in_size, count), + &bytes_read, HZ*10); + + /* if the read was successful, copy the data to userspace */ + if (!retval) { + if (copy_to_user (buffer, dev->bulk_in_buffer+2, bytes_read-2)) + retval = -EFAULT; + else + retval = bytes_read; + } + + /* unlock the device */ + up (&dev->sem); + return retval; +} + +#endif + +static __u16 dmx_usb_get_status(struct dmx_usb_device* dev) +{ + int retval = 0; + int count = 0; + __u16 buf; + + retval = usb_bulk_msg (dev->udev, + usb_rcvbulkpipe (dev->udev, dev->bulk_in_endpointAddr), + &buf, 2, &count, HZ*10); + + if (retval) + return 0; + + return buf; +} + + + +/** + * dmx_usb_write + * + * A device driver has to decide how to report I/O errors back to the + * user. The safest course is to wait for the transfer to finish before + * returning so that any errors will be reported reliably. dmx_usb_read() + * works like this. But waiting for I/O is slow, so many drivers only + * check for errors during I/O initiation and do not report problems + * that occur during the actual transfer. That's what we will do here. + * + * A driver concerned with maximum I/O throughput would use double- + * buffering: Two urbs would be devoted to write transfers, so that + * one urb could always be active while the other was waiting for the + * user to send more data. + */ +static ssize_t dmx_usb_write (struct file *file, const char *buffer, size_t count, loff_t *ppos) +{ + struct dmx_usb_device *dev; + ssize_t bytes_written = 0; + int retval = 0; + __u16 stat; + + dev = (struct dmx_usb_device *)file->private_data; + + dbg("%s - minor %d, count = %Zd", __FUNCTION__, dev->minor, count); + + /* lock this object */ + down (&dev->sem); + + /* verify that the device wasn't unplugged */ + if (!dev->present) { + retval = -ENODEV; + goto exit; + } + + /* verify that we actually have some data to write */ + if (count == 0) { + dbg("%s - write request of 0 bytes", __FUNCTION__); + goto exit; + } + + /* wait for a previous write to finish up; we don't use a timeout + * and so a nonresponsive device can delay us indefinitely. + */ + if (atomic_read (&dev->write_busy)) + wait_for_completion (&dev->write_finished); + + /* we can only write as much as our buffer will hold */ + bytes_written = min (dev->bulk_out_size, count); + + /* copy the data from userspace into our transfer buffer; + * this is the only copy required. + */ + if (copy_from_user(dev->write_urb->transfer_buffer, buffer, + bytes_written)) { + retval = -EFAULT; + goto exit; + } + + dmx_usb_debug_data (__FUNCTION__, bytes_written, + dev->write_urb->transfer_buffer); + + /* this urb was already set up, except for this write size */ + dev->write_urb->transfer_buffer_length = bytes_written; + + /* Poll the device to see if the transmit buffer is empty */ + do { + stat = dmx_usb_get_status(dev); + if (stat == 0) { + retval = -EFAULT; + goto exit; + } + } while ( (stat & ((FTDI_RS_TEMT) << 8) ) == 0 ) ; + + /* the transmit buffer is empty, now toggle the break */ + dmx_usb_set_break(dev, 1); + dmx_usb_set_break(dev, 0); + + /* send the data out the bulk port */ + /* a character device write uses GFP_KERNEL, + unless a spinlock is held */ + init_completion (&dev->write_finished); + atomic_set (&dev->write_busy, 1); + retval = usb_submit_urb(dev->write_urb, GFP_KERNEL); + if (retval) { + atomic_set (&dev->write_busy, 0); + err("%s - failed submitting write urb, error %d", + __FUNCTION__, retval); + } else { + retval = bytes_written; + } + +exit: + /* unlock the device */ + up (&dev->sem); + + return retval; +} + + +/** + */ +static int dmx_usb_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) +{ + struct dmx_usb_device *dev; + + dev = (struct dmx_usb_device *)file->private_data; + + /* lock this object */ + down (&dev->sem); + + /* verify that the device wasn't unplugged */ + if (!dev->present) { + up (&dev->sem); + return -ENODEV; + } + + dbg("%s - minor %d, cmd 0x%.4x, arg %ld", __FUNCTION__, + dev->minor, cmd, arg); + + /* fill in your device specific stuff here */ + + /* unlock the device */ + up (&dev->sem); + + /* return that we did not understand this ioctl call */ + return -ENOTTY; +} + + +/** + */ +static void dmx_usb_write_bulk_callback (struct urb *urb, struct pt_regs *regs) +{ + struct dmx_usb_device *dev = (struct dmx_usb_device *)urb->context; + + dbg("%s - minor %d", __FUNCTION__, dev->minor); + + /* sync/async unlink faults aren't errors */ + if (urb->status && !(urb->status == -ENOENT || + urb->status == -ECONNRESET)) { + dbg("%s - nonzero write bulk status received: %d", + __FUNCTION__, urb->status); + } + + /* notify anyone waiting that the write has finished */ + atomic_set (&dev->write_busy, 0); + complete (&dev->write_finished); +} + +/** + * + * Called by the usb core when a new device is connected that it thinks + * this driver might be interested in. + */ +static int dmx_usb_probe(struct usb_interface *interface, const struct usb_device_id *id) +{ + struct usb_device *udev = interface_to_usbdev(interface); + struct dmx_usb_device *dev = NULL; + struct usb_host_interface *iface_desc; + struct usb_endpoint_descriptor *endpoint; + size_t buffer_size; + int i; + int retval = -ENOMEM; + + /* See if the device offered us matches what we can accept */ + if ((udev->descriptor.idVendor != FTDI_VID) || + (udev->descriptor.idProduct != FTDI_8U232AM_PID)) { + return -ENODEV; + } + + /* allocate memory for our device state and initialize it */ + dev = kmalloc (sizeof(struct dmx_usb_device), GFP_KERNEL); + if (dev == NULL) { + err ("Out of memory"); + return -ENOMEM; + } + memset (dev, 0x00, sizeof (*dev)); + + init_MUTEX (&dev->sem); + dev->udev = udev; + dev->interface = interface; + + /* set up the endpoint information */ + /* check out the endpoints */ + /* use only the first bulk-in and bulk-out endpoints */ + iface_desc = &interface->altsetting[0]; + for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { + endpoint = &iface_desc->endpoint[i].desc; + + if (!dev->bulk_in_endpointAddr && + (endpoint->bEndpointAddress & USB_DIR_IN) && + ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) + == USB_ENDPOINT_XFER_BULK)) { + /* we found a bulk in endpoint */ + buffer_size = endpoint->wMaxPacketSize; + dev->bulk_in_size = buffer_size; + dev->bulk_in_endpointAddr = endpoint->bEndpointAddress; + dev->bulk_in_buffer = kmalloc (buffer_size, GFP_KERNEL); + if (!dev->bulk_in_buffer) { + err("Couldn't allocate bulk_in_buffer"); + goto error; + } + } + + if (!dev->bulk_out_endpointAddr && + !(endpoint->bEndpointAddress & USB_DIR_IN) && + ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) + == USB_ENDPOINT_XFER_BULK)) { + /* we found a bulk out endpoint */ + /* a probe() may sleep and has no restrictions on memory allocations */ + dev->write_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!dev->write_urb) { + err("No free urbs available"); + goto error; + } + dev->bulk_out_endpointAddr = endpoint->bEndpointAddress; + + /* on some platforms using this kind of buffer alloc + * call eliminates a dma "bounce buffer". + * + * NOTE: you'd normally want i/o buffers that hold + * more than one packet, so that i/o delays between + * packets don't hurt throughput. + */ + buffer_size = endpoint->wMaxPacketSize; + dev->bulk_out_size = 513; + dev->write_urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; + dev->bulk_out_buffer = usb_buffer_alloc (udev, + buffer_size, GFP_KERNEL, + &dev->write_urb->transfer_dma); + if (!dev->bulk_out_buffer) { + err("Couldn't allocate bulk_out_buffer"); + goto error; + } + usb_fill_bulk_urb(dev->write_urb, udev, + usb_sndbulkpipe(udev, + endpoint->bEndpointAddress), + dev->bulk_out_buffer, buffer_size, + dmx_usb_write_bulk_callback, dev); + } + } + if (!(dev->bulk_in_endpointAddr && dev->bulk_out_endpointAddr)) { + err("Couldn't find both bulk-in and bulk-out endpoints"); + goto error; + } + + dmx_usb_setup(dev); + + /* allow device read, write and ioctl */ + dev->present = 1; + + /* we can register the device now, as it is ready */ + usb_set_intfdata (interface, dev); + retval = usb_register_dev (interface, &dmx_usb_class); + if (retval) { + /* something prevented us from registering this driver */ + err ("Not able to get a minor for this device."); + usb_set_intfdata (interface, NULL); + goto error; + } + + dev->minor = interface->minor; + + /* let the user know what node this device is now attached to */ + info ("DMX USB device now attached to dmx%d", dev->minor); + return 0; + +error: + dmx_usb_delete (dev); + return retval; +} + + +/** + * + * Called by the usb core when the device is removed from the system. + * + * This routine guarantees that the driver will not submit any more urbs + * by clearing dev->udev. It is also supposed to terminate any currently + * active urbs. Unfortunately, usb_bulk_msg(), used in dmx_usb_read(), does + * not provide any way to do this. But at least we can cancel an active + * write. + */ +static void dmx_usb_disconnect(struct usb_interface *interface) +{ + struct dmx_usb_device *dev; + int minor; + + /* prevent races with open() */ + down (&disconnect_sem); + + dev = usb_get_intfdata (interface); + usb_set_intfdata (interface, NULL); + + down (&dev->sem); + + minor = dev->minor; + + /* give back our minor */ + usb_deregister_dev (interface, &dmx_usb_class); + + /* terminate an ongoing write */ + if (atomic_read (&dev->write_busy)) { + usb_unlink_urb (dev->write_urb); + wait_for_completion (&dev->write_finished); + } + + /* prevent device read, write and ioctl */ + dev->present = 0; + + up (&dev->sem); + + /* if the device is opened, dmx_usb_release will clean this up */ + if (!dev->open) + dmx_usb_delete (dev); + + up (&disconnect_sem); + + info("DMX USB #%d now disconnected", minor); +} + + + +/** + * dmx_usb_init + */ +static int __init dmx_usb_init(void) +{ + int result; + + /* register this driver with the USB subsystem */ + result = usb_register(&dmx_usb_driver); + if (result) { + err("usb_register failed. Error number %d", + result); + return result; + } + + info(DRIVER_DESC " " DRIVER_VERSION); + return 0; +} + + +/** + * dmx_usb_exit + */ +static void __exit dmx_usb_exit(void) +{ + /* deregister this driver with the USB subsystem */ + usb_deregister(&dmx_usb_driver); +} + + +module_init (dmx_usb_init); +module_exit (dmx_usb_exit); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/dmx_usb.h Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,663 @@ +/* + * Definitions for the FTDI USB Single Port Serial Converter - + * known as FTDI_SIO (Serial Input/Output application of the chipset) + * + * The example I have is known as the USC-1000 which is available from + * http://www.dse.co.nz - cat no XH4214 It looks similar to this: + * http://www.dansdata.com/usbser.htm but I can't be sure There are other + * USC-1000s which don't look like my device though so beware! + * + * The device is based on the FTDI FT8U100AX chip. It has a DB25 on one side, + * USB on the other. + * + * Thanx to FTDI (http://www.ftdi.co.uk) for so kindly providing details + * of the protocol required to talk to the device and ongoing assistence + * during development. + * + * Bill Ryder - bryder@sgi.com formerly of Silicon Graphics, Inc.- wrote the + * FTDI_SIO implementation. + * + * Philipp Gühring - pg@futureware.at - added the Device ID of the USB relais + * from Rudolf Gugler + * + * $Id: dmx_usb.h 40 2004-09-11 11:16:39Z erwin $ + */ + +#define FTDI_VID 0x0403 /* Vendor Id */ +#define FTDI_SIO_PID 0x8372 /* Product Id SIO application of 8U100AX */ +#define FTDI_8U232AM_PID 0x6001 /* Similar device to SIO above */ +#define FTDI_8U232AM_ALT_PID 0x6006 /* FTDI's alternate PID for above */ +#define FTDI_RELAIS_PID 0xFA10 /* Relais device from Rudolf Gugler */ +#define FTDI_NF_RIC_VID 0x0DCD /* Vendor Id */ +#define FTDI_NF_RIC_PID 0x0001 /* Product Id */ + +/* www.irtrans.de device */ +#define FTDI_IRTRANS_PID 0xFC60 /* Product Id */ + +/* www.crystalfontz.com devices - thanx for providing free devices for evaluation ! */ +/* they use the ftdi chipset for the USB interface and the vendor id is the same */ +#define FTDI_XF_632_PID 0xFC08 /* 632: 16x2 Character Display */ +#define FTDI_XF_634_PID 0xFC09 /* 634: 20x4 Character Display */ +#define FTDI_XF_547_PID 0xFC0A /* 547: Two line Display */ +#define FTDI_XF_633_PID 0xFC0B /* 633: 16x2 Character Display with Keys */ +#define FTDI_XF_631_PID 0xFC0C /* 631: 20x2 Character Display */ +#define FTDI_XF_635_PID 0xFC0D /* 635: 20x4 Character Display */ +#define FTDI_XF_640_PID 0xFC0E /* 640: Two line Display */ +#define FTDI_XF_642_PID 0xFC0F /* 642: Two line Display */ + +/* Video Networks Limited / Homechoice in the UK use an ftdi-based device for their 1Mb */ +/* broadband internet service. The following PID is exhibited by the usb device supplied */ +/* (the VID is the standard ftdi vid (FTDI_VID) */ +#define FTDI_VNHCPCUSB_D_PID 0xfe38 /* Product Id */ + +/* + * The following are the values for the Matrix Orbital LCD displays, + * which are the FT232BM ( similar to the 8U232AM ) + */ +#define FTDI_MTXORB_0_PID 0xFA00 /* Matrix Orbital Product Id */ +#define FTDI_MTXORB_1_PID 0xFA01 /* Matrix Orbital Product Id */ +#define FTDI_MTXORB_2_PID 0xFA02 /* Matrix Orbital Product Id */ +#define FTDI_MTXORB_3_PID 0xFA03 /* Matrix Orbital Product Id */ +#define FTDI_MTXORB_4_PID 0xFA04 /* Matrix Orbital Product Id */ +#define FTDI_MTXORB_5_PID 0xFA05 /* Matrix Orbital Product Id */ +#define FTDI_MTXORB_6_PID 0xFA06 /* Matrix Orbital Product Id */ + +/* + * The following are the values for the Perle Systems + * UltraPort USB serial converters + */ +#define FTDI_PERLE_ULTRAPORT_PID 0xF0C0 /* Perle UltraPort Product Id */ + +/* + * The following are the values for the Sealevel SeaLINK+ adapters. + * (Original list sent by Tuan Hoang. Ian Abbott renamed the macros and + * removed some PIDs that don't seem to match any existing products.) + */ +#define SEALEVEL_VID 0x0c52 /* Sealevel Vendor ID */ +#define SEALEVEL_2101_PID 0x2101 /* SeaLINK+232 (2101/2105) */ +#define SEALEVEL_2102_PID 0x2102 /* SeaLINK+485 (2102) */ +#define SEALEVEL_2103_PID 0x2103 /* SeaLINK+232I (2103) */ +#define SEALEVEL_2104_PID 0x2104 /* SeaLINK+485I (2104) */ +#define SEALEVEL_2201_1_PID 0x2211 /* SeaPORT+2/232 (2201) Port 1 */ +#define SEALEVEL_2201_2_PID 0x2221 /* SeaPORT+2/232 (2201) Port 2 */ +#define SEALEVEL_2202_1_PID 0x2212 /* SeaPORT+2/485 (2202) Port 1 */ +#define SEALEVEL_2202_2_PID 0x2222 /* SeaPORT+2/485 (2202) Port 2 */ +#define SEALEVEL_2203_1_PID 0x2213 /* SeaPORT+2 (2203) Port 1 */ +#define SEALEVEL_2203_2_PID 0x2223 /* SeaPORT+2 (2203) Port 2 */ +#define SEALEVEL_2401_1_PID 0x2411 /* SeaPORT+4/232 (2401) Port 1 */ +#define SEALEVEL_2401_2_PID 0x2421 /* SeaPORT+4/232 (2401) Port 2 */ +#define SEALEVEL_2401_3_PID 0x2431 /* SeaPORT+4/232 (2401) Port 3 */ +#define SEALEVEL_2401_4_PID 0x2441 /* SeaPORT+4/232 (2401) Port 4 */ +#define SEALEVEL_2402_1_PID 0x2412 /* SeaPORT+4/485 (2402) Port 1 */ +#define SEALEVEL_2402_2_PID 0x2422 /* SeaPORT+4/485 (2402) Port 2 */ +#define SEALEVEL_2402_3_PID 0x2432 /* SeaPORT+4/485 (2402) Port 3 */ +#define SEALEVEL_2402_4_PID 0x2442 /* SeaPORT+4/485 (2402) Port 4 */ +#define SEALEVEL_2403_1_PID 0x2413 /* SeaPORT+4 (2403) Port 1 */ +#define SEALEVEL_2403_2_PID 0x2423 /* SeaPORT+4 (2403) Port 2 */ +#define SEALEVEL_2403_3_PID 0x2433 /* SeaPORT+4 (2403) Port 3 */ +#define SEALEVEL_2403_4_PID 0x2443 /* SeaPORT+4 (2403) Port 4 */ +#define SEALEVEL_2801_1_PID 0X2811 /* SeaLINK+8/232 (2801) Port 1 */ +#define SEALEVEL_2801_2_PID 0X2821 /* SeaLINK+8/232 (2801) Port 2 */ +#define SEALEVEL_2801_3_PID 0X2831 /* SeaLINK+8/232 (2801) Port 3 */ +#define SEALEVEL_2801_4_PID 0X2841 /* SeaLINK+8/232 (2801) Port 4 */ +#define SEALEVEL_2801_5_PID 0X2851 /* SeaLINK+8/232 (2801) Port 5 */ +#define SEALEVEL_2801_6_PID 0X2861 /* SeaLINK+8/232 (2801) Port 6 */ +#define SEALEVEL_2801_7_PID 0X2871 /* SeaLINK+8/232 (2801) Port 7 */ +#define SEALEVEL_2801_8_PID 0X2881 /* SeaLINK+8/232 (2801) Port 8 */ +#define SEALEVEL_2802_1_PID 0X2812 /* SeaLINK+8/485 (2802) Port 1 */ +#define SEALEVEL_2802_2_PID 0X2822 /* SeaLINK+8/485 (2802) Port 2 */ +#define SEALEVEL_2802_3_PID 0X2832 /* SeaLINK+8/485 (2802) Port 3 */ +#define SEALEVEL_2802_4_PID 0X2842 /* SeaLINK+8/485 (2802) Port 4 */ +#define SEALEVEL_2802_5_PID 0X2852 /* SeaLINK+8/485 (2802) Port 5 */ +#define SEALEVEL_2802_6_PID 0X2862 /* SeaLINK+8/485 (2802) Port 6 */ +#define SEALEVEL_2802_7_PID 0X2872 /* SeaLINK+8/485 (2802) Port 7 */ +#define SEALEVEL_2802_8_PID 0X2882 /* SeaLINK+8/485 (2802) Port 8 */ +#define SEALEVEL_2803_1_PID 0X2813 /* SeaLINK+8 (2803) Port 1 */ +#define SEALEVEL_2803_2_PID 0X2823 /* SeaLINK+8 (2803) Port 2 */ +#define SEALEVEL_2803_3_PID 0X2833 /* SeaLINK+8 (2803) Port 3 */ +#define SEALEVEL_2803_4_PID 0X2843 /* SeaLINK+8 (2803) Port 4 */ +#define SEALEVEL_2803_5_PID 0X2853 /* SeaLINK+8 (2803) Port 5 */ +#define SEALEVEL_2803_6_PID 0X2863 /* SeaLINK+8 (2803) Port 6 */ +#define SEALEVEL_2803_7_PID 0X2873 /* SeaLINK+8 (2803) Port 7 */ +#define SEALEVEL_2803_8_PID 0X2883 /* SeaLINK+8 (2803) Port 8 */ + +/* + * DSS-20 Sync Station for Sony Ericsson P800 + */ + +#define FTDI_DSS20_PID 0xFC82 + +/* + * Home Electronics (www.home-electro.com) USB gadgets + */ +#define FTDI_HE_TIRA1_PID 0xFA78 /* Tira-1 IR tranceiver */ + +/* USB-UIRT - An infrared receiver and transmitter using the 8U232AM chip */ +/* http://home.earthlink.net/~jrhees/USBUIRT/index.htm */ +#define FTDI_USB_UIRT_PID 0xF850 /* Product Id */ + +/* ELV USB Module UO100 (PID sent by Stefan Frings) */ +#define FTDI_ELV_UO100_PID 0xFB58 /* Product Id */ + +/* + * Definitions for ID TECH (www.idt-net.com) devices + */ +#define IDTECH_VID 0x0ACD /* ID TECH Vendor ID */ +#define IDTECH_IDT1221U_PID 0x0300 /* IDT1221U USB to RS-232 adapter */ + +/* + * Definitions for Omnidirectional Control Technology, Inc. devices + */ +#define OCT_VID 0x0B39 /* OCT vendor ID */ +/* Note: OCT US101 is also rebadged as Dick Smith Electronics (NZ) XH6381 */ +#define OCT_US101_PID 0x0421 /* OCT US101 USB to RS-232 */ + +/* an infrared receiver for user access control with IR tags */ +#define FTDI_PIEGROUP_PID 0xF208 /* Product Id */ + +/* + * Protego product ids + */ +#define PROTEGO_SPECIAL_1 0xFC70 /* special/unknown device */ +#define PROTEGO_R2X0 0xFC71 /* R200-USB TRNG unit (R210, R220, and R230) */ +#define PROTEGO_SPECIAL_3 0xFC72 /* special/unknown device */ +#define PROTEGO_SPECIAL_4 0xFC73 /* special/unknown device */ + +/* + * Gude Analog- und Digitalsysteme GmbH + */ +#define FTDI_GUDEADS_E808_PID 0xE808 +#define FTDI_GUDEADS_E809_PID 0xE809 +#define FTDI_GUDEADS_E80A_PID 0xE80A +#define FTDI_GUDEADS_E80B_PID 0xE80B +#define FTDI_GUDEADS_E80C_PID 0xE80C +#define FTDI_GUDEADS_E80D_PID 0xE80D +#define FTDI_GUDEADS_E80E_PID 0xE80E +#define FTDI_GUDEADS_E80F_PID 0xE80F +#define FTDI_GUDEADS_E888_PID 0xE888 /* Expert ISDN Control USB */ +#define FTDI_GUDEADS_E889_PID 0xE889 /* USB RS-232 OptoBridge */ +#define FTDI_GUDEADS_E88A_PID 0xE88A +#define FTDI_GUDEADS_E88B_PID 0xE88B +#define FTDI_GUDEADS_E88C_PID 0xE88C +#define FTDI_GUDEADS_E88D_PID 0xE88D +#define FTDI_GUDEADS_E88E_PID 0xE88E +#define FTDI_GUDEADS_E88F_PID 0xE88F + +/* + * Linx Technologies product ids + */ +#define LINX_SDMUSBQSS_PID 0xF448 /* Linx SDM-USB-QS-S */ +#define LINX_MASTERDEVEL2_PID 0xF449 /* Linx Master Development 2.0 */ +#define LINX_FUTURE_0_PID 0xF44A /* Linx future device */ +#define LINX_FUTURE_1_PID 0xF44B /* Linx future device */ +#define LINX_FUTURE_2_PID 0xF44C /* Linx future device */ +#define FTDI_GUDEADS_889_PID 0xe889 /* USB RS323 OptoBridge */ +/* CCS Inc. ICDU/ICDU40 product ID - the FT232BM is used in an in-circuit-debugger */ +/* unit for PIC16's/PIC18's */ +#define FTDI_CCSICDU20_0_PID 0xF9D0 +#define FTDI_CCSICDU40_1_PID 0xF9D1 + +/* Inside Accesso contactless reader (http://www.insidefr.com) */ +#define INSIDE_ACCESSO 0xFAD0 + +/* Commands */ +#define FTDI_SIO_RESET 0 /* Reset the port */ +#define FTDI_SIO_MODEM_CTRL 1 /* Set the modem control register */ +#define FTDI_SIO_SET_FLOW_CTRL 2 /* Set flow control register */ +#define FTDI_SIO_SET_BAUD_RATE 3 /* Set baud rate */ +#define FTDI_SIO_SET_DATA 4 /* Set the data characteristics of the port */ +#define FTDI_SIO_GET_MODEM_STATUS 5 /* Retrieve current value of modern status register */ +#define FTDI_SIO_SET_EVENT_CHAR 6 /* Set the event character */ +#define FTDI_SIO_SET_ERROR_CHAR 7 /* Set the error character */ + +/* Port Identifier Table */ +#define PIT_DEFAULT 0 /* SIOA */ +#define PIT_SIOA 1 /* SIOA */ +/* The device this driver is tested with one has only one port */ +#define PIT_SIOB 2 /* SIOB */ +#define PIT_PARALLEL 3 /* Parallel */ + +/* FTDI_SIO_RESET */ +#define FTDI_SIO_RESET_REQUEST FTDI_SIO_RESET +#define FTDI_SIO_RESET_REQUEST_TYPE 0x40 +#define FTDI_SIO_RESET_SIO 0 +#define FTDI_SIO_RESET_PURGE_RX 1 +#define FTDI_SIO_RESET_PURGE_TX 2 + +/* + * BmRequestType: 0100 0000B + * bRequest: FTDI_SIO_RESET + * wValue: Control Value + * 0 = Reset SIO + * 1 = Purge RX buffer + * 2 = Purge TX buffer + * wIndex: Port + * wLength: 0 + * Data: None + * + * The Reset SIO command has this effect: + * + * Sets flow control set to 'none' + * Event char = $0D + * Event trigger = disabled + * Purge RX buffer + * Purge TX buffer + * Clear DTR + * Clear RTS + * baud and data format not reset + * + * The Purge RX and TX buffer commands affect nothing except the buffers + * + */ + +/* FTDI_SIO_SET_BAUDRATE */ +#define FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE 0x40 +#define FTDI_SIO_SET_BAUDRATE_REQUEST 3 + +/* + * BmRequestType: 0100 0000B + * bRequest: FTDI_SIO_SET_BAUDRATE + * wValue: BaudDivisor value - see below + * wIndex: Port + * wLength: 0 + * Data: None + * The BaudDivisor values are calculated as follows: + * - BaseClock is either 12000000 or 48000000 depending on the device. FIXME: I wish + * I knew how to detect old chips to select proper base clock! + * - BaudDivisor is a fixed point number encoded in a funny way. + * (--WRONG WAY OF THINKING--) + * BaudDivisor is a fixed point number encoded with following bit weighs: + * (-2)(-1)(13..0). It is a radical with a denominator of 4, so values + * end with 0.0 (00...), 0.25 (10...), 0.5 (01...), and 0.75 (11...). + * (--THE REALITY--) + * The both-bits-set has quite different meaning from 0.75 - the chip designers + * have decided it to mean 0.125 instead of 0.75. + * This info looked up in FTDI application note "FT8U232 DEVICES \ Data Rates + * and Flow Control Consideration for USB to RS232". + * - BaudDivisor = (BaseClock / 16) / BaudRate, where the (=) operation should + * automagically re-encode the resulting value to take fractions into consideration. + * As all values are integers, some bit twiddling is in order: + * BaudDivisor = (BaseClock / 16 / BaudRate) | + * (((BaseClock / 2 / BaudRate) & 4) ? 0x4000 // 0.5 + * : ((BaseClock / 2 / BaudRate) & 2) ? 0x8000 // 0.25 + * : ((BaseClock / 2 / BaudRate) & 1) ? 0xc000 // 0.125 + * : 0) + * + * For the FT232BM, a 17th divisor bit was introduced to encode the multiples + * of 0.125 missing from the FT8U232AM. Bits 16 to 14 are coded as follows + * (the first four codes are the same as for the FT8U232AM, where bit 16 is + * always 0): + * 000 - add .000 to divisor + * 001 - add .500 to divisor + * 010 - add .250 to divisor + * 011 - add .125 to divisor + * 100 - add .375 to divisor + * 101 - add .625 to divisor + * 110 - add .750 to divisor + * 111 - add .875 to divisor + * Bits 15 to 0 of the 17-bit divisor are placed in the urb value. Bit 16 is + * placed in bit 0 of the urb index. + * + * Note that there are a couple of special cases to support the highest baud + * rates. If the calculated divisor value is 1, this needs to be replaced with + * 0. Additionally for the FT232BM, if the calculated divisor value is 0x4001 + * (1.5), this needs to be replaced with 0x0001 (1) (but this divisor value is + * not supported by the FT8U232AM). + */ + +typedef enum { + SIO = 1, + FT8U232AM = 2, + FT232BM = 3, +} ftdi_chip_type_t; + +typedef enum { + ftdi_sio_b300 = 0, + ftdi_sio_b600 = 1, + ftdi_sio_b1200 = 2, + ftdi_sio_b2400 = 3, + ftdi_sio_b4800 = 4, + ftdi_sio_b9600 = 5, + ftdi_sio_b19200 = 6, + ftdi_sio_b38400 = 7, + ftdi_sio_b57600 = 8, + ftdi_sio_b115200 = 9 +} FTDI_SIO_baudrate_t ; + +/* + * The ftdi_8U232AM_xxMHz_byyy constants have been removed. The encoded divisor values + * are calculated internally. + */ + +#define FTDI_SIO_SET_DATA_REQUEST FTDI_SIO_SET_DATA +#define FTDI_SIO_SET_DATA_REQUEST_TYPE 0x40 +#define FTDI_SIO_SET_DATA_PARITY_NONE (0x0 << 8 ) +#define FTDI_SIO_SET_DATA_PARITY_ODD (0x1 << 8 ) +#define FTDI_SIO_SET_DATA_PARITY_EVEN (0x2 << 8 ) +#define FTDI_SIO_SET_DATA_PARITY_MARK (0x3 << 8 ) +#define FTDI_SIO_SET_DATA_PARITY_SPACE (0x4 << 8 ) +#define FTDI_SIO_SET_DATA_STOP_BITS_1 (0x0 << 11 ) +#define FTDI_SIO_SET_DATA_STOP_BITS_15 (0x1 << 11 ) +#define FTDI_SIO_SET_DATA_STOP_BITS_2 (0x2 << 11 ) +#define FTDI_SIO_SET_BREAK (0x1 << 14) +/* FTDI_SIO_SET_DATA */ + +/* + * BmRequestType: 0100 0000B + * bRequest: FTDI_SIO_SET_DATA + * wValue: Data characteristics (see below) + * wIndex: Port + * wLength: 0 + * Data: No + * + * Data characteristics + * + * B0..7 Number of data bits + * B8..10 Parity + * 0 = None + * 1 = Odd + * 2 = Even + * 3 = Mark + * 4 = Space + * B11..13 Stop Bits + * 0 = 1 + * 1 = 1.5 + * 2 = 2 + * B14 + * 1 = TX ON (break) + * 0 = TX OFF (normal state) + * B15 Reserved + * + */ + + + +/* FTDI_SIO_MODEM_CTRL */ +#define FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE 0x40 +#define FTDI_SIO_SET_MODEM_CTRL_REQUEST FTDI_SIO_MODEM_CTRL + +/* + * BmRequestType: 0100 0000B + * bRequest: FTDI_SIO_MODEM_CTRL + * wValue: ControlValue (see below) + * wIndex: Port + * wLength: 0 + * Data: None + * + * NOTE: If the device is in RTS/CTS flow control, the RTS set by this + * command will be IGNORED without an error being returned + * Also - you can not set DTR and RTS with one control message + */ + +#define FTDI_SIO_SET_DTR_MASK 0x1 +#define FTDI_SIO_SET_DTR_HIGH ( 1 | ( FTDI_SIO_SET_DTR_MASK << 8)) +#define FTDI_SIO_SET_DTR_LOW ( 0 | ( FTDI_SIO_SET_DTR_MASK << 8)) +#define FTDI_SIO_SET_RTS_MASK 0x2 +#define FTDI_SIO_SET_RTS_HIGH ( 2 | ( FTDI_SIO_SET_RTS_MASK << 8 )) +#define FTDI_SIO_SET_RTS_LOW ( 0 | ( FTDI_SIO_SET_RTS_MASK << 8 )) + +/* + * ControlValue + * B0 DTR state + * 0 = reset + * 1 = set + * B1 RTS state + * 0 = reset + * 1 = set + * B2..7 Reserved + * B8 DTR state enable + * 0 = ignore + * 1 = use DTR state + * B9 RTS state enable + * 0 = ignore + * 1 = use RTS state + * B10..15 Reserved + */ + +/* FTDI_SIO_SET_FLOW_CTRL */ +#define FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE 0x40 +#define FTDI_SIO_SET_FLOW_CTRL_REQUEST FTDI_SIO_SET_FLOW_CTRL +#define FTDI_SIO_DISABLE_FLOW_CTRL 0x0 +#define FTDI_SIO_RTS_CTS_HS (0x1 << 8) +#define FTDI_SIO_DTR_DSR_HS (0x2 << 8) +#define FTDI_SIO_XON_XOFF_HS (0x4 << 8) +/* + * BmRequestType: 0100 0000b + * bRequest: FTDI_SIO_SET_FLOW_CTRL + * wValue: Xoff/Xon + * wIndex: Protocol/Port - hIndex is protocl / lIndex is port + * wLength: 0 + * Data: None + * + * hIndex protocol is: + * B0 Output handshaking using RTS/CTS + * 0 = disabled + * 1 = enabled + * B1 Output handshaking using DTR/DSR + * 0 = disabled + * 1 = enabled + * B2 Xon/Xoff handshaking + * 0 = disabled + * 1 = enabled + * + * A value of zero in the hIndex field disables handshaking + * + * If Xon/Xoff handshaking is specified, the hValue field should contain the XOFF character + * and the lValue field contains the XON character. + */ + +/* + * FTDI_SIO_SET_EVENT_CHAR + * + * Set the special event character for the specified communications port. + * If the device sees this character it will immediately return the + * data read so far - rather than wait 40ms or until 62 bytes are read + * which is what normally happens. + */ + + +#define FTDI_SIO_SET_EVENT_CHAR_REQUEST FTDI_SIO_SET_EVENT_CHAR +#define FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE 0x40 + + +/* + * BmRequestType: 0100 0000b + * bRequest: FTDI_SIO_SET_EVENT_CHAR + * wValue: EventChar + * wIndex: Port + * wLength: 0 + * Data: None + * + * wValue: + * B0..7 Event Character + * B8 Event Character Processing + * 0 = disabled + * 1 = enabled + * B9..15 Reserved + * + */ + +/* FTDI_SIO_SET_ERROR_CHAR */ + +/* Set the parity error replacement character for the specified communications port */ + +/* + * BmRequestType: 0100 0000b + * bRequest: FTDI_SIO_SET_EVENT_CHAR + * wValue: Error Char + * wIndex: Port + * wLength: 0 + * Data: None + * + *Error Char + * B0..7 Error Character + * B8 Error Character Processing + * 0 = disabled + * 1 = enabled + * B9..15 Reserved + * + */ + +/* FTDI_SIO_GET_MODEM_STATUS */ +/* Retreive the current value of the modem status register */ + +#define FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE 0xc0 +#define FTDI_SIO_GET_MODEM_STATUS_REQUEST FTDI_SIO_GET_MODEM_STATUS +#define FTDI_SIO_CTS_MASK 0x10 +#define FTDI_SIO_DSR_MASK 0x20 +#define FTDI_SIO_RI_MASK 0x40 +#define FTDI_SIO_RLSD_MASK 0x80 +/* + * BmRequestType: 1100 0000b + * bRequest: FTDI_SIO_GET_MODEM_STATUS + * wValue: zero + * wIndex: Port + * wLength: 1 + * Data: Status + * + * One byte of data is returned + * B0..3 0 + * B4 CTS + * 0 = inactive + * 1 = active + * B5 DSR + * 0 = inactive + * 1 = active + * B6 Ring Indicator (RI) + * 0 = inactive + * 1 = active + * B7 Receive Line Signal Detect (RLSD) + * 0 = inactive + * 1 = active + */ + + + +/* Descriptors returned by the device + * + * Device Descriptor + * + * Offset Field Size Value Description + * 0 bLength 1 0x12 Size of descriptor in bytes + * 1 bDescriptorType 1 0x01 DEVICE Descriptor Type + * 2 bcdUSB 2 0x0110 USB Spec Release Number + * 4 bDeviceClass 1 0x00 Class Code + * 5 bDeviceSubClass 1 0x00 SubClass Code + * 6 bDeviceProtocol 1 0x00 Protocol Code + * 7 bMaxPacketSize0 1 0x08 Maximum packet size for endpoint 0 + * 8 idVendor 2 0x0403 Vendor ID + * 10 idProduct 2 0x8372 Product ID (FTDI_SIO_PID) + * 12 bcdDevice 2 0x0001 Device release number + * 14 iManufacturer 1 0x01 Index of man. string desc + * 15 iProduct 1 0x02 Index of prod string desc + * 16 iSerialNumber 1 0x02 Index of serial nmr string desc + * 17 bNumConfigurations 1 0x01 Number of possible configurations + * + * Configuration Descriptor + * + * Offset Field Size Value + * 0 bLength 1 0x09 Size of descriptor in bytes + * 1 bDescriptorType 1 0x02 CONFIGURATION Descriptor Type + * 2 wTotalLength 2 0x0020 Total length of data + * 4 bNumInterfaces 1 0x01 Number of interfaces supported + * 5 bConfigurationValue 1 0x01 Argument for SetCOnfiguration() req + * 6 iConfiguration 1 0x02 Index of config string descriptor + * 7 bmAttributes 1 0x20 Config characteristics Remote Wakeup + * 8 MaxPower 1 0x1E Max power consumption + * + * Interface Descriptor + * + * Offset Field Size Value + * 0 bLength 1 0x09 Size of descriptor in bytes + * 1 bDescriptorType 1 0x04 INTERFACE Descriptor Type + * 2 bInterfaceNumber 1 0x00 Number of interface + * 3 bAlternateSetting 1 0x00 Value used to select alternate + * 4 bNumEndpoints 1 0x02 Number of endpoints + * 5 bInterfaceClass 1 0xFF Class Code + * 6 bInterfaceSubClass 1 0xFF Subclass Code + * 7 bInterfaceProtocol 1 0xFF Protocol Code + * 8 iInterface 1 0x02 Index of interface string description + * + * IN Endpoint Descriptor + * + * Offset Field Size Value + * 0 bLength 1 0x07 Size of descriptor in bytes + * 1 bDescriptorType 1 0x05 ENDPOINT descriptor type + * 2 bEndpointAddress 1 0x82 Address of endpoint + * 3 bmAttributes 1 0x02 Endpoint attributes - Bulk + * 4 bNumEndpoints 2 0x0040 maximum packet size + * 5 bInterval 1 0x00 Interval for polling endpoint + * + * OUT Endpoint Descriptor + * + * Offset Field Size Value + * 0 bLength 1 0x07 Size of descriptor in bytes + * 1 bDescriptorType 1 0x05 ENDPOINT descriptor type + * 2 bEndpointAddress 1 0x02 Address of endpoint + * 3 bmAttributes 1 0x02 Endpoint attributes - Bulk + * 4 bNumEndpoints 2 0x0040 maximum packet size + * 5 bInterval 1 0x00 Interval for polling endpoint + * + * DATA FORMAT + * + * IN Endpoint + * + * The device reserves the first two bytes of data on this endpoint to contain the current + * values of the modem and line status registers. In the absence of data, the device + * generates a message consisting of these two status bytes every 40 ms + * + * Byte 0: Modem Status + * + * Offset Description + * B0 Reserved - must be 1 + * B1 Reserved - must be 0 + * B2 Reserved - must be 0 + * B3 Reserved - must be 0 + * B4 Clear to Send (CTS) + * B5 Data Set Ready (DSR) + * B6 Ring Indicator (RI) + * B7 Receive Line Signal Detect (RLSD) + * + * Byte 1: Line Status + * + * Offset Description + * B0 Data Ready (DR) + * B1 Overrun Error (OE) + * B2 Parity Error (PE) + * B3 Framing Error (FE) + * B4 Break Interrupt (BI) + * B5 Transmitter Holding Register (THRE) + * B6 Transmitter Empty (TEMT) + * B7 Error in RCVR FIFO + * + */ +#define FTDI_RS0_CTS (1 << 4) +#define FTDI_RS0_DSR (1 << 5) +#define FTDI_RS0_RI (1 << 6) +#define FTDI_RS0_RLSD (1 << 7) + +#define FTDI_RS_DR 1 +#define FTDI_RS_OE (1<<1) +#define FTDI_RS_PE (1<<2) +#define FTDI_RS_FE (1<<3) +#define FTDI_RS_BI (1<<4) +#define FTDI_RS_THRE (1<<5) +#define FTDI_RS_TEMT (1<<6) +#define FTDI_RS_FIFO (1<<7) + +/* + * OUT Endpoint + * + * This device reserves the first bytes of data on this endpoint contain the length + * and port identifier of the message. For the FTDI USB Serial converter the port + * identifier is always 1. + * + * Byte 0: Line Status + * + * Offset Description + * B0 Reserved - must be 1 + * B1 Reserved - must be 0 + * B2..7 Length of message - (not including Byte 0) + * + */ +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/dmx_usb_test.c Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,44 @@ +/* + * $Id: dmx_usb_test.c 40 2004-09-11 11:16:39Z erwin $ + */ + +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <stdlib.h> + +int main(int argc, char* argv[]) +{ + unsigned char buffer[513]; + int fd; + int res; + int i; + + fd = open("/dev/dmx0",O_WRONLY); + if (fd < 0) { + perror("open"); + exit(-1); + } + + for (i = 0; i < 513;i++) { + buffer[i] = 0x00; + } + + buffer[512] = 0x55; + + while(1) { + res = write(fd, buffer, 513); + + if (res < 0){ + perror("write"); + exit(-1); + } + } + + close(fd); + + return 0; +} +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/pyout Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,7 @@ + +from dmx import Dmx + +d = Dmx() +while 1: + d.write("\xff" * 100, times=1) +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmx_usb_module/setup.py Wed Jun 13 06:01:22 2007 +0000 @@ -0,0 +1,14 @@ +from distutils.core import setup +from distutils.extension import Extension +from Pyrex.Distutils import build_ext + +setup(name="dmx", + ext_modules=[ + Extension("dmx", + ["dmx.pyx"], +# library_dirs=['/usr/X11R6/lib'], +# libraries=["X11","Xtst"] + ), + ], + cmdclass={'build_ext':build_ext}) +