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@ -4,7 +4,7 @@
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<book lang="en">
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<bookinfo>
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<title>Universal JTAG library, server and tools</title>
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<date>2008-02-28</date>
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<date>2008-05-27</date>
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<author>
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<firstname>Kolja</firstname>
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<othername>Waschk</othername>
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@ -12,7 +12,7 @@
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</author>
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<authorinitials>KW(</authorinitials>
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<revhistory><revision><revnumber>1105</revnumber><date>2008-02-28</date><authorinitials>KW(</authorinitials></revision></revhistory>
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<revhistory><revision><revnumber>1256</revnumber><date>2008-05-27</date><authorinitials>KW(</authorinitials></revision></revhistory>
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</bookinfo>
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<chapter id="_copyright">
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@ -385,6 +385,11 @@ Atmel ATmega128 (partial support)
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</listitem>
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<listitem>
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<simpara>
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Atmel AT32AP7000 (partial support)
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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Broadcom BCM1250
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</simpara>
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</listitem>
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@ -544,13 +549,13 @@ AMD Am29xx040B (Am29F040B, Am29LV040B)
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<title>Required software for compiling UrJTAG</title>
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<simpara>To run autogen.sh, you need autoconf and automake, bison, and a recent flex.</simpara>
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<simpara>The distributed source tarball contains source pregenerated with a current flex
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version; flex therefore is only needed if you want to compile code checked
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out from our Subversion repository. Flex 2.5.4a as it comes with Cygwin will
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work but some parts of UrJTAG (namely the SVF player) become more verbose if
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Flex 2.5.31 or newer is used. Building the BSDL subsystem files requires Flex
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2.5.33 or newer. The configure script will compare the available Flex version
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against these preconditions and enables or disables the related features. ,</simpara>
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<simpara>The distributed source tarball contains source pregenerated with a current
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flex version; flex therefore is only needed if you want to compile code
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checked out from our Subversion repository. Flex 2.5.4a as it comes with
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Cygwin cannot build the scanners for BSDL and SVF. Building these files
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requires Flex 2.5.33 or newer. The configure script will compare the available
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Flex version against these preconditions and enables or disables the related
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features.</simpara>
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<simpara>Furthermore, libtool should be available, and "devel" versions of the following
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packages:</simpara>
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@ -656,9 +661,9 @@ without spaces in the name is better) and afterwards run configure with the
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<literallayout class="monospaced">./configure --with-ftd2xx="/cygdrive/c/temp/ftdi-cdm-drivers"</literallayout>
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<simpara>Configure should now report</simpara>
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<literallayout class="monospaced">FTDI cable support
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<literallayout class="monospaced">jtag is now configured for
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...
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via libftd2xx : yes</literallayout>
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Detected libftd2xx : yes</literallayout>
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</section>
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<section id="_using_libusb_win32_in_cygwin_environment">
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<title>Using LibUSB-Win32 in Cygwin environment</title>
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@ -675,6 +680,31 @@ http://libusb-win32.sourceforge.net
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might give problems if the path contains spaces, as "Program Files" does!):</simpara>
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<literallayout class="monospaced">./configure --with-libusb="/cygdrive/c/Programme/LibUSB-Win32/"</literallayout>
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</section>
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<section id="_compiling_with_mingw">
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<title>Compiling with MinGW</title>
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<simpara>UrJTAG may be compiled into a Windows executable using the MinGW compiler
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(http://www.mingw.org). This has the advantage over running in a Cygwin
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environment that you don't need to install anything else but the jtag.exe.
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However, because support for MinGW is quite new in UrJTAG, it may lack some
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features (e.g. readline support) or run a little slower.</simpara>
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<simpara>It is even possible to cross-compile and build the executable on a Linux
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host:</simpara>
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<literallayout class="monospaced">./configure --host=i586-mingw32msvc --with-ftd2xx=/tmp/cdm-drivers
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make</literallayout>
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</section>
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<section id="_driver_tailoring">
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<title>Driver tailoring</title>
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<simpara>The configure script enables all default bus, cable and lowlevel drivers. You
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can include and exclude specific drivers if required. For a list of parameters
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run</simpara>
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<literallayout class="monospaced">./configure --help</literallayout>
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<simpara>to figure out the appropriate —enable-bus, —enable-cable and —enable-lowlevel
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options.</simpara>
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</section>
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<section id="_building_the_bsdl_subsystem">
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<title>Building the BSDL subsystem</title>
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@ -1188,18 +1218,24 @@ modprobe parport_pc</literallayout>
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<simpara>UrJTAG now also supports some USB cables. Unfortunately, there is no standard
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for "JTAG over USB", so this support is limited to a few selected cables only.
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For cables based on the FT2232 chip from FTDI, the cable command has to be
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given cable name, driver name, and USB Vendor and Product ID of the cable:</simpara>
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given cable name and optionally the driver name, USB Vendor, and Product ID of
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the cable:</simpara>
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<literallayout class="monospaced">jtag> cable ARM-USB-OCD ftdi-mpsse 15ba:3</literallayout>
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<simpara>For some cables, UrJTAG knows the VID:PID and you can just say ":"</simpara>
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<literallayout class="monospaced">jtag> cable ARM-USB-OCD vid=15ba pid=0003 driver=ftdi-mpsse</literallayout>
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<simpara>For all known cables, UrJTAG knows the VID and PID so you can just say</simpara>
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<literallayout class="monospaced">jtag> cable JTAGkey ftdi-mpsse :</literallayout>
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<simpara>On Windows, if UrJTAG was compiled to use the drivers supplied by
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FTDI, the command should instead look like this:</simpara>
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<literallayout class="monospaced">jtag> cable ARM-USB-OCD</literallayout>
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<simpara>If your cable isn't detected automatically though it's listed as a known and
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supported cable, feel free to report its VID and PID. It might be a different
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revision and should be added to the known & tested list of cables.</simpara>
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<literallayout class="monospaced">jtag> cable ARM-USB-OCD ftd2xx-mpsse 15ba:3</literallayout>
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<simpara>The support for USB-based cables and their configuration is work
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in progress; the above syntax may change (i.e. become simpler) soon.</simpara>
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<simpara>As stated above, the driver name is not mandatory for the cable
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command. UrJTAG will select the driver automatically based on UrJTAG's
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configuration. In case your system provides just one of libftdi or FTD2XX
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the respective driver is selected. If both libraries are available, then
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FTD2XX is selected. That's simply because FTD2XX showed some performance
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advantages over libftdi in the past. You can still force libftdi with the
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respective parameter.</simpara>
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</section>
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<section id="_detect">
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@ -1564,6 +1600,10 @@ In case the TDO parameter of an SDR command leads to a mismatch the player
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issues a warning and continues. If the player should abort in this case then
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specify <emphasis>stop</emphasis> at the svf command.</simpara>
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<simpara>The absence of error or warning messages indicate that the SVF file could be
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executed without problems. To get a progress reporting while the player advances
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through the SVF file, specify <emphasis>progress</emphasis> at the svf command.</simpara>
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<sidebar>
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<title>Limitations and Deficiencies</title>
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<simpara>Several limitations exist for the SVF player.</simpara>
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@ -1648,12 +1688,6 @@ RUNTEST SCK not supported.
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</listitem>
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<listitem>
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<simpara>
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SIR
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No check is done against the TDO parameter.
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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TRST
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Parameters Z and ABSENT are not supported.
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</simpara>
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@ -2338,15 +2372,10 @@ chips, and probably soon will be rewritten as "usbconn" drivers instead.</simpar
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<section id="_usbconn">
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<title>usbconn</title>
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<simpara>The usbconn drivers provide a common API to search for and connect with USB
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devices. At the moment, there's only a libusb driver, but others will follow
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(e.g. to communicate with FTDI chip based cables through libftdi and/or FTD2XX,
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to communicate with Cypress FX2 using EZUSB.SYS or CyUSB.sys, and more).</simpara>
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<simpara>In contrast to the parport API, the usbconn drivers provide only the functions
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for connecting, disconnecting, and for releasing ressources. The actual
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communication must be implemented using the underlying library's functions,
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e.g. usb_write from libusb, or ftdi_write from libftdi. Therefore, each driver
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using usbconn usually only works together with one particular usbconn driver.</simpara>
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devices. At the moment, there are drivers for libusd, libftdi and FTD2XX
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(e.g. to communicate with FTDI chip based cables through libftdi and/or
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FTD2XX, to communicate with Cypress FX2 using EZUSB.SYS or CyUSB.sys, and
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more).</simpara>
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</section>
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</section>
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@ -2414,7 +2443,7 @@ bus_write() - Write access
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</simpara>
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</listitem>
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</itemizedlist>
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<important><simpara>Address parameters to the functions listed above apecify always
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<important><simpara>Address parameters to the functions listed above specify always
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byte locations, independent of the actual data width. The bus driver has to
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adjust the address on its own if required.</simpara></important>
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<section id="_initialization_2">
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@ -2438,9 +2467,10 @@ command before it lists the areas covered by this bus driver.</simpara>
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</section>
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<section id="_preparation">
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<title>Preparation</title>
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<simpara>This function is called whenever at the start of a bus operation. The driver
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should perform the required preparation steps so that subsequent calls to the
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bus_read_* and bus_write functions can perform their tasks properly.</simpara>
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<simpara>This function is called whenever a bus operation is initiated. The
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driver should perform the required preparation steps so that
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subsequent calls to the bus_read_* and bus_write functions can perform
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their tasks properly.</simpara>
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<simpara>E.g. a BSR bus driver would put the device into EXTEST mode to activate the
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boundary scan register on the device pins.</simpara>
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Kolja Waschk
17 years ago