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Documentation: minor rewrite of the Mac Driver appendix

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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Dirk Hohndel 2013-02-18 11:25:37 -08:00
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Documentation/user-manual.txt
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@ -786,27 +786,27 @@ Zeagle:::
Appendix B: Mac OSX Driver Installation Appendix B: Mac OSX Driver Installation
--------------------------------------- ---------------------------------------
Working out which driver to use for a Mac requires for a particular dive computer can Working out which driver to use for a Mac when using a particular dive computer can
require some experimentation. The libdivecomputer website provides a useful point from require some experimentation. The libdivecomputer website provides a useful point from
which to start: http://www.divesoftware.org/libdc/drivers.html. It lists a number of which to start: http://www.divesoftware.org/libdc/drivers.html. It lists a number of
sites for manufacturers of the serial to USB chips which provide the necessary conversions. sites for manufacturers of the serial to USB chips which provide the necessary conversions.
Here you have two alternatives. Either you try each of the major drivers in turn until Here you have two alternatives. Either you try each of the major drivers in turn until
you find the right one, or you follow some further steps to try and identify the right you find the right one, or you follow some further steps to try and identify the right
driver up front. To determine the required driver up front, first attach the USB to device driver up front. To determine the required driver up front, first attach the USB download
connector cable. Next open a terminal window and run the command: cable for your dive computer. Next open a terminal window and run the command:
system_profiler SPUSBDataType > usb.txt system_profiler SPUSBDataType > usb.txt
you should end up with a file (usb.txt in this example) which contains the VID/PID information You should end up with a file (usb.txt in this example) which contains the VID/PID information
which can then be used with the URL above to narrow the field. Just open the text file and which can then be used with the URL above to narrow the field. Just open the text file and
compare the information with the table in the drivers section of the web page. This should compare the information with the table in the drivers section of the web page. This should
point you to the relevant driver manufacturer. Typically, one then needs to navigate to the point you to the relevant driver manufacturer. Typically, you then need to navigate to the
relevant sub page for "drivers" and then the one for "VCP drivers." VCP stands for Virtual relevant sub page for "drivers" and then the one for "VCP drivers." VCP stands for Virtual
Com Port. You want VCP rather than D2XX drivers, for example. Make sure to download the correct Com Port. You want VCP rather than D2XX drivers, for example. Make sure to download the correct
version for your particular version of OS X. version for your particular version of OS X.
These can be downloaded to the Mac and installed in the usual way. Details on how to Downloaded that driver to your Mac and install it in the usual way. Details on how to
install on OS X 10.8 differ from earlier versions due to the new security functions. install on OS X 10.8 differ from earlier versions due to the new security functions.
Put simply, unless the driver has been digitally signed in an approved way OS X will Put simply, unless the driver has been digitally signed in an approved way OS X will
block the installation. You can either make some changes to your system security settings block the installation. You can either make some changes to your system security settings
@ -824,7 +824,7 @@ goes like this:
You can find a high-level explanation of the new security features from apple here: You can find a high-level explanation of the new security features from apple here:
https://www.apple.com/osx/what-is/security.html. https://www.apple.com/osx/what-is/security.html.
Until you have the correct driver installed, subsurface will not connect to your dive Until you have the correct driver installed, subsurface will not be able to connect to your
computer. If you try one VCP driver and it still doesn't work, try the next manufacturer dive computer. If you try one VCP driver and it still doesn't work, try the next manufacturer
until it does. If you run out of drivers and still can't get things working perhaps until it does. If you run out of drivers and still can't get things working perhaps
it is time to contact us via the subsurface mail lists. it is time to contact us via the subsurface mail lists.