diff options
Diffstat (limited to 'gnu/packages/libftdi.scm')
| -rw-r--r-- | gnu/packages/libftdi.scm | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/gnu/packages/libftdi.scm b/gnu/packages/libftdi.scm index 25db26793d..279618144d 100644 --- a/gnu/packages/libftdi.scm +++ b/gnu/packages/libftdi.scm @@ -78,6 +78,12 @@ "/share/libftdi/examples") (string-append #$output:python "/share/libftdi/examples"))))) + (add-after 'install-python-binding 'install-udev-rules + (lambda _ + (install-file + (string-append + "../libftdi1-" #$version "/packages/99-libftdi.rules") + (string-append #$output "/lib/udev/rules.d/")))) (add-after 'install-python-binding 'install-documentation (lambda _ (let ((share (string-append #$output:doc "/share"))) @@ -98,6 +104,15 @@ (synopsis "FTDI USB driver with bitbang mode") (description "libFTDI is a library to talk to FTDI chips: FT232BM, FT245BM, FT2232C, -FT2232D, FT245R and FT232H including the popular bitbangmode.") +FT2232D, FT245R and FT232H including the popular bitbangmode. +To use @code{libftdi} without root privileges it is necessary to install the +necessary udev rules. This can be done by extending @code{udev-service-type} +in the @code{operating-system} configuration file with this package, as in: +@lisp +(udev-rules-service 'libftdi libftdi #:groups '(\"plugdev\") +@end lisp +Additionally, the @samp{plugdev} group should be registered in the +@code{supplementary-groups} field of your @code{user-account} +declaration. Refer to @samp{info \"(guix) Base Services\"} for examples.") (license (list license:gpl2 ; ftdi_eeprom, C++ bindings license:lgpl2.1)))) ; main library |