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| author | Gary E. Miller <gem@rellim.com> | 2015-03-10 17:29:24 -0700 |
|---|---|---|
| committer | Gary E. Miller <gem@rellim.com> | 2015-03-10 17:29:24 -0700 |
| commit | 833095f59c75295627c4d5a2d90cc83377faecb3 (patch) | |
| tree | bec25867f7f38f0cf7c85459b0b893f5d56cd7b8 /www | |
| parent | b51d8864ec85dac2ac66ccbbc7f4c94f823b9893 (diff) | |
| download | gpsd-833095f59c75295627c4d5a2d90cc83377faecb3.tar.gz | |
Note a kernel configuration option required for RasPi and PPS.
Diffstat (limited to 'www')
| -rw-r--r-- | www/gpsd-time-service-howto.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/www/gpsd-time-service-howto.txt b/www/gpsd-time-service-howto.txt index a665ff6c..b3d55edd 100644 --- a/www/gpsd-time-service-howto.txt +++ b/www/gpsd-time-service-howto.txt @@ -248,6 +248,14 @@ CONFIG_PPS=y CONFIG_PPS_CLIENT_LDISC=y ----------------------------------------------------------------------------- +Some embedded systems, like the Rasberry Pi, detect PPS on a GPIO +line instead of an a serial port line. For those systems you will +also need this line: + +----------------------------------------------------------------------------- +CONFIG_PPS_CLIENT_GPIO=y +----------------------------------------------------------------------------- + Your Linux distribution may ship a file /boot/config-XXX (where XXX is the name of a kernel) or one called /proc/config.gz (for the running kernel). This will have a list of the configuration options that were |