From fb3daa73cf121e2fd15288ce13e24c5e0016274b Mon Sep 17 00:00:00 2001 From: Steven Baltakatei Sandoval Date: Sat, 24 Oct 2020 23:35:53 +0000 Subject: [PATCH 1/1] chore(TODO):Update --- TODO.org | 31 +++++++++++++++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/TODO.org b/TODO.org index c85e44f..3cf21cb 100644 --- a/TODO.org +++ b/TODO.org @@ -1,6 +1,23 @@ * Task List -** TODO ~doc/setup~: Disable bluetooth -** TODO ~/doc/time~: Migrate from ~ntpsec~ to ~chrony~ +** TODO Add ~photograph~ (?) logging +The Raspberry Pi Zero W has a camera connector that lets certain types +of camera devices connect. The ~raspistill~ command permits capturing +of photographs and outputting the file to stdout. Therefore, it should +be possible to create a script that periodically calls ~raspistill~ to +output ~jpg~ stdout to ~age~ for encryption and addition to a ~tar~ +file. An Arducam IMX219 wide angle camera captures an 8 megapixel +image; default settings of ~raspistill~ produces an image of roughly +~4.5~ to ~5~ megabytes. + +Some commands that can be used for creating timelapses via ~ffmpeg~ +are: + +: ffmpeg -r 60 -f image2 -s 3280x2464 -pattern_type glob -i '*.jpg' -vcodec libx264 -crf 18 "$(date +%Y%m%dT%H%M%S%z)..time_lapse".mp4 +: cat *.jpg | ffmpeg -f image2pipe -i - output.mp4 # see https://trac.ffmpeg.org/wiki/Slideshow#Pipe + +* Finished Tasks +** DONE ~/doc/time~: Migrate from ~ntpsec~ to ~chrony~ + CLOSED: [2020-10-19 Mon 03:48] The ~ntpsec~ package is in the ~dfsg~ Debian repository instead of the ~main~ Debian repository. This is likely due to ~ntpsec~ using a mix of ~ntp~'s original "NTP License", ~BSD 2~, and ~MIT~ licenses. @@ -11,3 +28,13 @@ in the Debian main repository. ~gpsd~ documentation for communicating to ~chrony~ via ~/run/chrony.XXXX.sock~ and ~/run/chrony.YYYY.sock~ sockets (for GPS and PPS data respectively) can be found [[https://gpsd.gitlab.io/gpsd/gpsd-time-service-howto.html#_feeding_chrony_from_gpsd][here]]. +*** Closing comments (bktei): +~chrony~ seems much simpler to configure. Its method for interfacing +with ~gpsd~ seems simpler as well. The fact that it displays time +units in its ~chronyc sources~ output means the developers value +communicating clearly the values they provide the user. +** DONE ~doc/setup~: Disable bluetooth + CLOSED: [2020-10-19 Mon 03:50] +*** Closing comments (bktei): +Bluetooth is disabled via a ~systemctl~ command and modifications to +~/boot/config.txt~. -- 2.30.2