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timelapse/README.md
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timelapse/README.md
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# Linux Webcam Time Lapse Script
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This is a simple set of scripts to easily capture images on a set interval using a webcam attached to a Linux machine. For my use case I have built and tested this on a Raspberry Pi 3 with a Logitech C90 1080p webcam.
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## How it works
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* This script depends on `fswebcam` and `rsync` to work. An image is captured with `fswebcam` and stored locally, then synced to a remote device (ie. NAS).
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* Everything should be easily configurable from variables at the top of each file.
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* The install script just copies the script files to an install directory of your choice and does `chmod +x` on them.
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* Right now the script needs `root`/`sudo` permission as it syncs the files to a device that requires root for me. An adaptation of the script would negate the need for `root` permissions.
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* `tl-control` creates a cron file in `/etc/cron.d` named `timelapse` with a job that runs `tl-capture` as root and redirects the output to `/var/log/timelapse.log`
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## Explanation of Variables
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#### `install.sh`
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```
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INSTALL_DIR -- Directory to install the script files to
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FILE_LIST -- List of file names to be installed, shouldn't change unless you're modifying the script or names
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```
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#### `tl-control`
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```
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INSTALL_DIR -- Directory that the script files were installed to, must match install.sh
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FILE_LIST -- List of file names installed as part of the script, must match install.sh
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IMG_DIR -- Directory to save timelapse images to before syncing
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SYNC_DES_PATH -- Complete path to sync destination directory
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# Cron
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CRON_DIR -- Complete path to your system's cron.d directory
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CRON_FILE -- What to name the cron job file.
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CRON_FREQUENCY -- Will get set by the script when starting a time lapse
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CRON_LOG_PATH -- Complete path to output log location, including filename
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CRON_JOB -- Text of the cron job, starting with the user, do not include frequency here
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```
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# Configuration Variables
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INSTALL_DIR="/usr/local/bin"
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FILE_LIST=("tl-capture" "tl-clean" "tl-control")
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FILE_LIST=("tl-capture" "tl-control")
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IMG_DIR="/tmp/TL"
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SYNC_DES_PATH="/mnt/media/TL/to-process"
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# Cron
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