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README.md
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README.md
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# FBDASH - lightweight dashboard for the RaspberryPi without X (using framebuffer only)
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<a href="resources/_20220505_094153.JPG">
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<img src="resources/_20220505_094153.JPG" width="200px;" align="none" hspace="25px" vspace="0" />
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</a>
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## Get the sources
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In order to setup the dashboard start with cloning this repo ;)
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git clone https://git.klelifo.de/flo/fb-dash
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cd fb-dash
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# Connect the display to the RaspberryPi
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## Connect the display to the RaspberryPi
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Here is some info on how to wire the display to the RaspberryPi.
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## Full connection diagram (9 wires needed)
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### Full connection diagram (9 wires needed)
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Wire the display connector according to the connector scheme below.\
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**NOTE:** The 56 Ohm resistor is suggested for safety reasons - but it also seems to work fine wihtout it
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@ -23,7 +30,7 @@ Wire the display connector according to the connector scheme below.\
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GND --------------------------- GND | | PIN 9,14,20,25
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VCC --------------------------- 3,3V | | PIN 1,17
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## Minimal connection diagram (7 wires needed)
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### Minimal connection diagram (7 wires needed)
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Wire the display connector according to the connector scheme below.\
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**NOTE:** The 56 Ohm resistor is suggested for safety reasons - but it also seems to work fine wihtout it
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GND --------------------------- GND | | PIN 9,14,20,25
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VCC --------------------------- 3,3V | | PIN 1,17
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## Some explanation
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### Some explanation
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|---------> Power
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GND --|
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VCC --|
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@ -59,7 +66,7 @@ Wire the display connector according to the connector scheme below.\
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|---------> Resets the display controller when pulled low
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RESET |
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# Configure the display
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## Configure the display
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**TL;DR** just run ```make rpi-config```
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Some work is needed before we can actually use the ILI9341 display with the RaspberryPi.\
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@ -68,10 +75,10 @@ Essentially we need to
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* Load the fbtft_device kernel module with the correct parameters
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to get a working /dev/fb1 framebuffer device.
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## Enable SPI interface on the raspberry pi
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### Enable SPI interface on the raspberry pi
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echo "dtparam=spi=on" | sudo tee -a /boot/config
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## Activate modules to be loaded at boot
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### Activate modules to be loaded at boot
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echo "spi_bcm2835" | sudo tee -a /etc/modules
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echo "fbtft_device" | sudo tee -a /etc/modules
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echo "options fbtft_device name=rpi-display gpios=reset:25,dc:24,led:18" | sudo tee -a /etc/modprobe.d/fbtft_device.conf
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@ -79,28 +86,28 @@ to get a working /dev/fb1 framebuffer device.
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# Setup fbdash binary
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## Setup fbdash binary
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**TL;DR** just run ```sudo apt install -y libmariadb2 && make install```
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After the display is setup we can build and install the fbdash binary.
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## Build the sources
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### Build the sources
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sudo apt install libmariadb2
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make
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## Install in /usr/bin
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### Install in /usr/bin
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sudo make install
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## Test it
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### Test it
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fbdash
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# Use systemd for regular updates
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## Use systemd for regular updates
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While we could also use cron for regular execution of the fbdash binary I opted to use systemd this time.\
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The future is now ... ;)
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## Install unit files
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### Install unit files
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**TL;DR** just run ```make systemd-config```
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The following files use systemd to setup a regular update of the dashboard screen (60s by default).\
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@ -111,7 +118,7 @@ If you like to change the default, just edit the ```fbdash.timer``` file before
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sudo systemctl enable fbdash.timer
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sudo systemctl start fbdash.timer
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## Check timers
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### Check timers
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systemctl list-timers
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NEXT LEFT LAST PASSED UNIT ACTIVATES
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Wed 2022-05-04 14:16:10 CEST 28s left Wed 2022-05-04 14:15:10 CEST 31s ago fbdash.timer fbdash.service
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