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94 lines
3.7 KiB
Markdown
94 lines
3.7 KiB
Markdown
+++
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title = "Universal Remote - Part IV"
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date = 2015-11-05
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[taxonomies]
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tags = ["RaspberryPi", "UniversalRemote"]
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+++
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With the hardware built the next step is getting the Raspberry Pi up and running and installing [LIRC](http://www.lirc.org/). [Alexba.in](http://alexba.in/) has a comprehensive post for both of these things: [RaspberryPi Quickstart](http://alexba.in/blog/2013/01/04/raspberrypi-quickstart/) and [Setting Up LIRC on the RaspberryPi](http://alexba.in/blog/2013/01/06/setting-up-lirc-on-the-raspberrypi/).
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I discovered and modified a few things along the way, so here’s what I did:
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- Download the latest [Raspbian Image](https://www.raspberrypi.org/downloads/raspbian/) and follow their [Installation Guide](https://www.raspberrypi.org/documentation/installation/installing-images/README.md).
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- Network the Pi over wired Ethernet using RJ45 connector.
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- Connect to the Pi over SSH with [PuTTy](http://www.putty.org/).
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Since I’d like to connect over WiFi I’ve added a [Belkin USB F7D2101](https://www.belkin.com/us/support-product?pid=01t80000002G16OAAS). For future development, I also added a [ORICO BTA-402 USB Bluetooth 4.0 Micro Adapter Dongle](https://www.amazon.com/ORICO-Bluetooth-Adapter-Windows-Consumption/dp/B01827IICO) for controlling a Play Station 3 using [GIMX](https://gimx.fr/wiki/index.php?title=Main_Page).
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<!-- more -->
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{{ image(src="https://raw.githubusercontent.com/kylejcarlton/zola-theme-terminimal/master/img/RemoteBuildWirelessBT.jpg", position="left") }}
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- With the Pi temporarily connected by Ethernet cable, I [set up the wireless connection via the command line](https://www.raspberrypi.com/documentation/computers/configuration.html) over SSH.
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- The following commands update the Software and Firmware then sync the Time with a source on the Internet:
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```bash
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sudo apt-get update
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sudo apt-get upgrade
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sudo apt-get dist-upgrade
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sudo apt-get install git-core
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sudo wget http://goo.gl/1BOfJ -O /usr/bin/rpi-update && sudo chmod +x /usr/bin/rpi-update
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sudo rpi-update
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sudo apt-get install ntpdate
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sudo ntpdate -u ntp.ubuntu.com
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```
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- Next install [LIRC](http://www.lirc.org/)
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```bash
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sudo apt-get install lirc
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```
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- Modify **/etc/modules** and **/etc/lirc/hardware.conf** for the specific hardware being used:
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_**/etc/modules**_
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```bash
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lirc_dev
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lirc_rpi gpio_in_pin=23 gpio_out_pin=22
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```
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_**/etc/lirc/hardware.conf**_
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```bash
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######################
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# /etc/lirc/hardware.conf
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#
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# Arguments which will be used when launching lircd
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LIRCD_ARGS="--uinput"
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# Don't start lircmd even if there seems to be a good config file
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# START_LIRCMD=false
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# Don't start irexec, even if a good config file seems to exist.
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# START_IREXEC=false
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# Try to load appropriate kernel modules LOAD_MODULES=true
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# Run "lircd --driver=help" for a list of supported drivers.
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DRIVER="default"
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# usually /dev/lirc0 is the correct setting for systems using udev
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DEVICE="/dev/lirc0"
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MODULES="lirc_rpi"
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# Default configuration files for your hardware if any
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LIRCD_CONF="" LIRCMD_CONF=""
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######################
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```
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- Restart LIRC to pick up these changes:
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```bash
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sudo /etc/init.d/lirc stop
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mode2 -d /dev/lirc0
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```
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- Pressing buttons on an IR remote pointed at the receiver and activity similar to the following should be displayed:
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```bash
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space 16300
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pulse 95
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space 28794
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pulse 80
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space 19395
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pulse 83
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```
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In the next post on this topic I’ll cover recording the IR signal from remotes using the [irrecord command](http://www.lirc.org/html/irrecord.html) and testing functionality from the command line. I’ll also install [Node.js](https://nodejs.org/) and the client library [lirc_node](https://github.com/alexbain/lirc_node) for controlling LIRC from a web site.
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