Prevent screen saver

Configure /etc/kbd/config

Command level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste these commands.

sudo sed -ie "s/BLANK_TIME=30/BLANK_TIME=0/g" /etc/kbd/config &&
sudo sed -ie "s/POWERDOWN_TIME=30/POWERDOWN_TIME=0/g" /etc/kbd/config

• Stop and report to the patron.

Software level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal run sudo nano /etc/kbd/config.
• Search for BLANK_TIME=0.
• Search for POWERDOWN_TIME=0.
• Stop and report to the patron.

Configure LXSession in /etc/xdg/lxsession/LXDE/autostart

Command level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

sudo /bin/sh -c 'printf "\n@xset s noblank\n@xset s off\n@xset -dpms" >> /etc/xdg/lxsession/LXDE/autostart'

• Stop and report to the patron.

Software level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal run sudo nano /etc/xdg/lxsession/LXDE/autostart.
• Add these lines.

@xset s noblank
@xset s off
@xset -dpms

• Stop and report to the patron.

Setup LIRC

Install packages

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

yes | sudo DEBIAN_FRONTEND=noninteractive apt-get -yq install lirc liblircclient-dev

• Stop and report to the patron.

Configure boot setup

Command level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

sudo /bin/sh -c 'printf "\ndtoverlay=lirc-rpi,gpio_in_pin=23,gpio_out_pin=22" >> /boot/config.txt'

• Stop and report to the patron.

Software level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal run sudo nano /boot/config.txt.
• Add this line.

dtoverlay=lirc-rpi,gpio_in_pin=23,gpio_out_pin=22

• Stop and report to the patron.

Configure GPIO for IR transceiver

Command level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

sudo /bin/sh -c 'printf ""\nlirc_dev\nlirc_rpi gpio_in_pin=23 gpio_out_pin=22"" >> /etc/modules'

• Stop and report to the patron.

Software level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal run sudo nano /etc/modules.
• Add these lines.

lirc_dev
lirc_rpi gpio_in_pin=23 gpio_out_pin=22

• Stop and report to the patron.

Create local LIRC run commands

Command level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

sudo /bin/sh -c 'printf "\nbegin\n    button = KEY_1\n    config = KEY_1\n    prog = pysoc\nend\nbegin\n    button = KEY_2\n    config = KEY_2\n    prog = pysoc\nend\nbegin\n    button = KEY_3\n    config = KEY_3\n    prog = pysoc\nend" > /home/pi/.lircrc'

• Stop and report to the patron.

Software level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal run sudo nano /home/pi/.lircrc.
• Add these lines.

begin
    button = KEY_1
    config = KEY_1
    prog = pysoc
end
begin
    button = KEY_2
    config = KEY_2
    prog = pysoc
end
begin
    button = KEY_3
    config = KEY_3
    prog = pysoc
end

• Stop and report to the patron.

Create system - wide LIRC run commands

Command level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

sudo /bin/sh -c 'printf "\nbegin\n    button = KEY_1\n    config = KEY_1\n    prog = pysoc\nend\nbegin\n    button = KEY_2\n    config = KEY_2\n    prog = pysoc\nend\nbegin\n    button = KEY_3\n    config = KEY_3\n    prog = pysoc\nend" > /etc/lirc/lircrc'

• Stop and report to the patron.

Software level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal run sudo nano /etc/lirc/lircrc.
• Add these lines.

begin
    button = KEY_1
    config = KEY_1
    prog = pysoc
end
begin
    button = KEY_2
    config = KEY_2
    prog = pysoc
end
begin
    button = KEY_3
    config = KEY_3
    prog = pysoc
end

• Stop and report to the patron.

Delete hardware configuration

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

sudo rm /etc/lirc/hardware.conf

• CTRL + C.

Create hardware configuration

Command level instruction

• In terminal copy-paste this command.

sudo /bin/sh -c 'printf "\n########################################################\n# /etc/lirc/hardware.conf\n#\n# Arguments which will be used when launching lircd\nLIRCD_ARGS=\"--uinput\"\n\n# Do not start lircmd even if there seems to be a good config file\n# START_LIRCMD=false\n\n# Do not start irexec, even if a good config file seems to exist.\n# START_IREXEC=false\n\n# Try to load appropriate kernel modules\nLOAD_MODULES=true\n\n# Run \"lircd --driver=help\" for a list of supported drivers.\nDRIVER=\"default\"\n# usually /dev/lirc0 is the correct setting for systems using udev\nDEVICE=\"/dev/lirc0\"\nMODULES=\"lirc_rpi\"\n\n# Default configuration files for your hardware if any\nLIRCD_CONF=\"\"\nLIRCMD_CONF=\"\"\n########################################################" > /etc/lirc/hardware.conf'

• Stop and report to the patron.

Software level instruction

• In terminal run sudo nano /etc/lirc/hardware.conf.
• Add these lines.

########################################################
# /etc/lirc/hardware.conf
#
# Arguments which will be used when launching lircd
LIRCD_ARGS=\"--uinput\"
# Do not start lircmd even if there seems to be a good config file
# START_LIRCMD=false
# Do not start irexec, even if a good config file seems to exist.
# START_IREXEC=false
# Try to load appropriate kernel modules
LOAD_MODULES=true
# Run \"lircd --driver=help\" for a list of supported drivers.
DRIVER=\"default\"
# usually /dev/lirc0 is the correct setting for systems using udev
DEVICE=\"/dev/lirc0\"
MODULES=\"lirc_rpi\"
# Default configuration files for your hardware if any
LIRCD_CONF=\"\"
LIRCMD_CONF=\"\"
########################################################

• Stop and report to the patron.

Delete IR dictionary

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

sudo rm /etc/lirc/lircd.conf

• CTRL +C.

Create IR dictionary

Command level instruction

• In terminal copy-paste this command.

sudo /bin/sh -c 'printf "\n# Please make this file available to others\n# by sending it to <[email protected]>\n#\n# this config file was automatically generated\n# using lirc-0.9.0-pre1(default) on Sat Jan  7 22:45:56 2017\n#\n# contributed by \n#\n# brand:                       /home/pi/lircd.conf\n# model no. of remote control: \n# devices being controlled by this remote:\n#\nbegin remote\n  name  pysoc\n  bits           13\n  flags RC5|CONST_LENGTH\n  eps            30\n  aeps          100\n  one           924   840\n  zero          924   840\n  plead         970\n  gap          113287\n  toggle_bit_mask 0x0\n      begin codes\n          KEY_1                    0x1001\n          KEY_2                    0x1002\n          KEY_3                    0x1003\n      end codes\nend remote" > /etc/lirc/lircd.conf'

• Stop and report to the patron.

Software level instruction

• In terminal run sudo nano /etc/lirc/lircd.conf.
• Add these lines.

# Please make this file available to others
# by sending it to <[email protected]>
#
# this config file was automatically generated
# using lirc-0.9.0-pre1(default) on Sat Jan  7 22:45:56 2017
#
# contributed by
#
# brand:                       /home/pi/lircd.conf
# model no. of remote control:
# devices being controlled by this remote:
#
begin remote
  name  pysoc
  bits           13
  flags RC5|CONST_LENGTH
  eps            30
  aeps          100
  one           924   840
  zero          924   840
  plead         970
  gap          113287
  toggle_bit_mask 0x0
      begin codes
          KEY_1                    0x1001
          KEY_2                    0x1002
          KEY_3                    0x1003
      end codes
end remote

• Stop and report to the patron.

Stop LIRC service

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

sudo /etc/init.d/lirc stop

Start LIRC service

• In terminal copy-paste this command.

sudo /etc/init.d/lirc start

• Stop and report to the patron.

Setup PICamera

Configure boot setup

Command level instruction

• In terminal copy-paste these commands.

sudo sed -ie "/start_x=0/d" /boot/config.txt
sudo /bin/sh -c 'printf "\nstart_x=1\ngpu_mem=128" >> /boot/config.txt'

Software level instruction

• In terminal run sudo nano /boot/config.txt.
• Remove this line.

start_x=0

• Add these lines.

start_x=1
gpu_mem=128

• Stop and report to the patron.

Setup PyAudio

Install packages

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

yes | sudo DEBIAN_FRONTEND=noninteractive apt-get -yq install python-dev python-pip python3-dev python3-pip

• Stop and report to the patron.

Download PortAudio Stable version 19 source codes

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

wget http://www.portaudio.com/archives/pa_stable_v19_20140130.tgz -P /home/pi

• CTRL + C.

Extract PortAudio Stable version 19 source codes

• In terminal copy-paste this command.

tar xf /home/pi/pa_stable_v19_20140130.tgz -C /home/pi

• Stop and report to the patron.

Change directory to `/home/pi/portaudio

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

cd /home/pi/portaudio

• Stop and report to the patron.

Configure PortAudio Stable version 19

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

./configure

• Stop and report to the patron.

Compile PortAudio Stable version 19

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

make

• Stop and report to the patron.

Install PortAudio Stable version 19

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

sudo make install

• Stop and report to the patron.

Change directory to /home/pi

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

cd /home/pi

• Stop and report to the patron.

Configure /home/pi/.bashrc for PortAudio Stable version 19

Command level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

sudo /bin/sh -c 'printf "\nLD_LIBRARY_PATH=\"/usr/local/lib\"\nexport LD_LIBRARY_PATH\nLD_RUN_PATH=\"/usr/local/lib\"\nexport LD_RUN_PATH\nPATH=$PATH:/usr/local/lib/\nexport PATH" >> /home/pi/.bashrc'

• Stop and report to the patron.

Software level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal run sudo nano /home/pi/.bashrc.
• Add these lines.

LD_LIBRARY_PATH=\"/usr/local/lib\"
export LD_LIBRARY_PATH
LD_RUN_PATH=\"/usr/local/lib\"
export LD_RUN_PATH
PATH=$PATH:/usr/local/lib/
export PATH

• Stop and report to the patron.

Install PyAudio package from pip

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

sudo pip install pyaudio

Setup USB audio driver

Create Alsa run command for system - wide USB audio driver

Command level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

sudo /bin/sh -c 'printf "\npcm.!default{\n    type hw card 1\n}\nctl.!default{\n    type hw card 1\n}" > /etc/asound.conf'

• Stop and report to the patron.

Software level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal run sudo nano /etc/asound.conf.
• Add these lines.

pcm.!default{
    type hw card 1
}
ctl.!default{
    type hw card 1
}

• Stop and report to the patron.

Create Alsa run command for local USB audio driver

Command level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste this command.

sudo /bin/sh -c 'printf "\npcm.!default{\n    type hw card 1\n}\nctl.!default{\n    type hw card 1\n}" > /home/pi/.asoundrc'

• Stop and report to the patron.

Software level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal run sudo nano /home/pi/.asoundrc.
• Add these lines.

pcm.!default{
    type hw card 1
}
ctl.!default{
    type hw card 1
}

• Stop and report to the patron.

Configure Alsa for USB audio driver

Command level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal copy-paste these commands.

sudo sed -ie "s/defaults.ctl.card 0/defaults.ctl.card 1/g" /usr/share/alsa/alsa.conf &&
sudo sed -ie "s/defaults.pcm.card 0/defaults.pcm.card 1/g" /usr/share/alsa/alsa.conf &&
sudo sed -ie "s/defaults.pcm.device 0/defaults.pcm.device 1/g" /usr/share/alsa/alsa.conf &&
sudo sed -ie "s/defaults.pcm.subdevice 0/defaults.pcm.subdevice -1/g" /usr/share/alsa/alsa.conf &&
sudo sed -ie "s/defaults.pcm.subdevice 1/defaults.pcm.subdevice -1/g" /usr/share/alsa/alsa.conf

• Stop and report to the patron.

Software level instruction

• Look at the instructions.
• Tell the patron if you are ready.
• In terminal run sudo nano /usr/share/alsa/alsa.conf.
• Search for defaults.ctl.card 1.
• Search for defaults.pcm.card 1.
• Search for defaults.pcm.device 1.
• Search for defaults.pcm.subdevice -1.
• Search for defaults.pcm.subdevice -1.
• Stop and report to the patron.