README cosmetic changes

diff --git a/README.md b/README.md
index 1ebec8605d87c9ec4a10276d71045b9ba12ea14d..c5c5010e4011b0d7589f52ebae96d411035a5a0c 100644 (file)
--- a/README.md
+++ b/README.md
@@ -12,27 +12,27 @@ The package is fully written in bash.
 
 The yellow LED connected to +3,3v via 470R 
 
 
 The yellow LED connected to +3,3v via 470R 
 

-    GPIO 0     BCM17   LED green, booting  
-    GPIO 2     BCM27   LED red, video status  
+       GPIO 0  BCM17   LED green, booting  
+       GPIO 2  BCM27   LED red, video status  

 
 Lowering resistors are required for all diodes (Red LEDs normally brighter, so I would recommend ~470R for yellow and green and about 1K for red)
 
 ### Infrared interface
 
 
 Lowering resistors are required for all diodes (Red LEDs normally brighter, so I would recommend ~470R for yellow and green and about 1K for red)
 
 ### Infrared interface
 

-    GPIO 3     BCM22   IR TX  
-    GPIO 4     BCM23   IR RX  
+       GPIO 3  BCM22   IR TX  
+       GPIO 4  BCM23   IR RX  

 
 

-        38kHz -- most popular 
+        38kHz -- standard 

 
         +-----------------------+ 3
 
         +-----------------------+ 3

-        |               data -> +---------------------o +3.3V
+        |                       +---------------------o +3.3V

         |      ______________   |
         |     /                 |
         |    (                  | 2  
         |      ______________   |
         |     /                 |
         |    (                  | 2  

-        |     \______________ + +---------------------o GND
+        |     \______________   +---------------------o GND

         |                       |
         |                       | 1
         |                       |
         |                       | 1

-        |                     - +---------------------o GPIO 4 (BCM23)
+        |               data -> +---------------------o GPIO 4 (BCM23)

         +-----------------------+
 
 
         +-----------------------+
 
 


@@ -41,16 +41,16 @@ Lowering resistors are required for all diodes (Red LEDs normally brighter, so I
                          +5V
                           o
                           |
                          +5V
                           o
                           |

-                         | | 51 Ohm (depending on MOSFET maybe not required)
+                         | |  51 Ohm (depending on MOSFET maybe not required)

                          |_|
                           |
                          _|_
                          \ / 
                          |_|
                           |
                          _|_
                          \ / 

-                         ---  --> IR LED
+                         ---  IR LED
+                          |

                           |
                           |

-           MOSFET         |

              ___      |---'
              ___      |---'

-      o-----|___|-----|
+      o-----|___|-----|       MOSFET

              10K      |->--
         GPIO 3 (BCM22)     |
                            |
              10K      |->--
         GPIO 3 (BCM22)     |
                            |


@@ -60,8 +60,8 @@ Lowering resistors are required for all diodes (Red LEDs normally brighter, so I
 
 ### Analog Audio 
 
 
 ### Analog Audio 
 

-    GPIO 1     BCM18   R AUDIO
-    GPIO 23    BCM13   L AUDIO
+       GPIO 1  BCM18   R AUDIO
+       GPIO 23 BCM13   L AUDIO

 
 ![RPi Zero Audio](https://repository.interplaymedium.org/babooshka.tv/pi-zero-audio_bb.jpg)  
 Picture taken [from here](https://shallowsky.com/blog/hardware/pi-zero-audio.html), thanks :)  
 
 ![RPi Zero Audio](https://repository.interplaymedium.org/babooshka.tv/pi-zero-audio_bb.jpg)  
 Picture taken [from here](https://shallowsky.com/blog/hardware/pi-zero-audio.html), thanks :)  


@@ -80,75 +80,75 @@ If you not sure, [ddg it](https://duckduckgo.com/?q=RPi+headless+how+setup+and+s
 
 Further operations are performed on device.
 
 
 Further operations are performed on device.
 

-    ssh <your RPi device>
+       ssh <your RPi device>

 
 Update repository list and install dependencies 
 
 
 Update repository list and install dependencies 
 

-    apt update  
-    apt install mc fbi omxplayer sox
+       apt update  
+       apt install mc fbi omxplayer sox

 
 Try to install freefonts (required by omxplayer)
 
 
 Try to install freefonts (required by omxplayer)
 

-    apt install freefonts
+       apt install freefonts

 
 By some reason recently *freefonts* package has been removed from official RPi repository. So in case of unsuccess just copy included freefonts to /usr/share/fonts/truetype/...  
 do it with *sudo*
 
 
 By some reason recently *freefonts* package has been removed from official RPi repository. So in case of unsuccess just copy included freefonts to /usr/share/fonts/truetype/...  
 do it with *sudo*
 

-    cp -r freefont /usr/share/fonts/truetype/freefont  
-    chown root:root /usr/share/fonts/truetype/freefont  
-    chown root:root /usr/share/fonts/truetype/freefont/*
+       cp -r freefont /usr/share/fonts/truetype/freefont  
+       chown root:root /usr/share/fonts/truetype/freefont  
+       chown root:root /usr/share/fonts/truetype/freefont/*

 
 ### IR interface setup
 
 
 ### IR interface setup
 

-    apt install lirc
+       apt install lirc

 
 edit /etc/lirc/hardware.conf
 
 
 edit /etc/lirc/hardware.conf
 

-    # Run "lircd --driver=help" for a list of supported drivers.  
-    DRIVER="default"
+       # 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/lirc1"  
-    MODULES="gpio_ir_recv"
+       # usually /dev/lirc0 is the correct setting for systems using udev  
+       DEVICE="/dev/lirc1"  
+       MODULES="gpio_ir_recv"

 
 edit /etc/lirc/lirc_options.conf
 NOTE! add new line in the end of the file !!!! [known bug](https://forum.odroid.com/viewtopic.php?t=32181)
 
 
 edit /etc/lirc/lirc_options.conf
 NOTE! add new line in the end of the file !!!! [known bug](https://forum.odroid.com/viewtopic.php?t=32181)
 

-    driver          = default  
-    device          = /dev/lirc1
+       driver            = default  
+       device            = /dev/lirc1

 
 First try to find you device using 
 
 
 First try to find you device using 
 

-    irdb-get find YOUR_DEVICE  
+       irdb-get find YOUR_DEVICE  

 
 In case of unsiccess try to find and copy YOUR_DEVICE.conf for your remote controller to */etc/lirc/lircd.conf.d/* 
 Here is a [list of devices](http://lirc-remotes.sourceforge.net/remotes-table.html) supported by Lirc 'from the box'. However, you always can record your own, see below... 
 
 Copy template lircd.conf
 
 
 In case of unsiccess try to find and copy YOUR_DEVICE.conf for your remote controller to */etc/lirc/lircd.conf.d/* 
 Here is a [list of devices](http://lirc-remotes.sourceforge.net/remotes-table.html) supported by Lirc 'from the box'. However, you always can record your own, see below... 
 
 Copy template lircd.conf
 

-    cp /etc/lirc/lircd.conf.dist /etc/lirc/lircd.conf
+       cp /etc/lirc/lircd.conf.dist /etc/lirc/lircd.conf

 
 Make changes in */boot/config.txt* to set up PAL video output and run appropriate kernel overlays for IR interface:
 
 
 Make changes in */boot/config.txt* to set up PAL video output and run appropriate kernel overlays for IR interface:
 

-    disable_splash=1
-    
-    # disable_overscan=1
+       disable_splash=1
+       
+       # disable_overscan=1

 
 

-    framebuffer_width=720
-    framebuffer_height=576
+       framebuffer_width=720
+       framebuffer_height=576

 
 

-    # enable PWM audio (add this line)
-    dtoverlay=pwm-2chan,pin=18,func=2,pin2=13,func2=4
+       # enable PWM audio (add this line)
+       dtoverlay=pwm-2chan,pin=18,func=2,pin2=13,func2=4

 
 

-    # uncomment for composite PAL
-    sdtv_mode=2
+       # uncomment for composite PAL
+       sdtv_mode=2

 
 

-    # uncomment if hdmi display is not detected and composite is being output
-    # hdmi_force_hotplug=1
+       # uncomment if hdmi display is not detected and composite is being output
+       # hdmi_force_hotplug=1

 
 

-    # Uncomment this to enable the gpio-ir module
-    dtoverlay=gpio-ir,gpio_pin=23,gpio_pull=up
-    dtoverlay=gpio-ir-tx,gpio_pin=22
+       # Uncomment this to enable the gpio-ir module
+       dtoverlay=gpio-ir,gpio_pin=23,gpio_pull=up
+       dtoverlay=gpio-ir-tx,gpio_pin=22

 
 ### Make IR works as TX and RX simultanoiously
 
 
 ### Make IR works as TX and RX simultanoiously
 


@@ -156,107 +156,108 @@ This part taken from [this GitHub comment](https://github.com/raspberrypi/linux/
 
 Add these rules in */etc/udev/rules.d/71-lirc.rules* to get stable */dev/lirc-rx* and */dev/lirc-tx* device names:
 
 
 Add these rules in */etc/udev/rules.d/71-lirc.rules* to get stable */dev/lirc-rx* and */dev/lirc-tx* device names:
 

-    ACTION=="add", SUBSYSTEM=="lirc", DRIVERS=="gpio_ir_recv", SYMLINK+="lirc-rx"
-    ACTION=="add", SUBSYSTEM=="lirc", DRIVERS=="gpio-ir-tx", SYMLINK+="lirc-tx"
-    ACTION=="add", SUBSYSTEM=="lirc", DRIVERS=="pwm-ir-tx", SYMLINK+="lirc-tx"
+       ACTION=="add", SUBSYSTEM=="lirc", DRIVERS=="gpio_ir_recv", SYMLINK+="lirc-rx"
+       ACTION=="add", SUBSYSTEM=="lirc", DRIVERS=="gpio-ir-tx", SYMLINK+="lirc-tx"
+       ACTION=="add", SUBSYSTEM=="lirc", DRIVERS=="pwm-ir-tx", SYMLINK+="lirc-tx"

 
 Change the device and listening address in /etc/lirc/lirc_options.conf:
 
 
 Change the device and listening address in /etc/lirc/lirc_options.conf:
 

-    device          = /dev/lirc-rx
-    listen          = 0.0.0.0:8766
+       device            = /dev/lirc-rx
+       listen            = 0.0.0.0:8766

 
 Copy lirc_options.conf to lirc_tx_options.conf and edit these lines:
 
 
 Copy lirc_options.conf to lirc_tx_options.conf and edit these lines:
 

-    device          = /dev/lirc-tx
-    output          = /var/run/lirc/lircd-tx
-    pidfile         = /var/run/lirc/lircd-tx.pid
-    listen          = 0.0.0.0:8765
-    connect         = 127.0.0.1:8766
+       device            = /dev/lirc-tx
+       output            = /var/run/lirc/lircd-tx
+       pidfile          = /var/run/lirc/lircd-tx.pid
+       listen            = 0.0.0.0:8765
+       connect          = 127.0.0.1:8766

 
 Create */etc/systemd/system/lircd-tx.service* (from the output of *systemctl cat lircd*) and edit it like this:
 
 
 Create */etc/systemd/system/lircd-tx.service* (from the output of *systemctl cat lircd*) and edit it like this:
 

-    [Unit]  
-    Documentation=man:lircd(8)  
-    Documentation=http://lirc.org/html/configure.html  
-    Description=Second lircd, the transmitter  
-    Wants=lircd-setup.service  
-    After=network.target lircd-setup.service lircd.service  
-    
-    [Service]  
-    Type=simple  
-    ExecStart=/usr/sbin/lircd --nodaemon --options-file /etc/lirc/lirc_tx_options.conf  
-    
-    [Install]  
-    WantedBy=multi-user.target  
-    Create /etc/systemd/system/lircd-tx.socket (from the output of systemctl cat lircd.socket) and edit it:  
-    
-    [Socket]  
-    ListenStream=/run/lirc/lircd-tx  
-    
-    [Install]  
-    WantedBy=sockets.target  
-    Also=lircd-tx.service  
+       [Unit]  
+       Documentation=man:lircd(8)  
+       Documentation=http://lirc.org/html/configure.html  
+       Description=Second lircd, the transmitter  
+       Wants=lircd-setup.service  
+       After=network.target lircd-setup.service lircd.service  
+       
+       [Service]  
+       Type=simple  
+       ExecStart=/usr/sbin/lircd --nodaemon --options-file /etc/lirc/lirc_tx_options.conf  
+       
+       [Install]  
+       WantedBy=multi-user.target  
+       Create /etc/systemd/system/lircd-tx.socket (from the output of systemctl cat lircd.socket) and edit it:  
+       
+       [Socket]  
+       ListenStream=/run/lirc/lircd-tx  
+       
+       [Install]  
+       WantedBy=sockets.target  
+       Also=lircd-tx.service  

 
 
 Create /usr/local/bin/irsend and make it executable
 
 
 
 Create /usr/local/bin/irsend and make it executable
 

-    #! /bin/sh  
-    exec /usr/bin/irsend --device=/var/run/lirc/lircd-tx "$@"
+       #! /bin/sh  
+       exec /usr/bin/irsend --device=/var/run/lirc/lircd-tx "$@"

 
 Start lircd-tx (with *sudo*)
 
 
 Start lircd-tx (with *sudo*)
 

-    systemctl daemon-reload
-    systemctl start lircd-tx
-    systemctl enable lircd-tx
+       systemctl daemon-reload
+       systemctl start lircd-tx
+       systemctl enable lircd-tx

 
 Enable RX (with *sudo*)
 
 Enable RX (with *sudo*)

-    systemctl enable lircd.service
-    systemctl enable lircd.socket
+       systemctl enable lircd.service
+       systemctl enable lircd.socket

 
 

-    systemctl restart lircd
+       systemctl restart lircd

 
 NOTE: there maybe the Warning of duplication of "begin remote .. end remote", it is fine. Ignore it. 
 
 Reboot and check status :)
 
 
 NOTE: there maybe the Warning of duplication of "begin remote .. end remote", it is fine. Ignore it. 
 
 Reboot and check status :)
 

-    systemctl reboot
+       systemctl reboot

 
 

-    systemctl status lircd.service
-    systemctl status lircd.socket
+       systemctl status lircd.service
+       systemctl status lircd.socket

 
 ### Test IR 
 
 Send some command. replace vendor and command with your
 
 
 ### Test IR 
 
 Send some command. replace vendor and command with your
 

-    irsend SEND_ONCE SONY-TV KEY_1
+       irsend SEND_ONCE SONY-TV KEY_1

 
 Read RX 
 
 Read RX 

-    irw
+
+       irw

 
 Record your own (if you have no compatible remote control or incomplete config)
 
 
 Record your own (if you have no compatible remote control or incomplete config)
 

-    systemctl stop lircd.socket
-    systemctl stop lircd.service
-    
-    record with own key names
-    irrecord --disable-namespace
+       systemctl stop lircd.socket
+       systemctl stop lircd.service
+       
+       record with own key names
+       irrecord --disable-namespace

 
 

-    systemctl start lircd.socket
-    systemctl start lircd.service
+       systemctl start lircd.socket
+       systemctl start lircd.service

 
 Force raw record mode (normally not required)
 
 Force raw record mode (normally not required)

-    
-    irrecord -f -d /dev/lirc0 ~/lirc.conf
+       
+       irrecord -f -d /dev/lirc0 ~/lirc.conf

 
 ## Main package installation
 
 
 ## Main package installation
 

-    cd /home/pi/
-    git clone <this repo> (see above)
-    cd BABOOSHKA.TV/
+       cd /home/pi/
+       git clone <this repo> (see above)
+       cd BABOOSHKA.TV/

 
 Make sure that all .sh files inside are executable (have x flag)
 
 
 Make sure that all .sh files inside are executable (have x flag)
 

-    ls --all 
+       ls --all 

 
 if required make them *chmod +x *.sh*
 
 
 if required make them *chmod +x *.sh*
 


@@ -264,21 +265,21 @@ if required make them *chmod +x *.sh*
 
 Create */etc/systemd/system/splash.service* file and add there
 
 
 Create */etc/systemd/system/splash.service* file and add there
 

-    [Unit]  
-    DefaultDependencies=no  
-    After=local-fs.target  
-    
-    [Service]  
-    StandardInput=tty  
-    StandardOutput=tty  
-    ExecStart=/home/pi/BABOOSHKA.TV/early_init.sh  
-      
-    [Install]  
-    WantedBy=sysinit.target  
+       [Unit]  
+       DefaultDependencies=no  
+       After=local-fs.target  
+       
+       [Service]  
+       StandardInput=tty  
+       StandardOutput=tty  
+       ExecStart=/home/pi/BABOOSHKA.TV/early_init.sh  
+         
+       [Install]  
+       WantedBy=sysinit.target  

 
 Activate the service 
 
 
 Activate the service 
 

-    sudo systemctl enable splash.service
+       sudo systemctl enable splash.service

 
 ### On boot launcher
 
 
 ### On boot launcher
 


@@ -301,42 +302,42 @@ if everything has been done properly, you will see the splash babooshka.tv logo
 
 Edit */boot/cmdline.txt*. Make sure that you have *console=tty3 quiet consoleblank=0* and *logo.nologo*, this is my cmdline: 
 
 
 Edit */boot/cmdline.txt*. Make sure that you have *console=tty3 quiet consoleblank=0* and *logo.nologo*, this is my cmdline: 
 

-    console=serial0,115200 console=tty3 quiet consoleblank=0 loglevel=1 root=PARTUUID=6c586e13-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait logo.nologo
+       console=serial0,115200 console=tty3 quiet consoleblank=0 loglevel=1 root=PARTUUID=6c586e13-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait logo.nologo

 
 Disable blinking cursor (probably not required)
 
 
 Disable blinking cursor (probably not required)
 

-    vt.global_cursor_default=0
+       vt.global_cursor_default=0

 
 Remove tty login service to eliminate blinking cursor
 
 Remove tty login service to eliminate blinking cursor

-    
-    sudo systemctl disable getty@tty1 
+       
+       sudo systemctl disable getty@tty1 

 
 ## Additional software 
 
 If' you're going to watch videos from YouTube, Vimeo and so on, this packages would be required. Most porbably probably would beed to install youtube-dl globally. So do that with *sudo -H ...*. It would be recommended wor futher compatibility. 
 
 
 ## Additional software 
 
 If' you're going to watch videos from YouTube, Vimeo and so on, this packages would be required. Most porbably probably would beed to install youtube-dl globally. So do that with *sudo -H ...*. It would be recommended wor futher compatibility. 
 

-    apt install mkvtoolnix python-pip
-    pip install -U youtube-dl
+       apt install mkvtoolnix python-pip
+       pip install -U youtube-dl

 
 ## Usage
 
 converting video (note -level 3.0 option! it is required for RPi HW codec)
 
 
 ## Usage
 
 converting video (note -level 3.0 option! it is required for RPi HW codec)
 

-    ffmpeg -i FILEIN -vcodec libx264 -preset slow -level 3.0 -b 700k -s 720x404 FILEOUT
+       ffmpeg -i FILEIN -vcodec libx264 -preset slow -level 3.0 -b 700k -s 720x404 FILEOUT

 
 upload new video from local PC 
 
 
 upload new video from local PC 
 

-    scp <your_super_cool_kitten_flick.mp4>  <babooshka>:BABOOSHKA.TV/VIDEO/
+       scp <your_super_cool_kitten_flick.mp4>  <babooshka>:BABOOSHKA.TV/VIDEO/

 
 download new video from youtube (on device)
 
 
 download new video from youtube (on device)
 

-    youtube-dl -f 'bestvideo[vcodec=avc1][height<=720]+bestaudio/best[abr<=120]' --merge-output-format mp4 -o '%(playlist_index)s - %(title)s.%(ext)s' <youtube link>
+       youtube-dl -f 'bestvideo[vcodec=avc1][height<=720]+bestaudio/best[abr<=120]' --merge-output-format mp4 -o '%(playlist_index)s - %(title)s.%(ext)s' <youtube link>

 
 click PLAY button and enjoy :)
 
 ## Debug
 
 
 click PLAY button and enjoy :)
 
 ## Debug
 

-    tail -F /tmp/babooshka.log
+       tail -F /tmp/babooshka.log

 
 ## Known bugs
 
 
 ## Known bugs
 


@@ -366,7 +367,7 @@ Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this files except in compliance with the License.
 You may obtain a copy of the License at
 
 you may not use this files except in compliance with the License.
 You may obtain a copy of the License at
 

-    http://www.apache.org/licenses/LICENSE-2.0
+       http://www.apache.org/licenses/LICENSE-2.0

 
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,