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Keyes IR remote script, GoPiGo and scratch example added
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‎Software/Python/ir_remote_control/README.md‎

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##IR remote control
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### Thisfolder contains the files to control the GoPiGo with and IR remote similar to the one used with TV and AC's
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### This folder contains the files to setup and control the GoPiGo with and Keyes IR remote
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**_Files:_**
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- **gopigo_ir_control_test.py** : Used to test and record the button presse on the remote
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- **ir_recv_example.py** : Used to test button press on the IR remote
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- **gopigo_ir_control_bot.py** : Program to control the GoPiGo using the IR Remote
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- **setup.py** : Installation file for the GoPiGo (use only if you are not using Dexter Industries SD Card)
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- **/script/ir_install.sh** : Installation file for IR remote control
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**Connection:_**
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Connect the IR receiver to the Serial port on the GoPiGo. This will act as a pass through to the IR signals to the Serial pins.
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IR receiver Hardware v1.0 and back have the IR receiver connected to white wire and v1.1 and v1.2 have it connected to the Yellow wire, so the GPIO changes
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**Installation:_**
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- Make the ir_install.sh executable: sudo chmod +x ir_install.sh
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- Run the install script: sudo ./ir_install.sh
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**Usage:_**
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First run the **gopigo_ir_control_test.py** and find out the IR codes for the button press on the remote.
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Run the **ir_recv_example.py** to check if the remote is working properly
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Once you have found the unique code in each of the button press, program them in the **gopigo_ir_control_bot.py** to control the GoPiGo when you press the buttons on the remote
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Then run **gopigo_ir_control_bot.py** to control the GoPiGo when you press the buttons on the remote

‎Software/Python/ir_remote_control/gopigo_ir_control_bot.py‎

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##################################################
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# GoPiGo IR remote control
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#
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# This example is for controlling the GoPiGo with an IR remote similar to the one with AC and TV's
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# This example is for controlling the GoPiGo with an Keyes IR remote
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#
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# History
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# ------------------------------------------------
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# Author Date Comments
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# Karan 1 June 15 Initial Authoring
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#
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# Karan 01 June 15 Initial Authoring
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# Karan 21 Aug 15 Updated to use LIRC
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# These files have been made available online through a Creative Commons Attribution-ShareAlike 3.0 license.
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# (http://creativecommons.org/licenses/by-sa/3.0/)
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##################################################
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# Identify the unique strings from the IR_remote test program and use them to control the GoPiGo
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# Sample inputs from the remote
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# [70, 34, 9, 25, 6, 64, 4, 1, 0, 43, 42, 0, 0, 0, 0, 0, 0, 0, 0, 255]
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# [70, 34, 9, 25, 6, 64, 4, 1, 0, 210, 211, 0, 0, 0, 0, 0, 0, 0, 0, 255]
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# [70, 34, 9, 25, 6, 64, 4, 1, 0, 82, 83, 0, 0, 0, 0, 0, 0, 0, 0, 255]
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# [69, 35, 8, 25, 6, 64, 4, 1, 0, 242, 243, 0, 0, 0, 0, 0, 0, 0, 0, 255]
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# [70, 34, 9, 25, 6, 64, 4, 1, 0, 82, 83, 0, 0, 0, 0, 0, 0, 0, 0, 255]
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# Connect the IR receiver to the Serial port on the GoPiGo
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# Run the install script before you start
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import gopigo
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import time
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import lirc
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# Assign pin 15 or A1 port to the IR sensor
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gopigo.ir_recv_pin(15)
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print "Press any button on the remote to control the GoPiGo"
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sockid = lirc.init("keyes", blocking = False)
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print "Press any button on the remote to control the GoPiGo"
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while True:
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ir_data_back=gopigo.ir_read_signal()
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if ir_data_back[0]==-1: #IO Error
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pass
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elif ir_data_back[0]==0: #Old signal
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pass
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else:
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sig=ir_data_back[1:] #Current signal from IR remote
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if sig[9]==82 and sig[10]==83: #Assign the button with 82 and 83 in position 9 and 10 in the signal to forward command
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sig= lirc.nextcode() # press 1
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if len(sig) !=0:
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print sig[0]
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if sig[0]=="KEY_UP": #Assign the button with 82 and 83 in position 9 and 10 in the signal to forward command
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print "fwd"
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gopigo.fwd()
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elif sig[9]==114 and sig[10]==115:
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elif sig[0]=="KEY_LEFT":
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print "left"
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gopigo.left()
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elif sig[9]==242 and sig[10]==243:
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elif sig[0]=="KEY_RIGHT":
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print "right"
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gopigo.right()
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elif sig[9]==210 and sig[10]==211:
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elif sig[0]=="KEY_DOWN":
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print "back"
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gopigo.bwd()
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elif sig[9]==43 and sig[10]==42:
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elif sig[0]=="KEY_OK":
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print "Stop"
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gopigo.stop()
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time.sleep(.1)

‎Software/Python/ir_remote_control/gopigo_ir_control_test.py‎

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‎Software/Python/ir_remote_control/ir_recv_example.py‎

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#!/usr/bin/env python
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##################################################
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# IR remote control example
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#
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# This example is for controlling the GoPiGo with an Keyes IR remote
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#
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# History
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# ------------------------------------------------
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# Author Date Comments
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# Karan 21 Aug 15 Initial Authoring
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# These files have been made available online through a Creative Commons Attribution-ShareAlike 3.0 license.
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# (http://creativecommons.org/licenses/by-sa/3.0/)
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##################################################
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import lirc
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#initialize the IR daemon
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sockid = lirc.init("keyes", blocking = False)
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while True:
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#Wait for the next IR code to arrive. The codes are queued in a buffer before printing
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a= lirc.nextcode()
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if len(a) !=0:
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print a[0]

‎Software/Python/ir_remote_control/script/hardware_copy.conf‎

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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
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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=""
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LIRCMD_CONF=""
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########################################################

‎Software/Python/ir_remote_control/script/ir_install.sh‎

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#!/usr/bin/env bash
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echo " _____ _ ";
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echo " | __ \ | | ";
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echo " | | | | _____ _| |_ ___ _ __ ";
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echo " | | | |/ _ \ \/ / __/ _ \ '__| ";
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echo " | |__| | __/> <| || __/ | ";
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echo " |_____/ \___/_/\_\\__\___|_| _ _ ";
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echo " |_ _| | | | | (_) ";
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echo " | | _ __ __| |_ _ ___| |_ _ __ _ ___ ___ ";
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echo " | | | '_ \ / _\` | | | / __| __| '__| |/ _ \/ __|";
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echo " _| |_| | | | (_| | |_| \__ \ |_| | | | __/\__ \ ";
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echo " |_____|_| |_|\__,_|\__,_|___/\__|_| |_|\___||___/ ";
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echo " ";
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echo " ";
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echo " "
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printf "WELCOME TO IR RECEIVER SETUP FOR THE GOPIGO.\nPlease ensure internet connectivity before running this script.\nNOTE: Reboot Raspberry Pi after completion.\nPress ENTER to begin..."
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read
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echo " "
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echo "Check for internet connectivity..."
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echo "=================================="
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wget -q --tries=2 --timeout=20 http://google.com
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if [ $? -eq 0 ];then
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echo "Connected"
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else
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echo "Unable to Connect, try again !!!"
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exit 0
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fi
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echo " "
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echo "Installing Dependencies"
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echo "======================="
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sudo apt-get update
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sudo apt-get install lirc python-lirc
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echo " "
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echo "Copying Config Files"
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echo "===================="
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sudo cp hardware_copy.conf /etc/lirc/hardware.conf
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sudo cp lircd_keyes.conf /etc/lirc/lircd.conf
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sudo cp lircrc_keyes /etc/lirc/lircrc
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echo "Files copied"
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echo " "
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echo "Enabling LIRC"
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echo "======================="
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if grep -q "lirc_dev" /etc/modules; then
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echo "Lib dev already present"
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else
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sudo echo "lirc_dev" >> /etc/modules
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echo "Lib dev added"
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fi
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while true ; do
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echo ""
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echo "Check the hardware version of the IR receiver printed on the IR receiver module"
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echo "->Press 1 if the version is 1.0 or below"
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echo "->Press 2 if the version is 1.1 or above"
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printf "\nInput: "
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read INPUT
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# v1.0 and back have the IR receiver connected to white wire and v1.1 and v1.2 have it connected to the Yellow wire, so the GPIO changes
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if [ $INPUT -eq 1 ] ; then
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if grep -q "lirc_rpi gpio_in_pin=15" /etc/modules; then
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echo "Lib Rpi GPIO already present"
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elif grep -q "lirc_rpi gpio_in_pin=14" /etc/modules; then
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sed -e s/"lirc_rpi gpio_in_pin=14"//g -i /etc/modules
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sudo echo "lirc_rpi gpio_in_pin=15" >> /etc/modules
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echo "Lib Rpi GPIO changed from pin 14 to 15"
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else
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sudo echo "lirc_rpi gpio_in_pin=15" >> /etc/modules
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echo "Lib Rpi GPIO added"
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fi
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if grep -q "dtoverlay=lirc-rpi,gpio_in_pin=15" /boot/config.txt; then
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echo "LIRC for Kernel 3.18 already present"
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elif grep -q "dtoverlay=lirc-rpi,gpio_in_pin=14" /boot/config.txt; then
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sed -e s/"dtoverlay=lirc-rpi,gpio_in_pin=14"//g -i /boot/config.txt
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sudo echo "dtoverlay=lirc-rpi,gpio_in_pin=15" >> /boot/config.txt
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echo "LIRC for Kernel 3.18 changed from pin 14 to 15"
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else
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sudo echo "dtoverlay=lirc-rpi,gpio_in_pin=15" >> /boot/config.txt
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echo "LIRC for Kernel 3.18 added"
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fi
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break
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elif [ $INPUT -eq 2 ] ; then
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if grep -q "lirc_rpi gpio_in_pin=14" /etc/modules; then
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echo "Lib Rpi GPIO already present"
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elif grep -q "lirc_rpi gpio_in_pin=15" /etc/modules; then
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sed -e s/"lirc_rpi gpio_in_pin=15"//g -i /etc/modules
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sudo echo "lirc_rpi gpio_in_pin=14" >> /etc/modules
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echo "Lib Rpi GPIO changed from pin 15 to 14"
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else
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sudo echo "lirc_rpi gpio_in_pin=14" >> /etc/modules
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echo "Lib Rpi GPIO added"
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fi
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if grep -q "dtoverlay=lirc-rpi,gpio_in_pin=14" /boot/config.txt; then
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echo "LIRC for Kernel 3.18 already present"
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elif grep -q "dtoverlay=lirc-rpi,gpio_in_pin=15" /boot/config.txt; then
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sed -e s/"dtoverlay=lirc-rpi,gpio_in_pin=15"//g -i /boot/config.txt
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sudo echo "dtoverlay=lirc-rpi,gpio_in_pin=14" >> /boot/config.txt
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echo "LIRC for Kernel 3.18 changed from pin 15 to 14"
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else
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sudo echo "dtoverlay=lirc-rpi,gpio_in_pin=14" >> /boot/config.txt
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echo "LIRC for Kernel 3.18 added"
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fi
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break
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else
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echo "Invalid choice"
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fi
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done
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echo " "
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echo "Please restart the Raspberry Pi for the changes to take effect"
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echo " _____ ______ _____ _______ _____ _______ "
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echo " | __ \| ____|/ ____|__ __|/\ | __ \__ __|"
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echo " | |__) | |__ | (___ | | / \ | |__) | | | "
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echo " | _ /| __| \___ \ | | / /\ \ | _ / | | "
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echo " | | \ \| |____ ____) | | |/ ____ \| | \ \ | | "
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echo " |_| \_\______|_____/ |_/_/ \_\_| \_\ |_| "
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echo " "
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echo "To Restart type 'sudo reboot'"

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