update

rtc.sh

@@ -0,0 +1,180 @@
+#!/bin/bash
+set -e
+Version=1.0
+
+echo -e "\e[93mHeadless Node RTC addon v$Version :\e[0m"
+echo -e "wareck@gmail.com"
+echo -e ""
+
+if [ -f /boot/dietpi.txt ];then DietPi_="YES";else DietPi_="NO";fi
+
+if ! [ -f .rtc ]
+then
+echo -e "This script will install RTC addon."
+echo -e "This will be done in three steps:"
+echo -e "1: Enable and install i2c prototcol to dialog with RTC board."
+echo -e "2: Reboot."
+echo -e "3: Install software , init RTC clock and synchronise clock."
+echo -e ""
+echo -e "After reboot, start this script again to do the second step."
+echo -e
+if [ $DietPi_ = "YES" ]
+then
+echo -e "\e[38;5;154mDietpi\e[0m image detected:"
+echo -e "This script will enable /etc/rc.local for AutoStart (disabled by default on Dietpi).\n"
+fi
+read -n 1 -r -s -p "Press any key to continue..."
+
+echo -e "\n\n\e[95mRaspberry update :\e[0m"
+sudo apt-get update
+echo -e "\n\e[95mInstalling libraries :\e[0m"
+sudo apt install python-smbus python3-smbus python-dev python3-dev i2c-tools rpi.gpio -y
+if ! grep "dtparam=i2c1=on" /boot/config.txt
+then
+sudo bash -c 'echo "" >>/boot/config.txt'
+sudo bash -c 'echo "# Enable i2c for RTC" >>/boot/config.txt'
+sudo bash -c 'echo "dtparam=i2c1=on" >>/boot/config.txt'
+fi
+if ! grep "i2c-dev" /etc/modules ; then sudo bash -c 'echo "i2c-dev" >>/etc/modules';fi
+if ! grep "i2c-bcm2708" /etc/modules ; then sudo bash -c 'echo "i2c-bcm2708" >>/etc/modules';fi
+if ! grep "rtc-ds1307" /etc/modules ; then sudo bash -c 'echo "rtc-ds1307" >>/etc/modules';fi
+if ! grep "rtc-pcf8563"  /etc/modules ; then sudo bash -c 'echo "rtc-pcf8563" >>/etc/modules';fi
+if ! grep "dtoverlay=i2c-rtc,pcf8563" /boot/config.txt >/dev/null
+then
+sudo bash -c 'echo "" >>/boot/config.txt'
+sudo bash -c 'echo "# RTC clock pcf8563 based" >>/boot/config.txt'
+sudo bash -c 'echo "dtoverlay=i2c-rtc,pcf8563" >>/boot/config.txt'
+fi
+echo -e "\n\e[31mFirst step of RTC install was done.\e[0m"
+echo -e "\e[31mYou need to reboot and start rtc.sh again!\n\e[0m"
+touch .rtc && exit 0
+fi
+
+function Startup_ {
+echo -e "\n\e[95mAdding RTC to RPI startup:\e[0m"
+if [ $DietPi_ = "YES" ];then Dietpi_startup_;fi
+if ! grep "echo ds1307 0x68 > /sys/class/i2c-adapter/i2c-1/new_device || true" /etc/rc.local >/dev/null 2>&1
+then
+sudo bash -c 'sed -i -e "s/exit 0//g" /etc/rc.local'
+sudo bash -c 'echo "#RTC module init" >>/etc/rc.local'
+sudo bash -c 'echo "echo ds1307 0x68 > /sys/class/i2c-adapter/i2c-1/new_device || true" >> /etc/rc.local'
+sudo bash -c 'echo "sudo hwclock -s" >>/etc/rc.local'
+sudo bash -c 'echo "exit 0" >>/etc/rc.local'
+fi
+echo -e "Done."
+
+echo -e "\n\e[95mDisable fake RTC service:\e[0m"
+sudo apt-get -y remove fake-hwclock
+sudo update-rc.d -f fake-hwclock remove
+sudo systemctl disable fake-hwclock || true
+sudo systemctl disable fake-hwclock.service || true
+echo -e "Done."
+echo -e "\n\e[95mRTC Checks:\e[0m"
+echo -e -n "Internal   time: "
+date
+echo -e -n "RTC module time: "
+sudo bash -c 'hwclock -r'
+echo -e ""
+echo -e "\e[97mRTC Installation was finish !\e[0m\n"
+}
+
+function install_step2 {
+sudo modprobe i2c-dev
+echo -e "\n\e[95mCreate device:\e[0m"
+sudo bash -c 'echo ds1307 0x68 > /sys/class/i2c-adapter/i2c-1/new_device > /dev/null 2>&1' || true
+echo "Done."
+echo -e "\n\e[95mRTC clock reset:\e[0m"
+sudo bash -c 'hwclock -r'
+echo -e "\n\e[95mRTC clock setup :\e[0m"
+sudo bash -c 'hwclock -w'
+echo "Done."
+Startup_
+}
+
+
+function Dietpi_startup_ {
+if ! [ -f /etc/rc.local ]
+then
+cat <<'EOF'>>/tmp/rc.local
+#!/bin/bash
+exit 0
+EOF
+sudo cp /tmp/rc.local /etc/
+sudo chmod +x /etc/rc.local
+fi
+
+sudo systemctl disable rc-local
+sudo systemctl disable rc.local
+
+cat <<'EOF'>> /tmp/rc-local.service
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+
+# This unit gets pulled automatically into multi-user.target by
+# systemd-rc-local-generator if /etc/rc.local is executable.
+[Unit]
+Description=/etc/rc.local Compatibility
+ConditionFileIsExecutable=/etc/rc.local
+After=network.target
+
+[Service]
+Type=forking
+ExecStart=/etc/rc.local start
+TimeoutSec=0
+RemainAfterExit=yes
+GuessMainPID=no
+EOF
+
+sudo cp /tmp/rc-local.service /lib/systemd/system/rc-local.service
+sudo systemctl daemon-reload
+}
+
+function rtc_check {
+echo -e "\e[95m...Install step 2...\e[0m\n"
+echo -e "\e[95mRTC check :\e[0m"
+sudo su -c 'echo ds1307 0x68 > /sys/class/i2c-adapter/i2c-1/new_device' > /dev/null 2>&1 | true
+sudo i2cdetect -y 1
+echo -e "\e[31mDS1307 RTC module:  You must see \"UU\" on address 68.\e[0m"
+echo -e "\e[31mPCf8563 RTC module: You must see \"UU\" on address 51.\e[0m"
+echo -e "\e[31mIf not, double check your wiring and try again.\e[0m"
+echo -e "\e[31mIf still not, choose \"Quit\" and follow instructions.\e[0m\n"
+
+PS3='
+Please enter your choice: '
+options=("Check again" "Continue" "Quit")
+select opt in "${options[@]}"
+do
+    case $opt in
+        "Check again")
+	    rtc_check
+	    break
+            ;;
+        "Continue")
+            break
+	    ;;
+        "Quit")
+            echo -e "\n\e[93mIf you don't have \"UU\" on address 68\e[0m:"
+	    echo -e "\n\e[93mFirst double check your wiring.\e[0m\n"
+	    echo -e "\e[93mthen type :\e[0m"
+            echo -e "\e[93msudo su\e[0m"
+	    echo -e "\e[93mecho ds1307 0x68 > /sys/class/i2c-adapter/i2c-1/new_device\e[0m"
+	    echo -e "\e[93mexit\e[0m"
+	    echo -e ""
+	    echo -e "\e[93mthen \e[0m"
+	    echo -e "\e[93m./rtc.sh\n\e[0m"
+	    exit 0 && break
+            ;;
+        *) echo invalid option;;
+    esac
+done
+}
+
+if [ -f .rtc ]
+then
+rtc_check
+install_step2
+fi