mirror of
https://github.com/km4ack/pi-scripts
synced 2026-08-13 17:52:05 -04:00
66 lines
No EOL
1.7 KiB
Text
66 lines
No EOL
1.7 KiB
Text
#!/bin bash
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#install/configure real time clock
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#20190203 km4ack
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#script based on directions from the following web site
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#https://thepihut.com/blogs/raspberry-pi-tutorials/17209332-adding-a-real-time-clock-to-your-raspberry-pi
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clear;echo;echo
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IC2ACTIVE=$(ls /dev/*i2c*)
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if [ $IC2ACTIVE = "/dev/i2c-1" ]
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then
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echo "IC2 is active"
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else
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clear;echo;echo
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#echo "Please enable IC2 interface in the "
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#echo "Raspberry Pi Configuration and try again"
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sudo sed -i 's/#dtparam=i2c_arm=on/dtparam=i2c_arm=on/' /boot/config.txt
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fi
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exit 0
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clear;echo;echo
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date
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echo
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read -p "Is the time above correct? y/n " ANS
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if [ $ANS = 'y' ] || [ $ANS = 'Y' ]; then
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echo "Time OK"
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else
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echo; echo "Please connect to the internet"
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echo "or GPS to get correct time"; echo
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exit 0
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fi
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sudo i2cdetect -y 1
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echo;echo
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read -p "Do you see 68 in the info listed above? y/n " ANS1
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echo
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if [ $ANS1 = 'y' ] || [ $ANS1 = 'Y' ]; then
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sudo modprobe rtc-ds1307
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echo "ds1307 0x68" | sudo tee -a /sys/class/i2c-adapter/i2c-1/new_device
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sudo hwclock -w
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echo rtc-ds1307 | sudo tee -a /etc/modules
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sudo sed -i 's/exit\ 0//' /etc/rc.local
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echo "echo ds1307 0x68 > /sys/class/i2c-adapter/i2c-1/new_device" | sudo tee -a /etc/rc.local > /dev/null 2>&1
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echo "sudo hwclock -s" | sudo tee -a /etc/rc.local > /dev/null 2>&1
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echo "date" | sudo tee -a /etc/rc.local > /dev/null 2>&1
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echo "exit 0" | sudo tee -a /etc/rc.local > /dev/null 2>&1
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echo
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echo "The real time clock has been installed & configured"
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echo "It is advised you check to make sure everything"
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echo "is working correctly. See the video for instructions"
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echo "Enjoy! 73, de KM4ACK"
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else
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echo "Please check that the real time"
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echo "clock is installed correctly"
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echo "and try again"
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fi
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