35 lines
793 B
Bash
Executable File
35 lines
793 B
Bash
Executable File
#!/bin/bash
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set -x
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echo "Setting up the real time clock module, part 1"
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# Enable i2c
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sudo raspi-config nonint do_i2c 0
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# Enable i2c rtc on the default i2c pins
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config="dtoverlay=i2c-rtc,ds3231"
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if ! grep -q "$config" /boot/config.txt; then
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echo "$config" | sudo tee -a /boot/config.txt
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fi
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# Disable fake-hwclock
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sudo apt-get remove -y fake-hwclock
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sudo update-rc.d -f fake-hwclock remove
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sudo systemctl disable fake-hwclock
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# Load needed modules at boot
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config="i2c-bcm2708
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i2c-dev
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rtc-ds1307"
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if ! grep -q "$config" /etc/modules; then
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echo "$config" | sudo tee -a /etc/modules
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fi
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# Remove some lines from /lib/udev/hwclock-set
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sudo sed -i '/^if \[ \-e \/run\/systemd\/system \] ; then$/,/^fi$/d' /lib/udev/hwclock-set
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echo "Setup RTC part 1 done, reboot and run setup-rtc-2.sh"
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