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fix: load i2c-dev modules #217

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Apr 12, 2023
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fix: load i2c-dev modules #217

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19 changes: 16 additions & 3 deletions src/modules/piconfig/start_chroot_script
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ cp "${PICONFIG_CONFIG_TXT_FILE}" /tmp
mv "${PICONFIG_CONFIG_TXT_FILE}" "${PICONFIG_CONFIG_BAK_FILE}"

# Step 4: Concatenate files to config
cat /tmp/config.txt /tmp/msos_config.txt > /tmp/config.new
cat /tmp/config.txt /tmp/msos_config.txt >/tmp/config.new

# Step 5: Copy new config to "/boot/config.txt"
cp /tmp/config.new "${PICONFIG_CONFIG_TXT_FILE}"
Expand All @@ -47,13 +47,26 @@ cp "${PICONFIG_CMDLINE_TXT_FILE}" "${PICONFIG_CMDLINE_BAK_FILE}"
echo_green "Disable Serial Linux console ..."
sed -i 's/console=serial0,115200 //' "${PICONFIG_CMDLINE_TXT_FILE}"

# Step 9: Disable bluetooth and related services
# Step 9: Enable i2c modules
# Also needs corresponding bits in config.txt (see #196)
echo_green "Enabling i2c-dev"
# Enable i2c_bcm2708 is disabled
[[ -f /etc/modprobe.d/raspi-blacklist.conf ]] && sed /etc/modprobe.d/raspi-blacklist.conf -i -e "s/^\(blacklist[[:space:]]*i2c[-_]bcm2708\)/#\1/"
[[ -f /etc/modules ]] || touch /etc/modules
sed /etc/modules -i -e "s/^#[[:space:]]*\(i2c[-_]dev\)/\1/" # Uncomment i2c_dev
if ! grep -q "^i2c[-_]dev" /etc/modules; then # Add if doesn't exist
printf "i2c-dev\n" >>/etc/modules
fi
# install common i2c helpers
check_install_pkgs i2c-tools

# Step 10: Disable bluetooth and related services
echo_green "Disabling Bluetooth related services..."
systemctl_if_exists disable hciuart.service
systemctl_if_exists disable bluetooth.service
systemctl_if_exists disable bluealsa.service

# Step 10: Increase swapfile size
# Step 11: Increase swapfile size
if [[ -f "${PICONFIG_SWAP_CONF_FILE}" ]]; then
echo_green "Increasing swap file size to ${PICONFIG_SWAP_SIZE} Mb. Limit to ${PICONFIG_SWAP_MAX} Mb"
sed -i 's/^CONF_SWAPSIZE.*/'CONF_SWAPSIZE="${PICONFIG_SWAP_SIZE}"'/' "${PICONFIG_SWAP_CONF_FILE}"
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