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Load i2c-dev module on install #205

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Merged
connorgallopo merged 1 commit into from
May 11, 2026
Merged

Load i2c-dev module on install #205

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17 changes: 17 additions & 0 deletions packaging/scripts/configure-cameras.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -269,6 +269,23 @@ dtoverlay=vc_mipi_imx296"

log_success "config.txt configuration complete"

# Ensure i2c-dev kernel module loads on boot so /dev/i2c-* nodes appear.
# raspi-config does this when you enable I2C, but our installer bypasses raspi-config.
# Check both /etc/modules (raspi-config) and /etc/modules-load.d/ (systemd).
local needs_i2c_dev=true
if grep -qs "^i2c[-_]dev" /etc/modules 2>/dev/null; then
needs_i2c_dev=false
log_info "i2c-dev already in /etc/modules (likely via raspi-config)"
elif [[ -d /etc/modules-load.d ]] && grep -rqs "^i2c[-_]dev" /etc/modules-load.d/; then
needs_i2c_dev=false
log_info "i2c-dev already in /etc/modules-load.d/"
fi

if [[ "$needs_i2c_dev" == "true" ]] && [[ -d /etc/modules-load.d ]]; then
log_info "Adding i2c-dev to /etc/modules-load.d/pitrac.conf"
echo "i2c-dev" >> /etc/modules-load.d/pitrac.conf
fi

log_warn "IMPORTANT: System must be rebooted for camera configuration changes to take effect"
}

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