Files
mestre/br2_external/board/x6200/rootfs-overlay/etc/init.d/S46wifi
Joakim 2526d5b087 feat: M3 complete — WiFi, BT keyboard and mouse
Bluetooth (RTL8723D USB combo chip):
- GPIO pin 357 (active low) enables WiFi/BT hardware via x6200_gpio_set()
- bluez5_utils 5.64 (downgraded from 5.79 — HID input plugin broken in 5.79)
- rtl8723d_config.bin added to overlay (missing from linux-firmware package)
- S45wifi-bt: GPIO enable + modprobe btusb/uhid/hidp at boot
- S85bt-keyboard: auto-connect loop with scan+connect every 20s

WiFi (RTL8723DU):
- out-of-tree lwfinger/rtw88 driver (RTW88_8723DU not in kernel 6.1 mainline)
- linux-firmware RTL_RTW88 for rtw88/rtw8723d_fw.bin
- regulatory.db for cfg80211
- wpa_supplicant with multi-network config in /etc/wpa_supplicant.conf
- S46wifi: wpa_supplicant + udhcpc at boot

Key findings:
- RTL8723D USB WiFi (0bda:d723) requires out-of-tree rtw88 on kernel 6.1
- BT and WiFi share same USB device, both need GPIO 357 = 0 to power on
- bluez5 5.79 HID input plugin not linked into bluetoothd (build system bug)
2026-05-09 21:02:53 +02:00

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Executable File

#!/bin/sh
# S46wifi — ansluter till WiFi via wpa_supplicant
#
# Körs efter S45wifi-bt (GPIO aktivering av chipet).
# Använder /etc/wpa_supplicant.conf för nätverkslista.
IFACE="wlan0"
PIDFILE="/var/run/wpa_supplicant.pid"
LOG="/var/log/wifi.log"
case "$1" in
start)
echo "Starting WiFi"
ip link set "$IFACE" up
sleep 2
wpa_supplicant -B \
-i "$IFACE" \
-c /etc/wpa_supplicant.conf \
-P "$PIDFILE" \
>> "$LOG" 2>&1
# Hämta IP via DHCP
sleep 3
dhclient "$IFACE" >> "$LOG" 2>&1 || \
udhcpc -i "$IFACE" -b -p /var/run/udhcpc.pid >> "$LOG" 2>&1
echo "OK"
;;
stop)
echo "Stopping WiFi"
[ -f "$PIDFILE" ] && kill $(cat "$PIDFILE") 2>/dev/null
rm -f "$PIDFILE"
ip link set "$IFACE" down
echo "OK"
;;
restart)
$0 stop; sleep 1; $0 start
;;
*)
echo "Usage: $0 {start|stop|restart}" >&2
exit 1
;;
esac