before editing 900i and 1000i to work on 120hz capped sony crt

2026-09-07 20:02:27 -04:00
parent 65797379cc
commit cb576da8b5
18 changed files with 1114 additions and 1 deletions
@@ -0,0 +1,79 @@
+#!/bin/sh
+
+# Local-only hotspot using Android's built-in SoftAP (wlan1)
+# SSID & password are set in Android Settings → Hotspot
+# This script only takes control of the interface afterwards
+
+IFACE="wlan1"
+AP_IP="192.168.43.1"
+NET="192.168.43.0/24"
+DHCP_RANGE="192.168.43.10,192.168.43.50,12h"
+
+[ "$(id -u)" -ne 0 ] && { echo "Need root"; exit 1; }
+
+echo "[*] Waiting for Android hotspot interface ($IFACE)..."
+# Give you time to turn the hotspot on
+for i in $(seq 1 15); do
+    if ip link show "$IFACE" >/dev/null 2>&1; then
+        echo "    Found $IFACE"
+        break
+    fi
+    sleep 1
+done
+
+if ! ip link show "$IFACE" >/dev/null 2>&1; then
+    echo "Interface $IFACE not found."
+    echo "Turn on the normal Android Wi-Fi Hotspot first, then run this script again."
+    exit 1
+fi
+
+echo "[*] Taking control of $IFACE..."
+
+# Kill any existing DHCP / hostapd from Android or previous runs
+killall dnsmasq hostapd 2>/dev/null
+sleep 1
+
+# Disable reverse path filter
+echo 0 > /proc/sys/net/ipv4/conf/all/rp_filter
+echo 0 > /proc/sys/net/ipv4/conf/"$IFACE"/rp_filter 2>/dev/null
+
+# Flush old addresses and routes
+ip addr flush dev "$IFACE" 2>/dev/null
+ip route flush dev "$IFACE" 2>/dev/null
+
+# Assign our fixed gateway IP
+ip addr add "$AP_IP/24" broadcast 192.168.43.255 dev "$IFACE"
+ip link set "$IFACE" up
+ip route add "$NET" dev "$IFACE" src "$AP_IP" 2>/dev/null
+
+# Allow traffic
+iptables -I INPUT  -i "$IFACE" -j ACCEPT
+iptables -I OUTPUT -o "$IFACE" -j ACCEPT
+iptables -I FORWARD -i "$IFACE" -j ACCEPT
+iptables -I FORWARD -o "$IFACE" -j ACCEPT
+
+# Start our own DHCP (local only – no internet)
+echo "[*] Starting local DHCP server..."
+dnsmasq \
+    --interface="$IFACE" \
+    --bind-interfaces \
+    --dhcp-range="$DHCP_RANGE" \
+    --dhcp-option=3,"$AP_IP" \
+    --dhcp-option=6,"$AP_IP" \
+    --port=0 \
+    --no-resolv \
+    --pid-file=/tmp/dnsmasq-"$IFACE".pid \
+    --log-dhcp &
+
+sleep 2
+
+echo
+echo "=== Local-only Hotspot ready ==="
+echo "Interface : $IFACE"
+echo "Gateway   : $AP_IP"
+echo "DHCP      : 192.168.43.10 – 192.168.43.50"
+echo
+echo "SSID and password are whatever you set in Android Hotspot settings."
+echo "Connect your PC and try: ping 192.168.43.1"
+echo
+ip -4 addr show "$IFACE"