remote-station: Setup wifi only if device found

scripts/remote-station/files/emc-test-remote-santoka-setup.sh

@@ -66,12 +66,16 @@ chmod +x $SERVICES_DIR/rs485echo.sh
 #=======================
 # RS232 #1
 #=======================
+# For now, leave echo on ttymxc0 unused.
+# Not needed on pbb, but I don't know, if it is used anywhere
+if false;then 
 cat << EOF -> $SERVICES_DIR/rs232#1echo.sh
 #!/bin/sh
 
 /opt/ltp/testcases/bin/rs485echo -n -e -d /dev/ttymxc0 -s 115200 -x 100 -b 32
 EOF
 chmod +x $SERVICES_DIR/rs232#1echo.sh
+fi
 
 #=======================
 # RS232 #2
@@ -96,19 +100,28 @@ EOF
 
 chmod +x $SERVICES_DIR/bluetoothecho.sh
 #=======================
-# Network setup
+# wifi hotspot setup
 #=======================
 SSID="test"
 WIFIPASS="secret_passphrase"
 
-nmcli connection down wlan0-sconfig-autogenerated
-nmcli con add type wifi ifname wlan0 con-name Hotspot autoconnect no ssid "$SSID"
-nmcli con modify Hotspot 802-11-wireless.mode ap 802-11-wireless.band bg ipv4.method shared wifi-sec.key-mgmt wpa-psk wifi-sec.psk "$WIFIPASS"
-nmcli con modify Hotspot ipv4.addresses 192.168.3.100/24
-nmcli con up Hotspot
-nmcli connection modify Hotspot connection.autoconnect yes
+# Check if there is a wifi device
+wifi_device="$(find /sys/class/net/ -follow -maxdepth 2 -type d -name wireless 2>/dev/null | head -n 1 )"
+wifi_device="${wifi_device%/*}"
+wifi_device="${wifi_device##*/}"
+if [ -z "$wifi_device" ];then
+    echo "No wifi device found, skipped wifi setup."
+else
+
+    nmcli connection down wlan0-sconfig-autogenerated
+    nmcli con add type wifi ifname "$wifi_device" con-name Hotspot autoconnect no ssid "$SSID"
+    nmcli con modify Hotspot 802-11-wireless.mode ap 802-11-wireless.band bg ipv4.method shared wifi-sec.key-mgmt wpa-psk wifi-sec.psk "$WIFIPASS"
+    nmcli con modify Hotspot ipv4.addresses 192.168.3.100/24
+    nmcli con up Hotspot
+    nmcli connection modify Hotspot connection.autoconnect yes
 
-nmcli connection modify eth0-sconfig-autogenerated connection.autoconnect yes
+    nmcli connection modify eth0-sconfig-autogenerated connection.autoconnect yes
+fi
 
 #=======================
 # Install network echo server