updates

scripts/navka-core.sh

@@ -10,7 +10,7 @@ CFG=/boot/config.txt
 grep -q 'dtoverlay=dwc2,dr_mode=peripheral' "$CFG" || echo 'dtoverlay=dwc2,dr_mode=peripheral' >> "$CFG"
 
 # 2) Load kernel modules (idempotent)
-modprobe dwc2 || { echo "dwc2 missing; abort" >&2; exit 1; }
+modprobe dwc2 || { echo "dwc2 not in kernel; abort" >&2; exit 1; }
 modprobe libcomposite || { echo "libcomposite not in kernel; abort" >&2; exit 1; }
 
 # 3) Mount configfs once
@@ -19,9 +19,12 @@ G=/sys/kernel/config/usb_gadget/navka
 
 # 4) Tear down any previous half-built gadget
 if [[ -d $G ]]; then
-  echo "" > "$G/UDC" || true
-  find  "$G/configs" -type l -delete || true
-  rm -rf "$G/functions/"*; rmdir "$G" || true
+  echo "" >"$G/UDC" 2>/dev/null || true
+  find "$G/configs" -type l -delete 2>/dev/null || true
+  for fn in "$G"/functions/*; do
+    [[ -d $fn ]] && rmdir "$fn" || true
+  done
+  rmdir "$G" 2>/dev/null || true
 fi
 
 # 5) Create gadget (boot-keyboard + UAC2 mic/spkr, 500 mA max)
@@ -46,18 +49,20 @@ echo -ne '\x05\x01\x09\x06\xa1\x01\x05\x07\x19\xe0\x29\xe7\x15\x00\x25'\
 '\x08\x15\x00\x25\x65\x05\x07\x19\x00\x29\x65\x81\x00\xc0' \
  >"$G/functions/hid.usb0/report_desc"
 
-# -- Simple Audio
-mkdir -p $G/functions/uac2.usb0
-echo 48000 > $G/functions/uac2.usb0/c_srate
-echo 2     > $G/functions/uac2.usb0/c_ssize
-echo 2     > $G/functions/uac2.usb0/p_chmask
+# # -- UAC2 Audio
+# mkdir -p $G/functions/uac2.usb0
+# echo 48000 > $G/functions/uac2.usb0/c_srate
+# echo 2     > $G/functions/uac2.usb0/c_ssize
+# echo 2     > $G/functions/uac2.usb0/p_chmask
 
-# -- Config and Binds
+# -- Config
 mkdir -p $G/configs/c.1/strings/0x409
 echo "Config 1" > $G/configs/c.1/strings/0x409/configuration
 echo 500        > $G/configs/c.1/MaxPower
+
+# -- Bindings
 ln -s $G/functions/hid.usb0  $G/configs/c.1/
-ln -s $G/functions/uac2.usb0 $G/configs/c.1/
+# ln -s $G/functions/uac2.usb0 $G/configs/c.1/
 
 # 6) Finally bind to first available UDC
 echo $(ls /sys/class/udc | head -n1) > $G/UDC