wifi enabler & factory reset

target/linux/ath79/base-files/etc/rc.button/BTN_1

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+. /lib/functions.sh
+
+reset_sdcard() { #Not sure what really do. Check
+	logger Resetting the SD card reader
+	echo "0" > /sys/class/gpio/gpio18/value
+	echo "1" > /sys/class/gpio/gpio18/value
+}
+
+
+
+board=$(board_name)
+
+case "$board" in
+	zsun,sdreader)
+		reset_sdcard
+		;;
+esac

target/linux/ath79/base-files/lib/preinit/50_failsafe_wipe

@@ -0,0 +1,23 @@
+#!/bin/sh
+
+erase_all() {
+	echo "Doing a factory reset."
+	mount_root
+	firstboot -y
+	sleep 10
+	reboot -f
+}
+
+failsafe_wipe() {
+	. /lib/functions.sh
+
+	board=$(board_name)
+
+	case "$board" in
+		zsun,sdreader)
+			erase_all
+			;;
+	esac
+}
+
+boot_hook_add failsafe failsafe_wipe

target/linux/ath79/base-files/lib/preinit/79_enable_wifi

@@ -0,0 +1,51 @@
+#!/bin/sh
+# Some devices can be only accesed by wifi (zsun for example). To avoid enable wifi automatically, we will do it based on a file presence inside external device
+
+
+enable_all_wifi_ifaces() {
+	for entry in $(uci show wireless | grep -E '@wifi-iface\[\d+\]\.device'); do # list all wifi devices
+		dev=$(echo $entry| sed -nre 's/.*\[(\d+)\].*/\1/p'); #get the asociated number
+		uci set wireless.@wifi-iface[$dev].disabled='0'
+	done
+
+	uci commit wireless
+	wifi
+}
+
+generic_wifi_on() {
+
+	mount_tmp=$(mktemp -d)
+
+	for partition in $(cat /proc/partitions | grep -v block | awk '{print $4}' | grep '\d'); do
+		#No beauty way to determine fs type. Let's try and see what will happen
+		mount /dev/$partition $mount_tmp
+		if [ $? -eq 0 ]; then
+			#mounted!
+			if [ -f $mount_tmp/openwrt_wireless ]; then
+				#File available. Let's turn on the wifi
+
+				enable_all_wifi_ifaces
+
+				rm $mount_tmp/openwrt_wireless
+			fi
+			umount /dev/$partition
+		fi
+	done
+
+	rmdir $mount_tmp
+
+}
+
+enable_wifi() {
+	. /lib/functions.sh
+
+	board=$(board_name)
+
+	case "$board" in
+		zsun,sdreader)
+			generic_wifi_on
+			;;
+	esac
+}
+
+boot_hook_add preinit_mount_root enable_wifi

target/linux/ath79/dts/ar9331_zsun_sdreader.dts

@@ -37,9 +37,10 @@
 
 		reset {
 			label = "zsun,sdreader:reset";
-			linux,code = <KEY_RESTART>;
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_1>;
 			gpios = <&gpio 22 GPIO_ACTIVE_LOW>;
-			debounce-interval = <60>; // Check
+			debounce-interval = <60>;
 		};
 	};
 

target/linux/ath79/image/generic.mk

@@ -345,7 +345,7 @@ TARGET_DEVICES += wd_mynet-wifi-rangeextender
 define Device/zsun_sdreader
   ATH_SOC := ar9331
   DEVICE_TITLE := Zsun WiFi SD Card reader
-  DEVICE_PACKAGES := kmod-usb-core kmod-usb2 kmod-usb-storage
+  DEVICE_PACKAGES := kmod-usb-core kmod-usb2 kmod-usb-storage kmod-fs-vfat
   IMAGE_SIZE := 16128k
 endef
 TARGET_DEVICES += zsun_sdreader