1 files changed, 99 insertions, 0 deletions
diff --git a/snd-alpx-dkms/snd-alpx/tools/audio_card_update_firmware.sh b/snd-alpx-dkms/snd-alpx/tools/audio_card_update_firmware.sh
new file mode 100755
index 0000000..9dfa0c7
--- /dev/null
+++ b/snd-alpx-dkms/snd-alpx/tools/audio_card_update_firmware.sh
@@ -0,0 +1,99 @@
+#!/bin/bash
+
+
+# This script is used to update the firmware of the card FOR Audio card only (Alpxxy) with x and y are numbers.
+# Param 1 : mtd partition number of the "fw-user-updatable", see /proc/mtd file and select
+# the one of the to be updated card.
+#Param 2 : firmware complete filepath
+
+#NOTE : use BASH read, SH read : follow https://stackoverflow.com/questions/226703/how-do-i-prompt-for-yes-no-cancel-input-in-a-linux-shell-script
+
+
+user_manual(){
+ echo "Param 1 : mtd partition number of the \"fw-user-updatable\", see /proc/mtd file and select"
+ echo "Param 2 : firmware complete filepath"
+ echo "Check user can write to the mtd partition's file"
+ return 0
+}
+
+
+## MAIN ##
+# warn about supported card
+#Warn about the card supported model : Alp Audio card.
+read -r -n 1 -p "WARNING: This is only for AUDIO based Alp cards (ie Alp222, Alp882 and Alp442) update ? [y/N]:" user_resp
+
+echo    # (optional) move to a new line
+if [[ ! "$user_resp" =~ ^[Yy]$ ]]
+then
+	# handle exits from shell or function but don't exit interactive shell
+    [[ "$0" = "$BASH_SOURCE" ]] && echo "CANCELED by User" && exit 1 || return 1 
+fi
+
+
+#Check parameters
+[ "$#" -ne "2" ] && user_manual && exit 1
+
+fw_partition_path="$1"
+source_fw_file="$2"
+
+
+
+# /dev/mtd is a character device
+[ ! -c "$fw_partition_path" ] && echo "$fw_partition_path Not a C Device" && exit 2
+#Write access ?
+[ ! -w "$fw_partition_path" ] && echo "Not writeable" && exit 2
+
+# firmware file condition
+[ !  -e "$source_fw_file" ] && user_manual && exit 2
+[  ! -f "$source_fw_file" ] && user_manual && exit 2
+[  ! -s "$source_fw_file" ] && user_manual && exit 2
+[  ! -r "$source_fw_file" ] && user_manual && exit 2
+
+#Check available space !! TODO
+# It  Requires firmware size + 4kB for the extracted HEADER.
+
+#read : BASH extensions used !
+read  -r -n 1 -p Writing\ "$source_fw_file"\ to\ "$fw_partition_path ? [y/N]: " user_resp
+
+echo    # (optional) move to a new line
+if [[ ! "$user_resp" =~ ^[Yy]$ ]]
+then
+	# handle exits from shell or function but don't exit interactive shell
+    [[ "$0" = "$BASH_SOURCE" ]] && echo "CANCELED by User" && exit 1 || return 1 
+fi
+
+dd if="$source_fw_file" of=fw_header.bin bs=4096 count=1 status=none
+if [ "$?" -ne "0" ] ; then
+	echo "Error when preparing the firmware, check disk size please."
+	exit 4;
+fi
+
+dd if="$source_fw_file" of=fw_body.bin bs=4096 skip=1 seek=1 status=none
+if [ "$?" -ne "0" ] ; then
+	echo "Error when preparing the firmware, check disk size please."
+	exit 4;
+fi
+
+
+echo "Updating first phase ..."
+cat fw_body.bin > "$fw_partition_path"
+if [ "$?" -ne "0" ] ; then
+	echo "!! Update failed DON'T poweroff, correct to retry."
+	rm -f fw_body.bin fw_header.bin
+	exit 3;
+fi
+
+echo "Updating second phase ..."
+cat fw_header.bin > "$fw_partition_path"
+
+if [ "$?" -ne "0" ] ; then
+	echo "!! Update failed DON'T poweroff, correct to retry."
+	rm -f fw_body.bin fw_header.bin
+	exit 3;
+fi
+
+echo "Update SUCCEEDED"
+
+rm -f fw_body.bin fw_header.bin
+
+exit 0