Added compatibility for 306 firmware

offset_diff.py

@@ -0,0 +1,32 @@
+import sys
+
+def comparer(file1, file2):
+    content1 = file1.readlines()
+    content2 = file2.readlines()
+    if len(content1) != len(content2):
+        print("Something went wrong. Length mismatch")
+        exit(1)
+    output = open("offset_differences.csv", "w")
+    # Grabbing the filename. It's weird, but it works
+    output.write("offset, " + str(file1).split("name='")[1].split("'")[0] + ", " +
+        str(file2).split("name='")[1].split("'")[0] + "\n")
+    for counter in range(len(content1)):
+        offset1, hexvalue1 = content1[counter].split(":")[0], content1[counter].split(" ")[1]
+        offset2, hexvalue2 = content2[counter].split(":")[0], content2[counter].split(" ")[1]
+        if offset1 != offset2:
+            print("Offset mismatch. Please run 'xxd -c 1 <file> > <file>.hex on both files again")
+            exit(1)
+        if hexvalue1 != hexvalue2:
+            # Looks weird, but just doing some CSV formatting
+            output.write("\"=\"\""+offset1+"\"\"\""+", \"=\"\""+hexvalue1+"\"\"\""+", \"=\"\""+hexvalue2+"\"\"\"\n")
+            # "=""123"""
+
+
+if len(sys.argv) == 3 and sys.argv[1][-3:] != "bin" and sys.argv[2][-3:] != "bin":
+    with open(sys.argv[1],"r") as file1, open(sys.argv[2],"r") as file2:
+        comparer(file1,file2)
+else:
+    print("This program will compare two hex dumps and will output non-matching offsets")
+    print("Run 'xxd -c 1 <file> > <file>.hex' on both files first.")
+    print("Usage: python offset_diff.py hexfile1 hexfile2")
+    sys.exit(1)

offset_locator.py

@@ -0,0 +1,38 @@
+import sys
+
+def comparer(file1, file2):
+    content1 = file1.readlines()
+    content2 = file2.readlines()
+    if len(content1) != len(content2):
+        print("Something went wrong. Length mismatch")
+        exit(1)
+    output = open("offset_locator.csv", "w")
+    # Looks weird, but just doing some CSV formatting
+    output.write(str(file1).split("name='")[1].split("'")[0] + ", " +
+        str(file2).split("name='")[1].split("'")[0] + "\n")
+    for counter1 in range(len(content1)):
+        offset1, hexvalue1 = content1[counter1][0:8], content1[counter1][10:49]
+        offset2, hexvalue2 = content2[counter1][0:8], content2[counter1][10:49]
+        matched = False
+        if hexvalue1 == "0000 0000 0000 0000 0000 0000 0000 0000":
+            output.write(offset1+" is 0's, \"\"\n")
+        elif hexvalue1 == "FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF":
+            output.write(offset2+" is F's, \"\"")
+        elif hexvalue2 != hexvalue1:
+            for counter2 in range(len(content2)):
+                offset2, hexvalue2 = content2[counter2][0:8], content2[counter2][10:49]
+                if hexvalue1 == hexvalue2:
+                    matched = True
+                    output.write("\"=\"\""+offset1+"\"\"\""+", \"=\"\""+offset2+"\"\"\"\n")
+                if counter2 == len(content2)-1 and not matched:
+                    output.write("\"=\"\""+offset1+"\"\"\""+", No Match\n")
+
+
+if len(sys.argv) == 3 and sys.argv[1][-3:] != "bin" and sys.argv[2][-3:] != "bin":
+    with open(sys.argv[1],"r") as file1, open(sys.argv[2],"r") as file2:
+        comparer(file1,file2)
+else:
+    print("This program will compare two hex dumps and will output matching possible offsets")
+    print("Run 'xxd <file> > <file>.hex' on both files first.")
+    print("Usage: python offset_diff.py hexfile1 hexfile2")
+    sys.exit(1)

patch-airsense

@@ -20,9 +20,15 @@ patch() {
 	dd bs=1 seek=$offset conv=notrunc of="$OUT" status=none
 }
 
-echo "533b91127aa22e05b933db203ad56c449dc12a8c3fd62f57bd88c472a8061775  $IN"\
-| sha256sum --check \
-|| die "$IN: wrong hash"
+shasum=$( sha256sum $IN | cut -f 1 -d " " )
+if [ $shasum = "533b91127aa22e05b933db203ad56c449dc12a8c3fd62f57bd88c472a8061775" ]; then
+	version="401"
+elif [ $shasum = "363a204ba217f31223e929365d58b8f5ce038a7681e362fe157e190c2eacbd30" ]; then
+	version="306"
+else
+	die "$IN: incompatible firmware version."
+fi
+echo "Found firmware version: $version"
 
 cp "$IN" "$OUT" || die "$OUT: copy failed"
 
@@ -40,10 +46,12 @@ BUILD_FLAGS=0
 patch_code() {
 	#if you want to add the extra breath mode
 	BUILD_FLAGS=$(( BUILD_FLAGS | (1 << 0) ))
-
-	if [ -r breath.bin ] ; then
+	if [ -r breath.bin ] && [ $version = "401" ] ; then
 		echo "Including breath.bin"
 		cat breath.bin | patch 0xbb734 || die "binary patch failed"
+	elif [ -r breath.bin ] && [ $version = "306" ] ; then
+                echo "Including breath.bin"
+                cat breath.bin | patch 0xbb4d4 || die "binary patch failed"
 	else
 		die "breath.bin not found, did you run make?"
 	fi