1 files changed, 21 insertions, 0 deletions
diff --git a/esp8266/makeimg.py b/esp8266/makeimg.py
new file mode 100644
index 000000000..1ac681cb7
--- /dev/null
+++ b/esp8266/makeimg.py
@@ -0,0 +1,21 @@
+import sys
+
+assert len(sys.argv) == 4
+
+with open(sys.argv[3], 'wb') as fout:
+
+    with open(sys.argv[1], 'rb') as f:
+        data_flash = f.read()
+        fout.write(data_flash)
+        print('flash    ', len(data_flash))
+
+    pad = b'\xff' * (0x10000 - len(data_flash))
+    fout.write(pad)
+    print('padding  ', len(pad))
+
+    with open(sys.argv[2], 'rb') as f:
+        data_rom = f.read()
+        fout.write(data_rom)
+        print('irom0text', len(data_rom))
+
+    print('total    ', 0x10000 + len(data_rom))