first draft

fuses.py

@@ -0,0 +1,20 @@
+from os.path import join
+Import("env")
+
+conf_path = join(env.PioPlatform().get_package_dir("tool-avrdude"), "avrdude.conf")
+
+env.Replace(
+    FUSEUPLOADER="avrdude",
+    FUSEFLAGS=[
+        "-C", conf_path,
+        "-p", "atmega328p",
+        "-Pusb",
+        "-c", "jtag3isp"
+    ],
+    FUSECOMMAND="$FUSEUPLOADER $FUSEFLAGS -U lfuse:w:0xE6:m -U hfuse:w:0xDA:m -U efuse:w:0x05:m"
+)
+
+def set_fuses(source, target, env):
+    env.Execute(env.VerboseAction("$FUSECOMMAND", "Setting Fuses..."))
+
+env.AddPreAction("upload", set_fuses)