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diff --git a/src/avrdude/avrdude-slic3r.hpp b/src/avrdude/avrdude-slic3r.hpp
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+++ b/src/avrdude/avrdude-slic3r.hpp
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+#ifndef slic3r_avrdude_slic3r_hpp_
+#define slic3r_avrdude_slic3r_hpp_
+
+#include <memory>
+#include <vector>
+#include <string>
+#include <functional>
+
+namespace Slic3r {
+
+class AvrDude
+{
+public:
+	enum {
+		EXIT_SUCCEESS   = 0,
+		EXIT_EXCEPTION  = -1000,
+	};
+
+	typedef std::shared_ptr<AvrDude> Ptr;
+	typedef std::function<void(Ptr /* avrdude */)> RunFn;
+	typedef std::function<void(const char * /* msg */, unsigned /* size */)> MessageFn;
+	typedef std::function<void(const char * /* task */, unsigned /* progress */)> ProgressFn;
+	typedef std::function<void()> CompleteFn;
+
+	// Main c-tor, sys_config is the location of avrdude's main configuration file
+	AvrDude(std::string sys_config);
+	AvrDude(AvrDude &&);
+	AvrDude(const AvrDude &) = delete;
+	AvrDude &operator=(AvrDude &&) = delete;
+	AvrDude &operator=(const AvrDude &) = delete;
+	~AvrDude();
+
+	// Push a set of avrdude cli arguments
+	// Each set makes one avrdude invocation - use this method multiple times to push
+	// more than one avrdude invocations.
+	AvrDude& push_args(std::vector<std::string> args);
+
+	// Set a callback to be called just after run() before avrdude is ran
+	// This can be used to perform any needed setup tasks from the background thread,
+	// and, optionally, to cancel by writing true to the `cancel` argument.
+	// This has no effect when using run_sync().
+	AvrDude& on_run(RunFn fn);
+
+	// Set message output callback
+	AvrDude& on_message(MessageFn fn);
+
+	// Set progress report callback
+	// Progress is reported per each task (reading / writing) in percents.
+	AvrDude& on_progress(ProgressFn fn);
+
+	// Called when the last avrdude invocation finishes with the exit status of zero,
+	// or earlier, if one of the invocations return a non-zero status.
+	// The second argument contains the sequential id of the last avrdude invocation argument set.
+	// This has no effect when using run_sync().
+	AvrDude& on_complete(CompleteFn fn);
+
+	// Perform AvrDude invocation(s) synchronously on the current thread
+	int run_sync();
+
+	// Perform AvrDude invocation(s) on a background thread.
+	// Current instance is moved into a shared_ptr which is returned (and also passed in on_run, if any).
+	Ptr run();
+
+	// Cancel current operation
+	void cancel();
+
+	// If there is a background thread and it is joinable, join() it,
+	// that is, wait for it to finish.
+	void join();
+
+	bool cancelled();          // Whether avrdude run was cancelled
+	int exit_code();           // The exit code of the last invocation
+	size_t last_args_set();    // Index of the last argument set that was processsed
+private:
+	struct priv;
+	std::unique_ptr<priv> p;
+};
+
+
+}
+
+#endif