diff --git a/main.cpp b/main.cpp
index 33fd7276..7cbb1ba5 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,14 +1,17 @@
 #include "pikbdlistener.h"
 #include "piconnection.h"
+#include "piconfig.h"
 
 int main (int argc, char * argv[]) {
-	PIKbdListener k;
+	/*PIKbdListener k;
 	k.enableExitCapture();
 	PIConnection conn;
 	conn.configureFromConfig("c.conf", "c");
 	conn.start();
 	k.start();
 	WAIT_FOR_EXIT
-	return 0;
+	return 0;*/
+	PIConfig c("mems.conf");
+	piCout << c.allTree();
 }
 
diff --git a/src/io/piconfig.cpp b/src/io/piconfig.cpp
index 5e4f27b0..77eb49a1 100755
--- a/src/io/piconfig.cpp
+++ b/src/io/piconfig.cpp
@@ -262,10 +262,38 @@ PIConfig::PIConfig(PIIODevice * device, PIIODevice::DeviceMode mode) {
 }
 
 
+PIConfig::PIConfig(const PIString & path, PIStringList dirs) {
+	_init();
+	internal = true;
+	own_dev = true;
+	dev = new PIFile(path, PIIODevice::ReadOnly);
+	incdirs = dirs;
+	incdirs << PIFile::fileInfo(path).dir();
+	while (!dev->isOpened()) {
+		if (dirs.isEmpty()) break;
+		PIString cp = dirs.back();
+		if (cp.endsWith("/") || cp.endsWith("\\")) cp.pop_back();
+		cp += "/" + path;
+		dev->open(cp, PIIODevice::ReadOnly);
+		dirs.pop_back();
+	}
+	if (!dev->isOpened()) {
+		delete dev;
+		dev = 0;
+		return;
+	}
+	parse();
+}
+
+
 PIConfig::~PIConfig() {
 	root.deleteBranch();
 	if (own_dev && dev) delete dev;
 	dev = 0;
+	piForeach (PIConfig * c, inc_devs)
+		delete c;
+	inc_devs.clear();
+	includes.clear();
 }
 
 
@@ -290,6 +318,7 @@ bool PIConfig::open(PIString * string, PIIODevice::DeviceMode mode) {
 
 
 void PIConfig::_init() {
+	internal = false;
 	delim = PIStringAscii(".");
 	root.delim = delim;
 	empty.delim = delim;
@@ -629,12 +658,43 @@ bool PIConfig::entryExists(const Entry * e, const PIString & name) const {
 }
 
 
+void PIConfig::updateIncludes() {
+	if (internal) return;
+	all_includes.clear();
+	piForeach (PIConfig * c, includes)
+		all_includes << c->allLeaves();
+}
+
+
+PIString PIConfig::entryValue(PIString v) {
+	int i = -1, l = 0;
+	while (1) {
+		i = v.find("$(");
+		if (i < 0) break;
+		PIString w = v.mid(i + 1).takeRange('(', ')'), r;
+		l = w.length() + 3;
+		w.trim();
+		piForeachC (PIConfig::Entry * e, all_includes)
+			if (e->_full_name == w) {
+				r = e->_value;
+				break;
+			}
+		v.replace(i, l, r);
+	}
+	return v;
+}
+
+
 void PIConfig::parse() {
 	PIString src, str, tab, comm, all, name, type, prefix, tprefix;
 	PIStringList tree;
 	Entry * entry, * te, * ce;
 	int ind, sind;
 	bool isNew, isPrefix;
+	piForeach (PIConfig * c, inc_devs)
+		delete c;
+	inc_devs.clear();
+	includes.clear();
 	if (!isOpened()) return;
 	_seekToBeginDev();
 	other.clear();
@@ -668,39 +728,54 @@ void PIConfig::parse() {
 			}
 			//name = str.left(ind).trimmed();
 			tree = (prefix + str.left(ind).trimmed()).split(delim);
-			name = tree.back();
-			tree.pop_back();
-			entry = &root;
-			piForeachC (PIString & i, tree) {
-				te = entry->findChild(i);
-				if (te == 0) {
+			if (tree.front() == "include") {
+				name = str.right(str.length() - ind - 1).trimmed();
+				PIConfig * iconf = new PIConfig(name, incdirs);
+				//piCout << "include" << name << iconf->dev;
+				if (!iconf->dev) {
+					delete iconf;
+				} else {
+					inc_devs << iconf;
+					includes << iconf << iconf->includes;
+					updateIncludes();
+				}
+				//piCout << "includes" << includes;
+				other.back() = src;
+			} else {
+				name = tree.back();
+				tree.pop_back();
+				entry = &root;
+				piForeachC (PIString & i, tree) {
+					te = entry->findChild(i);
+					if (te == 0) {
+						ce = new Entry();
+						ce->delim = delim;
+						ce->_tab = tab;
+						ce->_line = lines;
+						ce->_name = i;
+						ce->_parent = entry;
+						entry->_children << ce;
+						entry = ce;
+					} else entry = te;
+				}
+				isNew = false;
+				ce = entry->findChild(name);
+				if (ce == 0) {
 					ce = new Entry();
-					ce->delim = delim;
-					ce->_tab = tab;
-					ce->_line = lines;
-					ce->_name = i;
+					isNew = true;
+				}
+				ce->delim = delim;
+				ce->_tab = tab;
+				ce->_name = name;
+				ce->_value = entryValue(str.right(str.length() - ind - 1).trimmed());
+				ce->_type = type;
+				ce->_comment = comm;
+				ce->_line = lines;
+				ce->_all = all;
+				if (isNew) {
 					ce->_parent = entry;
 					entry->_children << ce;
-					entry = ce;
-				} else entry = te;
-			}
-			isNew = false;
-			ce = entry->findChild(name);
-			if (ce == 0) {
-				ce = new Entry();
-				isNew = true;
-			}
-			ce->delim = delim;
-			ce->_tab = tab;
-			ce->_name = name;
-			ce->_value = str.right(str.length() - ind - 1).trimmed();
-			ce->_type = type;
-			ce->_comment = comm;
-			ce->_line = lines;
-			ce->_all = all;
-			if (isNew) {
-				ce->_parent = entry;
-				entry->_children << ce;
+				}
 			}
 		} else other.back() = src;
 		lines++;
diff --git a/src/io/piconfig.h b/src/io/piconfig.h
index 63001d0e..fd8f88ad 100755
--- a/src/io/piconfig.h
+++ b/src/io/piconfig.h
@@ -466,6 +466,7 @@ public:
 	void setDelimiter(const PIString & d) {delim = d; setEntryDelim(&root, d); readAll();}
 	
 private:
+	PIConfig(const PIString & path, PIStringList dirs);
 	void _init();
 	void _clearDev();
 	void _flushDev();
@@ -482,12 +483,17 @@ private:
 	void removeEntry(Branch & b, Entry * e);
 	void deleteEntry(Entry * e) {piForeach (Entry * i, e->_children) deleteEntry(i); delete e;}
 	PIString getPrefixFromLine(PIString line, bool * exists);
+	void updateIncludes();
+	PIString entryValue(PIString v);
 	void parse();
 	
 	int centry;
-	bool own_dev;
+	bool own_dev, internal;
+	PIVector<PIConfig * > includes, inc_devs;
+	Branch all_includes;
 	PIIODevice * dev;
 	PIString delim;
+	PIStringList incdirs;
 	Entry root, empty;
 	uint lines;
 	PIStringList other;