diff -r bb42abd9f510 -r cf77c218b0b1 cadMousePro-daemon/src/Common.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cadMousePro-daemon/src/Common.h	Thu Aug 29 17:57:30 2019 +0200
@@ -0,0 +1,37 @@
+/**
+ * cadMousePro
+ * Copyright © 2019 František Kučera (Frantovo.cz, GlobalCode.info)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include "CadMouseConfig.h"
+#include "CLI.h"
+#include "CLIException.h"
+
+class Common {
+public:
+
+	static Frequency parseFrequency(std::wstring value) {
+		if (value == L"125") return Frequency::Hz_0125;
+		else if (value == L"250") return Frequency::Hz_0250;
+		else if (value == L"500") return Frequency::Hz_0500;
+		else if (value == L"1000") return Frequency::Hz_1000;
+		else throw CLIException(L"Unable to parse frequency value „" + value + L"“ – expecting „125“ or „250“ or „500“ or „1000“", CLI::EXIT_CODE_BAD_CLI_ARGUMENTS);
+	}
+	
+	// TODO: refactor exceptions
+
+};