Resolve "Add generic oscillator driver"

Closes #233 (closed)

applications/parameters/parameterBool.cpp

@@ -28,5 +28,18 @@ ParameterBool::~ParameterBool(void)
 {
 }
 
+std::string ParameterBool::toString() const
+{
+    return this->value() ? "true" : "false";
+}
+
+void ParameterBool::fromString(const std::string& value)
+{
+    std::string data = value;
+    std::transform(data.begin(), data.end(), data.begin(),
+        [](unsigned char c){ return std::tolower(c); });
+    this->setValue(data == "true");
+}
+
 } // namespace Parameters
 } // namespace OpenViBE
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