Make p command show all parameters starting with the arg

flix/cli.ino

@@ -31,7 +31,7 @@ const char* motd =
 "Commands:\n\n"
 "help - show help\n"
 "p - show all parameters\n"
-"p <name> - show parameter\n"
+"p <str> - show parameters starting with str\n"
 "p <name> <value> - set parameter\n"
 "preset - reset parameters\n"
 "time - show time info\n"
@@ -92,10 +92,8 @@ void doCommand(String str, bool echo = false) {
 	// execute command
 	if (command == "help" || command == "motd") {
 		print("%s\n", motd);
-	} else if (command == "p" && arg0 == "") {
-		printParameters();
-	} else if (command == "p" && arg0 != "" && arg1 == "") {
-		print("%s = %g\n", arg0.c_str(), getParameter(arg0.c_str()));
+	} else if (command == "p" && arg1 == "") {
+		printParameters(arg0.c_str());
 	} else if (command == "p") {
 		bool success = setParameter(arg0.c_str(), arg1.toFloat());
 		if (success) {

flix/parameters.ino

@@ -188,8 +188,9 @@ void syncParameters() {
 	}
 }
 
-void printParameters() {
+void printParameters(const char *filter) {
 	for (auto &parameter : parameters) {
+		if (strncasecmp(parameter.name, filter, strlen(filter))) continue;
 		print("%s = %g\n", parameter.name, parameter.getValue());
 	}
 }

gazebo/flix.h

@@ -68,7 +68,7 @@ const char *getParameterName(int index);
 float getParameter(int index);
 float getParameter(const char *name);
 bool setParameter(const char *name, const float value);
-void printParameters();
+void printParameters(const char *filter);
 void resetParameters();
 
 // mocks