main.cpp modified to control the four user LEDs and help added to terminal

main.cpp

@@ -3,24 +3,36 @@
 using namespace std;
 
 int main(int argc, char* argv[]){
-	CLED led1 = CLED(3);
-	string cmd(argv[1]);
-	
-	if(argc!=2)
-		std::cout << "Incorrect number of arguments" << std::endl;
-	
-	if(cmd=="on")
-		led1.TurnOn();
-	
-	else if(cmd=="off")
-		led1.TurnOff();
-	
-	else if(cmd=="blink")
-		led1.BlinkLED();
 	
-	else
-		cout << "Invalid command" << endl;
 	
+	if(argc!=2){
+		std::cout << "Error: This is not a command for this application" << std::endl;
+		std::cout << "These are the commands you can use: on, off and blink" << std::endl;
+	}
+
+	std::cout << "Starting app" << std::endl;
+	string cmd(argv[1]);
+
+	CLED leds[4] = {CLED(0), CLED(1), CLED(2), CLED(3)};
+
+	for(int i=0; i<=3; i++){
+		if(cmd=="on")
+			leds[i].TurnOn();
+		
+		else if(cmd=="off")
+			leds[i].TurnOff();
+		
+		else if(cmd=="blink")
+			leds[i].BlinkLED();
+		
+		else{
+			std::cout << "Error: Invalid command" << std::endl;
+			std::cout << "These are the commands you can use: " << std::endl;
+			std::cout << "on - Powers on the LED" << std::endl;
+			std::cout << "off - Powers off the LED" << std::endl;
+			std::cout << "blink - Makes the LED blink" << std::endl;	
+		}	
+	}	
 	return 0;
 }