Diff: main.cpp

Revision:

0:d7ff46432e47

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Feb 21 12:43:09 2019 +0000
@@ -0,0 +1,63 @@
+#include "mbed.h"
+#include <ctype.h>
+Serial pc(USBTX, USBRX); // tx, rx
+DigitalOut led(LED1); //options for serial and light
+DigitalOut led2(LED4);//second led
+
+
+int main(){
+     while(1){
+        //write options for user to select from
+        pc.printf("\nA: USNA \n B: 2021 \n C: CyberOps \n");
+        char in = pc.getc();  // this function will get the user choice
+        switch(in){  // these are the options for "in" response
+            case 'A':
+                morse("USNA", outstring);
+                break;
+            case 'B': 
+                morse("2021", outstring);
+                break;
+            case 'C':
+                morse("CyberOps", outstring);
+                break;
+            case 'q': case 'Q':
+                exit(0);
+            default:
+                pc.printf("\n ERROR INVALID OPTION");   
+        }
+//"40 letters per minute is used for flashing light transmission of Morse code (approximately 200 milliseconds per “dot” or
+//“unit”). Additionally, the space between any two elements of a symbol, between letters, and between words
+//should follow the requirements of these sections."
+    
+// FOR EXTRA CREDIT:
+    
+    //Prompt user for input, and store as a string 
+        //end signal by pressing enter key*
+    
+        //Be sure user inputs meet specified requirements, string <= 50 chars, only containing letters, numbers, and spaces
+            //check for valid input
+                // if invalid input, request another message (while loop)
+        morse(instring,outstring,led); //call morse to translate for LED1
+            
+    //***Repeat above process for LED2.
+        morse(instring2, outstring2,led2);
+        //call morse to translate for LED4
+}
+
+    
+//define function to handle input and translate to morse code.
+void morse(char* x, char* y, DigitalOut lednum){//x is the instring, y is the out, passed by ref
+                           //so we can use same char * whole program
+                //can use-->   https://os.mbed.com/users/jkhan/notebook/morse-code/
+                    // 0 is off, 1 is dot, 3 is slash
+                    
+                //test each individual letter (to be translated) for equality in cases
+                    //apply match to a variable to be called in for transmit function
+}
+
+//define function to transmit morse data to LEDs    
+void transmit(char* x, DigitalOut lednum){
+    //create time variable for proper output
+    //Run through cases to see where 0, 1, and 3 apply
+        // run through each LED individually
+}