Charles Tritt / Mbed OS 21_ConsoleIO_v5

Use this project as a starting point for simple IO testing in Mbed. This is the initial version.

Files at this revision

API Documentation at this revision

Revision 116:a08f67e4d8e1, committed 2021-10-21

Comitter:
CSTritt
Date:
Thu Oct 21 10:16:51 2021 +0000
Parent:
115:f22cbbc92bae
Commit message:
Added explicit Serial port, pc.

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Wed Oct 13 14:27:35 2021 +0000
+++ b/main.cpp	Thu Oct 21 10:16:51 2021 +0000
@@ -12,22 +12,24 @@
 */
 #include "mbed.h"
 
+Serial pc(USBTX, NC, 9600);
+
 int main()
 {
     const int DELAY = 2000000;; // mS wait time.
     const char ESC = 27; // Define escape character for escape sequence.
-    printf("%c[2J%c[H", ESC, ESC); // ANSI/VT100 clear screen/home.
+    pc.printf("%c[2J%c[H", ESC, ESC); // ANSI/VT100 clear screen/home.
 
     // Replace the code below with your code.
-    int count = 1; // Declared in outer block.
-    int iCount = 0; // This is another variable called count.
+    int count = 1; // Do while loop counter.
+    int iCount = 0; // Counter in do-while loop.
     do {
         --iCount; // this applies to inner count.
         printf("Count Down = %d and abs(Count Down) = %d\n", 
             iCount, abs(iCount));
     } while( ++count <= 5); // This works with outer count.
 
-    printf("count = %d\n", count); // Inner count is dead.
+    pc.printf("count = %d\n", count);
 
     while(true) {  // Main forever loop.
         ThisThread::sleep_for(DELAY); // Pause