Jürgen Schüle / Mbed 2 deprecated Nucleo-F091_GettingStarted

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Dependencies:   mbed

Diff: main.cpp

Revision:
8:0cfa131f854c
Parent:
7:dd77d598e6cb
Child:
9:de7920643cbd
--- a/main.cpp	Sat Dec 01 14:40:10 2018 +0000
+++ b/main.cpp	Wed Dec 05 12:29:38 2018 +0000
@@ -1,7 +1,13 @@
 #include "mbed.h"
+#define PRESSED 0
 
-/** Test
- * Nucleo-F091 Getting started
+/** Nucleo-F091 Getting started
+ * 
+ * Basic fuctionality:
+ * - Controls LED
+ * - Reads userbutton
+ * - Prints on serial terminal
+ * - Reads character from serial terminal
  */
 
 Serial pc(SERIAL_TX, SERIAL_RX); 
@@ -17,7 +23,6 @@
     wait(1.0f); //https://en.cppreference.com/w/cpp/language/floating_literal
     onboardLed=!onboardLed;
     wait(1.0f);
-    onboardLed=0;
     pc.printf("Press any key on the keyboard to start the program\n\r");
     pc.putc(pc.getc()); //echo keyboard input, blocking wait
     pc.printf(" was pressed\n\r");
@@ -34,7 +39,7 @@
         onboardLed.write(0); //switch off
         wait_ms(700);
         pc.printf("This program runs since %d (0x%X) seconds.\n\r", i,i);
-        if (userButton==0) {
+        if (userButton==PRESSED) {
             pc.printf("Userbutton pressed\n\r");
         }
         i++;    //increase loop counter