Revision 0:cc014c610423, committed 2017-10-19

Comitter:

CSTritt

Date:

Thu Oct 19 21:05:11 2017 +0000

Commit message:

Initial version. Demonstrates use of header files and compilation units (files) for each function.

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Oct 19 21:05:11 2017 +0000
@@ -0,0 +1,35 @@
+/*
+  Project: HeaderTest
+  File: main.cpp
+  Last revised by: Dr. C. S. Tritt
+  Last revision on: 9/19/17 (v. 1.0)
+  
+  Repeatedly toggles on-board LED.
+ 
+  This example code is in the public domain.
+*/
+// Use #include directives to "paste" text from other files into your code.
+// Use this #include to declare all the mbed driver classes. The mbed library 
+// must also be added to the project either by importing it or by "Fixing" the
+// error that is generated when it has not been imported.
+#include "mbed.h"
+// Use this type of #include to include your own custom header files. Typically 
+// 1 per project or library. 
+#include <myProj.h>
+// Mbed driver class objects are typically declared and defined as global.
+DigitalOut board_LED(LED1);
+// Define global variables here.
+const float BASE_WAIT = 0.1;
+int cycles = 1;
+/*  The "main" function defines your main program -- it executes as soon as
+    you program the board.
+*/  
+int main() {   // This curly brace marks the beginning of the main function.
+    board_LED = 0; // Initialize LED state (not necessary in this case).
+    while(true) { // while(true) repeat forever. 
+        myStuff(); // Call function that is in its own file.
+        if (cycles == 11) { // Reset cycles after 10 of them.
+            cycles = 1;
+        }
+    }
+}
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Oct 19 21:05:11 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/b484a57bc302
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/myProj.h	Thu Oct 19 21:05:11 2017 +0000
@@ -0,0 +1,17 @@
+/*
+  Project: HeaderTest
+  File: myProj.h
+  Last revised by: Dr. C. S. Tritt
+  Last revision on: 10/19/17 (v. 1.0)
+  
+  This is the header files for the HeaderTest project. It declares stuff that
+  will be used in/by multiple cpp files.
+*/
+// Declare mbed objects. The extern indicates it is defined elsewhere (main.cpp
+// in this case).
+extern DigitalOut board_LED;
+// Declare global variables (extern required to avoid errors).
+extern const float BASE_WAIT; // Defined in main.cpp.
+extern int cycles; // Defined in main.cpp.
+// Declare your function(s.
+void myStuff(void); // Defined in myStuff.cpp.
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/myStuff.cpp	Thu Oct 19 21:05:11 2017 +0000
@@ -0,0 +1,17 @@
+/*
+  Project: HeaderTest
+  File: myStuff.cpp
+  Last revised by: Dr. C. S. Tritt
+  Last revision on: 10/19/17 (v. 1.0)
+  
+  This is the source file for the myStuff function. It toggles the LED.
+*/
+// See include comments in main.cpp and myProj.h.
+#include "mbed.h"
+#include <myProj.h>
+
+void myStuff(void) {
+    board_LED = !board_LED; // Toggle LED state.
+    wait(BASE_WAIT * (float) cycles); // Wait varying intervals.
+    cycles++; // Slowly slow down flash rate.
+}
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