writing values on a led

Dependencies:   Hotboards_leds mbed

Files at this revision

API Documentation at this revision

Comitter:
RomanValenciaP
Date:
Mon Feb 29 20:03:19 2016 +0000
Commit message:
first release - requires approval

Changed in this revision

Hotboards_leds.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r a0ed46c36cdc Hotboards_leds.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Hotboards_leds.lib	Mon Feb 29 20:03:19 2016 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/Hotboards/code/Hotboards_leds/#ea0715867677
diff -r 000000000000 -r a0ed46c36cdc main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Feb 29 20:03:19 2016 +0000
@@ -0,0 +1,30 @@
+
+/*
+ * This program blinks a led but this time we will show you
+ * how to use the write function to manipulate the led state
+ * according to a variable value
+ *
+ */
+ 
+#include "mbed.h"
+#include "Hotboards_leds.h"
+
+//bitRead macro taken from arduino
+#define bitRead( var, bit )           (((var) >> (bit)) & 0x01)
+
+Hotboards_leds led( PA_5 );
+
+uint8_t counter;
+
+int main()
+{
+    while(1)
+    {
+        //The led will blink because we are writing the LSB
+        //of the variable counter which on each iteration
+        //is incremented by 1.
+        led.write( bitRead( counter , 0 ) );
+        wait_ms( 200 );
+        counter ++;
+    }
+}
diff -r 000000000000 -r a0ed46c36cdc mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon Feb 29 20:03:19 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/252557024ec3
\ No newline at end of file