Roman Valencia / Mbed 2 deprecated writing

writing values on a led

Dependencies:   Hotboards_leds mbed

Diff: main.cpp

Revision:
0:a0ed46c36cdc
--- /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 ++;
+    }
+}