Diff: main.cpp

Revision:

0:f8795d549647

Child:

1:333227007cea

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Apr 13 14:33:42 2016 +0000
@@ -0,0 +1,58 @@
+/*********************************************************
+*RenBED_RGB                                              *
+*Author: Elijah Orr                                      *
+*                                                        *  
+*A program that cycles through the 9 different states    *
+*(including off) of a common anode RGB LED that are      *
+*available via digital pin control.                      *
+*********************************************************/
+
+/* include the mbed library made by mbed.org that contains 
+classes/functions designed to make programming mbed 
+microcontrollers easier */
+#include "mbed.h"
+
+/* Set up 3 pins as digital out to control the colour
+cathodes of the RGB LED */
+DigitalOut Red(p21);
+DigitalOut Green(p23);
+DigitalOut Blue(p22);
+
+/* the main function is where a program will begin to execute. */
+
+/****************************************************************
+* Function: main()                                              *
+*                                                               *
+* Sequences an RBG LED connected to the RenBED                  *
+*                                                               *
+* Inputs: none                                                  *
+*                                                               *
+* Returns: none                                                 *
+****************************************************************/
+int main()
+{
+    /* open a for loop with no parameters to start an infinite loop */
+    for(;;){
+        Red = 0;                    /* As we are controlling colour cathodes, we must pull the pin low to turn on the colour */
+        wait_ms(1000);
+        Blue = 0;                   /* Colours are combined by switching multiple colour pins on at once */
+        wait_ms(1000);
+        Red = 1;                    /* Pull the red pin high to switch it off */
+        wait_ms(1000);
+        Green = 0;
+        wait_ms(1000);
+        Blue = 1;
+        wait_ms(1000);
+        Red = 0;
+        wait_ms(1000);
+        Red = 1;
+        Blue = 0;
+        wait_ms(1000);
+        Red = 0;
+        wait_ms(1000);
+        Red = Blue = Green = 1;     /* Switch off all colours */
+        wait_ms(1000);
+    }
+}
+        
+        
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