Diff: main.cpp

Revision:

0:a32d7ad5d9e0

Child:

1:6d23f3636441

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Dec 09 02:41:04 2015 +0000
@@ -0,0 +1,75 @@
+/**
+@file main.cpp Thread_use7
+ 
+@brief Code which uses two potentiometers to control the brightness of on board LED's, at the same time, using threads.
+
+@Authour Louis Wray
+
+@Date 8th December 2015
+
+Think of threads as "paths" except your code can walk down more than one path a time a time
+
+
+*/
+
+
+#include "mbed.h"
+#include "rtos.h" // real time operating system (rtos) library
+
+
+/**
+@namespace Potentiometer
+@brief represents potentiometer in value on pin 20
+*/
+AnalogIn Potentiometer(p20);
+
+/**
+@namespace Potentiometer1
+@brief represents potentiometer in value on pin 19
+*/
+AnalogIn Potentiometer1(p19);
+
+/**
+@namespace led
+@brief represents on board LED initialised to have brightness controlled with PWM
+*/
+PwmOut led(LED1);
+
+/**
+@namespace led1
+@brief represents on board LED initialised to have brightness controlled with PWM
+*/
+PwmOut led1(LED4);
+
+/**
+*function used as main for created thread.
+*controls on board LED with potentiometer
+*/
+void LED2_CONTROL(void const *args)    /// This is the thread function, essentially another int main()            
+{
+    while(1) {
+        led = Potentiometer.read();
+        Thread::wait(1); /// Thread::wait(x) must be inclued and x must be a real integer greater than 0, this is because it is a "status code"
+        /// and the status code is indicating the execution status of the function, so setting this wait also actually sets the
+        /// execution status, meaning it shows the thread is being executed.
+        /// the integer x is in MILLI_SECONDS
+    }
+
+}
+
+
+int main()
+{
+
+    Thread thread(LED2_CONTROL); /// set the Thread, give the Thread a name (thread) and assign 
+                                 /// a function to designate as the seperate thread
+
+    while (1) {
+
+        led1 = Potentiometer1.read();
+        Thread::wait(1); /// indicates status of this thread also
+
+
+    }
+}
+