Diff: main.cpp

Revision:

0:b7019deacc63

Child:

1:76a052237fca

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Oct 21 04:58:31 2015 +0000
@@ -0,0 +1,130 @@
+#include "mbed.h"
+#include "uLCD_4DGL.h"
+#include "rtos.h"
+#include "PinDetect.h"
+//Joystick Inputs
+PinDetect up(p17);
+PinDetect down(p13);
+PinDetect left(p15);
+PinDetect right(p14);
+PinDetect c(p16);
+//RTOS Mutex
+Mutex DAmu;
+//uLCD
+uLCD_4DGL uLCD(p9,p10,p11); // serial tx, serial rx, reset pin;
+
+//SCREENSAVER VARIABLES
+int volatile counter=0; //GLOBAL COUNTER VARIABLE FOR SCREENSAVER MODE
+int color[] = {RED,BLUE,GREEN}; //color to be written to screen
+
+// SCREENSAVER FUNCTION
+void screensaver(void const *args)
+{
+    //pc.printf("/n %d", counter);
+    while(counter!=0) {
+        uLCD.cls();
+        for(int i=0; i<(128)&&counter!=0; i++) {
+            for(int k=0; (k<128)&&counter!=0; k++) {
+                DAmu.lock();                           //Use Mutex to decide which function writes to screen
+                uLCD.pixel(k,i,color[rand()%3]);       //Randomizes color to be written to screen
+                DAmu.unlock();
+            }
+        }
+        uLCD.cls();
+        Thread::wait(1000);
+    }
+}
+
+
+//Variables and function calls for sample program (NOT REQUIRED)
+int volatile count=0;
+int volatile dy=64;
+int volatile dx=64;
+
+void up_hit_callback (void)
+{
+    dy--;
+    count =1;
+    counter=0;
+    Thread::wait(1);
+}
+void down_hit_callback (void)
+{
+    dy++;
+    count =1;
+    counter=0;
+    Thread::wait(1);
+}
+void left_hit_callback (void)
+{
+    dx--;
+    count =1;
+    counter=0;
+    Thread::wait(1);
+}
+void right_hit_callback (void)
+{
+    dx++;
+    count =1;
+    counter=0;
+    Thread::wait(1);
+}
+
+void c_hit_callback (void)
+{
+    count = 1;
+    counter=0;
+    Thread::wait(1);
+}
+
+
+int main()
+{
+    //Setup Pushbuttons or Joystick
+    up.mode(PullDown);
+    down.mode(PullDown);
+    left.mode(PullDown);
+    right.mode(PullDown);
+    c.mode(PullDown);
+
+    up.setSampleFrequency();
+    down.setSampleFrequency();
+    left.setSampleFrequency();
+    right.setSampleFrequency();
+    c.setSampleFrequency();
+    
+   //JoyStick or Pushbutton functional fall interrupts set up
+    up.attach_deasserted(&up_hit_callback);
+    down.attach_deasserted(&down_hit_callback);
+    left.attach_deasserted(&left_hit_callback);
+    right.attach_deasserted(&right_hit_callback);
+    c.attach_deasserted(&c_hit_callback);
+
+    //initialize screen 
+    uLCD.baudrate(100000);
+    DAmu.lock();
+    uLCD.background_color(BLACK);
+    uLCD.cls();
+    DAmu.unlock();
+
+    while(1) {
+        DAmu.lock();
+        if(counter==500) {            //screensaver mode conditional and desired wait time counter
+            DAmu.unlock();
+            screensaver(0);
+            counter++;
+        } else {                      // Desired code for MBED uLCD program (Not screensaver mode)
+            if (count==1) {
+                uLCD.cls();
+                DAmu.unlock();
+                count=0;
+            } else {
+                DAmu.lock();
+                uLCD.filled_rectangle(dx+2,dy+2 ,dx-2, dy-2, WHITE);
+                DAmu.unlock();
+            }
+            counter++;
+        }
+        Thread::wait(1);
+    }
+}