Diff: joystick.h

Revision:

0:8a02ac09eae0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/joystick.h	Fri Apr 29 02:04:07 2016 +0000
@@ -0,0 +1,68 @@
+#include "mbed.h"
+ 
+class Nav_Switch
+{
+public:
+    Nav_Switch(PinName up,PinName down,PinName left,PinName right,PinName fire,
+               volatile bool* u, volatile bool* d, volatile bool* l, volatile bool* r, volatile bool* f, volatile int* counter);
+//boolean functions to test each switch
+    void up();
+    void down();
+    void left();
+    void right();
+    void fire();
+private:
+    InterruptIn _up;
+    InterruptIn _down;
+    InterruptIn _left;
+    InterruptIn _right;
+    InterruptIn _fire;
+    volatile bool* _u;
+    volatile bool* _d;
+    volatile bool* _l;
+    volatile bool* _r;
+    volatile bool* _f;
+    volatile int* _counter;
+ 
+};
+Nav_Switch::Nav_Switch (PinName up,PinName down,PinName left,PinName right,PinName fire,
+                        volatile bool* u, volatile bool* d, volatile bool* l, volatile bool* r, volatile bool* f,
+                        volatile int* counter):
+    _up(up), _down(down), _left(left), _right(right), _fire(fire),
+    _u(u), _d(d), _l(l), _r(r), _f(f),
+    _counter(counter)
+{
+    _up.mode(PullUp); //needed if pullups not on board or a bare nav switch is used - delete otherwise
+    _down.mode(PullUp);
+    _left.mode(PullUp);
+    _right.mode(PullUp);
+    _fire.mode(PullUp);
+    wait(0.001); //delays just a bit for pullups to pull inputs high
+    _up.fall(this, &Nav_Switch::up);
+    _down.fall(this, &Nav_Switch::down);
+    _left.fall(this, &Nav_Switch::left);
+    _right.fall(this, &Nav_Switch::right);
+    _fire.fall(this, &Nav_Switch::fire);
+}
+inline void Nav_Switch::up()
+{
+    (*_u) = true;
+    (*_counter) = ((*_counter) + 2 - 1) % 2;
+}
+inline void Nav_Switch::down()
+{
+    (*_d) = true;
+    (*_counter) = ((*_counter) + 1) % 2;
+}
+inline void Nav_Switch::left()
+{
+    (*_l) = true;
+}
+inline void Nav_Switch::right()
+{
+    (*_r) = true;
+}
+inline void Nav_Switch::fire()
+{
+    (*_f) = true;
+}