a

Dependencies:   mbed

Dependents:   4180Lab1

Files at this revision

API Documentation at this revision

Comitter:
rmaran6
Date:
Fri Sep 02 17:35:19 2016 +0000
Commit message:
joystick

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r 55bb59452ebc main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Sep 02 17:35:19 2016 +0000
@@ -0,0 +1,74 @@
+#include "mbed.h"
+ 
+BusOut mbedleds(LED1,LED2,LED3,LED4);
+//BusOut/In is faster than multiple DigitalOut/Ins
+ 
+class Nav_Switch
+{
+public:
+    Nav_Switch(PinName up,PinName down,PinName left,PinName right,PinName fire);
+    int read();
+//boolean functions to test each switch
+    bool up();
+    bool down();
+    bool left();
+    bool right();
+    bool fire();
+//automatic read on RHS
+    operator int ();
+//index to any switch array style
+    bool operator[](int index) {
+        return _pins[index];
+    };
+private:
+    BusIn _pins;
+ 
+};
+Nav_Switch::Nav_Switch (PinName up,PinName down,PinName left,PinName right,PinName fire):
+    _pins(up, down, left, right, fire)
+{
+    _pins.mode(PullUp); //needed if pullups not on board or a bare nav switch is used - delete otherwise
+    wait(0.001); //delays just a bit for pullups to pull inputs high
+}
+inline bool Nav_Switch::up()
+{
+    return !(_pins[0]);
+}
+inline bool Nav_Switch::down()
+{
+    return !(_pins[1]);
+}
+inline bool Nav_Switch::left()
+{
+    return !(_pins[2]);
+}
+inline bool Nav_Switch::right()
+{
+    return !(_pins[3]);
+}
+inline bool Nav_Switch::fire()
+{
+    return !(_pins[4]);
+}
+inline int Nav_Switch::read()
+{
+    return _pins.read();
+}
+inline Nav_Switch::operator int ()
+{
+    return _pins.read();
+}
+ 
+Nav_Switch myNav( p9, p6, p7, p5, p8); //pin order on Sparkfun breakout
+ 
+int main()
+{
+    while(1) {
+        //with pullups a button hit is a "0" - "~" inverts data to leds
+        mbedleds = ~(myNav & 0x0F); //update leds with nav switch direction inputs
+        if(myNav.fire()) mbedleds = 0x0F; //special all leds on case for fire (center button)
+        //or use - if(myNav[4]==0) mbedleds = 0x0F; //can index a switch bit like this
+        wait(0.02);
+    }
+}
+ 
\ No newline at end of file
diff -r 000000000000 -r 55bb59452ebc mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Fri Sep 02 17:35:19 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/2e9cc70d1897
\ No newline at end of file