Alex Brumfield / Mbed 2 deprecated 5wayinput

not mutex

Dependencies:   mbed

main.cpp@0:a84461e6d5d9, 2016-03-03 (annotated)

Committer:
abrumfield6
Date:
Thu Mar 03 19:30:15 2016 +0000
Revision:
0:a84461e6d5d9
non mutex;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
abrumfield6 0:a84461e6d5d9 1 #include "mbed.h"
abrumfield6 0:a84461e6d5d9 2
abrumfield6 0:a84461e6d5d9 3 BusOut mbedleds(LED1,LED2,LED3,LED4);
abrumfield6 0:a84461e6d5d9 4 //BusOut/In is faster than multiple DigitalOut/Ins
abrumfield6 0:a84461e6d5d9 5
abrumfield6 0:a84461e6d5d9 6 class Nav_Switch
abrumfield6 0:a84461e6d5d9 7 {
abrumfield6 0:a84461e6d5d9 8 public:
abrumfield6 0:a84461e6d5d9 9 Nav_Switch(PinName up,PinName down,PinName left,PinName right,PinName fire);
abrumfield6 0:a84461e6d5d9 10 int read();
abrumfield6 0:a84461e6d5d9 11 //boolean functions to test each switch
abrumfield6 0:a84461e6d5d9 12 bool up();
abrumfield6 0:a84461e6d5d9 13 bool down();
abrumfield6 0:a84461e6d5d9 14 bool left();
abrumfield6 0:a84461e6d5d9 15 bool right();
abrumfield6 0:a84461e6d5d9 16 bool fire();
abrumfield6 0:a84461e6d5d9 17 //automatic read on RHS
abrumfield6 0:a84461e6d5d9 18 operator int ();
abrumfield6 0:a84461e6d5d9 19 //index to any switch array style
abrumfield6 0:a84461e6d5d9 20 bool operator[](int index) {
abrumfield6 0:a84461e6d5d9 21 return _pins[index];
abrumfield6 0:a84461e6d5d9 22 };
abrumfield6 0:a84461e6d5d9 23 private:
abrumfield6 0:a84461e6d5d9 24 BusIn _pins;
abrumfield6 0:a84461e6d5d9 25
abrumfield6 0:a84461e6d5d9 26 };
abrumfield6 0:a84461e6d5d9 27 Nav_Switch::Nav_Switch (PinName up,PinName down,PinName left,PinName right,PinName fire):
abrumfield6 0:a84461e6d5d9 28 _pins(up, down, left, right, fire)
abrumfield6 0:a84461e6d5d9 29 {
abrumfield6 0:a84461e6d5d9 30 _pins.mode(PullUp); //needed if pullups not on board or a bare nav switch is used - delete otherwise
abrumfield6 0:a84461e6d5d9 31 wait(0.001); //delays just a bit for pullups to pull inputs high
abrumfield6 0:a84461e6d5d9 32 }
abrumfield6 0:a84461e6d5d9 33 inline bool Nav_Switch::up()
abrumfield6 0:a84461e6d5d9 34 {
abrumfield6 0:a84461e6d5d9 35 return !(_pins[0]);
abrumfield6 0:a84461e6d5d9 36 }
abrumfield6 0:a84461e6d5d9 37 inline bool Nav_Switch::down()
abrumfield6 0:a84461e6d5d9 38 {
abrumfield6 0:a84461e6d5d9 39 return !(_pins[1]);
abrumfield6 0:a84461e6d5d9 40 }
abrumfield6 0:a84461e6d5d9 41 inline bool Nav_Switch::left()
abrumfield6 0:a84461e6d5d9 42 {
abrumfield6 0:a84461e6d5d9 43 return !(_pins[2]);
abrumfield6 0:a84461e6d5d9 44 }
abrumfield6 0:a84461e6d5d9 45 inline bool Nav_Switch::right()
abrumfield6 0:a84461e6d5d9 46 {
abrumfield6 0:a84461e6d5d9 47 return !(_pins[3]);
abrumfield6 0:a84461e6d5d9 48 }
abrumfield6 0:a84461e6d5d9 49 inline bool Nav_Switch::fire()
abrumfield6 0:a84461e6d5d9 50 {
abrumfield6 0:a84461e6d5d9 51 return !(_pins[4]);
abrumfield6 0:a84461e6d5d9 52 }
abrumfield6 0:a84461e6d5d9 53 inline int Nav_Switch::read()
abrumfield6 0:a84461e6d5d9 54 {
abrumfield6 0:a84461e6d5d9 55 return _pins.read();
abrumfield6 0:a84461e6d5d9 56 }
abrumfield6 0:a84461e6d5d9 57 inline Nav_Switch::operator int ()
abrumfield6 0:a84461e6d5d9 58 {
abrumfield6 0:a84461e6d5d9 59 return _pins.read();
abrumfield6 0:a84461e6d5d9 60 }
abrumfield6 0:a84461e6d5d9 61
abrumfield6 0:a84461e6d5d9 62 Nav_Switch myNav(p21, p22, p23, p24,p25); //pin order on Sparkfun breakout
abrumfield6 0:a84461e6d5d9 63
abrumfield6 0:a84461e6d5d9 64 int main()
abrumfield6 0:a84461e6d5d9 65 {
abrumfield6 0:a84461e6d5d9 66 while(1) {
abrumfield6 0:a84461e6d5d9 67
abrumfield6 0:a84461e6d5d9 68 if
abrumfield6 0:a84461e6d5d9 69 //with pullups a button hit is a "0" - "~" inverts data to leds
abrumfield6 0:a84461e6d5d9 70 mbedleds = ~(myNav & 0x0F); //update leds with nav switch direction inputs
abrumfield6 0:a84461e6d5d9 71 if(myNav.fire()) mbedleds = 0x0F; //special all leds on case for fire (center button)
abrumfield6 0:a84461e6d5d9 72
abrumfield6 0:a84461e6d5d9 73 thread::wait(200);
abrumfield6 0:a84461e6d5d9 74 }
abrumfield6 0:a84461e6d5d9 75 }
abrumfield6 0:a84461e6d5d9 76