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Dependencies: MCP23S17 PinDetect mbed
Nav_Switch.h@0:9dc33481ce1b, 2017-03-01 (annotated)
- Committer:
- jderemer3
- Date:
- Wed Mar 01 16:36:55 2017 +0000
- Revision:
- 0:9dc33481ce1b
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| jderemer3 | 0:9dc33481ce1b | 1 | #include "mbed.h" |
| jderemer3 | 0:9dc33481ce1b | 2 | |
| jderemer3 | 0:9dc33481ce1b | 3 | BusOut mbedleds(LED1,LED2,LED3,LED4); |
| jderemer3 | 0:9dc33481ce1b | 4 | //BusOut/In is faster than multiple DigitalOut/Ins |
| jderemer3 | 0:9dc33481ce1b | 5 | |
| jderemer3 | 0:9dc33481ce1b | 6 | class Nav_Switch |
| jderemer3 | 0:9dc33481ce1b | 7 | { |
| jderemer3 | 0:9dc33481ce1b | 8 | public: |
| jderemer3 | 0:9dc33481ce1b | 9 | Nav_Switch(PinName up,PinName down,PinName left,PinName right,PinName fire); |
| jderemer3 | 0:9dc33481ce1b | 10 | int read(); |
| jderemer3 | 0:9dc33481ce1b | 11 | //boolean functions to test each switch |
| jderemer3 | 0:9dc33481ce1b | 12 | bool up(); |
| jderemer3 | 0:9dc33481ce1b | 13 | bool down(); |
| jderemer3 | 0:9dc33481ce1b | 14 | bool left(); |
| jderemer3 | 0:9dc33481ce1b | 15 | bool right(); |
| jderemer3 | 0:9dc33481ce1b | 16 | bool fire(); |
| jderemer3 | 0:9dc33481ce1b | 17 | //automatic read on RHS |
| jderemer3 | 0:9dc33481ce1b | 18 | operator int (); |
| jderemer3 | 0:9dc33481ce1b | 19 | //index to any switch array style |
| jderemer3 | 0:9dc33481ce1b | 20 | bool operator[](int index) { |
| jderemer3 | 0:9dc33481ce1b | 21 | return _pins[index]; |
| jderemer3 | 0:9dc33481ce1b | 22 | }; |
| jderemer3 | 0:9dc33481ce1b | 23 | private: |
| jderemer3 | 0:9dc33481ce1b | 24 | BusIn _pins; |
| jderemer3 | 0:9dc33481ce1b | 25 | |
| jderemer3 | 0:9dc33481ce1b | 26 | }; |
| jderemer3 | 0:9dc33481ce1b | 27 | Nav_Switch::Nav_Switch (PinName up,PinName down,PinName left,PinName right,PinName fire): |
| jderemer3 | 0:9dc33481ce1b | 28 | _pins(up, down, left, right, fire) |
| jderemer3 | 0:9dc33481ce1b | 29 | { |
| jderemer3 | 0:9dc33481ce1b | 30 | _pins.mode(PullUp); //needed if pullups not on board or a bare nav switch is used - delete otherwise |
| jderemer3 | 0:9dc33481ce1b | 31 | wait(0.001); //delays just a bit for pullups to pull inputs high |
| jderemer3 | 0:9dc33481ce1b | 32 | } |
| jderemer3 | 0:9dc33481ce1b | 33 | inline bool Nav_Switch::up() |
| jderemer3 | 0:9dc33481ce1b | 34 | { |
| jderemer3 | 0:9dc33481ce1b | 35 | return !(_pins[0]); |
| jderemer3 | 0:9dc33481ce1b | 36 | } |
| jderemer3 | 0:9dc33481ce1b | 37 | inline bool Nav_Switch::down() |
| jderemer3 | 0:9dc33481ce1b | 38 | { |
| jderemer3 | 0:9dc33481ce1b | 39 | return !(_pins[1]); |
| jderemer3 | 0:9dc33481ce1b | 40 | } |
| jderemer3 | 0:9dc33481ce1b | 41 | inline bool Nav_Switch::left() |
| jderemer3 | 0:9dc33481ce1b | 42 | { |
| jderemer3 | 0:9dc33481ce1b | 43 | return !(_pins[2]); |
| jderemer3 | 0:9dc33481ce1b | 44 | } |
| jderemer3 | 0:9dc33481ce1b | 45 | inline bool Nav_Switch::right() |
| jderemer3 | 0:9dc33481ce1b | 46 | { |
| jderemer3 | 0:9dc33481ce1b | 47 | return !(_pins[3]); |
| jderemer3 | 0:9dc33481ce1b | 48 | } |
| jderemer3 | 0:9dc33481ce1b | 49 | inline bool Nav_Switch::fire() |
| jderemer3 | 0:9dc33481ce1b | 50 | { |
| jderemer3 | 0:9dc33481ce1b | 51 | return !(_pins[4]); |
| jderemer3 | 0:9dc33481ce1b | 52 | } |
| jderemer3 | 0:9dc33481ce1b | 53 | inline int Nav_Switch::read() |
| jderemer3 | 0:9dc33481ce1b | 54 | { |
| jderemer3 | 0:9dc33481ce1b | 55 | return _pins.read(); |
| jderemer3 | 0:9dc33481ce1b | 56 | } |
| jderemer3 | 0:9dc33481ce1b | 57 | inline Nav_Switch::operator int () |
| jderemer3 | 0:9dc33481ce1b | 58 | { |
| jderemer3 | 0:9dc33481ce1b | 59 | return _pins.read(); |
| jderemer3 | 0:9dc33481ce1b | 60 | } |
| jderemer3 | 0:9dc33481ce1b | 61 | |
| jderemer3 | 0:9dc33481ce1b | 62 | //Nav_Switch myNav( p9, p6, p7, p5, p8); //pin order on Sparkfun breakout |
| jderemer3 | 0:9dc33481ce1b | 63 | |
| jderemer3 | 0:9dc33481ce1b | 64 | //int main() |
| jderemer3 | 0:9dc33481ce1b | 65 | //{ |
| jderemer3 | 0:9dc33481ce1b | 66 | // while(1) { |
| jderemer3 | 0:9dc33481ce1b | 67 | // //with pullups a button hit is a "0" - "~" inverts data to leds |
| jderemer3 | 0:9dc33481ce1b | 68 | // mbedleds = ~(myNav & 0x0F); //update leds with nav switch direction inputs |
| jderemer3 | 0:9dc33481ce1b | 69 | // if(myNav.fire()) mbedleds = 0x0F; //special all leds on case for fire (center button) |
| jderemer3 | 0:9dc33481ce1b | 70 | // //or use - if(myNav[4]==0) mbedleds = 0x0F; //can index a switch bit like this |
| jderemer3 | 0:9dc33481ce1b | 71 | // wait(0.02); |
| jderemer3 | 0:9dc33481ce1b | 72 | // } |
| jderemer3 | 0:9dc33481ce1b | 73 | //} |