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ECE 4180 Lab 1 Part 5
Fork of USBMouse_NavSwitch by
main.cpp@6:c551172c6687, 2018-10-09 (annotated)
- Committer:
- abraha2d
- Date:
- Tue Oct 09 00:34:18 2018 +0000
- Revision:
- 6:c551172c6687
- Parent:
- 5:679a07e00e4c
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Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
samux | 2:e7b766501add | 1 | #include "mbed.h" |
samux | 2:e7b766501add | 2 | #include "USBMouse.h" |
4180_1 | 5:679a07e00e4c | 3 | //USB mouse demo using a 5-way Navigation Switch (Digital Joystick) |
4180_1 | 5:679a07e00e4c | 4 | //Needs USB connector breakout with D+, D-, and Gnd to mbed LLP1768 |
samux | 2:e7b766501add | 5 | USBMouse mouse; |
samux | 2:e7b766501add | 6 | |
4180_1 | 5:679a07e00e4c | 7 | class Nav_Switch |
4180_1 | 5:679a07e00e4c | 8 | { |
4180_1 | 5:679a07e00e4c | 9 | public: |
4180_1 | 5:679a07e00e4c | 10 | Nav_Switch(PinName up,PinName down,PinName left,PinName right,PinName fire); |
4180_1 | 5:679a07e00e4c | 11 | int read(); |
4180_1 | 5:679a07e00e4c | 12 | //boolean functions to test each switch |
4180_1 | 5:679a07e00e4c | 13 | bool up(); |
4180_1 | 5:679a07e00e4c | 14 | bool down(); |
4180_1 | 5:679a07e00e4c | 15 | bool left(); |
4180_1 | 5:679a07e00e4c | 16 | bool right(); |
4180_1 | 5:679a07e00e4c | 17 | bool fire(); |
4180_1 | 5:679a07e00e4c | 18 | //automatic read on RHS |
4180_1 | 5:679a07e00e4c | 19 | operator int (); |
4180_1 | 5:679a07e00e4c | 20 | //index to any switch array style |
4180_1 | 5:679a07e00e4c | 21 | bool operator[](int index) { |
4180_1 | 5:679a07e00e4c | 22 | return _pins[index]; |
4180_1 | 5:679a07e00e4c | 23 | }; |
4180_1 | 5:679a07e00e4c | 24 | private: |
4180_1 | 5:679a07e00e4c | 25 | BusIn _pins; |
4180_1 | 5:679a07e00e4c | 26 | |
4180_1 | 5:679a07e00e4c | 27 | }; |
4180_1 | 5:679a07e00e4c | 28 | Nav_Switch::Nav_Switch (PinName up,PinName down,PinName left,PinName right,PinName fire): |
4180_1 | 5:679a07e00e4c | 29 | _pins(up, down, left, right, fire) |
4180_1 | 5:679a07e00e4c | 30 | { |
4180_1 | 5:679a07e00e4c | 31 | _pins.mode(PullUp); //needed if pullups not on board or a bare nav switch is used - delete otherwise |
4180_1 | 5:679a07e00e4c | 32 | wait(0.001); //delays just a bit for pullups to pull inputs high |
4180_1 | 5:679a07e00e4c | 33 | } |
4180_1 | 5:679a07e00e4c | 34 | inline bool Nav_Switch::up() |
4180_1 | 5:679a07e00e4c | 35 | { |
4180_1 | 5:679a07e00e4c | 36 | return !(_pins[0]); |
4180_1 | 5:679a07e00e4c | 37 | } |
4180_1 | 5:679a07e00e4c | 38 | inline bool Nav_Switch::down() |
4180_1 | 5:679a07e00e4c | 39 | { |
4180_1 | 5:679a07e00e4c | 40 | return !(_pins[1]); |
4180_1 | 5:679a07e00e4c | 41 | } |
4180_1 | 5:679a07e00e4c | 42 | inline bool Nav_Switch::left() |
4180_1 | 5:679a07e00e4c | 43 | { |
4180_1 | 5:679a07e00e4c | 44 | return !(_pins[2]); |
4180_1 | 5:679a07e00e4c | 45 | } |
4180_1 | 5:679a07e00e4c | 46 | inline bool Nav_Switch::right() |
4180_1 | 5:679a07e00e4c | 47 | { |
4180_1 | 5:679a07e00e4c | 48 | return !(_pins[3]); |
4180_1 | 5:679a07e00e4c | 49 | } |
4180_1 | 5:679a07e00e4c | 50 | inline bool Nav_Switch::fire() |
4180_1 | 5:679a07e00e4c | 51 | { |
4180_1 | 5:679a07e00e4c | 52 | return !(_pins[4]); |
4180_1 | 5:679a07e00e4c | 53 | } |
4180_1 | 5:679a07e00e4c | 54 | inline int Nav_Switch::read() |
4180_1 | 5:679a07e00e4c | 55 | { |
4180_1 | 5:679a07e00e4c | 56 | return _pins.read(); |
4180_1 | 5:679a07e00e4c | 57 | } |
4180_1 | 5:679a07e00e4c | 58 | inline Nav_Switch::operator int () |
4180_1 | 5:679a07e00e4c | 59 | { |
4180_1 | 5:679a07e00e4c | 60 | return _pins.read(); |
4180_1 | 5:679a07e00e4c | 61 | } |
4180_1 | 5:679a07e00e4c | 62 | |
4180_1 | 5:679a07e00e4c | 63 | Nav_Switch myNav( p9, p6, p7, p5, p8); //pin order on Sparkfun Nav SW breakout |
4180_1 | 5:679a07e00e4c | 64 | |
4180_1 | 5:679a07e00e4c | 65 | int main() |
4180_1 | 5:679a07e00e4c | 66 | { |
samux | 2:e7b766501add | 67 | int16_t x = 0; |
samux | 2:e7b766501add | 68 | int16_t y = 0; |
4180_1 | 5:679a07e00e4c | 69 | uint8_t left_click = 0; |
samux | 2:e7b766501add | 70 | while (1) { |
4180_1 | 5:679a07e00e4c | 71 | //check relative mouse movement |
4180_1 | 5:679a07e00e4c | 72 | x=0; |
4180_1 | 5:679a07e00e4c | 73 | y=0; |
4180_1 | 5:679a07e00e4c | 74 | if (myNav.up()) x=-1; |
4180_1 | 5:679a07e00e4c | 75 | if (myNav.down()) x=1; |
4180_1 | 5:679a07e00e4c | 76 | if (myNav.left()) y=1; |
4180_1 | 5:679a07e00e4c | 77 | if (myNav.right()) y=-1; |
4180_1 | 5:679a07e00e4c | 78 | //check mouse left button click |
4180_1 | 5:679a07e00e4c | 79 | if (myNav.fire()) left_click = 1; |
4180_1 | 5:679a07e00e4c | 80 | if (!myNav.fire())left_click = 0; |
4180_1 | 5:679a07e00e4c | 81 | //send a mouse data packet to PC |
4180_1 | 5:679a07e00e4c | 82 | mouse.update(x, y, left_click, 0); |
samux | 2:e7b766501add | 83 | wait(0.001); |
samux | 2:e7b766501add | 84 | } |
samux | 0:48fd0c31cef5 | 85 | } |