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4180 lab 1
Dependencies: mbed MCP23S17 PinDetect USBDevice
mouse_EC.h
- Committer:
- emilywilson
- Date:
- 2020-01-22
- Revision:
- 12:cc5bda248946
File content as of revision 12:cc5bda248946:
#include "mbed.h" #include "USBMouse.h" //USB mouse demo using a 5-way Navigation Switch (Digital Joystick) //Needs USB connector breakout with D+, D-, and Gnd to mbed LLP1768 USBMouse mouse; 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 Nav SW breakout AnalogIn pot(p20); int potPrev = 0; int run_mouseEC() { int16_t x = 0; int16_t y = 0; uint8_t left_click = 0; int relPot = 0; while (1) { //check relative mouse movement x=0; y=0; if (myNav.up()) x=-1; if (myNav.down()) x=1; if (myNav.left()) y=1; if (myNav.right()) y=-1; //check mouse left button click if (myNav.fire()) left_click = 1; if (!myNav.fire())left_click = 0; if (potPrev < pot) { relPot = 1; } else if (potPrev > pot) { relPot = -1; } else { relPot = 0; } potPrev = pot; //send a mouse data packet to PC mouse.update(x, y, left_click, relPot); wait(0.001); } }