hardware.cpp

00001 // This header has all the (extern) declarations of the globals.
00002 // "extern" means "this is instantiated somewhere, but here's what the name
00003 // means.
00004 #include "globals.h"
00005 #include "hardware.h"
00006 
00007 // We need to actually instantiate all of the globals (i.e. declare them once
00008 // without the extern keyword). That's what this file does!
00009 
00010 // Hardware initialization: Instantiate all the things!
00011 //uLCD_4DGL uLCD(p9,p10,p11);             // LCD Screen (tx, rx, reset)
00012 //SDFileSystem sd(p5, p6, p7, p8, "sd");  // SD Card(mosi, miso, sck, cs)
00013 Serial pc(USBTX,USBRX);                 // USB Console (tx, rx)
00014 //MMA8452 acc(p28, p27, 100000);        // Accelerometer (sda, sdc, rate)
00015 DigitalIn button1(p8);                 // Pushbuttons (pin)
00016 //DigitalIn button2(p22);
00017 //DigitalIn button3(p23);
00018 //DigitalIn button4(p24);
00019 AnalogOut DACout(p18);                  // Speaker (pin)
00020 PwmOut speaker(p26);
00021 //wave_player waver(&DACout);
00022 
00023 
00024 // Some hardware also needs to have functions called before it will set up
00025 // properly. Do that here.
00026 int hardware_init()
00027 {
00028     // Crank up the speed
00029     //uLCD.baudrate(1500000);
00030     pc.baud(115200);
00031     
00032     //Initialize pushbuttons
00033     button1.mode(PullUp); 
00034     //button2.mode(PullUp);
00035     //button3.mode(PullUp);
00036     //button4.mode(PullUp);
00037     
00038     // initialize the accelerometer 
00039   //  acc.activate();
00040     
00041     return ERROR_NONE;
00042 }
00043 
00044 UserInputs read_inputs() 
00045 {
00046     UserInputs inputs;                  // creates the struct for the game inputs 
00047     
00048     inputs.b1 = button1.read();               // give a value to button 1 
00049     //inputs.b2 = button2;                // give a value to button 2
00050     //inputs.b3 = button3;                // give a value to button 3
00051     //inputs.b4 = button4;                // give a value to button 4
00052     
00053     /*acc.readXGravity(&inputs.ax);       // give a value to x axis 
00054     acc.readYGravity(&inputs.ay);       // give a value to y axis
00055     acc.readZGravity(&inputs.az);       // give a value to z axis
00056      */
00057     return inputs;
00058 }
00059