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 
00006 #include "hardware.h"
00007 
00008 // We need to actually instantiate all of the globals (i.e. declare them once
00009 // without the extern keyword). That's what this file does!
00010 
00011 // Hardware initialization: Instantiate all the things!
00012 uLCD_4DGL uLCD(p9,p10,p11);             // LCD Screen (tx, rx, reset)
00013 //SDFileSystem sd(p5, p6, p7, p8, "sd");  // SD Card(mosi, miso, sck, cs)
00014 Serial pc(USBTX,USBRX);                 // USB Console (tx, rx)
00015 MMA8452 acc(p28, p27, 100000);        // Accelerometer (sda, sdc, rate)
00016 DigitalIn button1(p21);                 // Pushbuttons (pin)
00017 DigitalIn button2(p22);
00018 DigitalIn button3(p23);
00019 AnalogOut DACout(p18);                  // Speaker (pin)
00020 PwmOut speaker(p26);
00021 wave_player waver(&DACout);
00022 
00023 // Some hardware also needs to have functions called before it will set up
00024 // properly. Do that here.
00025 int hardware_init()
00026 {
00027     // Crank up the speed
00028     uLCD.baudrate(3000000);
00029     pc.baud(115200);
00030         
00031     //Initialize pushbuttons
00032     button1.mode(PullUp); 
00033     button2.mode(PullUp);
00034     button3.mode(PullUp);
00035     
00036     return ERROR_NONE;
00037 }
00038 
00039 GameInputs read_inputs() 
00040 {
00041     GameInputs in;
00042     in.b1 = !button1;
00043     in.b2 = !button2;
00044     in.b3 = !button3;
00045     acc.readXYZGravity(&in.ax,&in.ay,&in.az);
00046     return in;
00047 }