Diff: hardware.cpp

Revision:

0:24041b847eb5

diff -r 000000000000 -r 24041b847eb5 hardware.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hardware.cpp	Wed Nov 25 04:25:25 2020 +0000
@@ -0,0 +1,69 @@
+// Copyright 2020 Georgia Tech.  All rights reserved.
+// The materials provided by the instructor in this course are for
+// the use of the students currently enrolled in the course.
+// Copyrighted course materials may not be further disseminated.
+// This file must not be made publicly available anywhere.
+
+// This header has all the (extern) declarations of the globals.
+// "extern" means "this is instantiated somewhere, but here's what the name
+// means.
+#include "globals.h"
+
+#include "hardware.h"
+#include "Speaker.h"
+// We need to actually instantiate all of the globals (i.e. declare them once
+// without the extern keyword). That's what this file does!
+
+// Hardware initialization: Instantiate all the things!
+uLCD_4DGL uLCD(p9,p10,p11);             // LCD Screen (tx, rx, reset)
+//SDFileSystem sd(p5, p6, p7, p8, "sd");  // SD Card(mosi, miso, sck, cs)
+Serial pc(USBTX,USBRX);                 // USB Console (tx, rx)
+MMA8452 acc(p28, p27, 100000);        // Accelerometer (sda, sdc, rate)
+DigitalIn button1(p21);                 // Pushbuttons (pin)
+DigitalIn button2(p22);
+DigitalIn button3(p23);
+AnalogOut DACout(p18);                  // Speaker (pin)
+PwmOut speaker(p26);
+wave_player waver(&DACout);
+
+
+// Some hardware also needs to have functions called before it will set up
+// properly. Do that here.
+
+int hardware_init()
+{
+    // Crank up the speed
+    uLCD.baudrate(3000000);
+    pc.baud(115200);
+        
+    //Initialize pushbuttons
+    button1.mode(PullUp); 
+    button2.mode(PullUp);
+    button3.mode(PullUp);
+    
+    return ERROR_NONE;
+}
+
+// Implement this function.
+// HINT: lookup your accelerometer under mbed site > Hardware> Components
+// and look at demo code
+GameInputs read_inputs() 
+{
+    GameInputs in;
+
+    // Read the values and store them in in
+    //tilting board left = -x
+    //tilting board down towards table = +y
+
+    in.b1 = button3; //top button on breadboard is  connected to p23
+    in.b2 = button2; //middle button on breadboard is  connected to p22
+    in.b3 = button1; //bottom button ob breadboard is  connected to p21
+    
+    acc.readXGravity(&in.ax);
+    acc.readYGravity(&in.ay);
+    acc.readZGravity(&in.az);
+    
+    //pc.printf("xAccel: %f   yAccel: %f   zAccel: %f\n",in.ax,in.ay,in.az);
+    return in;
+}
+