main.cpp

00001 #include "mbed.h"
00002 #include "Pulse.h"
00003 
00004 DigitalIn y(p10);
00005 Serial pc(USBTX, USBRX);
00006 Serial device (p9,p10);
00007 PulseInOut pingX = PulseInOut(p9);
00008  
00009 int main() {
00010     device.baud(9600);
00011     Timer tmr;
00012 
00013     while(1){     
00014         double durationX = pingX.read_high_us();
00015         
00016         double accX = ((durationX / 10) - 500) * 8;
00017         pc.printf("%d",accX);
00018     }
00019     /*int pulseX = x;
00020     int pulseY = y;
00021     // variables to contain the resulting accelerations
00022     int accX, accY;
00023     
00024   
00025      // convert the pulse width into acceleration
00026     // accelerationX and accelerationY are in milli-g's: 
00027     // earth's gravity is 1000 milli-g's, or 1g.
00028     accX = ((pulseX / 10) - 500) * 8;
00029     accY = ((pulseY / 10) - 500) * 8;
00030 
00031     // print the acceleration
00032     pc.printf("%d",accX);
00033     // print a tab character:
00034     pc.printf("\t");
00035     pc.printf("%d",accY);*/
00036 }