main.cpp

00001 #include "mbed.h"
00002 #include "dhry.h"
00003 
00004 DigitalOut myled(LED1);
00005 Timer timer;
00006 Serial pc(USBTX, USBRX);  //serial channel over HDK USB interface
00007 
00008 int main() {
00009     double benchtime, dps;
00010     unsigned long loops;
00011     
00012     pc.baud(9600);
00013     printf("Dhrystone Benchmark Program C/1 12/01/84\r\n");
00014     timer.start();
00015     while(1) {
00016         loops = 0l;
00017         myled = 1;
00018         timer.reset();
00019         do {
00020             Proc0();
00021             loops += LOOPS;
00022             benchtime = timer.read();
00023         } while (benchtime <= 60.000);
00024         myled = 0;
00025         dps = (double)loops / benchtime;
00026         printf("Dhrystone time for %ld passes = %.3f sek\r\n", loops, benchtime);
00027         printf("This machine benchmarks at %.0f dhrystones/second\r\n", dps);
00028         
00029         wait(1.0);
00030     }
00031 }