ECE 5465 group 6 / Mbed 2 deprecated Project_2

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Dependencies:   mbed

main.cpp@3:b11d25e57ddd, 2019-03-06 (annotated)

Committer:
zonzon14
Date:
Wed Mar 06 15:38:30 2019 +0000
Revision:
3:b11d25e57ddd
Parent:
2:83422444c6e5
Child:
4:050482cd9d95
finished working project2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
zonzon14 0:12c36bcf88f3 1 #include "mbed.h"
zonzon14 0:12c36bcf88f3 2
zonzon14 2:83422444c6e5 3 Timer t1;
zonzon14 3:b11d25e57ddd 4
zonzon14 2:83422444c6e5 5 #define Thumb_mult(d,s) __asm {\
zonzon14 2:83422444c6e5 6 MULS d,s;}
zonzon14 2:83422444c6e5 7 #define Thumb2_mult(d,m,s) __asm {\
zonzon14 3:b11d25e57ddd 8 MULS d,m,s;}
zonzon14 3:b11d25e57ddd 9 #define Thumb_add(d,s) __asm {\
zonzon14 3:b11d25e57ddd 10 ADDS d,s;}
zonzon14 3:b11d25e57ddd 11 #define Thumb2_add(d,n,s) __asm {\
zonzon14 3:b11d25e57ddd 12 ADDS d,n,s;}
zonzon14 2:83422444c6e5 13
zonzon14 0:12c36bcf88f3 14
zonzon14 0:12c36bcf88f3 15 int main() {
zonzon14 2:83422444c6e5 16
zonzon14 2:83422444c6e5 17 register uint32_t r0= 0xA;
zonzon14 2:83422444c6e5 18 register uint32_t r1= 0x3;
zonzon14 2:83422444c6e5 19 register uint32_t r2= 0x0;
zonzon14 2:83422444c6e5 20 t1.start();
zonzon14 2:83422444c6e5 21 Thumb_mult(r1,r0);
zonzon14 2:83422444c6e5 22 t1.stop();
zonzon14 3:b11d25e57ddd 23 printf("the answer is %d\n", r1);
zonzon14 3:b11d25e57ddd 24 printf("The time taken for thumb mult was %f seconds\n", t1.read());
zonzon14 3:b11d25e57ddd 25
zonzon14 3:b11d25e57ddd 26 r1=0x3;
zonzon14 3:b11d25e57ddd 27 t1.start();
zonzon14 2:83422444c6e5 28 Thumb2_mult(r2,r1,r0);
zonzon14 3:b11d25e57ddd 29 t1.stop();
zonzon14 3:b11d25e57ddd 30 printf("the answer is %d\n", r2);
zonzon14 3:b11d25e57ddd 31 printf("The time taken for thumb2 mult was %f seconds\n", t1.read());
zonzon14 3:b11d25e57ddd 32
zonzon14 3:b11d25e57ddd 33 printf("\n");
zonzon14 3:b11d25e57ddd 34 t1.start();
zonzon14 3:b11d25e57ddd 35 Thumb_add(r1,r0);
zonzon14 3:b11d25e57ddd 36 t1.stop();
zonzon14 3:b11d25e57ddd 37 printf("the answer is %d\n", r1);
zonzon14 3:b11d25e57ddd 38 printf("The time taken for thumb add was %f seconds\n", t1.read());
zonzon14 3:b11d25e57ddd 39
zonzon14 3:b11d25e57ddd 40 r1=0x3;
zonzon14 3:b11d25e57ddd 41 t1.start();
zonzon14 3:b11d25e57ddd 42 Thumb2_add(r2,r1,r0);
zonzon14 3:b11d25e57ddd 43 t1.stop();
zonzon14 3:b11d25e57ddd 44 printf("the answer is %d\n", r2);
zonzon14 3:b11d25e57ddd 45 printf("The time taken for thumb2 add was %f seconds\n", t1.read());
zonzon14 3:b11d25e57ddd 46
zonzon14 3:b11d25e57ddd 47
zonzon14 3:b11d25e57ddd 48
zonzon14 2:83422444c6e5 49
zonzon14 2:83422444c6e5 50
zonzon14 2:83422444c6e5 51
zonzon14 0:12c36bcf88f3 52 }