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Dependencies:   mbed

main.cpp@4:9fefb9f18f08, 2020-12-24 (annotated)

Committer:
KINU
Date:
Thu Dec 24 18:04:01 2020 +0000
Revision:
4:9fefb9f18f08
Parent:
3:1883ea70d247
Child:
5:3849b0d9fcf8
kkk

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ryouheitakamoto 0:303ad425d2ac 1 #include "mbed.h"
ryouheitakamoto 0:303ad425d2ac 2
KINU 1:03cb3b25065c 3 Serial pc(SERIAL_TX, SERIAL_RX);
KINU 1:03cb3b25065c 4 Serial device(PA_9,PA_10);
KINU 3:1883ea70d247 5
KINU 3:1883ea70d247 6 int main(void)
KINU 2:98f6cc48ca3a 7 {
KINU 3:1883ea70d247 8 /* 変数の宣言 */
KINU 4:9fefb9f18f08 9 float num = 154.243; //calsatから受け取った10進数のデータ
KINU 4:9fefb9f18f08 10 float n = num * 2 / 19.68; //変換式
KINU 4:9fefb9f18f08 11 int Integer_N = (int)n; //
KINU 4:9fefb9f18f08 12 int Fractional_N = (n - (int)n)*32768;
KINU 3:1883ea70d247 13 int i;
KINU 4:9fefb9f18f08 14 int intbin[7]={0};
KINU 4:9fefb9f18f08 15 int decbin[14]={0};
KINU 4:9fefb9f18f08 16
KINU 3:1883ea70d247 17
KINU 4:9fefb9f18f08 18 /* 小数部 10進数→2進数の変換 */
KINU 4:9fefb9f18f08 19 int intdec = Fractional_N * 100;
KINU 4:9fefb9f18f08 20 for(i=0;intdec>0;i++){
KINU 4:9fefb9f18f08 21 decbin[i] = Fractional_N % 2;
KINU 4:9fefb9f18f08 22 Fractional_N = Fractional_N / 2;
KINU 4:9fefb9f18f08 23 }
KINU 4:9fefb9f18f08 24 /*整数部 10進数→2進数の変換 */
KINU 4:9fefb9f18f08 25 for(i=0;Integer_N >0;i++){
KINU 4:9fefb9f18f08 26 intbin[i] = Integer_N % 2;
KINU 4:9fefb9f18f08 27 Integer_N = Integer_N / 2;
KINU 3:1883ea70d247 28 }
KINU 3:1883ea70d247 29
KINU 3:1883ea70d247 30 /* 2進数の出力 */
KINU 4:9fefb9f18f08 31 printf(" 整数部の2進数 = ");
KINU 3:1883ea70d247 32 int k = 8;
KINU 3:1883ea70d247 33 while( k>0 ){
KINU 4:9fefb9f18f08 34 printf("%d", intbin[--k]);
KINU 4:9fefb9f18f08 35 }
KINU 4:9fefb9f18f08 36 printf("\n");
KINU 4:9fefb9f18f08 37 printf(" 小数部の2進数 = ");
KINU 4:9fefb9f18f08 38 int l = 15;
KINU 4:9fefb9f18f08 39 while( l>0 ){
KINU 4:9fefb9f18f08 40 printf("%d", decbin[--l]);
KINU 3:1883ea70d247 41 }
KINU 3:1883ea70d247 42 printf("\n");
KINU 3:1883ea70d247 43
KINU 3:1883ea70d247 44 return 0;
KINU 2:98f6cc48ca3a 45 }
KINU 2:98f6cc48ca3a 46
KINU 2:98f6cc48ca3a 47
KINU 2:98f6cc48ca3a 48