Diff: main.cpp

Revision:

3:1883ea70d247

Parent:

2:98f6cc48ca3a

Child:

4:9fefb9f18f08

--- a/main.cpp	Fri Dec 11 06:47:03 2020 +0000
+++ b/main.cpp	Wed Dec 23 06:51:02 2020 +0000
@@ -2,23 +2,34 @@
 
 Serial pc(SERIAL_TX, SERIAL_RX);
 Serial device(PA_9,PA_10);
-int main()
+ 
+int main(void)
 {
-
-    while(1) {
-        char c = device.getc();
-
-        if(c == 0x7A) {
-             pc.printf("%02hhx \n",c);
-             if(device.getc() == 0x7A) {
-             pc.printf("%02hhx \n",c);
-           
-        } else if(c == 0x79) {
-            pc.printf("%02hhx \n",c);
-        }
-    }
+  /* 変数の宣言 */
+  int i;
+  int decimal = 14;
+  int binary[7]={0};
+ 
+  /* 10進数の入力 
+  printf("10進数 = ");
+  scanf("%d", &decimal);*/
+ 
+  /* 10進数→2進数の変換 */
+  for(i=0;decimal>0;i++){
+    binary[i] = decimal % 2;
+    decimal = decimal / 2;
+  }
+ 
+  /* 2進数の出力 */
+  printf(" 2進数 = ");
+  int k = 8;
+  while( k>0 ){
+    printf("%d", binary[--k]);
+  }
+  printf("\n");
+ 
+  return 0;
 }
 
-
  
  
\ No newline at end of file