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  1. #include <stdio.h>
  2.  
  3. volatile union{
  4.         unsigned char Table_ALL[2];
  5.         union {
  6.                 unsigned char Byte ;
  7.                 struct {
  8.                         unsigned char C1_1:1;
  9.                         unsigned char C1_2:1;
  10.                         unsigned char C1_3:1;
  11.                         unsigned char C1_4:1;
  12.                         unsigned char C1_5:1;
  13.                         unsigned char C1_6:1;
  14.                         unsigned char C1_7:1;
  15.                         unsigned char C1_8:1;
  16.                 }BIT;
  17.         } S1_C1;
  18.  
  19.         union {
  20.                 unsigned char Byte ;
  21.                 struct {
  22.                         unsigned char C2_1:1;
  23.                         unsigned char C2_2:1;
  24.                         unsigned char C2_3:1;
  25.                         unsigned char C2_4:1;
  26.                         unsigned char C2_5:1;
  27.                         unsigned char C2_6:1;
  28.                         unsigned char C2_7:1;
  29.                         unsigned char C2_8:1;
  30.                 }BIT;
  31.         } S1_C2;
  32. }Table;
  33.  
  34.  
  35. int main(void) {
  36. 	// your code goes here
  37. 	printf("Table_ALL[0] = %d\n", Table.Table_ALL[0]);
  38. 	printf("Table_ALL[1] = %d\n", Table.Table_ALL[1]);
  39.  
  40. 	printf("Write 1 to S1_C1.Byte\n");
  41. 	Table.S1_C1.Byte = 1;
  42. 	printf("S1_C1.Byte = %d\n", Table.S1_C1.Byte);
  43. 	printf("S1_C2.Byte = %d\n", Table.S1_C2.Byte);
  44.  
  45. 	printf("Table_ALL[0] = %d\n", Table.Table_ALL[0]);
  46. 	printf("Table_ALL[1] = %d\n", Table.Table_ALL[1]);
  47.  
  48. 	printf("Write 2 to S1_C2.Byte\n");
  49. 	Table.S1_C2.Byte = 2;
  50. 	printf("S1_C1.Byte = %d\n", Table.S1_C1.Byte);
  51. 	printf("S1_C2.Byte = %d\n", Table.S1_C2.Byte);
  52.  
  53. 	printf("Table_ALL[0] = %d\n", Table.Table_ALL[0]);
  54. 	printf("Table_ALL[1] = %d\n", Table.Table_ALL[1]);
  55. 	return 0;
  56. }
  57.  
Success #stdin #stdout 0s 4408KB
comments (?)
stdin 
Standard input is empty
stdout 
Table_ALL[0] = 0
Table_ALL[1] = 0
Write 1 to S1_C1.Byte
S1_C1.Byte = 1
S1_C2.Byte = 1
Table_ALL[0] = 1
Table_ALL[1] = 0
Write 2 to S1_C2.Byte
S1_C1.Byte = 2
S1_C2.Byte = 2
Table_ALL[0] = 2
Table_ALL[1] = 0
https://ideone.com/5mUcus
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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