单片机C语言的十六进制（HEX）转BCD码程序

tiankai001

单片机C语言的十六进制（HEX）转BCD码程序 [复制链接]

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说明：本程序分别列举了单字节HEX码转换为BCD型数据；2字节HEX码转换为BCD型数据；4字节HEX码转换为BCD型数据的的方法。

1. void HEXtoBCDData(void)
   
2. 
   
3. {
   
4. 
   
5. unsigned char ucHEXdata[10] = {0},ucBCDdata[10] = {0};
   
6. 
   
7. unsigned int uiHEXdata = 0;
   
8. 
   
9. unsigned long int ulHEXdata = 0;
   
10. 
    
11. 
    
12. //[color=#00ff][size=4]单字节HEX码转换为BCD型数据[/size][/color]
    
13. ucHEXdata[0] = 0x63; //十进制为99
    
14. 
    
15. ucBCDdata[0] = (ucHEXdata[0]/10)*0x10 + (ucHEXdata[0]%10);
    
16. 
    
17. 
    
18. 
    
19. //ucBCDdata[0]=99
    
20. 
    
21. ucHEXdata[0] = 0xf5; //十进制为245
    
22. 
    
23. ucHEXdata[1] = ucHEXdata[0]/100;
    
24. 
    
25. ucHEXdata[2] = ucHEXdata[0]%100;
    
26. 
    
27. ucBCDdata[0] = ucHEXdata[1];
    
28. 
    
29. ucBCDdata[1] = (ucHEXdata[2]/10)*0x10 + (ucHEXdata[2]%10);
    
30. 
    
31. //ucBCDdata[1]=2,ucBCDdata[0]=45
    
32. 
    
33. 
    
34. //[color=#00ff][size=4]2字节HEX码转换为BCD型数据[/size][/color]
    
35. 
    
36. uiHEXdata = 0xfff5; //十进制为65525
    
37. 
    
38. ucHEXdata[1] = uiHEXdata%100;
    
39. 
    
40. ucBCDdata[0] = (ucHEXdata[1]/10)*0x10 + (ucHEXdata[1]%10);
    
41. 
    
42. uiHEXdata = uiHEXdata/100;
    
43. 
    
44. ucHEXdata[2] = uiHEXdata%100;
    
45. 
    
46. ucBCDdata[1] = (ucHEXdata[2]/10)*0x10 + (ucHEXdata[2]%10);
    
47. 
    
48. uiHEXdata = uiHEXdata/100;
    
49. 
    
50. ucHEXdata[3] = uiHEXdata%100;
    
51. 
    
52. ucBCDdata[2] = (ucHEXdata[3]/10)*0x10 + (ucHEXdata[3]%10);
    
53. 
    
54. //ucBCDdata[2]=6,ucBCDdata[1]=55,ucBCDdata[0]=25
    
55. 
    
56. 
    
57. //[color=#00ff][size=4]4字节HEX码转换为BCD型数据[/size][/color]
    
58. 
    
59. ulHEXdata = 0xfffffff5; //十进制为4294967285
    
60. 
    
61. ucHEXdata[1] = ulHEXdata%100;
    
62. 
    
63. ucBCDdata[0] = (ucHEXdata[1]/10)*0x10 + (ucHEXdata[1]%10);
    
64. 
    
65. ulHEXdata = ulHEXdata/100;
    
66. 
    
67. ucHEXdata[2] = ulHEXdata%100;
    
68. 
    
69. ucBCDdata[1] = (ucHEXdata[2]/10)*0x10 + (ucHEXdata[2]%10);
    
70. 
    
71. ulHEXdata = ulHEXdata/100;
    
72. 
    
73. ucHEXdata[3] = ulHEXdata%100;
    
74. 
    
75. ucBCDdata[2] = (ucHEXdata[3]/10)*0x10 + (ucHEXdata[3]%10);
    
76. 
    
77. ulHEXdata = ulHEXdata/100;
    
78. 
    
79. ucHEXdata[4] = ulHEXdata%100;
    
80. 
    
81. ucBCDdata[3] = (ucHEXdata[4]/10)*0x10 + (ucHEXdata[4]%10);
    
82. 
    
83. ulHEXdata = ulHEXdata/100;
    
84. 
    
85. ucHEXdata[5] = ulHEXdata%100;
    
86. 
    
87. ucBCDdata[4] = (ucHEXdata[5]/10)*0x10 + (ucHEXdata[5]%10);
    
88. 
    
89. //ucBCDdata[4]=42,ucBCDdata[3]=94,
    
90. 
    
91. //ucBCDdata[2]=96,ucBCDdata[1]=72,ucBCDdata[0]=85
    
92. 
    
93. ulHEXdata = 0xfffffff4; //十进制为42 94 96 72 84
    
94. 
    
95. for(int i=0;i<5;i++)
    
96. 
    
97. {
    
98. 
    
99. ucHEXdata[i]=ulHEXdata%100;
    
100. 
     
101. ulHEXdata=ulHEXdata/100;
     
102. 
     
103. ucBCDdata[i]=(ucHEXdata[i]/10)*0x10+ucHEXdata[i]%10;
     
104. 
     
105. }
     
106. 
     
107. //ucBCDdata[4]=42,ucBCDdata[3]=94,
     
108. 
     
109. //ucBCDdata[2]=96,ucBCDdata[1]=72,ucBCDdata[0]=84
     
110. 
     
111. }

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star_66666

兄弟，不错啊，分享些有用的小程序片段，多谢了，已经拷贝，留着备用了

tiankai001

star_66666 发表于 2018-3-23 13:01
兄弟，不错啊，分享些有用的小程序片段，多谢了，已经拷贝，留着备用了

感谢支持，回头我再分享一些

star_66666

期待啊