C # 16 binary and BCD code conversion codes

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2. Private Static byte[] ConvertFrom (string strtemp)
4. {
6. Try
8. {
10. if (Convert.toboolean (Strtemp.length & 1))//Digital binary code The last 1 bits are 1 is an odd number
12. {
14. strtemp = "0" + strtemp; 0 in front of odd digits
16. }
18. byte[] arytemp = new BYTE[STRTEMP.LENGTH/2];
20. For (int i = 0; i < (STRTEMP.LENGTH/2); i++)
22. {
24. Arytemp[i] = (Byte) (((Strtemp[i * 2]- ' 0 ') << 4) |  (Strtemp[i * 2 + 1]- ' 0 '));
26. }
28. return arytemp; //High in front
30. }
32. Catch
34. { return null;}
36. }
38. // <summary>
40. ///BCD Conversion 16 binary (compressed BCD)
42. // </summary>
44. /// <param name= "strtemp" ></param>
46. // <returns></returns>
48. public Static byte[] ConvertFrom (string strtemp, int intlen)
50. {
52. Try
54. {
56. byte[] Temp = ConvertFrom (Strtemp.trim ());
58. byte[] Return_byte = new Byte[intlen];
60. if (Intlen! = 0)
62. {
64. if (Temp.length < Intlen)
66. {
68. For (int i = 0; i < intlen-temp.length; i++)
70. {
72. Return_byte[i] = 0x00;
74. }
76. }
78. Array.copy (Temp, 0, Return_byte, Intlen-temp.length, temp.length);
80. return return_byte;
82. }
84. Else
86. {
88. return Temp;
90. }
92. }
94. Catch
96. { return null;}
98. }
100. // <summary>
102. ///16 Binary conversion BCD (unzip BCD)
104. // </summary>
106. /// <param name= "AData" ></param>
108. // <returns></returns>
110. public static string ConvertTo (byte[] AData)
112. {
114. Try
116. {
118. StringBuilder sb = new StringBuilder (Adata.length * 2);
120. foreach (Byte b in AData)
122. {
124. Sb. Append (b >> 4);
126. Sb. Append (b & 0x0f);
128. }
130. return SB.  ToString ();
132. }
134. Catch { return null;}
136. }

C # 16 binary and BCD code conversion codes