[142] | 1 | ---------------------------------------------------------------------------- |
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| 2 | -- Copyright (c) 1996, Ben Cohen. All rights reserved. |
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| 3 | -- This model can be used in conjunction with the Kluwer Academic books |
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| 4 | -- "VHDL Coding Styles and Methodologies", ISBN: 0-7923-9598-0 |
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| 5 | -- "VHDL Amswers to Frequently Asked Questions", ISBN 0-7923-9791-6 |
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| 6 | -- Web page: http://members.aol.com/vhdlcohen/vhdl |
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| 7 | -- email: vhdlcohen@aol.com |
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| 8 | -- |
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| 9 | -- This source file for the image package |
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| 10 | -- may be used and distributed without restriction provided |
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| 11 | -- that this copyright statement is not removed from the file |
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| 12 | -- and that any derivative work contains this copyright notice. |
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| 13 | ------------------------------------------------------------------------------- |
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| 14 | library IEEE; |
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| 15 | use IEEE.Std_Logic_1164.all; |
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| 16 | use IEEE.Std_Logic_TextIO.all; |
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| 17 | use IEEE.Std_Logic_Arith.all; |
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| 18 | |
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| 19 | library Std; |
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| 20 | use STD.TextIO.all; |
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| 21 | |
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| 22 | package Image_Pkg is |
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| 23 | function Image(In_Image : Time) return String; |
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| 24 | function Image(In_Image : Bit) return String; |
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| 25 | function Image(In_Image : Bit_Vector) return String; |
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| 26 | function Image(In_Image : Integer) return String; |
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| 27 | function Image(In_Image : Real) return String; |
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| 28 | function Image(In_Image : Std_uLogic) return String; |
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| 29 | function Image(In_Image : Std_uLogic_Vector) return String; |
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| 30 | function Image(In_Image : Std_Logic_Vector) return String; |
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| 31 | function Image(In_Image : Signed) return String; |
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| 32 | function Image(In_Image : UnSigned) return String; |
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| 33 | |
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| 34 | end Image_Pkg; |
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| 35 | |
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| 36 | package body Image_Pkg is |
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| 37 | function Image(In_Image : Time) return String is |
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| 38 | variable L : Line; -- access type |
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| 39 | variable W : String(1 to 25) := (others => ' '); |
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| 40 | -- Long enough to hold a time string |
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| 41 | begin |
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| 42 | -- the WRITE procedure creates an object with "NEW". |
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| 43 | -- L is passed as an output of the procedure. |
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| 44 | Std.TextIO.WRITE(L, in_image); |
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| 45 | -- Copy L.all onto W |
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| 46 | W(L.all'range) := L.all; |
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| 47 | Deallocate(L); |
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| 48 | return W; |
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| 49 | end Image; |
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| 50 | |
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| 51 | function Image(In_Image : Bit) return String is |
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| 52 | variable L : Line; -- access type |
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| 53 | variable W : String(1 to 3) := (others => ' '); |
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| 54 | begin |
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| 55 | Std.TextIO.WRITE(L, in_image); |
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| 56 | W(L.all'range) := L.all; |
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| 57 | Deallocate(L); |
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| 58 | return W; |
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| 59 | end Image; |
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| 60 | |
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| 61 | function Image(In_Image : Bit_Vector) return String is |
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| 62 | variable L : Line; -- access type |
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| 63 | variable W : String(1 to In_Image'length) := (others => ' '); |
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| 64 | begin |
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| 65 | Std.TextIO.WRITE(L, in_image); |
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| 66 | W(L.all'range) := L.all; |
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| 67 | Deallocate(L); |
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| 68 | return W; |
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| 69 | end Image; |
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| 70 | |
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| 71 | function Image(In_Image : Integer) return String is |
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| 72 | variable L : Line; -- access type |
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| 73 | variable W : String(1 to 32) := (others => ' '); |
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| 74 | -- Long enough to hold a time string |
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| 75 | begin |
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| 76 | Std.TextIO.WRITE(L, in_image); |
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| 77 | W(L.all'range) := L.all; |
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| 78 | Deallocate(L); |
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| 79 | return W; |
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| 80 | end Image; |
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| 81 | |
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| 82 | function Image(In_Image : Real) return String is |
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| 83 | variable L : Line; -- access type |
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| 84 | variable W : String(1 to 32) := (others => ' '); |
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| 85 | -- Long enough to hold a time string |
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| 86 | begin |
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| 87 | Std.TextIO.WRITE(L, in_image); |
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| 88 | W(L.all'range) := L.all; |
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| 89 | Deallocate(L); |
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| 90 | return W; |
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| 91 | end Image; |
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| 92 | |
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| 93 | function Image(In_Image : Std_uLogic) return String is |
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| 94 | variable L : Line; -- access type |
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| 95 | variable W : String(1 to 3) := (others => ' '); |
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| 96 | begin |
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| 97 | IEEE.Std_Logic_Textio.WRITE(L, in_image); |
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| 98 | W(L.all'range) := L.all; |
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| 99 | Deallocate(L); |
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| 100 | return W; |
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| 101 | end Image; |
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| 102 | |
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| 103 | function Image(In_Image : Std_uLogic_Vector) return String is |
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| 104 | variable L : Line; -- access type |
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| 105 | variable W : String(1 to In_Image'length) := (others => ' '); |
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| 106 | begin |
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| 107 | IEEE.Std_Logic_Textio.WRITE(L, in_image); |
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| 108 | W(L.all'range) := L.all; |
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| 109 | Deallocate(L); |
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| 110 | return W; |
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| 111 | end Image; |
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| 112 | |
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| 113 | function Image(In_Image : Std_Logic_Vector) return String is |
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| 114 | variable L : Line; -- access type |
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| 115 | variable W : String(1 to In_Image'length) := (others => ' '); |
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| 116 | begin |
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| 117 | IEEE.Std_Logic_TextIO.WRITE(L, In_Image); |
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| 118 | W(L.all'range) := L.all; |
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| 119 | Deallocate(L); |
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| 120 | return W; |
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| 121 | end Image; |
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| 122 | |
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| 123 | function Image(In_Image : Signed) return String is |
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| 124 | begin |
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| 125 | return Image(Std_Logic_Vector(In_Image)); |
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| 126 | end Image; |
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| 127 | |
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| 128 | function Image(In_Image : UnSigned) return String is |
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| 129 | begin |
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| 130 | return Image(Std_Logic_Vector(In_Image)); |
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| 131 | end Image; |
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| 132 | |
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| 133 | end Image_Pkg; |
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| 134 | |
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