Rev | Line | |
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[2] | 1 | #ifdef VHDL |
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| 2 | |
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| 3 | /* |
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| 4 | * $Id$ |
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| 5 | * |
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| 6 | * [ Description ] |
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| 7 | * |
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| 8 | */ |
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| 9 | |
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| 10 | #include <math.h> |
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| 11 | #include "Behavioural/include/Vhdl.h" |
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| 12 | |
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| 13 | namespace morpheo { |
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| 14 | namespace behavioural { |
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| 15 | |
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| 16 | string std_logic (uint32_t size) |
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| 17 | { |
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| 18 | string type; |
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| 19 | |
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| 20 | if (size == 1) |
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| 21 | type = "std_logic"; |
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| 22 | else |
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| 23 | type = "std_logic_vector(" + toString(size-1) + " downto 0)"; |
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| 24 | |
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| 25 | return type; |
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| 26 | }; |
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| 27 | |
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| 28 | string std_logic_conv (uint32_t size, string value) |
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| 29 | { |
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| 30 | string conv; |
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| 31 | |
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| 32 | if (size == 1) |
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| 33 | conv = "'"+toString(value)+"'"; |
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| 34 | else |
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| 35 | conv = "conv_std_logic_vector("+value+","+toString(size)+")"; |
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| 36 | |
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| 37 | return conv; |
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| 38 | }; |
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| 39 | |
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| 40 | string std_logic_conv (uint32_t size, uint32_t value) |
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| 41 | { |
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| 42 | return std_logic_conv(size,toString(value)); |
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| 43 | }; |
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| 44 | |
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| 45 | string std_logic_range (uint32_t max, uint32_t min) |
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| 46 | { |
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| 47 | string type; |
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| 48 | |
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| 49 | if (max == min) |
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| 50 | type = "("+toString(max)+")"; |
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| 51 | else |
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| 52 | type = "("+toString(max)+" downto "+toString(min)+")"; |
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| 53 | |
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| 54 | return type; |
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| 55 | }; |
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| 56 | |
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| 57 | string std_logic_range (uint32_t size) |
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| 58 | { |
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| 59 | return std_logic_range(size-1,0); |
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| 60 | } |
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| 61 | |
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| 62 | string std_logic_others (uint32_t size, uint32_t cst ) |
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| 63 | { |
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| 64 | if (size < 2) |
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| 65 | return "'"+toString(cst)+"'"; |
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| 66 | else |
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| 67 | return "(others => '"+toString(cst)+"')"; |
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| 68 | } |
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| 69 | }; // end namespace behavioural |
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| 70 | }; // end namespace morpheo |
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| 71 | |
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| 72 | #endif |
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