[2] | 1 | #ifdef VHDL |
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| 2 | |
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| 3 | /* |
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| 4 | * $Id: Vhdl_std_logic.cpp 97 2008-12-19 15:34:00Z rosiere $ |
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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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[95] | 12 | #include "Common/include/ToBase2.h" |
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[2] | 13 | |
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| 14 | namespace morpheo { |
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| 15 | namespace behavioural { |
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| 16 | |
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[43] | 17 | #undef FUNCTION |
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| 18 | #define FUNCTION "Vhdl::std_logic" |
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[71] | 19 | std::string std_logic (uint32_t size) |
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[2] | 20 | { |
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[43] | 21 | log_printf(FUNC,Behavioural,FUNCTION,"Begin"); |
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| 22 | |
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[71] | 23 | std::string type; |
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[2] | 24 | |
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| 25 | if (size == 1) |
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| 26 | type = "std_logic"; |
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| 27 | else |
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| 28 | type = "std_logic_vector(" + toString(size-1) + " downto 0)"; |
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| 29 | |
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[43] | 30 | log_printf(FUNC,Behavioural,FUNCTION,"End"); |
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| 31 | |
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[2] | 32 | return type; |
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| 33 | }; |
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| 34 | |
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[43] | 35 | #undef FUNCTION |
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| 36 | #define FUNCTION "Vhdl::std_logic_conv" |
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[71] | 37 | std::string std_logic_conv (uint32_t size, std::string value) |
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[2] | 38 | { |
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[43] | 39 | log_printf(FUNC,Behavioural,FUNCTION,"Begin"); |
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| 40 | |
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[71] | 41 | std::string conv; |
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[2] | 42 | |
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| 43 | if (size == 1) |
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| 44 | conv = "'"+toString(value)+"'"; |
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| 45 | else |
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| 46 | conv = "conv_std_logic_vector("+value+","+toString(size)+")"; |
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| 47 | |
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[43] | 48 | log_printf(FUNC,Behavioural,FUNCTION,"End"); |
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| 49 | |
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[2] | 50 | return conv; |
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| 51 | }; |
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| 52 | |
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[71] | 53 | std::string std_logic_conv (uint32_t size, uint32_t value) |
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[2] | 54 | { |
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[43] | 55 | log_printf(FUNC,Behavioural,FUNCTION,"Begin"); |
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[71] | 56 | std::string _return = std_logic_conv(size,toString(value)); |
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[43] | 57 | log_printf(FUNC,Behavioural,FUNCTION,"End"); |
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| 58 | |
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| 59 | return _return; |
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[2] | 60 | }; |
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| 61 | |
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[43] | 62 | #undef FUNCTION |
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[95] | 63 | #define FUNCTION "Vhdl::std_logic_cst" |
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| 64 | std::string std_logic_cst (uint32_t size, uint32_t value) |
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| 65 | { |
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| 66 | log_printf(FUNC,Behavioural,FUNCTION,"Begin"); |
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| 67 | |
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| 68 | std::string conv; |
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| 69 | |
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| 70 | if (size == 1) |
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| 71 | conv = "'"+toString(value&1)+"'"; |
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| 72 | else |
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| 73 | conv = "\""+toBase2<uint32_t>(value,size)+"\""; |
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| 74 | |
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| 75 | log_printf(FUNC,Behavioural,FUNCTION,"End"); |
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| 76 | |
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| 77 | return conv; |
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| 78 | }; |
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| 79 | |
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| 80 | #undef FUNCTION |
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[43] | 81 | #define FUNCTION "Vhdl::std_logic_range" |
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[97] | 82 | std::string std_logic_range (uint32_t size, uint32_t max, uint32_t min) |
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[67] | 83 | { |
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| 84 | log_printf(FUNC,Behavioural,FUNCTION,"Begin"); |
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[71] | 85 | std::string type; |
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[67] | 86 | |
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[94] | 87 | { |
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[97] | 88 | if (size < 2) |
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| 89 | type = ""; |
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[94] | 90 | else |
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| 91 | { |
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[97] | 92 | if (max == min) |
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| 93 | { |
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| 94 | type = "("+toString(max)+")"; |
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| 95 | } |
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[94] | 96 | else |
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[97] | 97 | { |
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| 98 | type = "("+toString(max)+" downto "+toString(min)+")"; |
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| 99 | } |
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[94] | 100 | } |
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| 101 | } |
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[67] | 102 | |
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| 103 | log_printf(FUNC,Behavioural,FUNCTION,"End"); |
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| 104 | |
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| 105 | return type; |
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| 106 | }; |
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| 107 | |
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[97] | 108 | std::string std_logic_range (uint32_t max, uint32_t min) |
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[2] | 109 | { |
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[43] | 110 | log_printf(FUNC,Behavioural,FUNCTION,"Begin"); |
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[71] | 111 | std::string type; |
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[2] | 112 | |
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[94] | 113 | { |
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| 114 | if (max == min) |
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| 115 | { |
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| 116 | type = "("+toString(max)+")"; |
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| 117 | } |
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| 118 | else |
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| 119 | { |
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| 120 | if (max == 0) |
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| 121 | type = ""; |
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| 122 | else |
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| 123 | type = "("+toString(max)+" downto "+toString(min)+")"; |
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| 124 | } |
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| 125 | } |
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[2] | 126 | |
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[43] | 127 | log_printf(FUNC,Behavioural,FUNCTION,"End"); |
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| 128 | |
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[2] | 129 | return type; |
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| 130 | }; |
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| 131 | |
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[97] | 132 | std::string std_logic_range (uint32_t size) |
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[2] | 133 | { |
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[43] | 134 | log_printf(FUNC,Behavioural,FUNCTION,"Begin"); |
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[97] | 135 | std::string _return = std_logic_range(size,size-1,0); |
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[43] | 136 | log_printf(FUNC,Behavioural,FUNCTION,"End"); |
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| 137 | |
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| 138 | return _return; |
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[2] | 139 | } |
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| 140 | |
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[43] | 141 | #undef FUNCTION |
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[97] | 142 | #define FUNCTION "Vhdl::_std_logic_range" |
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| 143 | std::string _std_logic_range (uint32_t size, uint32_t max, uint32_t min) |
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| 144 | { |
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| 145 | log_printf(FUNC,Behavioural,FUNCTION,"Begin"); |
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| 146 | std::string type=_std_logic_range(max,min); |
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| 147 | log_printf(FUNC,Behavioural,FUNCTION,"End"); |
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| 148 | |
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| 149 | return type; |
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| 150 | }; |
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| 151 | |
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| 152 | std::string _std_logic_range (uint32_t max, uint32_t min) |
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| 153 | { |
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| 154 | log_printf(FUNC,Behavioural,FUNCTION,"Begin"); |
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| 155 | std::string type = "("+toString(max)+" downto "+toString(min)+")"; |
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| 156 | log_printf(FUNC,Behavioural,FUNCTION,"End"); |
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| 157 | |
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| 158 | return type; |
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| 159 | }; |
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| 160 | |
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| 161 | std::string _std_logic_range (uint32_t size) |
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| 162 | { |
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| 163 | log_printf(FUNC,Behavioural,FUNCTION,"Begin"); |
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| 164 | std::string _return = _std_logic_range(size,size-1,0); |
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| 165 | log_printf(FUNC,Behavioural,FUNCTION,"End"); |
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| 166 | |
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| 167 | return _return; |
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| 168 | } |
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| 169 | |
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| 170 | #undef FUNCTION |
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[43] | 171 | #define FUNCTION "Vhdl::std_logic_others" |
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[94] | 172 | std::string std_logic_others (uint32_t size, bool cst ) |
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[2] | 173 | { |
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[43] | 174 | log_printf(FUNC,Behavioural,FUNCTION,"Begin"); |
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| 175 | |
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[71] | 176 | std::string _return; |
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[43] | 177 | |
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[2] | 178 | if (size < 2) |
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[43] | 179 | _return = "'"+toString(cst)+"'"; |
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[2] | 180 | else |
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[43] | 181 | _return = "(others => '"+toString(cst)+"')"; |
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| 182 | |
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| 183 | log_printf(FUNC,Behavioural,FUNCTION,"End"); |
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| 184 | |
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| 185 | return _return; |
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[2] | 186 | } |
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[67] | 187 | |
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[2] | 188 | }; // end namespace behavioural |
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| 189 | }; // end namespace morpheo |
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| 190 | |
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| 191 | #endif |
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