1 | /* |
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2 | * $Id$ |
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3 | * |
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4 | * [ Description ] |
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5 | * |
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6 | */ |
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7 | |
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8 | #include "Behavioural/include/Signal.h" |
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9 | |
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10 | |
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11 | namespace morpheo { |
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12 | namespace behavioural { |
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13 | |
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14 | #undef FUNCTION |
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15 | #define FUNCTION "Signal::link" |
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16 | void Signal::link (Signal * signal_dest, |
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17 | bool signal_dest_is_port) |
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18 | { |
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19 | log_printf(FUNC,Behavioural,FUNCTION,"Begin"); |
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20 | |
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21 | Signal * signal_src = this; |
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22 | |
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23 | // Test |
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24 | if (signal_src ->_is_allocate == false) |
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25 | throw (ErrorMorpheo ("<Signal::link> Signal \""+_name+"\", can't map with signal \""+ get_name()+"\", because the first signal is not already allocate.")); |
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26 | if (signal_dest->_is_allocate == false) |
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27 | throw (ErrorMorpheo ("<Signal::link> Signal \""+_name+"\", can't map with signal \""+signal_dest->get_name()+"\", because the second signal is not already allocate.")); |
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28 | if (signal_src ->_is_map_as_src == true) |
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29 | throw (ErrorMorpheo ("<Signal::mapping> Can't mapping signal \""+_name+"\" with \""+signal_dest->get_name()+"\", because the first signal is already mapped.")); |
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30 | |
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31 | // List of all case |
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32 | // |
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33 | // src dest |
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34 | // COMPONENT {IN } ----- {SIG} SIGNAL |
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35 | // COMPONENT {OUT} ----- {SIG} SIGNAL |
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36 | // |
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37 | // COMPONENT {IN } ----- {IN } PORT |
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38 | // COMPONENT {OUT} ----- {OUT} PORT |
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39 | |
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40 | // list valid case |
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41 | if (not ( signal_dest_is_port and (((signal_src->_direction == IN ) and (signal_dest->_direction == IN )) or |
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42 | ((signal_src->_direction == OUT) and (signal_dest->_direction == OUT )))) and |
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43 | not (not signal_dest_is_port and (((signal_src->_direction == IN ) and (signal_dest->_direction == INTERNAL)) or |
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44 | ((signal_src->_direction == OUT) and (signal_dest->_direction == INTERNAL))))) |
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45 | throw (ErrorMorpheo ("<Signal::link> Signal \""+_name+"\" can't been linked with signal \""+signal_dest->get_name()+"\" : illegal direction ("+toString(signal_src->_direction)+" with "+toString(signal_dest->_direction)+").")); |
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46 | |
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47 | // update info source |
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48 | signal_src ->_connect_to_signal = signal_dest; |
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49 | signal_src ->_is_map_as_src = true; |
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50 | |
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51 | // update info destination |
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52 | signal_dest->_connect_from_signal = signal_src; |
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53 | signal_dest->_is_map_as_dest = true; |
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54 | |
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55 | // an internal signal and port can't be a source. |
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56 | // also, to fill the connect_to_signal's field |
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57 | if ((signal_src->_direction == OUT) and |
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58 | (signal_dest->_direction == INTERNAL)) |
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59 | { |
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60 | signal_dest->_connect_to_signal = signal_src; |
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61 | } |
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62 | |
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63 | // vhdl_testbench : to read an output producte by a internal component |
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64 | // TODO : à vérifier !!!!!!!!!!!! |
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65 | if ((signal_dest_is_port == true) and |
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66 | (signal_src ->_direction == OUT)) |
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67 | signal_dest->_sc_signal_map = signal_src ->_sc_signal_map; |
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68 | |
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69 | connect (signal_dest); |
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70 | |
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71 | log_printf(FUNC,Behavioural,FUNCTION,"End"); |
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72 | }; |
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73 | |
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74 | }; // end namespace behavioural |
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75 | }; // end namespace morpheo |
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