dol/examples/example7/example7.xml

   1 <?xml version="1.0" encoding="UTF-8"?>
   2 <processnetwork xmlns="http://www.tik.ee.ethz.ch/~shapes/schema/PROCESSNETWORK" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.tik.ee.ethz.ch/~shapes/schema/PROCESSNETWORK
   3 http://www.tik.ee.ethz.ch/~shapes/schema/processnetwork.xsd" name="filter">
   4
   5   <!-- N - 1 is the filter order -->
   6   <variable name="N" value="3"/>
   7
   8   <!-- instantiate processes -->
   9   <process name="producer">
  10     <port type="output" name="out"/>
  11     <source type="c" location="producer.c"/>
  12   </process>
  13
  14   <process name="consumer">
  15     <port type="input" name="in"/>
  16     <source type="c" location="consumer.c"/>
  17   </process>
  18
  19   <iterator  variable="i" range="N">
  20     <process name="filter">
  21       <append function="i"/>
  22       <port type="input" name="inA"/>
  23       <port type="input" name="inB"/>
  24       <port type="output" name="outA"/>
  25       <port type="output" name="outB"/>
  26       <source type="c" location="filter.c"/>
  27     </process>
  28   </iterator>
  29
  30   <!-- instantiate sw_channels -->
  31   <sw_channel type="fifo" size="4" name="inputchannel">
  32     <port type="input" name="in"/>
  33     <port type="output" name="out"/>
  34   </sw_channel>
  35
  36   <sw_channel type="fifo" size="4" name="outputchannel">
  37     <port type="input" name="in"/>
  38     <port type="output" name="out"/>
  39   </sw_channel>
  40
  41   <iterator  variable="i" range="N - 1">
  42     <sw_channel type="fifo" size="4" name="filterchannelA">
  43       <append function="i"/>
  44       <port type="input" name="in"/>
  45       <port type="output" name="out"/>
  46     </sw_channel>
  47
  48     <sw_channel type="fifo" size="4" name="filterchannelB">
  49       <append function="i"/>
  50       <port type="input" name="in"/>
  51       <port type="output" name="out"/>
  52     </sw_channel>
  53   </iterator>
  54
  55   <sw_channel type="fifo" size="4" name="feedbackchannel">
  56     <port type="input" name="in"/>
  57     <port type="output" name="out"/>
  58   </sw_channel>
  59
  60   <!-- connections of top filter stage -->
  61   <connection name="inputconnection">
  62     <origin name="producer">
  63       <port name="out"/>
  64     </origin>
  65     <target name="inputchannel">
  66       <port name="in"/>
  67     </target>
  68   </connection>
  69
  70   <connection name="outputconnection">
  71     <origin name="outputchannel">
  72       <port name="out"/>
  73     </origin>
  74     <target name="consumer">
  75       <port name="in"/>
  76     </target>
  77   </connection>
  78
  79   <connection name="filterconnectionin">
  80     <origin name="inputchannel">
  81       <port name="out"/>
  82     </origin>
  83     <target name="filter">
  84       <append function="0"/>
  85       <port name="inA"/>
  86     </target>
  87   </connection>
  88
  89   <connection name="filterconnectionout">
  90     <origin name="filter">
  91       <append function="0"/>
  92       <port name="outB"/>
  93     </origin>
  94     <target name="outputchannel">
  95       <port name="in"/>
  96     </target>
  97   </connection>
  98
  99   <!-- connections of intermediate filter stage(s) -->
 100   <iterator  variable="i" range="N - 1">
 101     <connection name="filterconnectionoutAinA1">
 102       <append function="i"/>
 103       <origin name="filter">
 104         <append function="i"/>
 105         <port name="outA"/>
 106       </origin>
 107       <target name="filterchannelA">
 108         <append function="i"/>
 109         <port name="in"/>
 110       </target>
 111     </connection>
 112
 113     <connection name="filterconnectionoutAinA2">
 114       <append function="i"/>
 115       <origin name="filterchannelA">
 116         <append function="i"/>
 117         <port name="out"/>
 118       </origin>
 119       <target name="filter">
 120         <append function="i + 1"/>
 121         <port name="inA"/>
 122       </target>
 123     </connection>
 124
 125     <connection name="filterconnectionoutBinB1">
 126       <append function="i"/>
 127       <origin name="filter">
 128         <append function="i + 1"/>
 129         <port name="outB"/>
 130       </origin>
 131       <target name="filterchannelB">
 132         <append function="i"/>
 133         <port name="in"/>
 134       </target>
 135     </connection>
 136
 137     <connection name="filterconnectionoutBinB2">
 138       <append function="i"/>
 139       <origin name="filterchannelB">
 140         <append function="i"/>
 141         <port name="out"/>
 142       </origin>
 143       <target name="filter">
 144         <append function="i"/>
 145         <port name="inB"/>
 146       </target>
 147     </connection>
 148   </iterator>
 149
 150   <!-- connection of bottom filter stage -->
 151   <connection name="sinkconnectionA1">
 152     <origin name="filter">
 153       <append function="N - 1"/>
 154       <port name="outA"/>
 155     </origin>
 156     <target name="feedbackchannel">
 157       <port name="in"/>
 158     </target>
 159   </connection>
 160
 161   <connection name="sinkconnectionA2">
 162     <origin name="feedbackchannel">
 163       <port name="out"/>
 164     </origin>
 165     <target name="filter">
 166       <append function="N - 1"/>
 167       <port name="inB"/>
 168     </target>
 169   </connection>
 170 </processnetwork>