1 #include "SpecialBlock.h"
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2 #include "FunctionalInterface.h"
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4 SpecialBlock::SpecialBlock(Graph *_graph, int _type, GroupBlock* _parent, ReferenceBlock* _reference, bool createIfaces) throw(Exception) : FunctionalBlock(_graph, _parent, _reference, createIfaces) {
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8 SpecialBlock::~SpecialBlock() {
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11 bool SpecialBlock::isSpecialBlock() {
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15 void SpecialBlock::checkInputPatternCompatibility() throw(Exception) {
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17 switch(specialType) {
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19 checkInputPatternCompatibilitySource();
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22 checkInputPatternCompatibilitySink();
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25 checkInputPatternCompatibilityClockConvert();
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31 catch(Exception e) {
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36 void SpecialBlock::computeOutputPattern(int nbExec) throw(Exception) {
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38 switch(specialType) {
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40 computeOutputPatternSource(nbExec);
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43 computeOutputPatternSink(nbExec);
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46 computeOutputPatternClockConvert(nbExec);
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52 catch(Exception e) {
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57 void SpecialBlock::checkInputPatternCompatibilitySource() throw(Exception) {
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59 void SpecialBlock::computeOutputPatternSource(int nbExec) throw(Exception) {
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61 cout << "computing output pattern of special block " << qPrintable(name) << " for " << nbExec << " executions" << endl;
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62 foreach(AbstractInterface* iface, getControlOutputs()) {
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63 FunctionalInterface* connIface = AI_TO_FUN(iface);
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64 // create output pattern
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65 QList<char>* pp = productionPattern.value(connIface);
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66 QList<char>* pattern = new QList<char>(*pp);
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67 for(int i=1;i<nbExec;i++) pattern->append(*pp);
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68 // assign pattern to interface
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69 connIface->setOutputPattern(pattern);
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71 outputPattern.insert(connIface,pattern);
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73 setOutputPatternComputed(true);
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76 void SpecialBlock::checkInputPatternCompatibilitySink() throw(Exception) {
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78 void SpecialBlock::computeOutputPatternSink(int nbExec) throw(Exception) {
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81 void SpecialBlock::checkInputPatternCompatibilityClockConvert() throw(Exception) {
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82 static QString fctName = "SpecialBlock::checkInputPatternCompatibilityClockConvert()";
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83 #ifdef DEBUG_FCTNAME
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84 cout << "call to " << qPrintable(fctName) << endl;
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86 // just create input pattern
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88 createInputPattern();
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90 catch(Exception e) {
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95 void SpecialBlock::computeOutputPatternClockConvert(int nbExec) throw(Exception) {
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96 static QString fctName = "SpecialBlock::computeOutputPatternClockConvert()";
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97 #ifdef DEBUG_FCTNAME
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98 cout << "call to " << qPrintable(fctName) << endl;
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100 cout << "computing output pattern of special block " << qPrintable(name) << endl;
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102 /* CAUTION: it is assumed that all clock domain converters are using
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103 * a clk_in and clk_out signals for input and output clocks.
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105 AbstractInterface* clkIn = getIfaceFromName("clk_in");
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106 AbstractInterface* clkOut = getIfaceFromName("clk_out");
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107 cout << "freq clk_in = " << clkIn->getClockFrequency() << endl;
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108 cout << "freq clk_out = " << clkOut->getClockFrequency() << endl;
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109 double periodIn = 1000.0/clkIn->getClockFrequency();
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110 double periodOut = 1000.0/clkOut->getClockFrequency();
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111 cout << "period clk_in = " << periodIn << endl;
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112 cout << "period clk_out = " << periodOut << endl;
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113 // starts with 1 data in FIFO
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114 int latency = 1+(int)((periodIn+5.0*periodOut)/periodOut);
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115 QList<char> pattern;
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116 for(int i=0;i<latency;i++) {
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122 while (idIn < lengthIP) {
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123 double tIn = (double)idIn * periodIn;
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124 double tOut = (double)idOut * periodOut;
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125 if (fabs(tIn-tOut) < 0.001) {
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136 else if (tIn < tOut) {
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151 foreach(char c, pattern) cout << (int)c;
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154 // initialize the output pattern
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155 lengthOP = pattern.size();
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156 foreach(AbstractInterface* iface, getControlOutputs()) {
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157 FunctionalInterface* connIface = AI_TO_FUN(iface);
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158 QList<char>* pat = new QList<char>(pattern);
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159 connIface->setOutputPattern(pat);
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160 outputPattern.insert(connIface,pat);
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162 cout << "output pattern computed" << endl;
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