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Diffstat (limited to 'gr-trellis/src/lib/fsm.cc')
-rw-r--r--gr-trellis/src/lib/fsm.cc40
1 files changed, 34 insertions, 6 deletions
diff --git a/gr-trellis/src/lib/fsm.cc b/gr-trellis/src/lib/fsm.cc
index 10ad553cd..a27bc87da 100644
--- a/gr-trellis/src/lib/fsm.cc
+++ b/gr-trellis/src/lib/fsm.cc
@@ -103,7 +103,6 @@ fsm::fsm(const char *name)
-
//######################################################################
//# Automatically generate the FSM from the generator matrix
//# of a (n,k) binary convolutional code
@@ -340,14 +339,14 @@ void fsm::write_trellis_svg( std::string filename ,int number_stages)
// std::cout << "################## BEGIN SVG TRELLIS PIC #####################" << std::endl;
trellis_fname << "<svg viewBox = \"0 0 200 200\" version = \"1.1\">" << std::endl;
- for(unsigned int stage_num = 0;stage_num < number_stages;stage_num ++){
+ for( int stage_num = 0;stage_num < number_stages;stage_num ++){
// draw states
- for (unsigned int state_num = 0;state_num < d_S ; state_num ++ ) {
+ for ( int state_num = 0;state_num < d_S ; state_num ++ ) {
trellis_fname << "<circle cx = \"" << stage_num * STAGE_STATE_OFFSETS + TRELLIS_X_OFFSET <<
"\" cy = \"" << state_num * STAGE_STATE_OFFSETS + TRELLIS_Y_OFFSET << "\" r = \"1\"/>" << std::endl;
//draw branches
if(stage_num != number_stages-1){
- for(unsigned int branch_num = 0;branch_num < d_I; branch_num++){
+ for( int branch_num = 0;branch_num < d_I; branch_num++){
trellis_fname << "<line x1 =\"" << STAGE_STATE_OFFSETS * stage_num+ TRELLIS_X_OFFSET << "\" ";
trellis_fname << "y1 =\"" << state_num * STAGE_STATE_OFFSETS + TRELLIS_Y_OFFSET<< "\" ";
trellis_fname << "x2 =\"" << STAGE_STATE_OFFSETS *stage_num + STAGE_STATE_OFFSETS+ TRELLIS_X_OFFSET << "\" ";
@@ -360,7 +359,7 @@ void fsm::write_trellis_svg( std::string filename ,int number_stages)
}
// label the stages
trellis_fname << "<g font-size = \"4\" font= \"times\" fill = \"black\">" << std::endl;
- for(unsigned int stage_num = 0;stage_num < number_stages ;stage_num ++){
+ for( int stage_num = 0;stage_num < number_stages ;stage_num ++){
trellis_fname << "<text x = \"" << stage_num * STAGE_STATE_OFFSETS + STAGE_LABEL_X_OFFSET <<
"\" y = \"" << STAGE_LABEL_Y_OFFSET << "\" >" << std::endl;
trellis_fname << stage_num << std::endl;
@@ -370,7 +369,7 @@ void fsm::write_trellis_svg( std::string filename ,int number_stages)
// label the states
trellis_fname << "<g font-size = \"4\" font= \"times\" fill = \"black\">" << std::endl;
- for(unsigned int state_num = 0;state_num < d_S ; state_num ++){
+ for( int state_num = 0;state_num < d_S ; state_num ++){
trellis_fname << "<text y = \"" << state_num * STAGE_STATE_OFFSETS + STATE_LABEL_Y_OFFSET <<
"\" x = \"" << STATE_LABEL_X_OFFSET << "\" >" << std::endl;
trellis_fname << state_num << std::endl;
@@ -383,3 +382,32 @@ void fsm::write_trellis_svg( std::string filename ,int number_stages)
// std::cout << "################## END SVG TRELLIS PIC ##################### " << std::endl;
trellis_fname.close();
}
+
+
+
+
+
+
+//######################################################################
+//# Write trellis specification to a text files,
+//# in the same format used when reading FSM files
+//######################################################################
+void fsm::write_fsm_txt(std::string filename)
+{
+ std::ofstream trellis_fname (filename.c_str());
+ if (!trellis_fname) {std::cout << "file not found " << std::endl ; exit(-1);}
+ trellis_fname << d_I << ' ' << d_S << ' ' << d_O << std::endl;
+ trellis_fname << std::endl;
+ for(int i=0;i<d_S;i++) {
+ for(int j=0;j<d_I;j++) trellis_fname << d_NS[i*d_I+j] << ' ';
+ trellis_fname << std::endl;
+ }
+ trellis_fname << std::endl;
+ for(int i=0;i<d_S;i++) {
+ for(int j=0;j<d_I;j++) trellis_fname << d_OS[i*d_I+j] << ' ';
+ trellis_fname << std::endl;
+ }
+ trellis_fname << std::endl;
+ trellis_fname.close();
+}
+