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72 lines
2.0 KiB
72 lines
2.0 KiB
% ldpc_gen_h_file.m
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% David Rowe Sep 2015
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%
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% Create a C include file for use in mpdecode.c C cmd line LDPC decoder
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function ldpc_gen_h_file(code_param, max_iterations, decoder_type, input_decoder_c, x_hat, detected_data)
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f = fopen(code_param.c_include_file, "wt");
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fprintf(f, "/*\n FILE....: %s\n\n Static arrays for LDPC codec, generated", code_param.c_include_file);
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fprintf(f, "\n ldpc_gen_h_file.m.\n\n*/\n\n");
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fprintf(f,"#define NUMBERPARITYBITS %d\n", rows(code_param.H_rows));
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fprintf(f,"#define MAX_ROW_WEIGHT %d\n", columns(code_param.H_rows));
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fprintf(f,"#define CODELENGTH %d\n", code_param.symbols_per_frame);
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fprintf(f,"#define NUMBERROWSHCOLS %d\n", rows(code_param.H_cols));
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fprintf(f,"#define MAX_COL_WEIGHT %d\n", columns(code_param.H_cols));
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fprintf(f,"#define DEC_TYPE %d\n", decoder_type);
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fprintf(f,"#define MAX_ITER %d\n", max_iterations);
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fprintf(f,"\ndouble H_rows[] = {\n");
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% clock out 2D array to linear C array in row order ....
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[r c] = size(code_param.H_rows);
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for j=1:c
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for i=1:r
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fprintf(f, "%d", code_param.H_rows(i,j));
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if (i == r) && (j ==c)
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fprintf(f,"\n};\n");
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else
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fprintf(f,", ");
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end
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end
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end
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fprintf(f,"\ndouble H_cols[] = {\n");
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[r c] = size(code_param.H_cols);
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for j=1:c
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for i=1:r
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fprintf(f, "%d", code_param.H_cols(i,j));
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if (i == r) && (j == c)
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fprintf(f,"\n};\n");
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else
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fprintf(f,", ");
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end
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end
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end
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fprintf(f,"\ndouble input[] = {\n");
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for i=1:length(input_decoder_c)
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fprintf(f, "%.17g", input_decoder_c(i));
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if i == length(input_decoder_c)
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fprintf(f,"\n};\n");
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else
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fprintf(f,", ");
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end
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end
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fprintf(f,"\nchar detected_data[] = {\n");
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for i=1:length(detected_data)
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fprintf(f, "%d", detected_data(i));
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if i == length(detected_data)
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fprintf(f,"\n};\n");
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else
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fprintf(f,", ");
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end
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end
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fclose(f);
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end
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