1 files changed, 84 insertions, 0 deletions
diff --git a/controller/fw/src/ldpc_wrapper.cpp b/controller/fw/src/ldpc_wrapper.cpp
new file mode 100644
index 0000000..da63343
--- /dev/null
+++ b/controller/fw/src/ldpc_wrapper.cpp
@@ -0,0 +1,84 @@
+
+#include <stdlib.h>
+#include <algorithm>
+#include <cstdint>
+#include <cmath>
+
+#include "ldpc/generic.hh"
+#include "ldpc/layered_decoder.hh"
+
+static const int DEFAULT_TRIALS = 25;
+
+struct DVB_S2_TABLE_C9
+{
+	static const int M = 360;
+	static const int N = 16200;
+	static const int K = 13320;
+	static const int LINKS_MIN_CN = 15;
+	static const int LINKS_MAX_CN = 19;
+	static const int LINKS_TOTAL = 49319;
+	static const int DEG_MAX = 13;
+	static const int DEG[];
+	static const int LEN[];
+	static const int POS[];
+};
+
+const int DVB_S2_TABLE_C9::DEG[] = {
+    13, 3, 0
+};
+
+const int DVB_S2_TABLE_C9::LEN[] = {
+    1, 36, 0
+};
+
+const int DVB_S2_TABLE_C9::POS[] = {
+    3,	2409,	499,	1481,	908,	559,	716,	1270,	333,	2508,	2264,	1702,	2805,
+    4,	2447,	1926,
+    5,	414,	1224,
+    6,	2114,	842,
+    7,	212,	573,
+    0,	2383,	2112,
+    1,	2286,	2348,
+    2,	545,	819,
+    3,	1264,	143,
+    4,	1701,	2258,
+    5,	964,	166,
+    6,	114,	2413,
+    7,	2243,	81,
+    0,	1245,	1581,
+    1,	775,	169,
+    2,	1696,	1104,
+    3,	1914,	2831,
+    4,	532,	1450,
+    5,	91,	974,
+    6,	497,	2228,
+    7,	2326,	1579,
+    0,	2482,	256,
+    1,	1117,	1261,
+    2,	1257,	1658,
+    3,	1478,	1225,
+    4,	2511,	980,
+    5,	2320,	2675,
+    6,	435,	1278,
+    7,	228,	503,
+    0,	1885,	2369,
+    1,	57,	483,
+    2,	838,	1050,
+    3,	1231,	1990,
+    4,	1738,	68,
+    5,	2392,	951,
+    6,	163,	645,
+    7,	2644,	1704,
+};
+
+extern "C" {
+
+    int ldpc_decode(float *symbols, int trials) {
+        if (trials < 0)
+            trials = DEFAULT_TRIALS;
+
+        LDPCDecoder<float, SumProductAlgorithm<float, SelfCorrectedUpdate<float>>, LDPC<DVB_S2_TABLE_C9>> decoder;
+        return decoder.run(symbols, symbols+decoder.K, trials, 1);
+    }
+
+}