adding LDPC encoder and decoder (from mwc18 branch)

2018-04-09 13:10:17 -07:00
parent 4b0a1c06c7
commit b61e800764
979 changed files with 21685 additions and 1 deletions
@@ -0,0 +1,182 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*!\file nrLDPC_lut.h
+ * \brief Defines the debugging functions
+ * \author Sebastian Wagner (TCL Communications) Email: <mailto:sebastian.wagner@tcl.com>
+ * \date 27-03-2018
+ * \version 1.0
+ * \note
+ * \warning
+ */
+
+#ifndef __NR_LDPC_DEBUG__H__
+#define __NR_LDPC_DEBUG__H__
+
+#include <stdio.h>
+
+/**
+   Enum with possible LDPC data buffers
+ */
+typedef enum nrLDPC_buffers {
+    nrLDPC_buffers_LLR_PROC, /**< LLR processing buffer */
+    nrLDPC_buffers_CN_PROC, /**< CN processing buffer */
+    nrLDPC_buffers_CN_PROC_RES, /**< CN processing results buffer */
+    nrLDPC_buffers_BN_PROC, /**< BN processing buffer */
+    nrLDPC_buffers_BN_PROC_RES, /**< BN processing results buffer */
+    nrLDPC_buffers_LLR_RES /**< LLR results buffer */
+} e_nrLDPC_buffers;
+
+/**
+   \brief Writes N data samples to a file
+   \param fileName Name of the file
+   \param p_data Pointer to the data
+   \param N Number of values to write
+*/
+static inline void nrLDPC_writeFile(const char* fileName, int8_t* p_data, const uint32_t N)
+{
+    FILE *f;
+    uint32_t i;
+
+    f = fopen(fileName, "a");
+
+    // Newline indicating new data
+    fprintf(f, "\n");
+    for (i=0; i < N; i++)
+    {
+        fprintf(f, "%d, ", p_data[i]);
+    }
+
+    fclose(f);
+}
+
+/**
+   \brief Creates empty new file
+   \param fileName Name of the file
+*/
+static inline void nrLDPC_initFile(const char* fileName)
+{
+    FILE *f;
+
+    f = fopen(fileName, "w");
+
+    fprintf(f, " ");
+
+    fclose(f);
+}
+
+/**
+   \brief Writes data of predefined buffers to file
+   \param buffer Enum of buffer name to write
+*/
+static inline void nrLDPC_debug_writeBuffer2File(e_nrLDPC_buffers buffer)
+{
+    switch (buffer)
+    {
+    case nrLDPC_buffers_LLR_PROC:
+    {
+        nrLDPC_writeFile("llrProcBuf.txt", llrProcBuf, NR_LDPC_MAX_NUM_LLR);
+        break;
+    }
+    case nrLDPC_buffers_CN_PROC:
+    {
+        nrLDPC_writeFile("cnProcBuf.txt", cnProcBuf, NR_LDPC_SIZE_CN_PROC_BUF);
+        break;
+    }
+    case nrLDPC_buffers_CN_PROC_RES:
+    {
+        nrLDPC_writeFile("cnProcBufRes.txt", cnProcBufRes, NR_LDPC_SIZE_CN_PROC_BUF);
+        break;
+    }
+    case nrLDPC_buffers_BN_PROC:
+    {
+        nrLDPC_writeFile("bnProcBuf.txt", bnProcBuf, NR_LDPC_SIZE_BN_PROC_BUF);
+        break;
+    }
+    case nrLDPC_buffers_BN_PROC_RES:
+    {
+        nrLDPC_writeFile("bnProcBufRes.txt", bnProcBufRes, NR_LDPC_SIZE_BN_PROC_BUF);
+        break;
+    }
+    case nrLDPC_buffers_LLR_RES:
+    {
+        nrLDPC_writeFile("llrRes.txt", llrRes, NR_LDPC_MAX_NUM_LLR);
+        break;
+    }
+    }
+}
+
+/**
+   \brief Initializes file for writing a buffer
+   \param buffer Enum of buffer name to write
+*/
+static inline void nrLDPC_debug_initBuffer2File(e_nrLDPC_buffers buffer)
+{
+    switch (buffer)
+    {
+    case nrLDPC_buffers_LLR_PROC:
+    {
+        nrLDPC_initFile("llrProcBuf.txt");
+        break;
+    }
+    case nrLDPC_buffers_CN_PROC:
+    {
+        nrLDPC_initFile("cnProcBuf.txt");
+        break;
+    }
+    case nrLDPC_buffers_CN_PROC_RES:
+    {
+        nrLDPC_initFile("cnProcBufRes.txt");
+        break;
+    }
+    case nrLDPC_buffers_BN_PROC:
+    {
+        nrLDPC_initFile("bnProcBuf.txt");
+        break;
+    }
+    case nrLDPC_buffers_BN_PROC_RES:
+    {
+        nrLDPC_initFile("bnProcBufRes.txt");
+        break;
+    }
+    case nrLDPC_buffers_LLR_RES:
+    {
+        nrLDPC_initFile("llrRes.txt");
+        break;
+    }
+    }
+}
+
+/**
+   \brief Prints 256 data type
+   \param in Input to print
+*/
+static inline void nrLDPC_debug_print256i_epi8(__m256i* in)
+{
+    uint32_t i;
+
+    for (i=0; i<32; i++)
+    {
+        mexPrintf("%d ", ((int8_t*)&in)[i]);
+    }
+}
+
+#endif