YUNSDR lib

targets/ARCH/YUNSDR/USERSPACE/LIB/rf_helper.h

+/*
+ * Copyright 2013-2020 Software Radio Systems Limited
+ *
+ * This file is part of srsLTE.
+ *
+ * srsLTE is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * srsLTE is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * A copy of the GNU Affero General Public License can be found in
+ * the LICENSE file in the top-level directory of this distribution
+ * and at http://www.gnu.org/licenses/.
+ *
+ */
+#ifndef YUNSDR_RF_HELPER_H_
+#define YUNSDR_RF_HELPER_H_
+
+// A bunch of helper functions to process device arguments
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define REMOVE_SUBSTRING_WITHCOMAS(S, TOREMOVE)                                                                        \
+  remove_substring(S, TOREMOVE ",");                                                                                   \
+  remove_substring(S, TOREMOVE ", ");                                                                                  \
+  remove_substring(S, "," TOREMOVE);                                                                                   \
+  remove_substring(S, ", " TOREMOVE);                                                                                  \
+  remove_substring(S, TOREMOVE)
+
+static inline void remove_substring(char* s, const char* toremove)
+{
+  while ((s = strstr(s, toremove))) {
+    memmove(s, s + strlen(toremove), 1 + strlen(s + strlen(toremove)));
+  }
+}
+
+static inline void copy_subdev_string(char* dst, char* src)
+{
+  int n   = 0;
+  int len = (int)strlen(src);
+  /* Copy until end of string or comma */
+  while (n < len && src[n] != '\0' && src[n] != ',') {
+    dst[n] = src[n];
+    n++;
+  }
+  dst[n] = '\0';
+}
+
+#endif /* YUNSDR_RF_HELPER_H_ */

targets/ARCH/YUNSDR/USERSPACE/LIB/yunsdr_lib.h

+/*
+ * 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 1.0  (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
+ */
+
+/** yunsdr_lib.h
+ *
+ * Author: eric
+ * base on bladerf_lib.h
+ */
+
+#include "yunsdr_api_ss.h"
+#include "common_lib.h"
+
+/** @addtogroup _YUNSDR_PHY_RF_INTERFACE_
+ * @{
+ */
+
+/*! \brief YunSDR specific data structure */ 
+typedef struct {
+
+  //! opaque YunSDR device struct. An empty ("") or NULL device identifier will result in the first encountered device being opened (using the first discovered backend)
+  YUNSDR_DESCRIPTOR *dev;
+  int16_t *rx_buffer;
+  int16_t *tx_buffer;
+  //! Sample rate
+  unsigned int sample_rate;
+
+  int rx_num_channels;
+  int tx_num_channels;
+
+  // --------------------------------
+  // Debug and output control
+  // --------------------------------
+  //! Number of underflows
+  int num_underflows;
+  //! Number of overflows
+  int num_overflows;
+  //! number of RX errors
+  int num_rx_errors;
+  //! Number of TX errors
+  int num_tx_errors;
+
+  //! timestamp of current TX
+  uint64_t tx_current_ts;
+  //! timestamp of current RX
+  uint64_t rx_current_ts;
+  //! number of TX samples
+  uint64_t tx_nsamps;
+  //! number of RX samples
+  uint64_t rx_nsamps;
+  //! number of TX count
+  uint64_t tx_count;
+  //! number of RX count
+  uint64_t rx_count;
+  //! timestamp of RX packet
+  openair0_timestamp rx_timestamp;
+
+} yunsdr_state_t;
+
+/*! \brief get current timestamp
+ *\param device the hardware to use 
+ */
+openair0_timestamp trx_get_timestamp(openair0_device *device);
+
+/*@}*/