1 files changed, 0 insertions, 375 deletions

diff --git a/util/_receiver/krakenSDR_receiver.py b/util/_receiver/krakenSDR_receiver.py
deleted file mode 100755
index a9e2d63..0000000
--- a/util/_receiver/krakenSDR_receiver.py
+++ /dev/null
@@ -1,375 +0,0 @@
-# KrakenSDR Receiver
-
-# Copyright (C) 2018-2021  Carl Laufer, Tamás Pető
-#
-#
-#   This program is free software: you can redistribute it and/or modify
-#   it under the terms of the GNU General Public License as published by
-#   the Free Software Foundation, either version 3 of the License, or
-#   any later version.
-#
-#   This program 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 General Public License for more details.
-#
-#   You should have received a copy of the GNU General Public License
-#   along with this program.  If not, see <https://www.gnu.org/licenses/>.
-#
-
-# -*- coding: utf-8 -*-
-
-# Import built-in modules
-import sys
-import os
-import time
-from struct import pack, unpack
-import socket
-import _thread
-from threading import Lock
-import queue 
-import logging
-#import copy
-
-# Import third party modules
-import numpy as np
-from scipy import signal
-from iq_header import IQHeader
-from shmemIface import inShmemIface
-class ReceiverRTLSDR():
-    
-    def __init__(self, data_que, data_interface = "eth", logging_level=10):     
-        """
-        Parameter:
-        ----------        
-            :param: data_que: Que to communicate with the UI (web iface/Qt GUI)        
-            :param: data_interface: This field is configured by the GUI during instantiation. 
-                                    Valid values are the followings:
-                                    "eth"  : The module will receiver IQ frames through an Ethernet connection
-                                    "shmem": The module will receiver IQ frames through a shared memory interface
-            :type : data_interface: string
-        """
-        self.logger = logging.getLogger(__name__)
-        self.logger.setLevel(logging_level)
-
-        # DAQ parameters
-        # These values are used by default to configure the DAQ through the configuration interface
-        # Values are configured externally upon configuration request
-        self.daq_center_freq   = 100 # MHz
-        self.daq_rx_gain       = 0   # [dB]
-        self.daq_squelch_th_dB = 0
-
-        # UI interface
-        self.data_que = data_que
-
-        # IQ data interface
-        self.data_interface = data_interface
-
-        # -> Ethernet
-        self.receiver_connection_status = False
-        self.port = 5000
-        self.rec_ip_addr = "127.0.0.1" # Configured by the GUI prior to connection request
-        self.socket_inst = socket.socket()
-        self.receiverBufferSize = 2 ** 18  # Size of the Ethernet receiver buffer measured in bytes
-
-        # -> Shared memory
-        root_path          = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
-        daq_path           = os.path.join(os.path.dirname(root_path),"heimdall_daq_fw")
-        self.daq_shmem_control_path = os.path.join(os.path.join(daq_path,"Firmware"),"_data_control/")
-        self.init_data_iface()
-
-        # Control interface
-        self.ctr_iface_socket = socket.socket()
-        self.ctr_iface_port = 5001
-        self.ctr_iface_thread_lock = Lock() # Used to synchronize the operation of the ctr_iface thread
-
-        self.iq_frame_bytes = None
-        self.iq_samples = None
-        self.iq_header = IQHeader()
-        self.M = 0 # Number of receiver channels, updated after establishing connection
-
-    def init_data_iface(self):
-        if self.data_interface == "shmem":
-            # Open shared memory interface to capture the DAQ firmware output
-            self.in_shmem_iface = inShmemIface("delay_sync_iq", self.daq_shmem_control_path)
-            if not self.in_shmem_iface.init_ok:
-                self.logger.critical("Shared memory initialization failed")
-                self.in_shmem_iface.destory_sm_buffer()
-                return -1
-        return 0
-
-
-    def eth_connect(self):
-        """
-            Compatible only with DAQ firmwares that has the IQ streaming mode.
-            HeIMDALL DAQ Firmware version: 1.0 or later
-        """
-        try:
-            if not self.receiver_connection_status:
-                if self.data_interface == "eth":
-                    # Establlish IQ data interface connection
-                    self.socket_inst.connect((self.rec_ip_addr, self.port))
-                    self.socket_inst.sendall(str.encode('streaming'))
-                    test_iq = self.receive_iq_frame()
-
-                    self.M = self.iq_header.active_ant_chs
-
-                # Establish control interface connection
-                self.ctr_iface_socket.connect((self.rec_ip_addr, self.ctr_iface_port))
-                self.receiver_connection_status = True
-                self.ctr_iface_init()
-                self.logger.info("CTR INIT Center freq: {0}".format(self.daq_center_freq))
-                self.set_center_freq(self.daq_center_freq)
-                self.set_if_gain(self.daq_rx_gain)
-                self.set_squelch_threshold(self.daq_squelch_th_dB)
-        except:
-            errorMsg = sys.exc_info()[0]
-            self.logger.error("Error message: "+str(errorMsg))
-            self.receiver_connection_status = False
-            self.logger.error("Unexpected error: {0}".format(sys.exc_info()[0]))
-
-            # Re-instantiating sockets
-            self.socket_inst = socket.socket()
-            self.ctr_iface_socket = socket.socket()
-            return -1
-
-        self.logger.info("Connection established")
-        que_data_packet = []
-        que_data_packet.append(['conn-ok',])
-        self.data_que.put(que_data_packet)
-
-    def eth_close(self):
-        """
-            Close Ethernet conenctions including the IQ data and the control interfaces
-        """
-        try:
-            if self.receiver_connection_status:
-                if self.data_interface == "eth":
-                    self.socket_inst.sendall(str.encode('q')) # Send exit message
-                    self.socket_inst.close()
-                    self.socket_inst = socket.socket() # Re-instantiating socket
-
-                # Close control interface connection
-                exit_message_bytes=("EXIT".encode()+bytearray(124))
-                self.ctr_iface_socket.send(exit_message_bytes)
-                self.ctr_iface_socket.close()
-                self.ctr_iface_socket = socket.socket()
-
-            self.receiver_connection_status = False
-            que_data_packet = []
-            que_data_packet.append(['disconn-ok',])
-            self.data_que.put(que_data_packet)
-        except:
-            errorMsg = sys.exc_info()[0]
-            self.logger.error("Error message: {0}".format(errorMsg))
-            return -1
-
-        if self.data_interface == "shmem":
-            self.in_shmem_iface.destory_sm_buffer()
-
-        return 0
-
-    def get_iq_online(self):
-        """
-            This function obtains a new IQ data frame through the Ethernet IQ data or the shared memory interface
-        """
-
-        # Check connection
-        if not self.receiver_connection_status:
-            fail = self.eth_connect()
-            if fail:
-                return -1
-
-        if self.data_interface == "eth":
-            self.socket_inst.sendall(str.encode("IQDownload")) # Send iq request command
-            self.iq_samples = self.receive_iq_frame()
-
-        elif self.data_interface == "shmem":
-            active_buff_index = self.in_shmem_iface.wait_buff_free()
-            if active_buff_index < 0 or active_buff_index > 1:
-                self.logger.info("Terminating.., signal: {:d}".format(active_buff_index))
-                return -1
-
-            buffer = self.in_shmem_iface.buffers[active_buff_index]
-            iq_header_bytes = buffer[0:1024].tobytes()
-            self.iq_header.decode_header(iq_header_bytes)
-
-            # Inititalization from header - Set channel numbers
-            if self.M == 0:
-                self.M = self.iq_header.active_ant_chs
-
-            incoming_payload_size = self.iq_header.cpi_length*self.iq_header.active_ant_chs*2*int(self.iq_header.sample_bit_depth/8)
-            if incoming_payload_size > 0:
-                iq_samples_in = (buffer[1024:1024 + incoming_payload_size].view(dtype=np.complex64))\
-                                .reshape(self.iq_header.active_ant_chs, self.iq_header.cpi_length)
-                self.iq_samples = iq_samples_in.copy() # Must be .copy
-
-            self.in_shmem_iface.send_ctr_buff_ready(active_buff_index)
-
-    def receive_iq_frame(self):
-        """
-            Called by the get_iq_online function. Receives IQ samples over the establed Ethernet connection
-        """
-        total_received_bytes = 0
-        recv_bytes_count = 0
-        iq_header_bytes = bytearray(self.iq_header.header_size)  # allocate array
-        view = memoryview(iq_header_bytes)  # Get buffer
-
-        self.logger.debug("Starting IQ header reception")
-
-        while total_received_bytes < self.iq_header.header_size:
-            # Receive into buffer
-            recv_bytes_count = self.socket_inst.recv_into(view, self.iq_header.header_size-total_received_bytes)
-            view = view[recv_bytes_count:]  # reset memory region
-            total_received_bytes += recv_bytes_count
-
-        self.iq_header.decode_header(iq_header_bytes)
-        # Uncomment to check the content of the IQ header
-        #self.iq_header.dump_header()
-
-        incoming_payload_size = self.iq_header.cpi_length*self.iq_header.active_ant_chs*2*int(self.iq_header.sample_bit_depth/8)
-        if incoming_payload_size > 0:
-            # Calculate total bytes to receive from the iq header data
-            total_bytes_to_receive = incoming_payload_size
-            receiver_buffer_size = 2**18
-
-            self.logger.debug("Total bytes to receive: {:d}".format(total_bytes_to_receive))
-
-            total_received_bytes = 0
-            recv_bytes_count = 0
-            iq_data_bytes = bytearray(total_bytes_to_receive + receiver_buffer_size)  # allocate array
-            view = memoryview(iq_data_bytes)  # Get buffer
-
-            while total_received_bytes < total_bytes_to_receive:
-                # Receive into buffer
-                recv_bytes_count = self.socket_inst.recv_into(view, receiver_buffer_size)
-                view = view[recv_bytes_count:]  # reset memory region
-                total_received_bytes += recv_bytes_count
-
-            self.logger.debug(" IQ data succesfully received")
-
-            # Convert raw bytes to Complex float64 IQ samples
-            self.iq_samples = np.frombuffer(iq_data_bytes[0:total_bytes_to_receive], dtype=np.complex64).reshape(self.iq_header.active_ant_chs, self.iq_header.cpi_length)
-
-            self.iq_frame_bytes =  bytearray()+iq_header_bytes+iq_data_bytes
-            return self.iq_samples
-        else:
-             return 0
-
-    def set_squelch_threshold(self, threshold_dB):
-        """
-            Configures the threshold level of the squelch module in the DAQ FW through the control interface
-        """
-        if self.receiver_connection_status: # Check connection
-            self.daq_squelch_th_dB      = threshold_dB
-            if threshold_dB == -80: threshold = 0
-            else: threshold = 10**(threshold_dB/20)
-
-            # Assembling message
-            cmd="STHU"
-            th_bytes=pack("f",threshold)
-            msg_bytes=(cmd.encode()+th_bytes+bytearray(120))
-            try:
-                _thread.start_new_thread(self.ctr_iface_communication, (msg_bytes,))
-            except:
-                errorMsg = sys.exc_info()[0]
-                self.logger.error("Unable to start communication thread")
-                self.logger.error("Error message: {:s}".format(errorMsg))
-
-    def ctr_iface_init(self):
-        """
-            Initialize connection with the DAQ FW through the control interface
-        """
-        if self.receiver_connection_status: # Check connection
-            # Assembling message            
-            cmd="INIT"            
-            msg_bytes=(cmd.encode()+bytearray(124))           
-            try:                
-                _thread.start_new_thread(self.ctr_iface_communication, (msg_bytes,))
-            except:                
-                errorMsg = sys.exc_info()[0]        
-                self.logger.error("Unable to start communication thread")
-                self.logger.error("Error message: {:s}".format(errorMsg))
-
-    def ctr_iface_communication(self, msg_bytes):
-        """
-            Handles communication on the control interface with the DAQ FW
-
-            Parameters:
-            -----------
-
-                :param: msg: Message bytes, that will be sent ont the control interface
-                :type:  msg: Byte array                
-        """ 
-        self.ctr_iface_thread_lock.acquire()
-        self.logger.debug("Sending control message")        
-        self.ctr_iface_socket.send(msg_bytes)
-        
-        # Waiting for the command to take effect
-        reply_msg_bytes = self.ctr_iface_socket.recv(128)    
-
-        self.logger.debug("Control interface communication finished")
-        self.ctr_iface_thread_lock.release()
-        
-        status = reply_msg_bytes[0:4].decode()
-        if status == "FNSD":
-            self.logger.info("Reconfiguration succesfully finished")
-            que_data_packet = []
-            que_data_packet.append(['config-ok',])
-            self.data_que.put(que_data_packet)
-            
-        else:
-            self.logger.error("Failed to set the requested parameter, reply: {0}".format(status))
-        
-    def set_center_freq(self, center_freq):
-        """
-            Configures the RF center frequency of the receiver through the control interface
-        
-            Paramters:
-            ----------
-                :param: center_freq: Required center frequency to set [Hz]
-                :type:  center_freq: float
-        """
-        if self.receiver_connection_status: # Check connection
-            self.daq_center_freq = int(center_freq)
-            # Set center frequency
-            cmd="FREQ"
-            freq_bytes=pack("Q",int(center_freq))
-            msg_bytes=(cmd.encode()+freq_bytes+bytearray(116))           
-            try:                
-                _thread.start_new_thread(self.ctr_iface_communication, (msg_bytes,))            
-            except:                
-                errorMsg = sys.exc_info()[0]        
-                self.logger.error("Unable to start communication thread")
-                self.logger.error("Error message: {:s}".format(errorMsg))
-    
-    def set_if_gain(self, gain):
-        """
-            Configures the IF gain of the receiver through the control interface
-        
-            Paramters:
-            ----------
-                :param: gain: IF gain value [dB]
-                :type:  gain: int
-        """                
-        if self.receiver_connection_status: # Check connection
-            self.daq_rx_gain     = gain
-            
-            # Set center frequency
-            cmd="GAIN"
-            gain_list=[297, 37] #[int(gain*10)]*self.M
-            gain_bytes=pack("I"*self.M, *gain_list)
-            msg_bytes=(cmd.encode()+gain_bytes+bytearray(128-(self.M+1)*4))  
-            try:                
-                _thread.start_new_thread(self.ctr_iface_communication, (msg_bytes,))            
-            except:                
-                errorMsg = sys.exc_info()[0]        
-                self.logger.error("Unable to start communication thread")
-                self.logger.error("Error message: {:s}".format(errorMsg))
-
-    def close(self):
-        """
-            Disconnet the receiver module and the DAQ FW
-        """
-        self.eth_close()
-