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-rw-r--r--grc/demapping/CMakeLists.txt4
-rw-r--r--grc/demapping/gsm_tch_f_chans_demapper.xml27
-rw-r--r--grc/demapping/gsm_tch_h_chans_demapper.xml40
-rw-r--r--grc/gsm_block_tree.xml1
-rw-r--r--include/grgsm/demapping/CMakeLists.txt4
-rw-r--r--include/grgsm/demapping/tch_f_chans_demapper.h2
-rw-r--r--include/grgsm/demapping/tch_h_chans_demapper.h59
-rw-r--r--lib/demapping/CMakeLists.txt1
-rw-r--r--lib/demapping/tch_f_chans_demapper_impl.cc10
-rw-r--r--lib/demapping/tch_f_chans_demapper_impl.h4
-rw-r--r--lib/demapping/tch_h_chans_demapper_impl.cc278
-rw-r--r--lib/demapping/tch_h_chans_demapper_impl.h65
-rw-r--r--swig/grgsm_swig.i3
13 files changed, 461 insertions, 37 deletions
diff --git a/grc/demapping/CMakeLists.txt b/grc/demapping/CMakeLists.txt
index 84f4fee..4aacfff 100644
--- a/grc/demapping/CMakeLists.txt
+++ b/grc/demapping/CMakeLists.txt
@@ -22,5 +22,7 @@ install(FILES
gsm_bcch_ccch_demapper.xml
gsm_bcch_ccch_sdcch4_demapper.xml
gsm_sdcch8_demapper.xml
- gsm_tch_f_chans_demapper.xml DESTINATION share/gnuradio/grc/blocks
+ gsm_tch_f_chans_demapper.xml
+ gsm_tch_h_chans_demapper.xml
+ DESTINATION share/gnuradio/grc/blocks
)
diff --git a/grc/demapping/gsm_tch_f_chans_demapper.xml b/grc/demapping/gsm_tch_f_chans_demapper.xml
index c87776a..33b4153 100644
--- a/grc/demapping/gsm_tch_f_chans_demapper.xml
+++ b/grc/demapping/gsm_tch_f_chans_demapper.xml
@@ -3,7 +3,7 @@
<name>TCH/F Demapper</name>
<key>gsm_tch_f_chans_demapper</key>
<import>import grgsm</import>
- <make>grgsm.tch_f_chans_demapper($timeslot_nr, $tch_type, $tch_h_channel)</make>
+ <make>grgsm.tch_f_chans_demapper($timeslot_nr)</make>
<param>
<name>Timeslot</name>
@@ -13,31 +13,6 @@
<hide>part</hide>
</param>
- <param>
- <name>TCH Type</name>
- <key>tch_type</key>
- <value>0</value>
- <type>int</type>
- <hide>part</hide>
- <option>
- <name>Full rate</name>
- <key>0</key>
- </option>
- <option>
- <name>Half rate</name>
- <key>1</key>
- </option>
- </param>
-
- <param>
- <name>TCH/H Channel</name>
- <key>tch_h_channel</key>
- <value>0</value>
- <type>int</type>
- <hide>#if $tch_type() == 0 then 'all' else 'none'#</hide>
- </param>
- <check>$tch_h_channel() &gt; -1 and $tch_h_channel() &lt; 2</check>
-
<sink>
<name>bursts</name>
<type>message</type>
diff --git a/grc/demapping/gsm_tch_h_chans_demapper.xml b/grc/demapping/gsm_tch_h_chans_demapper.xml
new file mode 100644
index 0000000..f2bd67f
--- /dev/null
+++ b/grc/demapping/gsm_tch_h_chans_demapper.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0"?>
+<block>
+ <name>TCH/H Demapper</name>
+ <key>gsm_tch_h_chans_demapper</key>
+ <import>import grgsm</import>
+ <make>grgsm.tch_h_chans_demapper($timeslot_nr, $tch_h_channel)</make>
+
+ <param>
+ <name>Timeslot</name>
+ <key>timeslot_nr</key>
+ <value>2</value>
+ <type>int</type>
+ <hide>part</hide>
+ </param>
+
+ <param>
+ <name>TCH/H Channel</name>
+ <key>tch_h_channel</key>
+ <value>0</value>
+ <type>int</type>
+ <hide>#if $tch_type() == 0 then 'all' else 'none'#</hide>
+ </param>
+ <check>$tch_h_channel() &gt; -1 and $tch_h_channel() &lt; 2</check>
+
+ <sink>
+ <name>bursts</name>
+ <type>message</type>
+ <optional>1</optional>
+ </sink>
+ <source>
+ <name>tch_bursts</name>
+ <type>message</type>
+ <optional>1</optional>
+ </source>
+ <source>
+ <name>acch_bursts</name>
+ <type>message</type>
+ <optional>1</optional>
+ </source>
+</block>
diff --git a/grc/gsm_block_tree.xml b/grc/gsm_block_tree.xml
index 2e502d0..786d7d2 100644
--- a/grc/gsm_block_tree.xml
+++ b/grc/gsm_block_tree.xml
@@ -40,6 +40,7 @@
<block>gsm_bcch_ccch_sdcch4_demapper</block>
<block>gsm_sdcch8_demapper</block>
<block>gsm_tch_f_chans_demapper</block>
+ <block>gsm_tch_h_chans_demapper</block>
</cat>
<cat>
<name>Decryption</name>
diff --git a/include/grgsm/demapping/CMakeLists.txt b/include/grgsm/demapping/CMakeLists.txt
index 257f66e..0165d24 100644
--- a/include/grgsm/demapping/CMakeLists.txt
+++ b/include/grgsm/demapping/CMakeLists.txt
@@ -22,5 +22,7 @@
########################################################################
install(FILES
universal_ctrl_chans_demapper.h
- tch_f_chans_demapper.h DESTINATION include/grgsm/demapping
+ tch_f_chans_demapper.h
+ tch_h_chans_demapper.h
+ DESTINATION include/grgsm/demapping
)
diff --git a/include/grgsm/demapping/tch_f_chans_demapper.h b/include/grgsm/demapping/tch_f_chans_demapper.h
index 32bed30..c04c749 100644
--- a/include/grgsm/demapping/tch_f_chans_demapper.h
+++ b/include/grgsm/demapping/tch_f_chans_demapper.h
@@ -48,7 +48,7 @@ namespace gr {
* class. gsm::tch_f_chans_demapper::make is the public interface for
* creating new instances.
*/
- static sptr make(unsigned int timeslot_nr, int tch_type, int tch_h_channel);
+ static sptr make(unsigned int timeslot_nr);
};
} // namespace gsm
diff --git a/include/grgsm/demapping/tch_h_chans_demapper.h b/include/grgsm/demapping/tch_h_chans_demapper.h
new file mode 100644
index 0000000..15a7f2c
--- /dev/null
+++ b/include/grgsm/demapping/tch_h_chans_demapper.h
@@ -0,0 +1,59 @@
+/* -*- c++ -*- */
+/*
+ * @file
+ * @author (C) 2018 by Andrew Artyushok <loony.developer@gmail.com>
+ * @author (C) 2018 by Vasil Velichkov <vvvelichkov@gmail.com>
+ * @section LICENSE
+ *
+ * Gr-gsm 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, or (at your option)
+ * any later version.
+ *
+ * Gr-gsm 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 gr-gsm; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+
+#ifndef INCLUDED_GSM_TCH_H_CHANS_DEMAPPER_H
+#define INCLUDED_GSM_TCH_H_CHANS_DEMAPPER_H
+
+#include <grgsm/api.h>
+#include <gnuradio/block.h>
+
+namespace gr {
+ namespace gsm {
+
+ /*!
+ * \brief <+description of block+>
+ * \ingroup gsm
+ *
+ */
+ class GRGSM_API tch_h_chans_demapper : virtual public gr::block
+ {
+ public:
+ typedef boost::shared_ptr<tch_h_chans_demapper> sptr;
+
+ /*!
+ * \brief Return a shared_ptr to a new instance of gsm::tch_h_chans_demapper.
+ *
+ * To avoid accidental use of raw pointers, gsm::tch_h_chans_demapper's
+ * constructor is in a private implementation
+ * class. gsm::tch_h_chans_demapper::make is the public interface for
+ * creating new instances.
+ */
+ static sptr make(unsigned int timeslot_nr, unsigned int tch_h_channel);
+ };
+
+ } // namespace gsm
+} // namespace gr
+
+#endif /* INCLUDED_GSM_TCH_H_CHANS_DEMAPPER_H */
+
diff --git a/lib/demapping/CMakeLists.txt b/lib/demapping/CMakeLists.txt
index 57d2d1a..09cd525 100644
--- a/lib/demapping/CMakeLists.txt
+++ b/lib/demapping/CMakeLists.txt
@@ -19,6 +19,7 @@
add_sources(
tch_f_chans_demapper_impl.cc
+ tch_h_chans_demapper_impl.cc
universal_ctrl_chans_demapper_impl.cc
)
diff --git a/lib/demapping/tch_f_chans_demapper_impl.cc b/lib/demapping/tch_f_chans_demapper_impl.cc
index 0841fd2..bf1ff8f 100644
--- a/lib/demapping/tch_f_chans_demapper_impl.cc
+++ b/lib/demapping/tch_f_chans_demapper_impl.cc
@@ -109,11 +109,11 @@ namespace gr {
}
}
-void tch_f_chans_demapper_impl::sacch_tch_demapper(uint32_t fn_mod13, u_int32_t fn_mod26, uint32_t frame_nr,
- pmt::pmt_t *d_bursts_sacch,
- uint32_t *d_frame_numbers_sacch, pmt::pmt_t d_bursts[3][8],
- uint32_t d_frame_numbers[3][8], pmt::pmt_t msg_out)
-{
+ void tch_f_chans_demapper_impl::sacch_tch_demapper(uint32_t fn_mod13, u_int32_t fn_mod26, uint32_t frame_nr,
+ pmt::pmt_t *d_bursts_sacch,
+ uint32_t *d_frame_numbers_sacch, pmt::pmt_t d_bursts[3][8],
+ uint32_t d_frame_numbers[3][8], pmt::pmt_t msg_out)
+ {
bool frames_are_consecutive = true;
if (fn_mod13 == 12)
{
diff --git a/lib/demapping/tch_f_chans_demapper_impl.h b/lib/demapping/tch_f_chans_demapper_impl.h
index 7a546e7..bef018d 100644
--- a/lib/demapping/tch_f_chans_demapper_impl.h
+++ b/lib/demapping/tch_f_chans_demapper_impl.h
@@ -32,8 +32,6 @@ namespace gr {
{
private:
unsigned int d_timeslot;
- int d_tch_type;
- int d_tch_h_channel;
// Downlink
uint32_t d_frame_numbers_dl[3][8]; // for checking consecutive frame numbers of tch
uint32_t d_frame_numbers_sacch_dl[4]; // for checking consecutive frame numbers of sacch
@@ -51,7 +49,7 @@ namespace gr {
uint32_t d_frame_numbers[3][8], pmt::pmt_t msg_out);
public:
- tch_f_chans_demapper_impl(unsigned int timeslot_nr, int tch_type, int tch_h_channel);
+ tch_f_chans_demapper_impl(unsigned int timeslot_nr);
~tch_f_chans_demapper_impl();
void filter_tch_chans(pmt::pmt_t msg);
diff --git a/lib/demapping/tch_h_chans_demapper_impl.cc b/lib/demapping/tch_h_chans_demapper_impl.cc
new file mode 100644
index 0000000..2c3dc79
--- /dev/null
+++ b/lib/demapping/tch_h_chans_demapper_impl.cc
@@ -0,0 +1,278 @@
+/* -*- c++ -*- */
+/*
+ * @file
+ * @author (C) 2018 by Andrew Artyushok <loony.developer@gmail.com>
+ * @author (C) 2018 by Vasil Velichkov <vvvelichkov@gmail.com>
+ * @section LICENSE
+ *
+ * Gr-gsm 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, or (at your option)
+ * any later version.
+ *
+ * Gr-gsm 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 gr-gsm; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gnuradio/io_signature.h>
+#include "tch_h_chans_demapper_impl.h"
+#include <grgsm/endian.h>
+#include <grgsm/gsmtap.h>
+
+#define BURST_SIZE 148
+
+namespace gr {
+namespace gsm {
+
+tch_h_chans_demapper::sptr
+tch_h_chans_demapper::make(unsigned int timeslot_nr, unsigned int tch_h_channel)
+{
+ return gnuradio::get_initial_sptr
+ (new tch_h_chans_demapper_impl(timeslot_nr, tch_h_channel));
+}
+
+/*
+ * The private constructor
+ *
+ */
+tch_h_chans_demapper_impl::tch_h_chans_demapper_impl(unsigned int timeslot_nr, unsigned int tch_h_channel)
+ : gr::block("tch_h_chans_demapper",
+ gr::io_signature::make(0, 0, 0),
+ gr::io_signature::make(0, 0, 0)),
+ d_timeslot(timeslot_nr),
+ d_tch_h_channel(tch_h_channel)
+
+{
+ //std::cout << "d_tch_type is " << d_tch_type << ", tch_h_channel is " << tch_h_channel << std::endl;
+
+ message_port_register_in(pmt::mp("bursts"));
+ set_msg_handler(pmt::mp("bursts"), boost::bind(&tch_h_chans_demapper_impl::filter_tch_chans, this, _1));
+ message_port_register_out(pmt::mp("tch_bursts"));
+ message_port_register_out(pmt::mp("acch_bursts"));
+}
+
+/*
+ * Our virtual destructor.
+ */
+tch_h_chans_demapper_impl::~tch_h_chans_demapper_impl()
+{
+}
+
+void tch_h_chans_demapper_impl::filter_tch_chans(pmt::pmt_t msg)
+{
+ pmt::pmt_t header_plus_burst = pmt::cdr(msg);
+ gsmtap_hdr * header = (gsmtap_hdr *)pmt::blob_data(header_plus_burst);
+ if(header->timeslot != d_timeslot) {
+ return;
+ }
+
+ uint32_t frame_nr = be32toh(header->frame_number);
+ uint32_t fn_mod26 = frame_nr % 26;
+ uint32_t fn_mod13 = frame_nr % 13;
+ int8_t* burst_bits = (int8_t *)(pmt::blob_data(header_plus_burst)) + sizeof(gsmtap_hdr);
+
+ int8_t new_msg[sizeof(gsmtap_hdr)+BURST_SIZE];
+ gsmtap_hdr * new_hdr = (gsmtap_hdr*)new_msg;
+ memcpy(new_msg, header, sizeof(gsmtap_hdr)+BURST_SIZE);
+
+ new_hdr->sub_type = (fn_mod13 == 12 ? GSMTAP_CHANNEL_ACCH : 0) | GSMTAP_CHANNEL_TCH_H;
+
+ pmt::pmt_t msg_binary_blob = pmt::make_blob(new_msg,sizeof(gsmtap_hdr)+BURST_SIZE);
+ pmt::pmt_t msg_out = pmt::cons(pmt::PMT_NIL, msg_binary_blob);
+
+ //distinguishing uplink and downlink bursts
+ bool uplink_burst = (be16toh(header->arfcn) & 0x4000) ? true : false;
+
+ if(uplink_burst)
+ {
+ sacch_tch_demapper(fn_mod13, fn_mod26, frame_nr, d_bursts_sacch_ul,
+ d_frame_numbers_sacch_ul, d_bursts_ul, d_frame_numbers_ul, msg_out);
+ }
+ else
+ {
+ sacch_tch_demapper(fn_mod13, fn_mod26, frame_nr, d_bursts_sacch_dl,
+ d_frame_numbers_sacch_dl, d_bursts_dl, d_frame_numbers_dl, msg_out);
+ }
+}
+
+void tch_h_chans_demapper_impl::sacch_tch_demapper(uint32_t fn_mod13, u_int32_t fn_mod26, uint32_t frame_nr,
+ pmt::pmt_t *d_bursts_sacch,
+ uint32_t *d_frame_numbers_sacch, pmt::pmt_t d_bursts[3][8],
+ uint32_t d_frame_numbers[3][8], pmt::pmt_t msg_out)
+{
+ bool frames_are_consecutive = true;
+ if (fn_mod13 == 12)
+ {
+ // position of SACCH burst based on timeslot
+ // see specification gsm 05.02
+ uint32_t index;
+ bool is_sacch = false;
+
+ if (d_tch_h_channel == 0 && fn_mod26 == 12)
+ {
+ index = (((frame_nr - 12) / 26) - (d_timeslot / 2)) % 4;
+ is_sacch = true;
+ }
+ else if (d_tch_h_channel == 1 && fn_mod26 == 25)
+ {
+ index = (((frame_nr - 25) / 26) - (d_timeslot / 2)) % 4;
+ is_sacch = true;
+ }
+
+ if (is_sacch)
+ {
+ d_bursts_sacch[index] = msg_out;
+ d_frame_numbers_sacch[index] = frame_nr;
+
+ if (index == 3)
+ {
+ //check for a situation where some bursts were lost
+ //in this situation frame numbers won't be consecutive
+ frames_are_consecutive = true;
+ for(int jj=1; jj<4; jj++)
+ {
+ if((d_frame_numbers_sacch[jj]-d_frame_numbers_sacch[jj-1]) != 26)
+ {
+ frames_are_consecutive = false;
+ }
+ }
+ if(frames_are_consecutive)
+ {
+ //send bursts to the output
+ for(int jj=0; jj<4; jj++)
+ {
+ message_port_pub(pmt::mp("acch_bursts"), d_bursts_sacch[jj]);
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ bool our_sub=false;
+ // So, here I change the fn_mod13, with this changes I can
+ // process both subslot (d_tch_h_channel) with the same code.
+ //
+ // Theory about this on github
+ //
+ // Example:
+ //
+ // For subslot=0 our burst is 0,2,4,6 etc
+ // For subslot=1 it 1,3,5 etc
+ // But if we change it with this code,
+ // both will be 0,1,2,3,4 etc
+ // And we can proced two subslot like one.
+ if(fn_mod13%2==d_tch_h_channel) {
+ if(d_tch_h_channel==0) {
+ fn_mod13=fn_mod13/2;
+ }else{
+ fn_mod13-=1;
+ fn_mod13=fn_mod13/2;
+ }
+ // We work only with our subslot
+ our_sub=true;
+ }
+ if(our_sub) {
+
+ if (fn_mod13 <= 1)
+ {
+ // add to b1 and b3
+ d_bursts[0][fn_mod13] = msg_out;
+ d_bursts[2][fn_mod13+2] = msg_out;
+
+
+
+ d_frame_numbers[0][fn_mod13] = frame_nr;
+ d_frame_numbers[2][fn_mod13+2] = frame_nr;
+ }
+ else if (fn_mod13 >=2 && fn_mod13 <=3)
+ {
+ // add to b1 and b2
+ d_bursts[0][fn_mod13] = msg_out;
+ d_bursts[1][fn_mod13-2] = msg_out;
+
+
+ d_frame_numbers[0][fn_mod13] = frame_nr;
+ d_frame_numbers[1][fn_mod13-2] = frame_nr;
+ //d_frame_numbers[1][fn_mod13 - 4] = frame_nr;
+ }
+ else if (fn_mod13 >=4 && fn_mod13 <=5)
+ {
+ // add to b1 and b2
+ d_bursts[1][fn_mod13-2] = msg_out;
+ d_bursts[2][fn_mod13-4] = msg_out;
+
+
+
+ d_frame_numbers[1][fn_mod13-2] = frame_nr;
+ d_frame_numbers[2][fn_mod13-4] = frame_nr;
+ //d_frame_numbers[1][fn_mod13 - 4] = frame_nr;
+ }
+ // send burst 1 or burst 2 to output
+ //if ( fn_mod26 == 2 || fn_mod26 == 5 || fn_mod26 == 9)
+ if(fn_mod13 == 1 || fn_mod13 == 3|| fn_mod13 == 5)
+ {
+ int tch_burst_nr = 0;
+
+ if(fn_mod13==5) {
+ tch_burst_nr = 1;
+ }
+ if(fn_mod13==1) {
+ tch_burst_nr = 2;
+ }
+
+ //check for a situation where some bursts were lost
+ //in this situation frame numbers won't be consecutive
+ frames_are_consecutive = true;
+ // std::cout<<"br="<<tch_burst_nr<<" Array: ";
+ // std::cout<<d_frame_numbers[tch_burst_nr][0]<<" ";
+ bool one_tree=true;
+ for(int jj=1; jj<4; jj++)
+ {
+
+ if (((d_frame_numbers[tch_burst_nr][jj] - d_frame_numbers[tch_burst_nr][jj-1]) != 2) && frames_are_consecutive)
+ {
+ frames_are_consecutive = false;
+
+ if (tch_burst_nr == 2 && jj == 2
+ && d_frame_numbers[tch_burst_nr][jj] - d_frame_numbers[tch_burst_nr][jj - 1] == 3)
+ {
+ // std::cout<<" YEAH ";
+ frames_are_consecutive = true;
+ }
+
+ }
+ //}
+ }
+ // std::cout<<std::endl;
+
+ if(frames_are_consecutive)
+ {
+
+ for(int jj=0; jj<4; jj++)
+ {
+
+ message_port_pub(pmt::mp("tch_bursts"), d_bursts[tch_burst_nr][jj]);
+ }
+
+ // useless
+ // d_bursts_stolen[tch_burst_nr] = false;
+ }
+ }
+ }
+
+}
+}
+} /* namespace gsm */
+} /* namespace gr */
diff --git a/lib/demapping/tch_h_chans_demapper_impl.h b/lib/demapping/tch_h_chans_demapper_impl.h
new file mode 100644
index 0000000..ab0efd1
--- /dev/null
+++ b/lib/demapping/tch_h_chans_demapper_impl.h
@@ -0,0 +1,65 @@
+/* -*- c++ -*- */
+/*
+ * @file
+ * @author (C) 2018 by Andrew Artyushok <loony.developer@gmail.com>
+ * @author (C) 2018 by Vasil Velichkov <vvvelichkov@gmail.com>
+ * @section LICENSE
+ *
+ * Gr-gsm 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, or (at your option)
+ * any later version.
+ *
+ * Gr-gsm 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 gr-gsm; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_GSM_TCH_H_CHANS_DEMAPPER_IMPL_H
+#define INCLUDED_GSM_TCH_H_CHANS_DEMAPPER_IMPL_H
+
+#include <grgsm/demapping/tch_h_chans_demapper.h>
+
+namespace gr {
+ namespace gsm {
+
+ class tch_h_chans_demapper_impl : public tch_h_chans_demapper
+ {
+ private:
+ unsigned int d_timeslot;
+ unsigned int d_tch_h_channel;
+
+ // Downlink
+ uint32_t d_frame_numbers_dl[3][8]; // for checking consecutive frame numbers of tch
+ uint32_t d_frame_numbers_sacch_dl[4]; // for checking consecutive frame numbers of sacch
+ pmt::pmt_t d_bursts_dl[3][8]; // for tch output headers+bursts
+ pmt::pmt_t d_bursts_sacch_dl[4]; // for sacch output bursts
+
+ // Uplink
+ uint32_t d_frame_numbers_ul[3][8]; // for checking consecutive frame numbers of tch
+ uint32_t d_frame_numbers_sacch_ul[4]; // for checking consecutive frame numbers of sacch
+ pmt::pmt_t d_bursts_ul[3][8]; // for tch output headers+bursts
+ pmt::pmt_t d_bursts_sacch_ul[4]; // for sacch output bursts
+
+ void sacch_tch_demapper(uint32_t fn_mod13, u_int32_t fn_mod26, uint32_t frame_nr, pmt::pmt_t *d_bursts_sacch,
+ uint32_t *d_frame_numbers_sacch, pmt::pmt_t d_bursts[3][8],
+ uint32_t d_frame_numbers[3][8], pmt::pmt_t msg_out);
+
+ void filter_tch_chans(pmt::pmt_t msg);
+
+ public:
+ tch_h_chans_demapper_impl(unsigned int timeslot_nr, unsigned int tch_h_channel);
+ ~tch_h_chans_demapper_impl();
+ };
+
+ } // namespace gsm
+} // namespace gr
+
+#endif /* INCLUDED_GSM_TCH_H_CHANS_DEMAPPER_IMPL_H */
+
diff --git a/swig/grgsm_swig.i b/swig/grgsm_swig.i
index 83740e6..dd86bbc 100644
--- a/swig/grgsm_swig.i
+++ b/swig/grgsm_swig.i
@@ -41,6 +41,7 @@
#include "grgsm/decryption/decryption.h"
#include "grgsm/demapping/universal_ctrl_chans_demapper.h"
#include "grgsm/demapping/tch_f_chans_demapper.h"
+#include "grgsm/demapping/tch_h_chans_demapper.h"
#include "grgsm/flow_control/common.h"
#include "grgsm/flow_control/burst_timeslot_splitter.h"
#include "grgsm/flow_control/burst_sdcch_subslot_splitter.h"
@@ -98,6 +99,8 @@ GR_SWIG_BLOCK_MAGIC2(gsm, decryption);
GR_SWIG_BLOCK_MAGIC2(gsm, universal_ctrl_chans_demapper);
%include "grgsm/demapping/tch_f_chans_demapper.h"
GR_SWIG_BLOCK_MAGIC2(gsm, tch_f_chans_demapper);
+%include "grgsm/demapping/tch_h_chans_demapper.h"
+GR_SWIG_BLOCK_MAGIC2(gsm, tch_h_chans_demapper);
%include "grgsm/flow_control/common.h"
%include "grgsm/flow_control/burst_timeslot_splitter.h"