Ble receiver (#337)

* BLE app

* Update ui_navigation.cpp

Co-authored-by: Furrtek <furrtek@gmail.com>
This commit is contained in:
Erwin Ried 2020-04-20 06:50:03 +02:00 committed by GitHub
parent d95bda65ce
commit 40531e9230
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GPG Key ID: 4AEE18F83AFDEB23
12 changed files with 770 additions and 3 deletions

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@ -217,6 +217,7 @@ set(CPPSRC
apps/ui_adsb_rx.cpp apps/ui_adsb_rx.cpp
apps/ui_adsb_tx.cpp apps/ui_adsb_tx.cpp
apps/ui_afsk_rx.cpp apps/ui_afsk_rx.cpp
apps/ui_btle_rx.cpp
apps/ui_nrf_rx.cpp apps/ui_nrf_rx.cpp
apps/ui_aprs_tx.cpp apps/ui_aprs_tx.cpp
apps/ui_bht_tx.cpp apps/ui_bht_tx.cpp

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@ -0,0 +1,160 @@
/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2017 Furrtek
* Copyright (C) 2020 Shao
*
* This file is part of PortaPack.
*
* 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 2, or (at your option)
* 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "ui_btle_rx.hpp"
#include "ui_modemsetup.hpp"
#include "modems.hpp"
#include "audio.hpp"
#include "rtc_time.hpp"
#include "baseband_api.hpp"
#include "string_format.hpp"
#include "portapack_persistent_memory.hpp"
using namespace portapack;
using namespace modems;
namespace ui {
void BTLERxView::focus() {
field_frequency.focus();
}
void BTLERxView::update_freq(rf::Frequency f) {
receiver_model.set_tuning_frequency(f);
}
BTLERxView::BTLERxView(NavigationView& nav) {
baseband::run_image(portapack::spi_flash::image_tag_btle_rx);
add_children({
&rssi,
&channel,
&field_rf_amp,
&field_lna,
&field_vga,
&field_frequency,
&text_debug,
&button_modem_setup,
&record_view,
&console
});
// DEBUG
record_view.on_error = [&nav](std::string message) {
nav.display_modal("Error", message);
};
record_view.set_sampling_rate(24000);
// Auto-configure modem for LCR RX (will be removed later)
update_freq(2426000000);
auto def_bell202 = &modem_defs[0];
persistent_memory::set_modem_baudrate(def_bell202->baudrate);
serial_format_t serial_format;
serial_format.data_bits = 7;
serial_format.parity = EVEN;
serial_format.stop_bits = 1;
serial_format.bit_order = LSB_FIRST;
persistent_memory::set_serial_format(serial_format);
field_frequency.set_value(receiver_model.tuning_frequency());
field_frequency.set_step(100);
field_frequency.on_change = [this](rf::Frequency f) {
update_freq(f);
};
field_frequency.on_edit = [this, &nav]() {
auto new_view = nav.push<FrequencyKeypadView>(receiver_model.tuning_frequency());
new_view->on_changed = [this](rf::Frequency f) {
update_freq(f);
field_frequency.set_value(f);
};
};
button_modem_setup.on_select = [&nav](Button&) {
nav.push<ModemSetupView>();
};
// Auto-configure modem for LCR RX (will be removed later)
baseband::set_btle(persistent_memory::modem_baudrate(), 8, 0, false);
audio::set_rate(audio::Rate::Hz_24000);
audio::output::start();
receiver_model.set_sampling_rate(4000000);
receiver_model.set_baseband_bandwidth(4000000);
receiver_model.set_modulation(ReceiverModel::Mode::WidebandFMAudio);
receiver_model.enable();
}
void BTLERxView::on_data(uint32_t value, bool is_data) {
//std::string str_console = "\x1B";
std::string str_console = "";
if (is_data) {
// Colorize differently after message splits
//str_console += (char)((console_color & 3) + 9);
//value &= 0xFF; // ABCDEFGH
//value = ((value & 0xF0) >> 4) | ((value & 0x0F) << 4); // EFGHABCD
//value = ((value & 0xCC) >> 2) | ((value & 0x33) << 2); // GHEFCDAB
//value = ((value & 0xAA) >> 1) | ((value & 0x55) << 1); // HGFEDCBA
//value &= 0x7F; // Ignore parity, which is the MSB now
//if ((value >= 32) && (value < 127)) {
// str_console += (char)value; // Printable
//}
//str_console += (char)'A';
//str_console += (char)value;
//str_console += "[" + to_string_hex(value, 2) + "]";
str_console += ":" + to_string_hex(value, 2) ;
console.write(str_console);
/*if ((value != 0x7F) && (prev_value == 0x7F)) {
// Message split
console.writeln("");
console_color++;
}*/
//prev_value = value;
} else {
// Baudrate estimation
//text_debug.set("~" + to_string_dec_uint(value));
if (value == 'A')
{console.write("mac");}
else if (value == 'B')
{console.writeln("");}
//console.writeln("");
}
}
BTLERxView::~BTLERxView() {
audio::output::stop();
receiver_model.disable();
baseband::shutdown();
}
} /* namespace ui */

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@ -0,0 +1,107 @@
/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2017 Furrtek
* Copyright (C) 2020 Shao
*
* This file is part of PortaPack.
*
* 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 2, or (at your option)
* 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __UI_BTLE_RX_H__
#define __UI_BTLE_RX_H__
#include "ui.hpp"
#include "ui_navigation.hpp"
#include "ui_receiver.hpp"
#include "ui_record_view.hpp" // DEBUG
#include "utility.hpp"
namespace ui {
class BTLERxView : public View {
public:
BTLERxView(NavigationView& nav);
~BTLERxView();
void focus() override;
std::string title() const override { return "BTLE RX"; };
private:
void on_data(uint32_t value, bool is_data);
uint8_t console_color { 0 };
uint32_t prev_value { 0 };
std::string str_log { "" };
RFAmpField field_rf_amp {
{ 13 * 8, 0 * 16 }
};
LNAGainField field_lna {
{ 15 * 8, 0 * 16 }
};
VGAGainField field_vga {
{ 18 * 8, 0 * 16 }
};
RSSI rssi {
{ 21 * 8, 0, 6 * 8, 4 },
};
Channel channel {
{ 21 * 8, 5, 6 * 8, 4 },
};
FrequencyField field_frequency {
{ 0 * 8, 0 * 16 },
};
Text text_debug {
{ 0 * 8, 1 * 16, 10 * 8, 16 },
"DEBUG"
};
Button button_modem_setup {
{ 12 * 8, 1 * 16, 96, 24 },
"Modem setup"
};
// DEBUG
RecordView record_view {
{ 0 * 8, 3 * 16, 30 * 8, 1 * 16 },
u"AFS_????", RecordView::FileType::WAV, 4096, 4
};
Console console {
{ 0, 4 * 16, 240, 240 }
};
void update_freq(rf::Frequency f);
//void on_data_afsk(const AFSKDataMessage& message);
MessageHandlerRegistration message_handler_packet {
Message::ID::AFSKData,
[this](Message* const p) {
const auto message = static_cast<const AFSKDataMessage*>(p);
this->on_data(message->value, message->is_data);
}
};
};
} /* namespace ui */
#endif/*__UI_BTLE_RX_H__*/

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@ -130,6 +130,16 @@ void set_afsk(const uint32_t baudrate, const uint32_t word_length, const uint32_
send_message(&message); send_message(&message);
} }
void set_btle(const uint32_t baudrate, const uint32_t word_length, const uint32_t trigger_value, const bool trigger_word) {
const BTLERxConfigureMessage message {
baudrate,
word_length,
trigger_value,
trigger_word
};
send_message(&message);
}
void set_nrf(const uint32_t baudrate, const uint32_t word_length, const uint32_t trigger_value, const bool trigger_word) { void set_nrf(const uint32_t baudrate, const uint32_t word_length, const uint32_t trigger_value, const bool trigger_word) {
const NRFRxConfigureMessage message { const NRFRxConfigureMessage message {
baudrate, baudrate,

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@ -68,7 +68,11 @@ void set_afsk_data(const uint32_t afsk_samples_per_bit, const uint32_t afsk_phas
const uint8_t afsk_repeat, const uint32_t afsk_bw, const uint8_t symbol_count); const uint8_t afsk_repeat, const uint32_t afsk_bw, const uint8_t symbol_count);
void kill_afsk(); void kill_afsk();
void set_afsk(const uint32_t baudrate, const uint32_t word_length, const uint32_t trigger_value, const bool trigger_word); void set_afsk(const uint32_t baudrate, const uint32_t word_length, const uint32_t trigger_value, const bool trigger_word);
void set_btle(const uint32_t baudrate, const uint32_t word_length, const uint32_t trigger_value, const bool trigger_word);
void set_nrf(const uint32_t baudrate, const uint32_t word_length, const uint32_t trigger_value, const bool trigger_word); void set_nrf(const uint32_t baudrate, const uint32_t word_length, const uint32_t trigger_value, const bool trigger_word);
void set_ook_data(const uint32_t stream_length, const uint32_t samples_per_bit, const uint8_t repeat, void set_ook_data(const uint32_t stream_length, const uint32_t samples_per_bit, const uint8_t repeat,
const uint32_t pause_symbols); const uint32_t pause_symbols);
void set_fsk_data(const uint32_t stream_length, const uint32_t samples_per_bit, const uint32_t shift, void set_fsk_data(const uint32_t stream_length, const uint32_t samples_per_bit, const uint32_t shift,

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@ -1503,6 +1503,28 @@ static constexpr Bitmap bitmap_icon_replay {
{ 16, 16 }, bitmap_icon_replay_data { 16, 16 }, bitmap_icon_replay_data
}; };
static constexpr uint8_t bitmap_icon_btle_data[] = {
0x00, 0x00,
0x80, 0x00,
0x80, 0x01,
0x80, 0x07,
0x80, 0x0C,
0x98, 0x06,
0xF0, 0x03,
0xE0, 0x01,
0xE0, 0x01,
0xF0, 0x03,
0x98, 0x06,
0x80, 0x0C,
0x80, 0x07,
0x80, 0x01,
0x80, 0x00,
0x00, 0x00,
};
static constexpr Bitmap bitmap_icon_btle {
{ 16, 16 }, bitmap_icon_btle_data
};
static constexpr uint8_t bitmap_icon_nrf_data[] = { static constexpr uint8_t bitmap_icon_nrf_data[] = {
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,

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@ -34,6 +34,7 @@
#include "ui_adsb_rx.hpp" #include "ui_adsb_rx.hpp"
#include "ui_adsb_tx.hpp" #include "ui_adsb_tx.hpp"
#include "ui_afsk_rx.hpp" #include "ui_afsk_rx.hpp"
#include "ui_btle_rx.hpp"
#include "ui_nrf_rx.hpp" #include "ui_nrf_rx.hpp"
#include "ui_aprs_tx.hpp" #include "ui_aprs_tx.hpp"
#include "ui_bht_tx.hpp" #include "ui_bht_tx.hpp"
@ -348,6 +349,7 @@ ReceiversMenuView::ReceiversMenuView(NavigationView& nav) {
{ "ACARS", ui::Color::yellow(), &bitmap_icon_adsb, [&nav](){ nav.push<ACARSAppView>(); }, }, { "ACARS", ui::Color::yellow(), &bitmap_icon_adsb, [&nav](){ nav.push<ACARSAppView>(); }, },
{ "AIS Boats", ui::Color::green(), &bitmap_icon_ais, [&nav](){ nav.push<AISAppView>(); } }, { "AIS Boats", ui::Color::green(), &bitmap_icon_ais, [&nav](){ nav.push<AISAppView>(); } },
{ "AFSK", ui::Color::yellow(), &bitmap_icon_receivers, [&nav](){ nav.push<AFSKRxView>(); } }, { "AFSK", ui::Color::yellow(), &bitmap_icon_receivers, [&nav](){ nav.push<AFSKRxView>(); } },
{ "BTLE", ui::Color::yellow(), &bitmap_icon_btle, [&nav](){ nav.push<BTLERxView>(); } },
{ "NRF", ui::Color::yellow(), &bitmap_icon_nrf, [&nav](){ nav.push<NRFRxView>(); } }, { "NRF", ui::Color::yellow(), &bitmap_icon_nrf, [&nav](){ nav.push<NRFRxView>(); } },
{ "Audio", ui::Color::green(), &bitmap_icon_speaker, [&nav](){ nav.push<AnalogAudioView>(); } }, { "Audio", ui::Color::green(), &bitmap_icon_speaker, [&nav](){ nav.push<AnalogAudioView>(); } },
{ "ERT Meter", ui::Color::green(), &bitmap_icon_ert, [&nav](){ nav.push<ERTAppView>(); } }, { "ERT Meter", ui::Color::green(), &bitmap_icon_ert, [&nav](){ nav.push<ERTAppView>(); } },

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@ -318,6 +318,12 @@ set(MODE_CPPSRC
) )
DeclareTargets(PNRR nrfrx) DeclareTargets(PNRR nrfrx)
### BTLE RX
set(MODE_CPPSRC
proc_btlerx.cpp
)
DeclareTargets(PBTR btlerx)
### AIS ### AIS
set(MODE_CPPSRC set(MODE_CPPSRC

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@ -0,0 +1,339 @@
/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2016 Furrtek
* Copyright (C) 2020 Shao
*
* This file is part of PortaPack.
*
* 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 2, or (at your option)
* 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "proc_btlerx.hpp"
#include "portapack_shared_memory.hpp"
#include "event_m4.hpp"
void BTLERxProcessor::execute(const buffer_c8_t& buffer) {
if (!configured) return;
// FM demodulation
/*const auto decim_0_out = decim_0.execute(buffer, dst_buffer);
const auto channel = decim_1.execute(decim_0_out, dst_buffer);
feed_channel_stats(channel);
auto audio_oversampled = demod.execute(channel, work_audio_buffer);*/
const auto decim_0_out = decim_0.execute(buffer, dst_buffer);
feed_channel_stats(decim_0_out);
auto audio_oversampled = demod.execute(decim_0_out, work_audio_buffer);
/*std::fill(spectrum.begin(), spectrum.end(), 0);
for(size_t i=0; i<spectrum.size(); i++) {
spectrum[i] += buffer.p[i];
}
const buffer_c16_t buffer_c16 {spectrum.data(),spectrum.size(),buffer.sampling_rate};
feed_channel_stats(buffer_c16);
auto audio_oversampled = demod.execute(buffer_c16, work_audio_buffer);*/
// Audio signal processing
for (size_t c = 0; c < audio_oversampled.count; c++) {
int result;
/*const int32_t sample_int = audio_oversampled.p[c] * 32768.0f;
int32_t current_sample = __SSAT(sample_int, 16);
current_sample /= 128;*/
int32_t current_sample = audio_oversampled.p[c]; //if I directly use this, some results can pass crc but not correct.
rb_head++;
rb_head=(rb_head)%RB_SIZE;
rb_buf[rb_head] = current_sample;
skipSamples = skipSamples - 1;
if (skipSamples<1)
{
int32_t threshold_tmp=0;
for (int c=0;c<8;c++)
{
threshold_tmp = threshold_tmp + (int32_t)rb_buf[(rb_head+c)%RB_SIZE];
}
g_threshold = (int32_t)threshold_tmp/8;
int transitions=0;
if (rb_buf[(rb_head+9)%RB_SIZE] > g_threshold)
{
for (int c=0;c<8;c++)
{
if (rb_buf[(rb_head + c)%RB_SIZE] > rb_buf[(rb_head + c + 1)%RB_SIZE])
transitions = transitions + 1;
}
}
else
{
for (int c=0;c<8;c++)
{
if (rb_buf[(rb_head + c)%RB_SIZE] < rb_buf[(rb_head + c + 1)%RB_SIZE])
transitions = transitions + 1;
}
}
bool packet_detected=false;
//if ( transitions==4 && abs(g_threshold)<15500)
if ( transitions==4)
{
uint8_t packet_data[500];
int packet_length;
uint32_t packet_crc;
uint32_t calced_crc;
uint64_t packet_addr_l;
uint32_t result;
uint8_t crc[3];
uint8_t packet_header_arr[2];
packet_addr_l=0;
for (int i=0;i<4;i++)
{
bool current_bit;
uint8_t byte=0;
for (int c=0;c<8;c++)
{
if (rb_buf[(rb_head + (i+1)*8 + c)%RB_SIZE] > g_threshold)
current_bit = true;
else
current_bit = false;
byte |= current_bit << (7-c);
}
uint8_t byte_temp = (uint8_t) (((byte * 0x0802LU & 0x22110LU) | (byte * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16);
packet_addr_l|=((uint64_t)byte_temp)<<(8*i);
}
channel_number = 38;
for (int t=0;t<2;t++)
{
bool current_bit;
uint8_t byte=0;
for (int c=0;c<8;c++)
{
if (rb_buf[(rb_head + 5*8+t*8 + c)%RB_SIZE] > g_threshold)
current_bit = true;
else
current_bit = false;
byte |= current_bit << (7-c);
}
packet_header_arr[t] = byte;
}
uint8_t byte_temp2 = (uint8_t) (((channel_number * 0x0802LU & 0x22110LU) | (channel_number * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16);
uint8_t lfsr_1 = byte_temp2 | 2;
int header_length = 2;
int header_counter = 0;
while(header_length--)
{
for(uint8_t i = 0x80; i; i >>= 1)
{
if(lfsr_1 & 0x80)
{
lfsr_1 ^= 0x11;
(packet_header_arr[header_counter]) ^= i;
}
lfsr_1 <<= 1;
}
header_counter = header_counter + 1;
}
if (packet_addr_l==0x8E89BED6)
{
uint8_t byte_temp3 = (uint8_t) (((packet_header_arr[1] * 0x0802LU & 0x22110LU) | (packet_header_arr[1] * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16);
packet_length=byte_temp3&0x3F;
}
else
{
packet_length=0;
}
for (int t=0;t<packet_length+2+3;t++)
{
bool current_bit;
uint8_t byte=0;
for (int c=0;c<8;c++)
{
if (rb_buf[(rb_head + 5*8+t*8 + c)%RB_SIZE] > g_threshold)
current_bit = true;
else
current_bit = false;
byte |= current_bit << (7-c);
}
packet_data[t] = byte;
}
uint8_t byte_temp4 = (uint8_t) (((channel_number * 0x0802LU & 0x22110LU) | (channel_number * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16);
uint8_t lfsr_2 = byte_temp4 | 2;
int pdu_crc_length = packet_length+2+3;
int pdu_crc_counter = 0;
while(pdu_crc_length--)
{
for(uint8_t i = 0x80; i; i >>= 1)
{
if(lfsr_2 & 0x80)
{
lfsr_2 ^= 0x11;
(packet_data[pdu_crc_counter]) ^= i;
}
lfsr_2 <<= 1;
}
pdu_crc_counter = pdu_crc_counter + 1;
}
if (packet_addr_l==0x8E89BED6)
{
crc[0]=crc[1]=crc[2]=0x55;
}
else
{
crc[0]=crc[1]=crc[2]=0;
}
uint8_t v, t, d, crc_length;
uint32_t crc_result=0;
crc_length = packet_length + 2;
int counter = 0;
while(crc_length--)
{
uint8_t byte_temp5 = (uint8_t) (((packet_data[counter] * 0x0802LU & 0x22110LU) | (packet_data[counter] * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16);
d = byte_temp5;
for(v = 0; v < 8; v++, d >>= 1)
{
t = crc[0] >> 7;
crc[0] <<= 1;
if(crc[1] & 0x80) crc[0] |= 1;
crc[1] <<= 1;
if(crc[2] & 0x80) crc[1] |= 1;
crc[2] <<= 1;
if(t != (d & 1))
{
crc[2] ^= 0x5B;
crc[1] ^= 0x06;
}
}
counter = counter + 1;
}
for (v=0;v<3;v++) crc_result=(crc_result<<8)|crc[v];
calced_crc = crc_result;
packet_crc=0;
for (int c=0;c<3;c++) packet_crc=(packet_crc<<8)|packet_data[packet_length+2+c];
if (packet_addr_l==0x8E89BED6)
//if (packet_crc==calced_crc)
{
uint8_t mac_data[6];
int counter = 0;
for (int i = 7; i >= 2; i--)
{
uint8_t byte_temp6 = (uint8_t) (((packet_data[i] * 0x0802LU & 0x22110LU) | (packet_data[i] * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16);
//result = byte_temp6;
mac_data[counter] = byte_temp6;
counter = counter + 1;
}
data_message.is_data = false;
data_message.value = 'A';
shared_memory.application_queue.push(data_message);
data_message.is_data = true;
data_message.value = mac_data[0];
shared_memory.application_queue.push(data_message);
data_message.is_data = true;
data_message.value = mac_data[1];
shared_memory.application_queue.push(data_message);
data_message.is_data = true;
data_message.value = mac_data[2];
shared_memory.application_queue.push(data_message);
data_message.is_data = true;
data_message.value = mac_data[3];
shared_memory.application_queue.push(data_message);
data_message.is_data = true;
data_message.value = mac_data[4];
shared_memory.application_queue.push(data_message);
data_message.is_data = true;
data_message.value = mac_data[5];
shared_memory.application_queue.push(data_message);
data_message.is_data = false;
data_message.value = 'B';
shared_memory.application_queue.push(data_message);
packet_detected = true;
}
else
packet_detected = false;
}
if (packet_detected)
{
skipSamples=20;
}
}
}
}
void BTLERxProcessor::on_message(const Message* const message) {
if (message->id == Message::ID::BTLERxConfigure)
configure(*reinterpret_cast<const BTLERxConfigureMessage*>(message));
}
void BTLERxProcessor::configure(const BTLERxConfigureMessage& message) {
decim_0.configure(taps_200k_wfm_decim_0.taps, 33554432);
decim_1.configure(taps_200k_wfm_decim_1.taps, 131072);
demod.configure(audio_fs, 5000);
configured = true;
}
int main() {
EventDispatcher event_dispatcher { std::make_unique<BTLERxProcessor>() };
event_dispatcher.run();
return 0;
}

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@ -0,0 +1,95 @@
/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2016 Furrtek
* Copyright (C) 2020 Shao
*
* This file is part of PortaPack.
*
* 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 2, or (at your option)
* 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __PROC_BTLERX_H__
#define __PROC_BTLERX_H__
#include "baseband_processor.hpp"
#include "baseband_thread.hpp"
#include "rssi_thread.hpp"
#include "dsp_decimate.hpp"
#include "dsp_demodulate.hpp"
#include "audio_output.hpp"
#include "fifo.hpp"
#include "message.hpp"
class BTLERxProcessor : public BasebandProcessor {
public:
void execute(const buffer_c8_t& buffer) override;
void on_message(const Message* const message) override;
private:
static constexpr size_t baseband_fs = 4000000;
static constexpr size_t audio_fs = baseband_fs / 8 / 8 / 2;
BasebandThread baseband_thread { baseband_fs, this, NORMALPRIO + 20, baseband::Direction::Receive };
RSSIThread rssi_thread { NORMALPRIO + 10 };
std::array<complex16_t, 512> dst { };
const buffer_c16_t dst_buffer {
dst.data(),
dst.size()
};
std::array<complex16_t, 512> spectrum { };
const buffer_c16_t spectrum_buffer {
spectrum.data(),
spectrum.size()
};
const buffer_s16_t work_audio_buffer {
(int16_t*)dst.data(),
sizeof(dst) / sizeof(int16_t)
};
// Array size ok down to 375 bauds (24000 / 375)
std::array<int32_t, 64> delay_line { 0 };
std::array<int16_t, 1000> rb_buf { 0 };
/*dsp::decimate::FIRC8xR16x24FS4Decim8 decim_0 { };
dsp::decimate::FIRC16xR16x32Decim8 decim_1 { };
dsp::decimate::FIRAndDecimateComplex channel_filter { };*/
dsp::decimate::FIRC8xR16x24FS4Decim4 decim_0 { };
dsp::decimate::FIRC16xR16x16Decim2 decim_1 { };
dsp::demodulate::FM demod { };
int rb_head {-1};
int32_t g_threshold {0};
uint8_t channel_number {38};
int skipSamples {1000};
int RB_SIZE {1000};
bool configured { false };
void configure(const BTLERxConfigureMessage& message);
AFSKDataMessage data_message { false, 0 };
};
#endif/*__PROC_BTLERX_H__*/

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@ -78,6 +78,7 @@ public:
AFSKRxConfigure = 22, AFSKRxConfigure = 22,
StatusRefresh = 23, StatusRefresh = 23,
SamplerateConfig = 24, SamplerateConfig = 24,
BTLERxConfigure = 25,
NRFRxConfigure = 26, NRFRxConfigure = 26,
TXProgress = 30, TXProgress = 30,
@ -723,6 +724,25 @@ public:
const bool trigger_word; const bool trigger_word;
}; };
class BTLERxConfigureMessage : public Message {
public:
constexpr BTLERxConfigureMessage(
const uint32_t baudrate,
const uint32_t word_length,
const uint32_t trigger_value,
const bool trigger_word
) : Message { ID::BTLERxConfigure },
baudrate(baudrate),
word_length(word_length),
trigger_value(trigger_value),
trigger_word(trigger_word)
{
}
const uint32_t baudrate;
const uint32_t word_length;
const uint32_t trigger_value;
const bool trigger_word;
};
class NRFRxConfigureMessage : public Message { class NRFRxConfigureMessage : public Message {
public: public:
@ -738,12 +758,12 @@ public:
trigger_word(trigger_word) trigger_word(trigger_word)
{ {
} }
const uint32_t baudrate; const uint32_t baudrate;
const uint32_t word_length; const uint32_t word_length;
const uint32_t trigger_value; const uint32_t trigger_value;
const bool trigger_word; const bool trigger_word;
}; };
class PitchRSSIConfigureMessage : public Message { class PitchRSSIConfigureMessage : public Message {
public: public:
constexpr PitchRSSIConfigureMessage( constexpr PitchRSSIConfigureMessage(

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@ -68,6 +68,7 @@ private:
constexpr image_tag_t image_tag_acars { 'P', 'A', 'C', 'A' }; constexpr image_tag_t image_tag_acars { 'P', 'A', 'C', 'A' };
constexpr image_tag_t image_tag_adsb_rx { 'P', 'A', 'D', 'R' }; constexpr image_tag_t image_tag_adsb_rx { 'P', 'A', 'D', 'R' };
constexpr image_tag_t image_tag_afsk_rx { 'P', 'A', 'F', 'R' }; constexpr image_tag_t image_tag_afsk_rx { 'P', 'A', 'F', 'R' };
constexpr image_tag_t image_tag_btle_rx { 'P', 'B', 'T', 'R' };
constexpr image_tag_t image_tag_nrf_rx { 'P', 'N', 'R', 'R' }; constexpr image_tag_t image_tag_nrf_rx { 'P', 'N', 'R', 'R' };
constexpr image_tag_t image_tag_ais { 'P', 'A', 'I', 'S' }; constexpr image_tag_t image_tag_ais { 'P', 'A', 'I', 'S' };
constexpr image_tag_t image_tag_am_audio { 'P', 'A', 'M', 'A' }; constexpr image_tag_t image_tag_am_audio { 'P', 'A', 'M', 'A' };