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Restoring jammer and RDS functionalities, please wait...

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Started work on frequency manager and numbers station simulator
This commit is contained in:
furrtek
2016-12-05 12:56:41 +01:00
parent ef0feae62b
commit d18b6d135d
43 changed files with 1083 additions and 734 deletions
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BIN
firmware/baseband/baseband_ads.img
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13
firmware/baseband/proc_adsbtx.cpp
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@@ -50,9 +50,12 @@ void ADSBTXProcessor::execute(const buffer_c8_t& buffer) {
if (!bit_part) {
if (bit_pos >= 112) {
// Stop
message.n = 200;
shared_memory.application_queue.push(message);
configured = false;
cur_bit = 0;
} else {
cur_bit = shared_memory.tx_data[bit_pos];
cur_bit = 0; //shared_memory.tx_data[bit_pos];
bit_pos++;
bit_part = 1;
}
@@ -66,7 +69,7 @@ void ADSBTXProcessor::execute(const buffer_c8_t& buffer) {
// 1001010110100110 0110010110010101
if (cur_bit) {
phase = (phase + 0x1FE0000); // What ?
phase = (phase + 0x1FE00); // What ?
sphase = phase + (64 << 18);
re = (sine_table_i8[(sphase & 0x03FC0000) >> 18]);
@@ -78,17 +81,13 @@ void ADSBTXProcessor::execute(const buffer_c8_t& buffer) {
buffer.p[i] = {(int8_t)re, (int8_t)im};
}
// TEST
message.n = 200;
shared_memory.application_queue.push(message);
configured = false;
}
void ADSBTXProcessor::on_message(const Message* const p) {
const auto message = *reinterpret_cast<const ADSBConfigureMessage*>(p);
if (message.id == Message::ID::ADSBConfigure) {
bit_part = 0;
bit_pos = 0;
cur_bit = 0;
preamble = true;

2
firmware/baseband/proc_dtmf_tx.cpp
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@@ -93,7 +93,7 @@ void DTMFTXProcessor::execute(const buffer_c8_t& buffer) {
}
void DTMFTXProcessor::on_message(const Message* const msg) {
char * tone_ptr;
uint8_t * tone_ptr;
const auto message = *reinterpret_cast<const DTMFTXConfigMessage*>(msg);
if (message.id == Message::ID::DTMFTXConfig) {

13
firmware/baseband/proc_jammer.cpp
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@@ -40,11 +40,11 @@ void JammerProcessor::execute(const buffer_c8_t& buffer) {
for (;;) {
ir++;
if (ir > 15) ir = 0;
if (shared_memory.jammer_ranges[ir].active == true) break;
if (jammer_ranges[ir].enabled == true) break;
}
jammer_bw = shared_memory.jammer_ranges[ir].width / 2;
jammer_bw = jammer_ranges[ir].width / 2;
message.freq = shared_memory.jammer_ranges[ir].center;
message.freq = jammer_ranges[ir].center;
shared_memory.application_queue.push(message);
} else {
s++;
@@ -73,9 +73,9 @@ void JammerProcessor::execute(const buffer_c8_t& buffer) {
sample = sine_table_i8[(sphase & 0x03FC0000) >> 18];
// FM
frq = sample * jammer_bw;
delta = sample * jammer_bw;
phase = (phase + frq);
phase = (phase + delta);
sphase = phase + (64 << 18);
re = (sine_table_i8[(sphase & 0x03FC0000) >> 18]);
@@ -86,6 +86,9 @@ void JammerProcessor::execute(const buffer_c8_t& buffer) {
};
void JammerProcessor::on_message(const Message* const msg) {
jammer_ranges = (JammerRange*)shared_memory.tx_data;
/*const auto message = *reinterpret_cast<const DTMFTXConfigMessage*>(msg);
if (message.id == Message::ID::DTMFTXConfig) {

5
firmware/baseband/proc_jammer.hpp
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@@ -25,6 +25,7 @@
#include "baseband_processor.hpp"
#include "baseband_thread.hpp"
#include "portapack_shared_memory.hpp"
class JammerProcessor : public BasebandProcessor {
public:
@@ -37,6 +38,8 @@ private:
BasebandThread baseband_thread { 1536000, this, NORMALPRIO + 20, baseband::Direction::Transmit };
JammerRange * jammer_ranges;
int32_t lfsr32 = 0xABCDE;
uint32_t s;
int8_t r, ir, re, im;
@@ -45,7 +48,7 @@ private:
int32_t lfsr;
uint32_t sample_count;
uint32_t aphase, phase, sphase;
int32_t sample, frq;
int32_t sample, delta;
RetuneMessage message;
};

40
firmware/baseband/proc_rds.cpp
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@@ -22,7 +22,7 @@
#include "proc_rds.hpp"
#include "portapack_shared_memory.hpp"
#include "sine_table.hpp"
#include "sine_table_int8.hpp"
#include "event_m4.hpp"
#include <cstdint>
@@ -31,18 +31,18 @@ void RDSProcessor::execute(const buffer_c8_t& buffer) {
for (size_t i = 0; i < buffer.count; i++) {
//Sample generation 2.28M/10=228kHz
if(s >= 9) {
// Sample generation at 2.28M / 10 = 228kHz
if (s >= 9) {
s = 0;
if(sample_count >= SAMPLES_PER_BIT) {
if (sample_count >= SAMPLES_PER_BIT) {
cur_bit = (rdsdata[(bit_pos / 26) & 15] >> (25 - (bit_pos % 26))) & 1;
prev_output = cur_output;
cur_output = prev_output ^ cur_bit;
const int32_t *src = waveform_biphase; // const ok ?
const int32_t * src = waveform_biphase;
int idx = in_sample_index;
for(int j = 0; j < FILTER_SIZE; j++) {
for (int j = 0; j < FILTER_SIZE; j++) {
val = (*src++);
if (cur_output) val = -val;
sample_buffer[idx++] += val;
@@ -52,10 +52,11 @@ void RDSProcessor::execute(const buffer_c8_t& buffer) {
in_sample_index += SAMPLES_PER_BIT;
if (in_sample_index >= SAMPLE_BUFFER_SIZE) in_sample_index -= SAMPLE_BUFFER_SIZE;
if (bit_pos < shared_memory.bit_length)
if (bit_pos < message_length)
bit_pos++;
else
bit_pos = 0;
sample_count = 0;
}
@@ -64,38 +65,39 @@ void RDSProcessor::execute(const buffer_c8_t& buffer) {
out_sample_index++;
if (out_sample_index >= SAMPLE_BUFFER_SIZE) out_sample_index = 0;
//AM @ 228k/4 = 57kHz
switch (mphase) {
// AM @ 228k/4 = 57kHz
// 0, sample, 0, -sample...
switch (mphase & 3) {
case 0:
case 2: sample = 0; break;
case 1: break;
case 3: sample = -sample; break;
case 3: sample = -sample; // break;
}
mphase++;
if (mphase >= 4) mphase = 0;
sample_count++;
} else {
s++;
}
//FM
frq = (sample>>16) * 386760;
// FM
delta = (sample >> 16) * 386760; // ?
phase = (phase + frq);
sphase = phase + (256<<16);
phase += delta;
sphase = phase + (64 << 18);
re = (sine_table_f32[(sphase & 0x03FF0000)>>18]*127);
im = (sine_table_f32[(phase & 0x03FF0000)>>18]*127);
re = (sine_table_i8[(sphase & 0x03FF0000) >> 18]);
im = (sine_table_i8[(phase & 0x03FF0000) >> 18]);
buffer.p[i] = {(int8_t)re,(int8_t)im};
buffer.p[i] = {(int8_t)re, (int8_t)im};
}
}
void RDSProcessor::on_message(const Message* const msg) {
if (msg->id == Message::ID::RDSConfigure) {
//const auto message = *reinterpret_cast<const RDSConfigureMessage*>(p);
const auto message = *reinterpret_cast<const RDSConfigureMessage*>(msg);
rdsdata = (uint32_t*)shared_memory.tx_data;
message_length = message.length;
configured = true;
}
}

4
firmware/baseband/proc_rds.hpp
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@@ -41,6 +41,7 @@ private:
BasebandThread baseband_thread { 2280000, this, NORMALPRIO + 20, baseband::Direction::Transmit };
uint16_t message_length;
int8_t re, im;
uint8_t mphase, s;
uint32_t bit_pos;
@@ -54,8 +55,7 @@ private:
int32_t sample;
int out_sample_index = SAMPLE_BUFFER_SIZE - 1;
uint32_t phase, sphase;
int32_t sig, frq, frq_im, rdsc;
int32_t k;
int32_t delta;
bool configured { false };

16
firmware/baseband/proc_xylos.cpp
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@@ -55,7 +55,7 @@ void XylosProcessor::execute(const buffer_c8_t& buffer) {
message.n = 25; // End of message code
shared_memory.application_queue.push(message);
} else {
message.n = byte_pos; // Inform UI about progress (just as eye candy)
message.n = byte_pos; // Inform UI about progress (just as eye candy)
shared_memory.application_queue.push(message);
}
@@ -74,7 +74,7 @@ void XylosProcessor::execute(const buffer_c8_t& buffer) {
re = 0;
im = 0;
} else {
tone_sample = (sine_table_i8[(tone_phase & 0x03FC0000)>>18]);
tone_sample = (sine_table_i8[(tone_phase & 0x03FC0000) >> 18]);
// Audio preview sample generation: 1536000/48000 = 32
/*if (as >= 31) {
@@ -87,16 +87,16 @@ void XylosProcessor::execute(const buffer_c8_t& buffer) {
// FM
// 1<<18 = 262144
// m = (262144 * BW) / 1536000 / 2
frq = tone_sample * 853; // 10kHz BW
delta = tone_sample * 853; // 10kHz BW
phase = (phase + frq);
sphase = phase + (64<<18);
phase += delta;
sphase = phase + (64 << 18);
re = (sine_table_i8[(sphase & 0x03FC0000)>>18]);
im = (sine_table_i8[(phase & 0x03FC0000)>>18]);
re = (sine_table_i8[(sphase & 0x03FC0000) >> 18]);
im = (sine_table_i8[(phase & 0x03FC0000) >> 18]);
}
buffer.p[i] = {(int8_t)re,(int8_t)im};
buffer.p[i] = {(int8_t)re, (int8_t)im};
}
//audio_output.write(audio_buffer);

2
firmware/baseband/proc_xylos.hpp
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@@ -68,7 +68,7 @@ private:
uint8_t digit = 0;
uint32_t sample_count = 0;
uint32_t tone_phase, phase, sphase;
int32_t tone_sample, frq;
int32_t tone_sample, delta;
bool silence = true;
TXDoneMessage message;