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Udpdated jammer baseband code, should work again

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This commit is contained in:
furrtek
2017-01-17 08:42:35 +00:00
parent 368f0f7fb0
commit 7cb38f858e
12 changed files with 172 additions and 204 deletions
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87
firmware/baseband/proc_jammer.cpp
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@@ -27,27 +27,29 @@
#include <cstdint>
#define POLY_MASK_32 0xB4BCD35C
void JammerProcessor::execute(const buffer_c8_t& buffer) {
if (!configured) return;
for (size_t i = 0; i<buffer.count; i++) {
for (size_t i = 0; i < buffer.count; i++) {
if (s >= 10000) { //shared_memory.jammer_ranges[ir].duration
s = 0;
for (;;) {
ir++;
if (ir > 15) ir = 0;
if (jammer_ranges[ir].enabled == true) break;
if (!jammer_duration) {
// Find next enabled range
for (ir = 0; ir < 9; ir++) {
current_range++;
if (current_range == 9) current_range = 0;
if (jammer_ranges[current_range].enabled)
break;
}
jammer_bw = jammer_ranges[ir].width / 2;
message.freq = jammer_ranges[ir].center;
jammer_duration = jammer_ranges[current_range].duration;
jammer_bw = jammer_ranges[current_range].width / 6; // TODO: Exact value
// Ask for retune
message.freq = jammer_ranges[current_range].center;
message.range = current_range;
shared_memory.application_queue.push(message);
} else {
s++;
jammer_duration--;
}
// Ramp
@@ -61,7 +63,7 @@ void JammerProcessor::execute(const buffer_c8_t& buffer) {
r++;
}*/
// Phase
// Phase noise
if (r >= 70) {
aphase += ((aphase>>4) ^ 0x4573) << 14;
r = 0;
@@ -70,69 +72,32 @@ void JammerProcessor::execute(const buffer_c8_t& buffer) {
}
aphase += 8830;
sample = sine_table_i8[(sphase & 0x03FC0000) >> 18];
sample = sine_table_i8[(aphase & 0x03FC0000) >> 18];
// FM
delta = sample * jammer_bw;
phase = (phase + delta);
phase += delta;
sphase = phase + (64 << 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] = {re, im};
}
};
void JammerProcessor::on_message(const Message* const msg) {
const auto message = *reinterpret_cast<const JammerConfigureMessage*>(msg);
jammer_ranges = (JammerRange*)shared_memory.bb_data.data;
/*const auto message = *reinterpret_cast<const DTMFTXConfigMessage*>(msg);
if (message.id == Message::ID::DTMFTXConfig) {
if (message.id == Message::ID::JammerConfigure) {
jammer_ranges = (JammerRange*)shared_memory.bb_data.data;
jammer_duration = 0;
current_range = -1;
// Translate DTMF message to index in DTMF frequencies table
tone_ptr = &shared_memory.tx_data[0];
for (;;) {
tone_code = *tone_ptr;
if (tone_code == 0xFF)
break; // End of message
else if (tone_code <= 9)
// That's already fine bro.
*tone_ptr = tone_code;
else if (tone_code == 'A')
*tone_ptr = 10;
else if (tone_code == 'B')
*tone_ptr = 11;
else if (tone_code == 'C')
*tone_ptr = 12;
else if (tone_code == 'D')
*tone_ptr = 13;
else if (tone_code == '#')
*tone_ptr = 14;
else if (tone_code == '*')
*tone_ptr = 15;
else {
*tone_ptr = 0xFF; // Invalid character, stop here
}
tone_ptr++;
}
// 1<<18 = 262144
// m = (262144 * a) / 1536000
// a = 262144 / 1536000 (*1000 = 171)
bw = 171 * (message.bw);
tone_length = message.tone_length * 154; // 153.6
pause_length = message.pause_length * 154; // 153.6
as = 0;
tone = false;
timer = 0;
tone_idx = 0;
configured = true;
}*/
}
}
int main() {

21
firmware/baseband/proc_jammer.hpp
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@@ -38,18 +38,17 @@ private:
BasebandThread baseband_thread { 1536000, this, NORMALPRIO + 20, baseband::Direction::Transmit };
JammerRange * jammer_ranges;
JammerRange * jammer_ranges { };
int32_t lfsr32 = 0xABCDE;
uint32_t s;
int8_t r, ir, re, im;
int64_t jammer_bw, jammer_center;
int feedback;
int32_t lfsr;
uint32_t sample_count;
uint32_t aphase, phase, sphase;
int32_t sample, delta;
RetuneMessage message;
uint32_t jammer_duration { 0 };
int8_t r { 0 }, ir { 0 };
int32_t current_range { 0 };
int64_t jammer_center { 0 };
uint32_t sample_count { 0 };
uint32_t aphase { 0 }, phase { 0 }, delta { 0 }, sphase { 0 };
int32_t sample { 0 }, jammer_bw { 0 };
int8_t re, im;
RetuneMessage message { };
};
#endif

5
firmware/baseband/proc_ook.cpp
View File

@@ -28,12 +28,13 @@
#include <cstdint>
void OOKProcessor::execute(const buffer_c8_t& buffer) {
int8_t re, im;
// This is called at 2.28M/2048 = 1113Hz
if (!configured) return;
for (size_t i = 0; i<buffer.count; i++) {
for (size_t i = 0; i < buffer.count; i++) {
// Synthesis at 2.28M/10 = 228kHz
if (!s) {
@@ -89,7 +90,7 @@ void OOKProcessor::execute(const buffer_c8_t& buffer) {
im = 0;
}
buffer.p[i] = {(int8_t)re, (int8_t)im};
buffer.p[i] = {re, im};
}
}

27
firmware/baseband/proc_ook.hpp
View File

@@ -37,22 +37,21 @@ private:
BasebandThread baseband_thread { 2280000, this, NORMALPRIO + 20, baseband::Direction::Transmit };
uint32_t samples_per_bit;
uint8_t repeat;
uint32_t length;
uint32_t pause;
uint32_t samples_per_bit { 0 };
uint8_t repeat { 0 };
uint32_t length { 0 };
uint32_t pause { 0 };
uint32_t pause_counter = 0;
uint8_t repeat_counter = 0;
int8_t re, im;
uint8_t s = 0;
uint16_t bit_pos = 0;
uint8_t cur_bit = 0;
uint32_t sample_count;
uint32_t tone_phase, phase, sphase;
int32_t tone_sample, sig, frq;
uint32_t pause_counter { 0 };
uint8_t repeat_counter { 0 };
uint8_t s { 0 };
uint16_t bit_pos { 0 };
uint8_t cur_bit { 0 };
uint32_t sample_count { 0 };
uint32_t tone_phase { 0 }, phase { 0 }, sphase { 0 };
int32_t tone_sample { 0 }, sig { 0 }, frq { 0 };
TXDoneMessage txdone_message;
TXDoneMessage txdone_message { };
};
#endif