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Jammer ramp mode

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Jammer range splitting, hopping. Only 1MHz wide splits for now.
This commit is contained in:
furrtek
2015-11-14 03:44:49 +01:00
parent 66de53744e
commit bcbad4629f
7 changed files with 148 additions and 37 deletions
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60
firmware/baseband/main.cpp
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@@ -851,7 +851,7 @@ private:
TXDoneMessage message;
};
class ToneProcessor : public BasebandProcessor {
/*class ToneProcessor : public BasebandProcessor {
public:
void execute(buffer_c8_t buffer) override {
@@ -887,7 +887,7 @@ private:
uint32_t sample_count;
uint32_t aphase, phase, sphase;
int32_t sample, sig, frq;
};
};*/
#define POLY_MASK_32 0xB4BCD35C
@@ -918,19 +918,50 @@ public:
sample = sintab[(aphase & 0x03FF0000)>>16];*/
if (s >= 10) {
if (sample < 128)
sample++;
else
sample = -127;
// Duration timer
//
if (s >= 10000) { //shared_memory.jammer_ranges[ir].duration
s = 0;
for (;;) {
ir++;
if (ir > 15) ir = 0;
if (shared_memory.jammer_ranges[ir].active == true) break;
}
jammer_bw = shared_memory.jammer_ranges[ir].width;
if( message.is_free() ) {
message.freq = shared_memory.jammer_ranges[ir].center;
shared_memory.application_queue.push(&message);
}
} else {
s++;
}
//FM
frq = sample << 17; // Bandwidth
// Ramp
/*if (r >= 10) {
if (sample < 128)
sample++;
else
sample = -127;
r = 0;
} else {
r++;
}*/
// Phase
if (r >= 70) {
aphase += ((aphase>>4) ^ 0x4573) << 14;
r = 0;
} else {
r++;
}
aphase += 35320;
sample = sintab[(aphase & 0x03FF0000)>>16];
//FM
frq = sample * jammer_bw; // Bandwidth
//65536 -> 0.6M
//131072 -> 1.2M
@@ -945,13 +976,16 @@ public:
}
private:
int32_t s, lfsr32 = 0xABCDE;
int8_t re, im;
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, frq;
RetuneMessage message;
};
static BasebandProcessor* baseband_processor { nullptr };
@@ -1224,10 +1258,10 @@ int main(void) {
baseband_processor = new LCRFSKProcessor();
break;
case 17:
/*case 17:
direction = baseband::Direction::Transmit;
baseband_processor = new ToneProcessor();
break;
break;*/
case 18:
direction = baseband::Direction::Transmit;