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Jammer UI

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Drew jammer UI
Added presets for French GSM operators and a few other funny frequencies
Added minimalist jamming baseband code
This commit is contained in:
furrtek 2015-11-13 01:19:05 +01:00
parent ff96464efe
commit 66de53744e
8 changed files with 579 additions and 9 deletions
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70
firmware/baseband/main.cpp
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@ -889,6 +889,71 @@ private:
int32_t sample, sig, frq;
};
#define POLY_MASK_32 0xB4BCD35C
class JammerProcessor : public BasebandProcessor {
public:
void execute(buffer_c8_t buffer) override {
for (size_t i = 0; i<buffer.count; i++) {
/*if (s > 3000000) {
s = 0;
feedback = lfsr & 1;
lfsr >>= 1;
if (feedback == 1)
lfsr ^= POLY_MASK_32;
} else {
s++;
}
aphase += lfsr;*/
/*if (s >= 10) {
s = 0;
aphase += 353205; // DEBUG
} else {
s++;
}
sample = sintab[(aphase & 0x03FF0000)>>16];*/
if (s >= 10) {
if (sample < 128)
sample++;
else
sample = -127;
s = 0;
} else {
s++;
}
//FM
frq = sample << 17; // Bandwidth
//65536 -> 0.6M
//131072 -> 1.2M
phase = (phase + frq);
sphase = phase + (256<<16);
re = sintab[(sphase & 0x03FF0000)>>16];
im = sintab[(phase & 0x03FF0000)>>16];
buffer.p[i] = {(int8_t)re,(int8_t)im};
}
}
private:
int32_t s, lfsr32 = 0xABCDE;
int8_t re, im;
int feedback;
int32_t lfsr;
uint32_t sample_count;
uint32_t aphase, phase, sphase;
int32_t sample, frq;
};
static BasebandProcessor* baseband_processor { nullptr };
static BasebandConfiguration baseband_configuration;
@ -1163,6 +1228,11 @@ int main(void) {
direction = baseband::Direction::Transmit;
baseband_processor = new ToneProcessor();
break;
case 18:
direction = baseband::Direction::Transmit;
baseband_processor = new JammerProcessor();
break;
default:
break;