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Finished jammer modes

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Shaved off a few kBs by using the Labels widget
This commit is contained in:
furrtek 2017-02-13 05:35:13 +00:00
parent d12cd0d8af
commit 4e8980e5d8
26 changed files with 232 additions and 304 deletions
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47
firmware/baseband/proc_jammer.cpp
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@ -36,11 +36,11 @@ void JammerProcessor::execute(const buffer_c8_t& buffer) {
// Find next enabled range
do {
current_range++;
if (current_range == 24) current_range = 0; // Warning ! Should match JAMMER_MAX_CH
if (current_range == JAMMER_MAX_CH) current_range = 0;
} while (!jammer_channels[current_range].enabled);
jammer_duration = jammer_channels[current_range].duration;
jammer_bw = jammer_channels[current_range].width / 5; // TODO: Exact value
jammer_bw = jammer_channels[current_range].width / 2; // TODO: Exact value
// Ask for retune
message.freq = jammer_channels[current_range].center;
@ -50,29 +50,30 @@ void JammerProcessor::execute(const buffer_c8_t& buffer) {
jammer_duration--;
}
// Ramp
/*if (r >= 10) {
if (sample < 128)
sample++;
else
sample = -127;
r = 0;
} else {
r++;
}*/
// Phase noise
if (r >= 10) {
aphase += ((aphase >> 4) ^ 0x4573) << 20;
r = 0;
if (!period_counter) {
period_counter = noise_period;
if (noise_type == JammerType::TYPE_FSK) {
sample = (sample + lfsr) >> 1;
} else if (noise_type == JammerType::TYPE_TONE) {
tone_delta = 150000 + (lfsr >> 9); // Approx 100Hz to 6kHz
} else if (noise_type == JammerType::TYPE_SWEEP) {
sample++; // This is like saw wave FM
}
feedback = ((lfsr >> 31) ^ (lfsr >> 29) ^ (lfsr >> 15) ^ (lfsr >> 11)) & 1;
lfsr = (lfsr << 1) | feedback;
if (!lfsr) lfsr = 0x1337; // Shouldn't do this :(
} else {
r++;
period_counter--;
}
aphase += 8830;
sample = sine_table_i8[(aphase & 0xFF000000) >> 24];
if (noise_type == JammerType::TYPE_TONE) {
aphase += tone_delta;
sample = sine_table_i8[(aphase & 0xFF000000) >> 24];
}
// FM
delta = sample * jammer_bw;
phase += delta;
@ -92,9 +93,13 @@ void JammerProcessor::on_message(const Message* const msg) {
if (message.run) {
jammer_channels = (JammerChannel*)shared_memory.bb_data.data;
noise_type = message.type;
noise_speed = message.speed;
noise_period = 3072000 / message.speed;
if (noise_type == JammerType::TYPE_SWEEP)
noise_period >>= 8;
period_counter = 0;
jammer_duration = 0;
current_range = 0;
lfsr = 0xDEAD0012;
configured = true;
} else {