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More AFSK options, scan lists,

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This commit is contained in:
furrtek 2016-08-02 12:44:31 +02:00
parent 72f3c08e9b
commit e2218a0f32
20 changed files with 445 additions and 275 deletions
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53
firmware/baseband/proc_afsk.cpp
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@ -29,22 +29,24 @@
void AFSKProcessor::execute(const buffer_c8_t& buffer) {
// This is called at 2280000/2048 = 1113Hz
// This is called at 2.28M/2048 = 1113Hz
if (!configured) return;
for (size_t i = 0; i<buffer.count; i++) {
// Tone generation at 2280000/10 = 228kHz
if (s >= (10 - 1)) {
s = 0;
// Tone synthesis at 2.28M/10 = 228kHz
if (!s) {
s = 10 - 1;
if (sample_count >= afsk_samples_per_bit) {
if (configured == true) {
if (configured) {
cur_byte = message_data[byte_pos];
ext_byte = message_data[byte_pos + 1];
if (!(cur_byte | ext_byte)) {
// End of data
if (repeat_counter < afsk_repeat) {
// Repeat
bit_pos = 0;
byte_pos = 0;
cur_byte = message_data[0];
@ -53,36 +55,33 @@ void AFSKProcessor::execute(const buffer_c8_t& buffer) {
shared_memory.application_queue.push(message);
repeat_counter++;
} else {
message.n = 0;
shared_memory.application_queue.push(message);
// Stop
cur_byte = 0;
ext_byte = 0;
message.n = 0;
shared_memory.application_queue.push(message);
configured = false;
}
}
}
if (!afsk_alt_format) {
if (afsk_format == 0) {
// 0bbbbbbbp1
// Start, 7-bit data, parity, stop
gbyte = 0;
gbyte = cur_byte << 1;
gbyte |= 1;
} else {
gbyte = (cur_byte << 1) | 1;
} else if (afsk_format == 1) {
// 0bbbbbbbbp
// Start, 8-bit data, parity
gbyte = 0;
gbyte = cur_byte << 1;
gbyte |= (ext_byte & 1);
gbyte = (cur_byte << 1) | (ext_byte & 1);
}
cur_bit = (gbyte >> (9 - bit_pos)) & 1;
if (bit_pos == 9) {
if (bit_pos >= 9) {
bit_pos = 0;
if (!afsk_alt_format)
if (afsk_format == 0)
byte_pos++;
else
else if (afsk_format == 1)
byte_pos += 2;
} else {
bit_pos++;
@ -97,10 +96,10 @@ void AFSKProcessor::execute(const buffer_c8_t& buffer) {
else
tone_phase += afsk_phase_inc_space;
} else {
s++;
s--;
}
tone_sample = (sine_table_i8[(tone_phase & 0x03FC0000)>>18]);
tone_sample = (sine_table_i8[(tone_phase & 0x03FC0000) >> 18]);
// FM
// 1<<18 = 262144
@ -108,17 +107,18 @@ void AFSKProcessor::execute(const buffer_c8_t& buffer) {
frq = tone_sample * afsk_bw;
phase = (phase + frq);
sphase = phase + (64<<18);
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};
}
}
void AFSKProcessor::on_message(const Message* const p) {
const auto message = *reinterpret_cast<const AFSKConfigureMessage*>(p);
if (message.id == Message::ID::AFSKConfigure) {
memcpy(message_data, message.message_data, 512);
afsk_samples_per_bit = message.afsk_samples_per_bit;
@ -126,8 +126,9 @@ void AFSKProcessor::on_message(const Message* const p) {
afsk_phase_inc_space = message.afsk_phase_inc_space;
afsk_repeat = message.afsk_repeat - 1;
afsk_bw = message.afsk_bw;
afsk_alt_format = message.afsk_alt_format;
afsk_format = message.afsk_format;
s = 0;
sample_count = afsk_samples_per_bit;
repeat_counter = 0;
bit_pos = 0;