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OOK transmit is mostly working, bit durations are wrong

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Simplified messages carrying data (uses shared_memory instead)
Added SymField widget (bitfield, symbol field...)
Added some space for baseband code
BMP palette loading bugfix
This commit is contained in:
furrtek 2016-08-06 08:49:45 +02:00
parent a9a3bbe96d
commit 38e506a108
30 changed files with 588 additions and 411 deletions
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67
firmware/baseband/proc_ook.cpp
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@ -35,31 +35,38 @@ void OOKProcessor::execute(const buffer_c8_t& buffer) {
for (size_t i = 0; i<buffer.count; i++) {
// Synthesis at 2.28M/2 = 1.14MHz
// Synthesis at 2.28M/10 = 228kHz
if (!s) {
s = 2 - 1;
s = 10 - 1;
if (sample_count >= samples_per_bit) {
if (configured) {
cur_bit = (bitstream[bit_pos >> 3] << (bit_pos & 7)) & 0x80;
bit_pos++;
if (bit_pos >= stream_size) {
if (bit_pos >= length) {
// End of data
if (repeat_counter < repeat) {
// Repeat
bit_pos = 0;
cur_bit = bitstream[0] & 0x80;
message.n = repeat_counter + 1;
shared_memory.application_queue.push(message);
repeat_counter++;
} else {
// Stop
if (pause_counter == 0) {
pause_counter = pause;
cur_bit = 0;
message.n = 0;
shared_memory.application_queue.push(message);
configured = false;
} else if (pause_counter == 1) {
if (repeat_counter < repeat) {
// Repeat
bit_pos = 0;
cur_bit = shared_memory.tx_data[0] & 0x80;
message.n = repeat_counter + 1;
shared_memory.application_queue.push(message);
repeat_counter++;
} else {
// Stop
cur_bit = 0;
message.n = 0;
shared_memory.application_queue.push(message);
configured = false;
}
pause_counter = 0;
} else {
pause_counter--;
}
} else {
cur_bit = (shared_memory.tx_data[bit_pos >> 3] << (bit_pos & 7)) & 0x80;
bit_pos++;
}
}
@ -71,13 +78,17 @@ void OOKProcessor::execute(const buffer_c8_t& buffer) {
s--;
}
if (cur_bit) phase += 100; // ?
sphase = phase + (64 << 18);
if (cur_bit) {
phase = (phase + 200); // What ?
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]);
} else {
re = 0;
im = 0;
}
buffer.p[i] = {(int8_t)re, (int8_t)im};
}
}
@ -86,12 +97,12 @@ void OOKProcessor::on_message(const Message* const p) {
const auto message = *reinterpret_cast<const OOKConfigureMessage*>(p);
if (message.id == Message::ID::OOKConfigure) {
//memcpy(bitstream, message.ook_bitstream, 64);
samples_per_bit = message.samples_per_bit;
stream_size = message.stream_length;
repeat = message.repeat - 1;
length = message.stream_length - 1;
pause = message.pause_symbols + 1;
pause_counter = 0;
s = 0;
sample_count = samples_per_bit;
repeat_counter = 0;