Git-Mirrors/portapack-mayhem
1
0
Fork 0
mirror of https://github.com/eried/portapack-mayhem.git synced 2025-05-07 17:24:58 -04:00
Code Issues Projects Releases Packages Wiki Activity

Started writing (copying...) AFSK RX

Browse source 
Encoders: removed bit duration setting (frame duration is more useful)
This commit is contained in:
furrtek 2017-08-29 09:42:04 +01:00
parent cd6a1a7f3f
commit 42439d1885
23 changed files with 453 additions and 423 deletions
Download patch file Download diff file Expand all files Collapse all files

93
firmware/application/ui_encoders.cpp
View file

@ -32,9 +32,7 @@ namespace ui {
EncodersConfigView::EncodersConfigView(
NavigationView& nav, Rect parent_rect
) {
using name_t = std::string;
using value_t = int32_t;
using option_t = std::pair<name_t, value_t>;
using option_t = std::pair<std::string, int32_t>;
std::vector<option_t> enc_options;
size_t i;
@ -47,9 +45,8 @@ EncodersConfigView::EncodersConfigView(
add_children({
&labels,
&options_enctype,
&numberfield_clk,
&numberfield_bitduration,
&numberfield_wordduration,
&field_clk,
&field_frameduration,
&symfield_word,
&text_format,
&waveform
@ -71,31 +68,19 @@ EncodersConfigView::EncodersConfigView(
};
// Selecting input clock changes symbol and word duration
numberfield_clk.on_change = [this](int32_t value) {
field_clk.on_change = [this](int32_t value) {
// value is in kHz, new_value is in us
int32_t new_value = 1000000 / ((value * 1000) / encoder_def->clk_per_symbol);
if (new_value != numberfield_bitduration.value()) {
numberfield_bitduration.set_value(new_value, false);
numberfield_wordduration.set_value(new_value * encoder_def->word_length, false);
}
};
// Selecting symbol duration changes input clock and word duration
numberfield_bitduration.on_change = [this](int32_t value) {
int32_t new_value = 1000000 / (((float)value * 1000) / encoder_def->clk_per_symbol);
if (new_value != numberfield_clk.value()) {
numberfield_clk.set_value(new_value, false);
numberfield_wordduration.set_value(value * encoder_def->word_length, false);
}
int32_t new_value = (encoder_def->clk_per_symbol * 1000000) / (value * 1000);
if (new_value != field_frameduration.value())
field_frameduration.set_value(new_value * encoder_def->word_length, false);
};
// Selecting word duration changes input clock and symbol duration
numberfield_wordduration.on_change = [this](int32_t value) {
int32_t new_value = value / encoder_def->word_length;
if (new_value != numberfield_bitduration.value()) {
numberfield_bitduration.set_value(new_value, false);
numberfield_clk.set_value(1000000 / (((float)new_value * 1000) / encoder_def->clk_per_symbol), false);
}
field_frameduration.on_change = [this](int32_t value) {
// value is in us, new_value is in kHz
int32_t new_value = (value * 1000) / (encoder_def->word_length * encoder_def->clk_per_symbol);
if (new_value != field_clk.value())
field_clk.set_value(1000000 / new_value, false);
};
}
@ -104,16 +89,13 @@ void EncodersConfigView::focus() {
}
void EncodersConfigView::on_type_change(size_t index) {
std::string word_format, format_string = "";
std::string format_string = "";
size_t word_length;
char symbol_type;
//size_t address_length;
//enc_type = index;
encoder_def = &encoder_defs[index];
numberfield_clk.set_value(encoder_def->default_speed / 1000);
field_clk.set_value(encoder_def->default_speed / 1000);
// SymField setup
word_length = encoder_def->word_length;
@ -139,16 +121,14 @@ void EncodersConfigView::on_type_change(size_t index) {
}
void EncodersConfigView::on_show() {
// TODO: Remove ?
//options_enctype.set_selected_index(enc_type);
//on_type_change(enc_type);
options_enctype.set_selected_index(0);
on_type_change(0);
}
void EncodersConfigView::draw_waveform() {
size_t length = frame_symbols.length();
size_t n;
for (n = 0; n < length; n++) {
for (size_t n = 0; n < length; n++) {
if (frame_symbols[n] == '0')
waveform_buffer[n] = 0;
else
@ -179,7 +159,7 @@ uint8_t EncodersConfigView::repeat_min() {
}
uint32_t EncodersConfigView::samples_per_bit() {
return OOK_SAMPLERATE / ((numberfield_clk.value() * 1000) / encoder_def->clk_per_fragment);
return OOK_SAMPLERATE / ((field_clk.value() * 1000) / encoder_def->clk_per_fragment);
}
uint32_t EncodersConfigView::pause_symbols() {
@ -199,20 +179,26 @@ EncodersScanView::EncodersScanView(
add_children({
&labels,
&field_debug,
&text_debug
&text_debug,
&text_length
});
// DEBUG
field_debug.on_change = [this](int32_t value) {
uint32_t l;
size_t length;
de_bruijn debruijn_seq;
debruijn_seq.init(value);
length = debruijn_seq.init(value);
l = 1;
l <<= value;
l--;
if (l > 25)
l = 25;
text_debug.set(to_string_bin(debruijn_seq.compute(l), 25));
text_length.set(to_string_dec_uint(length));
};
}
@ -256,7 +242,7 @@ void EncodersView::on_txdone(int n, const bool txdone) {
if (!txdone) {
// Repeating...
//repeat_index = n + 1;
repeat_index = n + 1;
/*if (tx_mode == SCAN) {
scan_progress++;
@ -299,8 +285,9 @@ void EncodersView::on_txdone(int n, const bool txdone) {
void EncodersView::start_tx(const bool scan) {
(void)scan;
uint8_t* ook_bitstream = shared_memory.bb_data.data;
uint32_t ook_bitstream_length;
uint8_t byte = 0;
size_t bitstream_length =0;
uint8_t * bitstream = shared_memory.bb_data.data;
repeat_min = view_config.repeat_min();
@ -324,17 +311,14 @@ void EncodersView::start_tx(const bool scan) {
view_config.generate_frame();
// Clear bitstream
memset(ook_bitstream, 0, 256);
size_t n = 0;
for (auto c : view_config.frame_symbols) {
byte <<= 1;
if (c != '0')
ook_bitstream[n >> 3] |= (1 << (7 - (n & 7)));
n++;
byte |= 1;
if ((bitstream_length & 7) == 7)
bitstream[bitstream_length >> 3] = byte;
bitstream_length++;
}
ook_bitstream_length = n;
transmitter_model.set_sampling_rate(OOK_SAMPLERATE);
transmitter_model.set_rf_amp(true);
@ -342,10 +326,7 @@ void EncodersView::start_tx(const bool scan) {
transmitter_model.enable();
baseband::set_ook_data(
ook_bitstream_length,
// 2280000/2 = 1140000Hz = 0,877192982us
// numberfield_clk.value() / encoder_def->clk_per_fragment
// 455000 / 12 = 37917Hz = 26,37339452us
bitstream_length,
view_config.samples_per_bit(),
repeat_min,
view_config.pause_symbols()