Fixed LCR transmit and AFSK baseband module

This commit is contained in:
furrtek
2016-07-27 21:26:03 +02:00
parent 79f2134d91
commit e958b4bd7d
18 changed files with 390 additions and 271 deletions

View File

@@ -32,7 +32,6 @@
#include "hackrf_gpio.hpp"
#include "portapack.hpp"
#include "event_m0.hpp"
#include "radio.hpp"
#include "string_format.hpp"
@@ -52,16 +51,19 @@ void LCRView::focus() {
}
LCRView::~LCRView() {
radio::disable();
transmitter_model.disable();
baseband::shutdown();
}
void LCRView::make_frame() {
void LCRView::generate_message() {
// Modem sync and SOM
const char lcr_init[8] = { 127, 127, 127, 127, 127, 127, 127, 15 };
// Eclairage (Auto, Jour, Nuit)
const char ec_lut[3][2] = { { 'A', 0x00 },
{ 'J', 0x00 },
{ 'N', 0x00 }
};
char eom[3] = { 3, 0, 0 }; // EOM and space for checksum
uint8_t i, pm;
{ 'N', 0x00 } };
char eom[3] = { 3, 0, 0 }; // EOM and space for checksum
uint8_t i, pm, bit;
uint16_t dp;
uint8_t cp, pp, cur_byte, new_byte;
@@ -74,63 +76,56 @@ void LCRView::make_frame() {
}
}
// Make LCR frame
memset(lcrframe, 0, 256);
lcrframe[0] = 127; // Modem sync
lcrframe[1] = 127;
lcrframe[2] = 127;
lcrframe[3] = 127;
lcrframe[4] = 127;
lcrframe[5] = 127;
lcrframe[6] = 127;
lcrframe[7] = 15; // SOM
// Compose LCR message
memset(lcr_message, 0, 256);
memcpy(lcr_message, lcr_init, 8);
strcat(lcrframe, rgsb);
strcat(lcrframe, "PA ");
strcat(lcr_message, rgsb); // Address
strcat(lcr_message, "PA ");
if (checkbox_am_a.value() == true) {
strcat(lcrframe, "AM=1 AF=\"");
strcat(lcrframe, litteral[0]);
strcat(lcrframe, "\" CL=0 ");
strcat(lcr_message, "AM=1 AF=\"");
strcat(lcr_message, litteral[0]);
strcat(lcr_message, "\" CL=0 ");
}
if (checkbox_am_b.value() == true) {
strcat(lcrframe, "AM=2 AF=\"");
strcat(lcrframe, litteral[1]);
strcat(lcrframe, "\" CL=0 ");
strcat(lcr_message, "AM=2 AF=\"");
strcat(lcr_message, litteral[1]);
strcat(lcr_message, "\" CL=0 ");
}
if (checkbox_am_c.value() == true) {
strcat(lcrframe, "AM=3 AF=\"");
strcat(lcrframe, litteral[2]);
strcat(lcrframe, "\" CL=0 ");
strcat(lcr_message, "AM=3 AF=\"");
strcat(lcr_message, litteral[2]);
strcat(lcr_message, "\" CL=0 ");
}
if (checkbox_am_d.value() == true) {
strcat(lcrframe, "AM=4 AF=\"");
strcat(lcrframe, litteral[3]);
strcat(lcrframe, "\" CL=0 ");
strcat(lcr_message, "AM=4 AF=\"");
strcat(lcr_message, litteral[3]);
strcat(lcr_message, "\" CL=0 ");
}
if (checkbox_am_e.value() == true) {
strcat(lcrframe, "AM=5 AF=\"");
strcat(lcrframe, litteral[4]);
strcat(lcrframe, "\" CL=0 ");
strcat(lcr_message, "AM=5 AF=\"");
strcat(lcr_message, litteral[4]);
strcat(lcr_message, "\" CL=0 ");
}
strcat(lcrframe, "EC=");
strcat(lcrframe, ec_lut[options_ec.selected_index()]);
strcat(lcrframe, " SAB=0");
strcat(lcr_message, "EC=");
strcat(lcr_message, ec_lut[options_ec.selected_index()]);
strcat(lcr_message, " SAB=0");
memcpy(lcrstring, lcrframe, 256);
memcpy(lcr_string, lcr_message, 256);
// Checksum
checksum = 0;
i = 7; // Skip modem sync
while (lcrframe[i]) {
checksum ^= lcrframe[i];
while (lcr_message[i]) {
checksum ^= lcr_message[i];
i++;
}
checksum ^= eom[0]; // EOM char
checksum &= 0x7F;
checksum &= 0x7F; // Trim
eom[1] = checksum;
strcat(lcrframe, eom);
strcat(lcr_message, eom);
//if (persistent_memory::afsk_config() & 2)
pm = 0; // Even parity
@@ -138,30 +133,31 @@ void LCRView::make_frame() {
// pm = 1; // Odd parity
if (!(persistent_memory::afsk_config() & 8)) {
// Clear format
for (dp = 0; dp < strlen(lcrframe); dp++) {
// Normal format
for (dp = 0; dp < strlen(lcr_message); dp++) {
pp = pm;
new_byte = 0;
cur_byte = lcrframe[dp];
cur_byte = lcr_message[dp];
for (cp = 0; cp < 7; cp++) {
if ((cur_byte >> cp) & 1) pp++;
new_byte |= (((cur_byte >> cp) & 1) << (7 - cp));
bit = (cur_byte >> cp) & 1;
pp += bit;
new_byte |= (bit << (7 - cp));
}
lcrframe_f[dp] = new_byte | (pp & 1);
lcr_message_data[dp] = new_byte | (pp & 1);
}
lcrframe_f[dp] = 0;
lcr_message_data[dp] = 0;
} else {
// Alt format
for (dp = 0; dp < strlen(lcrframe); dp++) {
for (dp = 0; dp < strlen(lcr_message); dp++) {
pp = pm;
cur_byte = alt_lookup[lcrframe[dp]];
cur_byte = alt_lookup[(uint8_t)lcr_message[dp] & 0x7F];
for (cp = 0; cp < 8; cp++) {
if ((cur_byte >> cp) & 1) pp++;
}
lcrframe_f[dp * 2] = cur_byte;
lcrframe_f[(dp * 2) + 1] = pp & 1;
lcr_message_data[dp * 2] = cur_byte;
lcr_message_data[(dp * 2) + 1] = pp & 1;
}
lcrframe_f[dp * 2] = 0;
lcr_message_data[dp * 2] = 0;
}
//if (persistent_memory::afsk_config() & 1) {
@@ -169,13 +165,13 @@ void LCRView::make_frame() {
// See above
/*} else {
// MSB first
for (dp=0;dp<strlen(lcrframe);dp++) {
for (dp=0;dp<strlen(lcr_message);dp++) {
pp = pm;
cur_byte = lcrframe[dp];
cur_byte = lcr_message[dp];
for (cp=0;cp<7;cp++) {
if ((cur_byte>>cp)&1) pp++;
}
lcrframe_f[dp] = (cur_byte<<1)|(pp&1);
lcr_message_data[dp] = (cur_byte<<1)|(pp&1);
}
}*/
}
@@ -206,14 +202,17 @@ void LCRView::paint(Painter& painter) {
button_setrgsb.set_text(rgsb);
// Recap: tx freq @ bps / ALT
// Recap: freq @ bps / ALT
auto fstr = to_string_dec_int(portapack::persistent_memory::tuned_frequency() / 1000, 6);
auto bstr = to_string_dec_int(portapack::persistent_memory::afsk_bitrate(), 4);
strcpy(finalstr, fstr.c_str());
strcat(finalstr, "@");
strcat(finalstr, bstr.c_str());
strcat(finalstr, "bps");
if (portapack::persistent_memory::afsk_config() & 8) strcat(finalstr, " ALT");
if (portapack::persistent_memory::afsk_config() & 8)
strcat(finalstr, " ALT");
else
strcat(finalstr, " NRM");
text_recap.set(finalstr);
}
@@ -226,9 +225,8 @@ void LCRView::on_txdone(int n) {
strcat(str, rgsb);
text_status.set(str);
progress.set_value(0);
radio::disable();
txing = false;
scanning = false;
transmitter_model.disable();
tx_mode = IDLE;
abort_scan = false;
button_scan.set_style(&style_val);
button_scan.set_text("SCAN");
@@ -236,8 +234,8 @@ void LCRView::on_txdone(int n) {
}
if (n > 0) {
if (scanning) {
scan_progress += 0.555f;
if (tx_mode == SCAN) {
scan_progress += 0.555f; // 100/(37*5)
progress.set_value(scan_progress);
} else {
text_status.set(" ");
@@ -247,71 +245,52 @@ void LCRView::on_txdone(int n) {
progress.set_value((6 - n) * 20);
}
} else {
if (scanning && (scan_index < 36)) {
radio::disable();
if ((tx_mode == SCAN) && (scan_index < LCR_SCAN_COUNT)) {
transmitter_model.disable();
// Next address
strcpy(rgsb, RGSB_list[scan_index]);
make_frame();
memset(shared_memory.radio_data, 0, 256);
memcpy(shared_memory.radio_data, lcrframe_f, 256);
shared_memory.afsk_transmit_done = false;
shared_memory.afsk_repeat = 5;
generate_message();
text_status.set(" ");
strcpy(str, to_string_dec_int(scan_index).c_str());
strcat(str, "/36");
strcat(str, "/");
strcat(str, to_string_dec_uint(LCR_SCAN_COUNT).c_str());
text_status.set(str);
scan_progress += 0.694f;
progress.set_value(scan_progress);
scan_index++;
radio::disable();
// start_tx ?
} else {
text_status.set("Ready ");
progress.set_value(0);
radio::disable();
txing = false;
scanning = false;
transmitter_model.disable();
tx_mode = IDLE;
button_scan.set_style(&style_val);
button_scan.set_text("SCAN");
}
}
}
void LCRView::start_tx() {
void LCRView::start_tx(const bool scan) {
char str[16];
bool afsk_alt_format;
if (scanning) {
if (scan) {
tx_mode = SCAN;
scan_index = 0;
strcpy(rgsb, RGSB_list[0]);
} else {
tx_mode = SINGLE;
}
make_frame();
lcr_radio_config.tuning_frequency = portapack::persistent_memory::tuned_frequency();
shared_memory.afsk_samples_per_bit = 228000 / portapack::persistent_memory::afsk_bitrate();
shared_memory.afsk_phase_inc_mark = portapack::persistent_memory::afsk_mark_freq() * (0x40000 * 256) / 2280;
shared_memory.afsk_phase_inc_space = portapack::persistent_memory::afsk_space_freq() * (0x40000 * 256) / 2280;
generate_message();
if (portapack::persistent_memory::afsk_config() & 8)
shared_memory.afsk_alt_format = true;
else
shared_memory.afsk_alt_format = false;
shared_memory.afsk_fmmod = portapack::persistent_memory::afsk_bw() * 8;
memset(shared_memory.radio_data, 0, 256);
memcpy(shared_memory.radio_data, lcrframe_f, 256);
shared_memory.afsk_transmit_done = false;
shared_memory.afsk_repeat = 5; //(portapack::persistent_memory::afsk_config() >> 8) & 0xFF;
if (scanning) {
if (tx_mode == SCAN) {
text_status.set(" ");
strcat(str, "1/36");
strcpy(str, "1/");
strcat(str, to_string_dec_uint(LCR_SCAN_COUNT).c_str());
text_status.set(str);
progress.set_value(1);
scan_index++;
@@ -321,19 +300,42 @@ void LCRView::start_tx() {
text_status.set(str);
progress.set_value(20);
}
if (portapack::persistent_memory::afsk_config() & 8)
afsk_alt_format = true;
else
afsk_alt_format = false;
txing = true;
radio::enable(lcr_radio_config);
transmitter_model.set_tuning_frequency(portapack::persistent_memory::tuned_frequency());
transmitter_model.set_baseband_configuration({
.mode = 0,
.sampling_rate = 2280000U,
.decimation_factor = 1,
});
transmitter_model.set_rf_amp(true);
transmitter_model.set_lna(40);
transmitter_model.set_vga(40);
transmitter_model.set_baseband_bandwidth(1750000);
transmitter_model.enable();
baseband::set_afsk_data(
lcr_message_data,
228000 / portapack::persistent_memory::afsk_bitrate(),
portapack::persistent_memory::afsk_mark_freq() * (0x40000 * 256) / 2280,
portapack::persistent_memory::afsk_space_freq() * (0x40000 * 256) / 2280,
5,
portapack::persistent_memory::afsk_bw() * 115, // See proc_fsk_lcr.cpp
afsk_alt_format
);
}
LCRView::LCRView(NavigationView& nav) {
baseband::run_image(portapack::spi_flash::image_tag_lcr);
baseband::run_image(portapack::spi_flash::image_tag_afsk);
memset(litteral, 0, 5 * 8);
memset(rgsb, 0, 5);
strcpy(rgsb, RGSB_list[0]);
button_setrgsb.set_text(rgsb);
add_children({ {
&text_recap,
@@ -358,7 +360,9 @@ LCRView::LCRView(NavigationView& nav) {
&button_clear
} });
options_ec.set_selected_index(0);
button_setrgsb.set_text(rgsb);
options_ec.set_selected_index(0); // Auto
checkbox_am_a.set_value(true);
checkbox_am_b.set_value(false);
@@ -394,29 +398,27 @@ LCRView::LCRView(NavigationView& nav) {
};
button_lcrdebug.on_select = [this,&nav](Button&) {
make_frame();
nav.push<DebugLCRView>(lcrstring, checksum);
generate_message();
nav.push<DebugLCRView>(lcr_string, checksum);
};
button_transmit.on_select = [this](Button&) {
if (txing == false) start_tx();
if (tx_mode == IDLE) start_tx(false);
};
button_scan.on_select = [this](Button&) {
if (txing == false) {
scanning = true;
if (tx_mode == IDLE) {
scan_progress = 0;
button_scan.set_style(&style_cancel);
button_scan.set_text("ABORT");
start_tx();
start_tx(true);
} else {
abort_scan = true;
}
};
button_clear.on_select = [this, &nav](Button&) {
if (txing == false) {
scanning = false;
if (tx_mode == IDLE) {
memset(litteral, 0, 5 * 8);
options_ec.set_selected_index(0);
checkbox_am_a.set_value(true);
@@ -425,7 +427,7 @@ LCRView::LCRView(NavigationView& nav) {
checkbox_am_d.set_value(true);
checkbox_am_e.set_value(true);
set_dirty();
start_tx();
start_tx(false);
}
};
}