mayhem-firmware/firmware/application/ui_rds.cpp

165 lines
3.7 KiB
C++

/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
*
* This file is part of PortaPack.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "ui_rds.hpp"
#include "ch.h"
#include "ff.h"
#include "hackrf_gpio.hpp"
#include "portapack.hpp"
#include "radio.hpp"
#include "hackrf_hal.hpp"
#include "portapack_shared_memory.hpp"
#include <cstring>
using namespace hackrf::one;
namespace ui {
void RDSView::focus() {
button_setpsn.focus();
}
RDSView::~RDSView() {
transmitter_model.disable();
}
std::string to_string_bin(const uint32_t n, const uint8_t l) {
char p[32];
for (uint8_t c = 0; c < l; c++) {
if ((n<<c) & (1<<l))
p[c] = '1';
else
p[c] = '0';
}
p[l] = 0;
return p;
}
uint32_t makeblock(uint32_t blockdata, uint16_t offset) {
uint16_t CRC = 0;
uint8_t doinv;
for (uint8_t i = 0; i < 16; i++) {
doinv = (((blockdata<<i) & 0x8000)>>15) ^ (CRC>>9);
if (doinv) CRC ^= 0b0011011100;
CRC = ((CRC<<1) | doinv) & 0x3FF;
}
return (blockdata<<10) | (CRC ^ offset);
}
//Make PI
//Set frequency
//TA/TP flags
//Group selection
//RST SNCF
//Jammer
//Microphone troll
//CTCSS
void RDSView::paint(Painter& painter) {
uint8_t c;
uint32_t group[4][4] = {
{0b1111100001001001, //PI
0b0000110011101000, //Address
0b1111100001001001, //PI
0b0000000000000000}, //Replaced
{0b1111100001001001, //PI
0b0000110011101001, //Address
0b1111100001001001, //PI
0b0000000000000000}, //Replaced
{0b1111100001001001, //PI
0b0000110011101010, //Address
0b1111100001001001, //PI
0b0000000000000000}, //Replaced
{0b1111100001001001, //PI
0b0000110011101011, //Address
0b1111100001001001, //PI
0b0000000000000000}, //Replaced
};
//Insert PSN data in groups
group[0][3] = (psname[0]<<8) | psname[1];
group[1][3] = (psname[2]<<8) | psname[3];
group[2][3] = (psname[4]<<8) | psname[5];
group[3][3] = (psname[6]<<8) | psname[7];
//Generate checkbits
for (c = 0; c < 4; c++) {
group[c][0] = makeblock(group[c][0], 0b0011111100);
group[c][1] = makeblock(group[c][1], 0b0110011000);
group[c][2] = makeblock(group[c][2], 0b1101010000); //C'
group[c][3] = makeblock(group[c][3], 0b0110110100);
}
const Point offset = {
static_cast<Coord>(64),
static_cast<Coord>(32)
};
const auto text = psname;
painter.draw_string(
screen_pos() + offset,
style(),
text
);
for (c = 0; c < 16; c++) {
shared_memory.rdsdata[c] = group[c >> 2][c & 3];
}
}
RDSView::RDSView(
NavigationView& nav,
TransmitterModel& transmitter_model
) : transmitter_model(transmitter_model)
{
transmitter_model.set_tuning_frequency(93000000);
strcpy(psname, "TEST1234");
add_children({ {
&text_title,
&button_setpsn,
&button_transmit,
&button_exit
} });
button_setpsn.on_select = [this,&nav](Button&){
auto an_view = new AlphanumView { nav, psname, 8 };
nav.push(an_view);
};
button_transmit.on_select = [&transmitter_model](Button&){
transmitter_model.enable();
};
button_exit.on_select = [&nav](Button&){
nav.pop();
};
}
} /* namespace ui */