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scan.cpp
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#include "scan.h"
//#include <QVector>
#include <QDebug>
//#include <QStringLiteral>
#include <QMutexLocker>
QVector<QVector<QString>> g_dab_vec_vec;
QVector<QVector<QString>> g_fm_vec_vec;
Scan::Scan(QObject *parent) : QObject(parent)
{
mStop_dab_scan = false;
mStop_fm_scan = false;
}
void Scan::stop_scans()
{
mStop_dab_scan = true;
mStop_fm_scan = true;
}
void Scan::fm_scan_wrapper()
{
int devfd = -1;
media_scan_fm_frequencies(strdup("/dev/radio0"),devfd);
}
int Scan::media_scan_fm_frequencies(char *device, int devfd) {
int fd;
g_fm_vec_vec.clear();
int prog_bar_fm = 0;
if (devfd>=0)
fd = devfd;
else {
printf("opening device: %s\n", device);
fd = net_open(device, O_RDWR);
}
if (fd>=0) {
// int i;
// int e;
// int current_scan_index=-1;
//qDebug() << "current scan index: " << current_scan_index;
struct fm_scan_setup setup;
struct fm_scan_parameters parameters;
memset(¶meters, 0x0, sizeof(struct fm_scan_parameters));
memset(&setup, 0x0, sizeof(struct fm_scan_setup));
//qDebug() << "memset: " << memset(&setup, 0x0, sizeof(struct fm_scan_setup));
//printf("SCAN SETUP\n");
net_ioctl(fd, FM_SCAN_SETUP, &setup);
int station = 0;
do {
//qDebug() << "READFREQ: " << parameters.READFREQ;
net_ioctl(fd, FM_SCAN_NEXT_FREQUENCY, ¶meters);
// printf("LOCK STAT: %x - %d - %d\n", parameters.status, parameters.VALID, parameters.READFREQ);
switch(parameters.status) {
case FM_SCAN_LOCKED:
{
QString freq = QString::number(parameters.READFREQ*1000);
float mhz_float = freq.toFloat() / 1000000;
//qDebug() << "mhz_float: " << mhz_float;
QString mhz = QString::number(mhz_float);
//qDebug() << "mhz: " << mhz;
if(!mhz.contains(".")){
mhz = mhz + ".0";
}
station++;
fm_vec.clear();
fm_vec.push_back("Station " + QString::number(station) + "@" + mhz + "MHz"); //Station x
fm_vec.push_back(freq); //frequency
fm_vec.push_back(""); //placeholder for fav
//qDebug() << "fm_vec: " << fm_vec;
g_fm_vec_vec.push_back(fm_vec);
//qDebug() << "g_fm_vec_vec: " << g_fm_vec_vec;
// }
break;
}
case FM_SCAN_SEARCHING:
usleep(10000);
break;
case FM_SCAN_COMPLETE:
{
//fprintf(stdout, "\nScan completed\n");
mStop_fm_scan = true;
break;
}
}
prog_bar_fm = (parameters.READFREQ - 87000) * 100 / 21000;
//qDebug() << "prog_bar_fm: " << prog_bar_fm;
emit progress_scan_fm(prog_bar_fm);
emit enable_buttons(false);
emit show_progbar_fm(true);
//qDebug() << "mStop_fm_scan: " << mStop_fm_scan;
} while (parameters.status != FM_SCAN_COMPLETE && mStop_fm_scan == false);
emit enable_buttons(true);
emit show_progbar_fm(false);
emit finished_scan_fm();
mStop_fm_scan = false; //reset for next scan
//qDebug() << "g_fm_vec_vec: " << g_fm_vec_vec;
if (devfd == -1)
net_close(fd);
}
return 0;
}
void Scan::dab_scan_wrapper()
{
int devfd = -1;
int console = -1;
int running = -1;
media_scan_dabfrequencies(strdup("/dev/dab0"),devfd,console,running);
}
int Scan::media_scan_dabfrequencies(char *device, int devfd, int console, int running)
{
int fd;
int rv;
int nlen;
char tmp[30];
dab_name_vec.clear();
dab_sid_vec.clear();
g_dab_vec_vec.clear();
int prog_bar_dab = 0;
if (devfd>=0)
fd = devfd;
else
fd = net_open(device, O_RDWR);
if (fd>=0) {
int current_scan_index=-1;
struct dab_scan_setup setup;
struct dab_scan_parameters parameters;
memset(¶meters, 0x0, sizeof(struct dab_scan_parameters));
memset(&setup, 0x0, sizeof(struct dab_scan_setup));
net_ioctl(fd, DAB_SCAN_SETUP, &setup);
static struct {
char channel[4];
uint32_t freq;
} dab_frequency_list[]={
{"5A", 174928},
{"5B",176640},
{"5C",178352},
{"5D",180064},
{"6A",181936},
{"6B",183648},
{"6C",185360},
{"6D",187072},
{"7A",188928},
{"7B",190640},
{"7C",192352},
{"7D",194064},
{"8A",195936},
{"8B",197648},
{"8C",199360},
{"8D",201072},
{"9A",202928},
{"9B",204640},
{"9C",206352},
{"9D",208064},
{"10A",209936},
{"10B",211648},
{"10C",213360},
{"10D",215072},
{"11A",216928},
{"11B",218640},
{"11C",220352},
{"11D",222064},
{"12A",223936},
{"12B",225648},
{"12C",227360},
{"12D",229072},
{"13A",230748},
{"13B",232496},
{"13C",234208},
{"13D",235776},
{"13E",237448},
{"13F",239200}
};
int dab_frequency_list_size =sizeof(dab_frequency_list)/sizeof(dab_frequency_list[0]);
do {
net_ioctl(fd, DAB_SCAN_NEXT_FREQUENCY, ¶meters);
if (current_scan_index != parameters.scan_index) {
if (console>=0) {
//sprintf(tmp, "%s %d\n", dab_frequency_list[parameters.scan_index].channel, dab_frequency_list[parameters.scan_index].freq*1000);
rv=write(console, tmp, nlen);
} else {
//fprintf(stdout, "%s %d\n", dab_frequency_list[parameters.scan_index].channel, dab_frequency_list[parameters.scan_index].freq*1000);
fflush(stdout);
}
}
switch(parameters.status) {
case DAB_SCAN_LOCKED:
{
if (console>=0) {
rv=write(console, "[LOCKED]\n", 9);
} else {
QString freq = QString::number(dab_frequency_list[parameters.scan_index].freq*1000);
uint freq_as_int = freq.toUInt();
//bool ok;
//tune to dab frequency locked
mTune.set_dab_freq(fd, freq_as_int);
//start scan dab services
//QString to char
QString string = "/dev/dab0";
QByteArray array = string.toLocal8Bit();
char* buffer = array.data();
media_scan_dabservices(buffer);
for(int j = 0; j < dab_sid_vec.size(); j++){
dab_vec.clear();
dab_vec.push_back(dab_name_vec.at(j)); //service_name
dab_vec.push_back(freq); //freq
dab_vec.push_back(dab_sid_vec.at(j)); //service_id
dab_vec.push_back(""); //placeholder for fav
g_dab_vec_vec.push_back(dab_vec);
}
dab_name_vec.clear();
dab_sid_vec.clear();
}
break;
}
case DAB_SCAN_SEARCHING:
usleep(10000);
break;
case DAB_SCAN_COMPLETE:
{
if (console>=0) {
//rv=write(console, "[FINISHED]\n", 11);
} else {
//fprintf(stdout, "\nScan completed\n");
}
break;
}
}
current_scan_index = parameters.scan_index;
prog_bar_dab = (current_scan_index * 100) / (dab_frequency_list_size -1);
emit progress_scan_dab(prog_bar_dab);
emit enable_buttons(false);
emit show_progbar_dab(true);
if (console>=0 && running == 0)
break;
if(prog_bar_dab == 100){
emit enable_buttons(true);
emit show_progbar_dab(false);
emit finished_scan_dab();
mStop_dab_scan = true;
}
} while (parameters.status != DAB_SCAN_COMPLETE && mStop_dab_scan == false);
mStop_dab_scan = false;
if (devfd == -1)
net_close(fd);
}
return 0;
}
int Scan::media_scan_dabservices(char *device) {
int fd;
int rv;
int i=0;
fd = net_open(device, O_RDWR);
if (fd>=0) {
struct dab_service service;
while(1) {
service.id=i++;
rv = net_ioctl(fd, DAB_GET_SERVICE, &service);
if (rv == -1)
break;
// QString service_name_conv;
std::vector<uint8_t> service_name_vec;
//char c;
for(int j = 0; j < 17; j++){
service_name_vec.push_back(service.service_name[j]); //append to uint8_t vector
}
QString qservice_name;
std::string service_name = toUtf8StringUsingCharset(service_name_vec.data(), (CharacterSet) 0, service_name_vec.size());
qservice_name = (QString::fromUtf8(service_name.c_str())).simplified();
if (qservice_name.length() == 0){
qservice_name = "NoServiceName";
}
QString dab_sid;
dab_sid = QString::number(service.sid, 16); //int to hex to string
if(dab_sid.length() == 4){ //filter non radio staions
dab_name_vec.push_back(qservice_name);
dab_sid_vec.push_back(dab_sid);
}
}
}
net_close(fd);
return 0;
}