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#include "Mode.h"
#include "MTSLog.h"
/*
* union for converting from 16- bit to 2 8-bit values
*/
union convert16 {
int16_t f_s; // convert from signed 16 bit int
uint16_t f_u; // convert from unsigned 16 bit int
uint8_t t_u[2]; // convert to 8 bit unsigned array
} convertS;
Mode::Mode(DOGS102* lcd, ButtonHandler* buttons, mDot* dot, LoRaHandler* lora, GPSPARSER* gps)
: _lcd(lcd),
_buttons(buttons),
_dot(dot),
_lora(lora),
_gps(gps),
_main_id(Thread::gettid()),
_index(0),
_band(_dot->getFrequencyBand()),
_sub_band(_dot->getFrequencySubBand()),
_data_rate(mDot::SF_7),
_power(2),
_next_tx(0),
_send_data(false),
_gps_available(_gps->gpsDetected())
{}
Mode::~Mode() {}
bool Mode::deleteDataFile() {
bool ret = true;
// if survey data file exists, attempt to delete it
std::vector<mDot::mdot_file> files = _dot->listUserFiles();
for (std::vector<mDot::mdot_file>::iterator it = files.begin(); it != files.end(); it++)
if (it->name == file_name) {
if (! _dot->deleteUserFile(file_name))
ret = false;
break;
}
return ret;
}
// ID, Status, Lock, Lat, Long, Alt, Time, RSSIup, SNRup, RSSIdown, SNRdown, DataRate, Power
bool Mode::appendDataFile(const DataItem& data) {
char main_buf[256];
char id_buf[16];
char lat_buf[32];
char lon_buf[32];
char alt_buf[16];
char time_buf[32];
char stats_buf[32];
size_t size;
memset(main_buf, 0, sizeof(main_buf));
memset(id_buf, 0, sizeof(id_buf));
memset(lat_buf, 0, sizeof(lat_buf));
memset(lon_buf, 0, sizeof(lon_buf));
memset(alt_buf, 0, sizeof(alt_buf));
memset(time_buf, 0, sizeof(time_buf));
memset(stats_buf, 0, sizeof(stats_buf));
snprintf(id_buf, sizeof(id_buf), "%c%ld", (data.type == single) ? 'P' : 'S', data.index);
// if we had GPS lock, format GPS data
if (data.gps_lock) {
snprintf(lat_buf, sizeof(lat_buf), "%d %d %d.%03d %c",
abs(data.gps_latitude.degrees),
data.gps_latitude.minutes,
(data.gps_latitude.seconds * 6) / 1000,
(data.gps_latitude.seconds * 6) % 1000,
(data.gps_latitude.degrees > 0) ? 'N' : 'S');
snprintf(lon_buf, sizeof(lon_buf), "%d %d %d.%03d %c",
abs(data.gps_longitude.degrees),
data.gps_longitude.minutes,
(data.gps_longitude.seconds * 6) / 1000,
(data.gps_longitude.seconds * 6) % 1000,
(data.gps_longitude.degrees > 0) ? 'E' : 'W');
snprintf(alt_buf, sizeof(alt_buf), "%d",
data.gps_altitude);
snprintf(time_buf, sizeof(time_buf), "%02d:%02d:%02d %02d/%02d/%04d",
data.gps_time.tm_hour,
data.gps_time.tm_min,
data.gps_time.tm_sec,
data.gps_time.tm_mon + 1,
data.gps_time.tm_mday,
data.gps_time.tm_year + 1900);
}
if (data.status) {
float up_snr = (float)data.ping.up.snr / 10.0;
float down_snr = (float)data.ping.down.snr / 4.0;
snprintf(stats_buf, sizeof(stats_buf), "%d,%2.1f,%d,%2.1f",
abs(data.ping.up.rssi),
up_snr,
abs(data.ping.down.rssi),
down_snr);
}
size = snprintf(main_buf, sizeof(main_buf), "%s,%c,%ld,%s,%s,%s,%s,%s,%s,%lu\n",
id_buf,
data.status ? 'S' : 'F',
data.gps_lock ? data.gps_sats : 0,
(data.gps_lock) ? lat_buf : "",
(data.gps_lock) ? lon_buf : "",
(data.gps_lock) ? alt_buf : "",
(data.gps_lock) ? time_buf : "",
data.status ? stats_buf : ",,,",
_dot->DataRateStr(data.data_rate).substr(3).c_str(),
data.power);
if (size < 0) {
logError("failed to format survey data");
return false;
}
if (! _dot->appendUserFile(file_name, (void*)main_buf, size)) {
logError("failed to write survey data to file");
return false;
} else {
logInfo("successfully wrote survey data to file\r\n\t%s", main_buf);
}
return true;
}
void Mode::updateData(DataItem& data, DataType type, bool status) {
data.type = type;
data.index = _index;
data.status = status;
data.gps_lock = _gps->getLockStatus();
data.gps_sats = _gps->getNumSatellites();
data.gps_longitude = _gps->getLongitude();
data.gps_latitude = _gps->getLatitude();
data.gps_altitude = _gps->getAltitude();
data.gps_time = _gps->getTimestamp();
data.ping = _ping_result;
data.data_rate = _data_rate;
data.power = _power;
}
uint32_t Mode::getIndex(DataType type) {
uint32_t index = 0;
mDot::mdot_file file;
size_t buf_size = 128;
char buf[buf_size];
bool done = false;
char search;
int read_offset;
int read_size;
int reduce = buf_size - 32;
int bytes_read;
int ret;
int current;
if (type == single)
search = 'P';
else
search = 'S';
file = _dot->openUserFile(file_name, mDot::FM_RDONLY);
if (file.fd < 0) {
logError("failed to open survey data file");
} else {
logInfo("file size %d", file.size);
if (file.size > buf_size) {
read_offset = file.size - buf_size - 1;
read_size = buf_size;
} else {
read_offset = 0;
read_size = file.size;
}
while (! done) {
if (read_offset == 0)
done = true;
logInfo("reading from index %d, %d bytes", read_offset, read_size);
if (! _dot->seekUserFile(file, read_offset, SEEK_SET)) {
logError("failed to seek %d/%d", read_offset, file.size);
return 0;
}
memset(buf, 0, buf_size);
ret = _dot->readUserFile(file, (void*)buf, read_size);
if (ret != read_size) {
logError("failed to read");
return 0;
}
logInfo("read %d bytes [%s]", ret, buf);
// read_size - 1 is the last byte in the buffer
for (current = read_size - 1; current >= 0; current--) {
if ((buf[current] == '\n' && current != read_size - 1) || current == 0) {
int test = current;
logInfo("found potential %d, %c", read_offset + current, buf[test + 1]);
if (buf[test + 1] == search) {
logInfo("reading index");
sscanf(&buf[test + 2], "%ld", &index);
done = true;
break;
}
}
}
read_offset = (read_offset - reduce > 0) ? read_offset - reduce : 0;
}
_dot->closeUserFile(file);
}
logInfo("returning index %d", index);
return index;
}
std::vector<uint8_t> Mode::formatSurveyData(DataItem& data) {
std::vector<uint8_t> send_data;
uint8_t satfix;
send_data.clear();
send_data.push_back(0x1D); // key for start of data structure
send_data.push_back(0x1A); // key for uplink QOS + RF Pwr
convertS.f_s = data.ping.up.rssi;
send_data.push_back(convertS.t_u[1]);
send_data.push_back(convertS.t_u[0]);
send_data.push_back((data.ping.up.snr/10) & 0xFF);
send_data.push_back(data.power);
send_data.push_back(0x1B); // key for downlink QOS
convertS.f_s=data.ping.down.rssi;
send_data.push_back(convertS.t_u[1]);
send_data.push_back(convertS.t_u[0]);
send_data.push_back(data.ping.down.snr);
// collect GPS data if GPS device detected
if (_gps->gpsDetected() && ((_data_rate != mDot::SF_10) || (_band == mDot::FB_868))){
send_data.push_back(0x19); // key for GPS Lock Status
satfix = (_gps->getNumSatellites() << 4 ) | (_gps->getFixStatus() & 0x0F );
send_data.push_back(satfix);
if (_gps->getLockStatus()){ // if gps has a lock
// Send GPS data if GPS device locked
send_data.push_back(0x15); // key for GPS Latitude
send_data.push_back(data.gps_latitude.degrees);
send_data.push_back(data.gps_latitude.minutes);
convertS.f_s = data.gps_latitude.seconds;
send_data.push_back(convertS.t_u[1]);
send_data.push_back(convertS.t_u[0]);
send_data.push_back(0x16); // key for GPS Longitude
convertS.f_s = data.gps_longitude.degrees;
send_data.push_back(convertS.t_u[1]);
send_data.push_back(convertS.t_u[0]);
send_data.push_back(data.gps_longitude.minutes);
convertS.f_s = data.gps_longitude.seconds;
send_data.push_back(convertS.t_u[1]);
send_data.push_back(convertS.t_u[0]);
}
}
// key for end of data structure
send_data.push_back(0x1D);
return send_data;
}
std::vector<uint8_t> Mode::formatSensorData(SensorItem& data) {
std::vector<uint8_t> send_data;
return send_data;
}
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