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/* Copyright (c) <2016> <MultiTech Systems>, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute,
* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "ModeSemtech.h"
#include "MTSLog.h"
#include "rtos.h"
#include "mbed.h"
#include <sstream>
//this is exactly what it sounds like
#define TWO_TO_THE_THIRTY_ONE_MINUS_ONE 2147483647
#define PACKETSIZE 11
ModeSemtech::ModeSemtech(DOGS102* lcd, ButtonHandler* buttons, mDot* dot, LoRaHandler* lora, GPSPARSER* gps, SensorHandler* sensors)
: Mode(lcd, buttons, dot, lora, gps, sensors),
_help(lcd),
_sem(lcd,_band),
_sem_join(lcd,_band)
{}
string ModeSemtech::intToString(int num)
{
return static_cast<ostringstream*>(&(ostringstream() << num))->str();
}
void ModeSemtech::init()
{
//resets all parameters when re-entering mode
_interval = 5;
_padding = 0;
_power = 20;
_band = _dot->getFrequencyBand();
_parameter = POWER;
_drAll=false;
_link_check = false;
_GPS = false;
_sub_band = _dot->getFrequencySubBand();
_data_rate = mDot::DR4;
_max_padding = _dot->getMaxPacketLength()-PACKETSIZE;
_Sw2 = "Power";
_Sw1 = intToString(_power);
_help.display();
osDelay(2000);
if(_band==mDot::FB_868){
_sem.display(_link_check, _snr, _rssi, _power, _sub_band, _padding, _data_rate);
_sem.initial();
_state = PARAMETERS;
_send_timer.start();
}
else { _state = BAND_CHANGE;
changeBand();
}
}
void ModeSemtech::drIncrement()
{
_data_rate++;
if (_data_rate > mDot::DR5) {
_drAll = true;
_data_rate=0;
}
_dot->setTxDataRate(_data_rate);
logInfo("new data rate %s, POWER %lu", mDot::DataRateStr(_data_rate).c_str(), _power);
_max_padding = _dot->getMaxPacketLength()-PACKETSIZE;
}
void ModeSemtech::changeDataRate()
{
if(_drAll) {
if(_band == mDot::FB_868) _data_rate = -1;
else _data_rate = mDot::DR1;
_drAll = false;
}
drIncrement();
}
void ModeSemtech::changeParameter()
{
_parameter++;
if(_band==mDot::FB_868&&_parameter==FSB)_parameter++;
if(_parameter>INTERVAL)_parameter=0;
switch(_parameter) {
case DATA_RATE:
_Sw2 = "Data Rate";
_Sw1 = intToString(_data_rate);
if(_drAll)_Sw1 = "All";
break;
case FSB:
_Sw2 = "FSB";
_Sw1 = intToString(_sub_band);
break;
case PADDING:
_Sw2 = "Padding";
_Sw1 = intToString(_padding);
break;
case POWER:
_Sw2 = "Power";
_Sw1 = intToString(_power);
break;
case INTERVAL:
_Sw2 = "Interval";
_Sw1 = intToString(_interval);
break;
default:
break;
}
}
void ModeSemtech::editParameter()
{
switch(_parameter) {
case POWER:
if(_power<20)_power+=3;
else _power = 2;
_Sw1 = intToString(_power);
_dot->setTxPower(_power);
break;
case DATA_RATE:
changeDataRate();
_Sw1 = intToString(_data_rate);
if(_drAll)_Sw1="All";
break;
case FSB:
_send_timer.stop();
_send_timer.reset();
_state = BAND_CHANGE;
_dot->resetNetworkSession();
_lora->resetActivityLed();
changeBand();
break;
case PADDING:
if(_padding<_max_padding)_padding +=10 - (_padding%10);
else _padding = 0;
if(_padding>_max_padding)_padding = _max_padding;
_Sw1 = intToString(_padding);
break;
default:
if(_interval<60)_interval += 5;
else _interval = 5;
_Sw1 = intToString(_interval);
break;
}
}
void ModeSemtech::formatData()
{
_send_data.clear();
uint32_t lat = 0;
uint32_t lng = 0;
_temp_C+=0.5;
if(_GPS) {
if(_latitude.degrees<0) lat = ~(int)((_latitude.degrees - ((double)_latitude.minutes/60.0) - ((double)_latitude.seconds/600000.0))*((double)-TWO_TO_THE_THIRTY_ONE_MINUS_ONE/90.0)+1.5);
else lat = (int)((_latitude.degrees + ((double)_latitude.minutes/60.0) + ((double)_latitude.seconds/600000.0))*((double)TWO_TO_THE_THIRTY_ONE_MINUS_ONE/90.0)+0.5);
if(_longitude.degrees<0) lng = ~(int)((_longitude.degrees - ((double)_longitude.minutes/60.0) - ((double)_longitude.seconds/600000.0))*((double)-TWO_TO_THE_THIRTY_ONE_MINUS_ONE/180.0)+1.5);
else lng = (int)((_longitude.degrees + ((double)_longitude.minutes/60.0) + ((double)_longitude.seconds/600000.0))*((double)TWO_TO_THE_THIRTY_ONE_MINUS_ONE/180.0)+0.5);
}
_send_data.push_back(0);
_send_data.push_back((int8_t) _temp_C);
_send_data.push_back(0);
for(int i=24; i>=0; i-=8)_send_data.push_back((lat>>i)&0xFF);
for(int i=24; i>=0; i-=8)_send_data.push_back((lng>>i)&0xFF);
for(int i=0; i<(_padding>_max_padding ? _max_padding : _padding); i++) _send_data.push_back(0);
}
void ModeSemtech::setBand()
{
_sub_band++;
if(_sub_band > mDot::FSB_8) _sub_band = mDot::FSB_ALL;
_dot->setFrequencySubBand(_sub_band);
}
void ModeSemtech::changeBand()
{
_sem_join.display();
_sem_join.updatePower(_power);
_sem_join.updateFsb(_sub_band);
_sem_join.updateId(_dot->getNetworkName());
_sem_join.updateRate(intToString(_data_rate));
_sem_join.updateKey(_dot->getNetworkPassphrase());
}
void ModeSemtech::updateScreen()
{
_temp_C = _sensors->getTemp(SensorHandler::CELSIUS);
if(_gps->getLockStatus()&& _gps_available) {
_GPS = true;
_latitude = _gps->getLatitude();
_longitude = _gps->getLongitude();
_time = _gps->getTimestamp();
} else _GPS = false;
_sem.updateStats( _GPS, _longitude, _latitude, _time, _temp_C);
_sem.updateSw1(_Sw1,_Sw2,_data_rate,_power,_padding);
_sem.updateSw2(_Sw2);
}
void ModeSemtech::send()
{
_state = SENDING;
_send_timer.stop();
if(_band==mDot::FB_868) {
while(_dot->getNextTxMs()>0) {
_sem.updateNextCh((int)(_dot->getNextTxMs()/1000));
osDelay(250);
}
}
formatData();
_sem.sending();
_send_timer.reset();
_send_timer.start();
_lora->send(_send_data);
osDelay(500);
}
bool ModeSemtech::start()
{
init();
_button_timer.start();
ButtonHandler::ButtonEvent be;
osSignalClear(_main_id, buttonSignal | loraSignal);
if(_band==mDot::FB_915)_join = new ModeJoin(_lcd, _buttons, _dot, _lora, _gps, _sensors);
while (true) {
if(_state==PARAMETERS)updateScreen();
osEvent e = Thread::signal_wait(0, 250);
if (e.status == osEventSignal) {
if (e.value.signals & buttonSignal) {
_button_timer.reset();
be = _buttons->getButtonEvent();
switch(be) {
case ButtonHandler::sw1_press:
switch(_state) {
case BAND_CHANGE:
setBand();
changeBand();
break;
case SENDING:
break;
case PARAMETERS:
editParameter();
break;
}
break;
case ButtonHandler::sw2_press:
switch(_state) {
case BAND_CHANGE:
if(_join->start()){
_state = PARAMETERS;
_send_timer.start();
_sem.display(_link_check, _snr, _rssi, _power, _sub_band, _padding, DATA_RATE);
_dot->setTxDataRate(_data_rate);
} else changeBand();
break;
case SENDING:
break;
case PARAMETERS:
changeParameter();
break;
}
break;
case ButtonHandler::sw1_hold:
_send_timer.stop();
_send_timer.reset();
return true;
default:
break;
}
}
}
if (e.value.signals & loraSignal) {
_ls = _lora->getStatus();
switch (_ls) {
case LoRaHandler::send_success:
_sem.sendResult("Send Sucess!");
_link_check = true;
_snr = _dot->getSnrStats();
_rssi = _dot->getRssiStats();
osDelay(500);
_button_timer.reset();
_state = PARAMETERS;
_sem.display(_link_check, _snr, _rssi, _power, _sub_band, _padding, _data_rate);
if(_drAll)drIncrement();
break;
case LoRaHandler::send_failure:
_sem.sendResult("Send Failed.");
_link_check = false;
osDelay(500);
_button_timer.reset();
_state = PARAMETERS;
_sem.display(_link_check, _snr, _rssi, _power, _sub_band, _padding, _data_rate);
if(_drAll)drIncrement();
break;
default:
break;
}
}
if(_send_timer.read_ms()>_interval*1000&&_button_timer.read_ms()>3000) send();
}
}
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