sending_state.cpp

00001 #include "system_states.hpp"
00002 #include "system.hpp"
00003 #include "display_manager.hpp"
00004 #include "dtmf_generator.hpp"
00005 #include <iostream>
00006 
00007 float SendingState::ToneTime = 1.0;
00008 float SendingState::PauseTime = 0.25;
00009 
00010 namespace {
00011     DigitalOut toneLed(LED3);
00012     DigitalOut pauseLed(LED4);
00013 }
00014 
00015 void SendingState::enterState() {
00016     system()->moveCursorTo(0);
00017     
00018     DisplayManager *display = system()->display();
00019     display->hideCursor();
00020     display->writeStatus("Sending...");
00021 
00022     toneLed = 0;
00023     pauseLed = 0;
00024     
00025     playSymbol();
00026 }
00027 
00028 void SendingState::handleKey(char key) {
00029     this->timer.detach();
00030     pauseLed = 0;
00031 
00032     system()->dtmf()->stop();
00033     toneLed = 0;
00034 
00035     system()->setState(System::Edit);
00036 }
00037 
00038 void SendingState::playSymbol() {
00039     std::cout << "Sending: Play @" << system()->cursor() << "/" << system()->text_size() << "\r" << std::endl;
00040     DisplayManager *display = system()->display();
00041     display->moveTo(system()->cursor());
00042     display->showCursor();
00043 
00044     char symbol = system()->text().at(system()->cursor());
00045     system()->dtmf()->play(symbol);
00046     
00047     toneLed = 1;
00048     
00049     this->timer.attach(this, &SendingState::endSymbol, ToneTime);
00050 }
00051 
00052 void SendingState::endSymbol() {
00053     std::cout << "Sending: End @" << system()->cursor() << "/" << system()->text_size() << "\r" << std::endl;
00054     system()->dtmf()->stop();
00055     
00056     toneLed = 0;
00057     
00058     if (system()->cursor() < system()->text_size()-1) {
00059         this->timer.attach(this, &SendingState::nextSymbol, PauseTime);
00060         pauseLed = 1;
00061     }
00062     else {
00063         DisplayManager *display = system()->display();
00064         display->hideCursor();
00065 
00066         system()->moveCursorBy(1);
00067 
00068         //                    1234567890123456
00069         display->writeStatus("Done sending...");
00070     }
00071 }
00072 
00073 void SendingState::nextSymbol() {
00074     std::cout << "Sending: Next @" << system()->cursor() << "/" << system()->text_size() << "\r" << std::endl;
00075     
00076     pauseLed = 0;
00077     
00078     system()->moveCursorBy(1);
00079     playSymbol();
00080 }