Application.cpp

00001 #include "Application.h"
00002 
00003 #define WATCH_DOG_TIMER_TRIGGER_TIME 5 //seconds
00004 
00005 extern "C" void mbed_reset();
00006 
00007 Application::Application() {
00008 }
00009 
00010 void Application::setup() {
00011     
00012     // WatchDog reset ?
00013     if (WatchDogTimer::systemResetReason() == SYSTEM_RESET_WATCH_DOG) {
00014         handleFaultyResetRecovery();
00015     }
00016     
00017     // setup ethernet
00018     
00019     
00020     // start spi
00021     spiHandler = new SPI(p5, p6, p7);
00022     spiHandler->frequency(100000); // 100 khz for slow periperals intialization
00023     
00024     // starting the file systems
00025     localFileSystem = new LocalFileSystem("local");
00026     sdFileSystem = new SDFileSystem(spiHandler, p8, "sd");
00027     
00028     spiHandler->frequency(16000000); // 4 Mhz spi normal operation frequency
00029     
00030     // start the http api server
00031     httpServer = new HttpServer();
00032     httpServer->start();
00033     
00034     // enable watchdog timer
00035     watchDog = new WatchDogTimer(WATCH_DOG_TIMER_TRIGGER_TIME);    
00036 }
00037 
00038 void Application::handleFaultyResetRecovery() {
00039     
00040 }
00041 
00042 void Application::loop() {
00043     
00044 }
00045 
00046 void Application::run() {
00047     setup();
00048     while(1) {
00049         watchDog->feed();
00050         if (!isSystemOnline()) {
00051             recoverSystem();
00052         }
00053         watchDog->feed();
00054         loop();
00055         Thread::wait(100);
00056     }
00057 }
00058 
00059 int Application::isSystemOnline() {
00060     return httpServer->isAlive();
00061 }
00062 
00063 void Application::recoverSystem() {
00064     httpServer->restart();
00065 }
00066 
00067 void Application::applicationReset() {
00068     wait(5);
00069     mbed_reset();    
00070 }
00071 
00072 Application::~Application() {
00073 
00074 }