main.cpp

00001 // S15_Blue_Button - GATT Detector setup with
00002 //                   Blue Button connected to Presence characteristic
00003 
00004 #include "bricks/bricks.h"
00005 
00006    Blinker blink;
00007    
00008 //==============================================================================
00009 // GATT Database Setup
00010 //==============================================================================
00011    
00012 // Detection Service
00013 
00014    Service detection(0xA010,"Detection"); // Detection Service
00015    Characteristic<Bool>        chrPresence(detection,0xA011, "n", "Presence"); 
00016 
00017 // Debug Service
00018 
00019    Service debug(0xA030,"Debug");      // Debug Service
00020    Characteristic<Bool>        chrTest      (debug, 0xA031, "w", "Test"); 
00021 
00022    static void cbWritten(Blob &o)            // handle updates
00023    {
00024       Bool value;  
00025       
00026       if (updated(o,chrTest))          // has chrTest been updated?
00027       {
00028          get(o,chrTest,value);         // get value of chrTest
00029          set(o,chrPresence,value);     // and store this value to chrPresence 
00030       }
00031    }
00032 
00033    void services(O&o)
00034    {
00035       enroll(o,detection);             // enroll detection service
00036       enroll(o,debug);                 // enroll debug service
00037        
00038       onWritten(o,cbWritten);          // setup 'data written' callback
00039    }
00040    
00041 //==============================================================================
00042 // Button Functionality
00043 //==============================================================================
00044 
00045    typedef enum state { OFF, ON, IDLE } State;
00046    
00047    State state = IDLE; 
00048    
00049    static void cbRise(void)
00050    {
00051       O o;                             // declare a blob (BLE OBject)
00052       Bool value = 0;  
00053 
00054       if (o.hasInitialized())
00055       {
00056          state = OFF;
00057          set(o,chrPresence,value);     // and store this value to chrPresence 
00058       }
00059    }
00060 
00061    static void cbFall(void)
00062    {
00063       O o;                             // declare a blob (BLE OBject)
00064       Bool value = 1;  
00065 
00066       if (o.hasInitialized())
00067       {
00068          state = ON;
00069          set(o,chrPresence,value);     // and store this value to chrPresence 
00070       }
00071    }
00072    
00073 //==============================================================================
00074 // Callbacks
00075 //==============================================================================
00076 
00077    void cbError(O&o)                   // Error Reporting Callback
00078    {
00079        blink.error();                  // 'error' blink sequence
00080    }    
00081 
00082    void cbConnect(O&o)                 // Connection Callback
00083    {
00084       blink.connected();               // 'error' blink sequence
00085    }
00086 
00087    void cbDisconnect(O&o)              // Disconnection Callback
00088    {
00089       advertise(o);                    // start advertising on client disconnect
00090       blink.advertise();               // 'advertise' blink sequence
00091    }
00092 
00093    void cbSetup(O&o)                   // Immediately After Initializing BLE 
00094    {
00095       services(o);                     // enroll all services & setup callbacks
00096 
00097       onConnect(o,cbConnect);          // setup connection callback
00098       onDisconnect(o,cbDisconnect);    // setup disconnection callback
00099    
00100       device(o,"S15#2.0 Blue");        // setup device name
00101       name(o,"Detector");              // setup advertising name
00102       data(o,"My Layout");             // setup advertising data
00103          
00104       advertise(o,"C:ng",100);         // start advertising @ 100 msec interval
00105       blink.advertise();               // 'advertise' blink sequence
00106    }
00107    
00108 //==============================================================================
00109 // Main Program
00110 //==============================================================================
00111 
00112    int main(void)
00113    {
00114       O o;                              // declare a blob (BLE OBject)
00115       verbose(o);                       // enable all trace messages
00116       blink.idle();                     // idle blinking - just started!
00117 
00118       InterruptIn button(USER_BUTTON);  // declare blue user button
00119       button.rise(&cbRise);             // interrupt callback setup
00120       button.fall(&cbFall);             // interrupt callback setup
00121 
00122       init(o,cbSetup,cbError);          // init BLE base layer, always do first
00123       
00124       while (true)                      // Infinite loop waiting for BLE events
00125       {
00126          sleep(o);                      // low power waiting for BLE events 
00127          
00128          if (state == ON)               // detection active ?
00129             blink.blink("xxx ");
00130             
00131          if (state == OFF)              // detection inactive ?
00132             blink.blink("x ");
00133             
00134          state = IDLE;                  // reset to IDLE state
00135       }
00136    }