main.cpp

00001 #include "mbed.h"
00002 #include "MMA8451Q.h"
00003 #include "USBMouse.h"
00004 #include "TSISensor.h"
00005  
00006 #define MMA8451_I2C_ADDRESS (0x1d<<1)
00007 
00008 #define DEBUGCONSOLE 1  /* 9600bd serial to OpenSWD COM port */
00009 
00010 USBMouse mouse;
00011 Serial pc(USBTX,USBRX);
00012  
00013 void mbutton_detect( float percent)
00014 {
00015     #define LBTN_MIN    75
00016     #define LBTN_MAX    100
00017     #define RBTN_MIN    1
00018     #define RBTN_MAX    30
00019     #define DBL_MIN     35
00020     #define DBL_MAX     70
00021     
00022     int pos = percent * 100;
00023     static bool ltouchflg = false;
00024     static bool rtouchflg = false;
00025 
00026     /* left button */
00027     if((pos >= DBL_MIN))   
00028     {
00029         if( ltouchflg == false ) 
00030         {
00031             mouse.press(MOUSE_LEFT);
00032             ltouchflg = true;
00033 #if DEBUGCONSOLE            
00034             pc.printf("ltouch \n");
00035 #endif            
00036         }
00037     }
00038     
00039     /* right button */
00040     if((pos <= DBL_MAX) && (pos > RBTN_MIN))   
00041     {
00042         if( rtouchflg == false ) 
00043         {
00044             mouse.press(MOUSE_RIGHT);
00045             rtouchflg = true;
00046 #if DEBUGCONSOLE              
00047             pc.printf("rtouch \n");
00048 #endif            
00049         }
00050     }
00051     
00052     /* release left */
00053     if( (pos < DBL_MIN))
00054     {
00055         if( ltouchflg == true )
00056         {
00057             mouse.release(MOUSE_LEFT);
00058             ltouchflg = false;
00059 #if DEBUGCONSOLE              
00060             pc.printf("lrelease \n");
00061 #endif            
00062         }
00063     } 
00064     
00065     /* release right */
00066     if( (pos < RBTN_MIN) || (pos >= DBL_MAX) )
00067     {
00068         if( rtouchflg == true )
00069         {
00070             mouse.release(MOUSE_RIGHT);
00071             rtouchflg = false;
00072 #if DEBUGCONSOLE              
00073             pc.printf("rrelease \n");
00074 #endif            
00075         }
00076     }
00077 }
00078  
00079  
00080 int main(void) {
00081  
00082     /* acc sensor init */
00083     MMA8451Q acc(PTE25, PTE24, MMA8451_I2C_ADDRESS);
00084     
00085     /* TSI init */
00086     TSISensor tsi;
00087     
00088     /* LED init */
00089     PwmOut rled(LED_RED);
00090     PwmOut gled(LED_GREEN);
00091     PwmOut bled(LED_BLUE);
00092  
00093     while (true) { 
00094     
00095         /* -1*accY correspond to mouse axe X; acc X correspond to mouse Y */
00096         mouse.move( -1*int(acc.getAccY()*20), int(acc.getAccX()*20) );
00097         
00098         mbutton_detect( tsi.readPercentage());
00099       
00100         rled = 1.0 - abs(acc.getAccX());
00101         gled = 1.0 - abs(acc.getAccY());
00102         bled = 1.0 - abs(acc.getAccZ());
00103         
00104         wait(0.001);
00105     }
00106 }
00107