divya kotian / Mbed 2 deprecated lab17_lmh

Enter h(high), l(low), m(medium) to change the speed of cursor

Dependencies:   mbed TSI MMA8451Q USBDevice

main.cpp@0:99a75d66305f, 2021-01-23 (annotated)

Committer:
div1104
Date:
Sat Jan 23 16:57:36 2021 +0000
Revision:
0:99a75d66305f
Speed of cursor

Who changed what in which revision?

UserRevisionLine numberNew contents of line
div1104 0:99a75d66305f 1 #include "mbed.h"
div1104 0:99a75d66305f 2 #include "MMA8451Q.h"
div1104 0:99a75d66305f 3 #define MMA8451_I2C_ADDRESS (0x1D<<1)
div1104 0:99a75d66305f 4 #include "TSISensor.h"
div1104 0:99a75d66305f 5 #include "USBMouse.h"
div1104 0:99a75d66305f 6 Serial pc(USBTX,USBRX);
div1104 0:99a75d66305f 7 MMA8451Q acc(PTE25,PTE24,MMA8451_I2C_ADDRESS);
div1104 0:99a75d66305f 8 TSISensor tsi;
div1104 0:99a75d66305f 9 USBMouse mouse;
div1104 0:99a75d66305f 10 int main()
div1104 0:99a75d66305f 11 {
div1104 0:99a75d66305f 12 float x=0;
div1104 0:99a75d66305f 13 float y=0;
div1104 0:99a75d66305f 14 int s;
div1104 0:99a75d66305f 15 char ch;
div1104 0:99a75d66305f 16 float tsival;
div1104 0:99a75d66305f 17 pc.printf("Enter the speed for cursor as h l m:");
div1104 0:99a75d66305f 18
div1104 0:99a75d66305f 19
div1104 0:99a75d66305f 20 while(1)
div1104 0:99a75d66305f 21 {
div1104 0:99a75d66305f 22 if(pc.readable())
div1104 0:99a75d66305f 23 {
div1104 0:99a75d66305f 24 ch=pc.getc();
div1104 0:99a75d66305f 25
div1104 0:99a75d66305f 26 }
div1104 0:99a75d66305f 27
div1104 0:99a75d66305f 28 switch(ch)
div1104 0:99a75d66305f 29 {
div1104 0:99a75d66305f 30 case 'l': s=2;
div1104 0:99a75d66305f 31 break;
div1104 0:99a75d66305f 32 case 'm': s=5;
div1104 0:99a75d66305f 33 break;
div1104 0:99a75d66305f 34 case 'h': s=8;
div1104 0:99a75d66305f 35 break;
div1104 0:99a75d66305f 36 default: s=12;
div1104 0:99a75d66305f 37 break;
div1104 0:99a75d66305f 38 }
div1104 0:99a75d66305f 39 x=acc.getAccX();
div1104 0:99a75d66305f 40 y=acc.getAccY();
div1104 0:99a75d66305f 41 tsival = tsi.readPercentage();
div1104 0:99a75d66305f 42
div1104 0:99a75d66305f 43 x=x*s;
div1104 0:99a75d66305f 44 y=y*s;
div1104 0:99a75d66305f 45 mouse.move(-y,x);
div1104 0:99a75d66305f 46 if((tsival>0.05&&tsival<0.33))
div1104 0:99a75d66305f 47 {
div1104 0:99a75d66305f 48 mouse.press(MOUSE_RIGHT);
div1104 0:99a75d66305f 49 }
div1104 0:99a75d66305f 50 else if((tsival>0.66&&tsival<1))
div1104 0:99a75d66305f 51 {
div1104 0:99a75d66305f 52 mouse.press(MOUSE_LEFT);
div1104 0:99a75d66305f 53
div1104 0:99a75d66305f 54 }
div1104 0:99a75d66305f 55 else
div1104 0:99a75d66305f 56 {
div1104 0:99a75d66305f 57 mouse.release(MOUSE_LEFT);
div1104 0:99a75d66305f 58 mouse.release(MOUSE_RIGHT);
div1104 0:99a75d66305f 59 }
div1104 0:99a75d66305f 60 }
div1104 0:99a75d66305f 61 }