mbed系列--基于飞思卡尔FRDM KL25Z的鼠标设计快速实现

#include "mbed.h"
#include "rtos.h"

#include "MMA8451Q.h"
#include "USBMouse.h"
#include "tsi_sensor.h"
//MMA8451Q definiation
#if   defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
  PinName const SDA = PTE25;
  PinName const SCL = PTE24;
#elif defined (TARGET_KL05Z)
  PinName const SDA = PTB4;
  PinName const SCL = PTB3;
#elif defined (TARGET_K20D50M)
  PinName const SDA = PTB1;
  PinName const SCL = PTB0;
#else
  #error TARGET NOT DEFINED
#endif

#define MMA8451_I2C_ADDRESS (0x1d<<1)

//
#if defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
  #define ELEC0 9
  #define ELEC1 10
#elif defined (TARGET_KL05Z)
  #define ELEC0 9
  #define ELEC1 8
#else
  #error TARGET NOT DEFINED
#endif

MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);

Ticker tick;
PwmOut rled(LED1);
PwmOut gled(LED2);
PwmOut bled(LED3);

TSIAnalogSlider tsi(ELEC0, ELEC1, 40);
USBMouse mouse;
//InterruptIn sw2(SW2);

//thread pointer
Thread *thread2;

float x=0, y=0, z=0,t=0;

//intruppt
void sw2_press(void)
{
    thread2->signal_set(0x1);
}

void led_thread(void const *argument)
{
    while (true) {
        rled = abs(1.0f - x -t);
        gled = abs(1.0f - y -t);
        bled = abs(1.0f - z -t);
        Thread::wait(50);
    }
}

void scan_thread(void const *argument)
{
    while (true) {
        Thread::signal_wait(0x1);
       // x = abs(acc.getAccX());
       // y = abs(acc.getAccY());
       // z = abs(acc.getAccZ());
        x = acc.getAccX();
        y = acc.getAccY();
        z = acc.getAccZ();
        t = tsi.readPercentage();
    }
}

int main()
{
    Thread thread(led_thread);
    thread2 = new Thread(scan_thread);

  //  sw2.fall(&sw2_press);
    tick.attach(&sw2_press,0.001);   //scan MMA8451Q ervery 0.01s
    while (true) {
        Thread::wait(1);
        mouse.move( y*127,x*127);
        printf("\r\n 0.1 seconds passed: %f,%f,%f,%f \r\n", x,y,z,t);
        fflush(stdout);
    }
}