main.cpp

00001 #include "mbed.h"
00002 #include "FXOS8700CQ.h"
00003 
00004 void play_song(void);
00005 
00006 DigitalOut led_red(LED_RED);
00007 //InterruptIn accel_int_pin(PTC13);  //ACCEL INT2, FRDM-K64F
00008 InterruptIn accel_int_pin(PTD13);  //ACCEL INT2, HEXIWEAR
00009 
00010 //FXOS8700CQ fxos(PTE25, PTE24, FXOS8700CQ_SLAVE_ADDR1); // SDA, SCL, (addr << 1)  //FRDM-K64F
00011 FXOS8700CQ fxos(PTC11, PTC10, FXOS8700CQ_SLAVE_ADDR0); // SDA, SCL, (addr << 1)  //HEXIWEAR
00012 
00013 Serial pc(USBTX, USBRX);
00014 
00015 uint8_t motion_detected;
00016 uint8_t not_first_int;
00017 
00018 void accel_interrupt(void)
00019 {
00020     
00021     if(not_first_int == 1)
00022     { 
00023         led_red = 0;  //turn led on
00024         motion_detected = 1;
00025     }
00026         
00027     fxos.clear_int(); 
00028 
00029     //first time around, set this to a 1
00030     not_first_int = 1;
00031 
00032 }
00033 
00034 int main()
00035 {
00036     pc.baud(9600);
00037     
00038     pc.printf("ready to rock!\n");
00039     not_first_int = 0;    
00040     motion_detected = 0;
00041     accel_int_pin.fall(&accel_interrupt);
00042     led_red = 1;  //turn led off
00043 
00044     accel_int_pin.mode(PullUp);
00045 
00046     fxos.config_int();
00047     fxos.config_feature();
00048     fxos.enable();
00049 
00050     while (true) {
00051     
00052         if(motion_detected == 1)
00053         {
00054         
00055             pc.printf("motion detected!\n");
00056             wait(1);            
00057             led_red = 1;  //turn led off
00058             motion_detected = 0;
00059         
00060             deepsleep();            
00061         }
00062    }
00063 }
00064