Demo program for using MMA8451Q double tap detection and responding to associated interrupt on the FRDM KL25Z board
main.cpp
- Committer:
- JoKer
- Date:
- 2013-03-10
- Revision:
- 0:c2d23138786f
File content as of revision 0:c2d23138786f:
#include "mbed.h" #include "MMA8451Q.h" #define MMA8451_I2C_ADDRESS (0x1d<<1) #define ON 0 #define OFF !ON //Setup the interrupts for the MMA8451Q InterruptIn accInt1(PTA14); InterruptIn accInt2(PTA15);//not used in this prog but this is the other int from the accelorometer uint8_t togstat=0;//Led status DigitalOut bled(LED_BLUE); void tapTrue(void){ if(togstat == 0){ togstat = 1; bled=ON; } else { togstat = 0; bled=OFF; } } int main(void) { MMA8451Q acc(PTE25, PTE24, MMA8451_I2C_ADDRESS);//accelorometer instance acc.setDoubleTap();//Setup the MMA8451Q to look for a double Tap accInt1.rise(&tapTrue);//call tapTrue when an interrupt is generated on PTA14 while (true) { //Interrupt driven so nothing in main loop } }