Johan Kritzinger / Mbed 2 deprecated FRDM_MMA8451Q_DTAP_DEMO

Demo program for using MMA8451Q double tap detection and responding to associated interrupt on the FRDM KL25Z board

Dependencies:   MMA8451Q mbed

main.cpp@0:c2d23138786f, 2013-03-10 (annotated)

Committer:
JoKer
Date:
Sun Mar 10 04:41:35 2013 +0000
Revision:
0:c2d23138786f
MMA8451Q Double Tap  and Interrupt example for FRDM KL25Z board

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JoKer 0:c2d23138786f 1 #include "mbed.h"
JoKer 0:c2d23138786f 2 #include "MMA8451Q.h"
JoKer 0:c2d23138786f 3
JoKer 0:c2d23138786f 4 #define MMA8451_I2C_ADDRESS (0x1d<<1)
JoKer 0:c2d23138786f 5 #define ON 0
JoKer 0:c2d23138786f 6 #define OFF !ON
JoKer 0:c2d23138786f 7
JoKer 0:c2d23138786f 8 //Setup the interrupts for the MMA8451Q
JoKer 0:c2d23138786f 9 InterruptIn accInt1(PTA14);
JoKer 0:c2d23138786f 10 InterruptIn accInt2(PTA15);//not used in this prog but this is the other int from the accelorometer
JoKer 0:c2d23138786f 11
JoKer 0:c2d23138786f 12 uint8_t togstat=0;//Led status
JoKer 0:c2d23138786f 13 DigitalOut bled(LED_BLUE);
JoKer 0:c2d23138786f 14
JoKer 0:c2d23138786f 15
JoKer 0:c2d23138786f 16 void tapTrue(void){
JoKer 0:c2d23138786f 17 if(togstat == 0){
JoKer 0:c2d23138786f 18 togstat = 1;
JoKer 0:c2d23138786f 19 bled=ON;
JoKer 0:c2d23138786f 20 } else {
JoKer 0:c2d23138786f 21 togstat = 0;
JoKer 0:c2d23138786f 22 bled=OFF;
JoKer 0:c2d23138786f 23 }
JoKer 0:c2d23138786f 24
JoKer 0:c2d23138786f 25 }
JoKer 0:c2d23138786f 26
JoKer 0:c2d23138786f 27
JoKer 0:c2d23138786f 28 int main(void) {
JoKer 0:c2d23138786f 29
JoKer 0:c2d23138786f 30 MMA8451Q acc(PTE25, PTE24, MMA8451_I2C_ADDRESS);//accelorometer instance
JoKer 0:c2d23138786f 31
JoKer 0:c2d23138786f 32 acc.setDoubleTap();//Setup the MMA8451Q to look for a double Tap
JoKer 0:c2d23138786f 33 accInt1.rise(&tapTrue);//call tapTrue when an interrupt is generated on PTA14
JoKer 0:c2d23138786f 34
JoKer 0:c2d23138786f 35 while (true) {
JoKer 0:c2d23138786f 36 //Interrupt driven so nothing in main loop
JoKer 0:c2d23138786f 37 }
JoKer 0:c2d23138786f 38 }