Ivone Sima / Mbed OS Accelerometer_exampleLab4

state led / position change

Dependencies:   MMA8451Q

Fork of Accelerometer_example by William Marsh

main.cpp@3:ca2e99f6b193, 2018-02-16 (annotated)

Committer:
Ivone
Date:
Fri Feb 16 11:53:18 2018 +0000
Revision:
3:ca2e99f6b193
Parent:
2:18e28291bc02
Child:
4:42e2706f9847
Lab4 accelerometer leds flat, right, left

Who changed what in which revision?

UserRevisionLine numberNew contents of line
WilliamMarshQMUL 0:a1caba5c4e48 1 #include "mbed.h"
WilliamMarshQMUL 0:a1caba5c4e48 2 #include "rtos.h"
WilliamMarshQMUL 0:a1caba5c4e48 3 #include "MMA8451Q.h"
WilliamMarshQMUL 0:a1caba5c4e48 4
WilliamMarshQMUL 0:a1caba5c4e48 5 PinName const SDA = PTE25;
WilliamMarshQMUL 0:a1caba5c4e48 6 PinName const SCL = PTE24;
WilliamMarshQMUL 0:a1caba5c4e48 7
WilliamMarshQMUL 0:a1caba5c4e48 8 #define MMA8451_I2C_ADDRESS (0x1d<<1)
WilliamMarshQMUL 0:a1caba5c4e48 9
WilliamMarshQMUL 0:a1caba5c4e48 10 int main(void)
WilliamMarshQMUL 0:a1caba5c4e48 11 {
WilliamMarshQMUL 0:a1caba5c4e48 12 MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
WilliamMarshQMUL 0:a1caba5c4e48 13 PwmOut rled(LED1);
WilliamMarshQMUL 0:a1caba5c4e48 14 PwmOut gled(LED2);
WilliamMarshQMUL 0:a1caba5c4e48 15 PwmOut bled(LED3);
WilliamMarshQMUL 0:a1caba5c4e48 16 Serial pc(USBTX, USBRX); // tx, rx
WilliamMarshQMUL 0:a1caba5c4e48 17
WilliamMarshQMUL 0:a1caba5c4e48 18
WilliamMarshQMUL 0:a1caba5c4e48 19 pc.printf("MMA8451 ID: %d\n", acc.getWhoAmI());
WilliamMarshQMUL 0:a1caba5c4e48 20
WilliamMarshQMUL 0:a1caba5c4e48 21 while (true) {
WilliamMarshQMUL 0:a1caba5c4e48 22 float x, y, z;
WilliamMarshQMUL 0:a1caba5c4e48 23 x = acc.getAccX();
WilliamMarshQMUL 0:a1caba5c4e48 24 y = acc.getAccY();
WilliamMarshQMUL 0:a1caba5c4e48 25 z = acc.getAccZ();
Ivone 3:ca2e99f6b193 26
Ivone 3:ca2e99f6b193 27 Thread::wait (300);
Ivone 2:18e28291bc02 28
Ivone 3:ca2e99f6b193 29 //Flat my led
Ivone 3:ca2e99f6b193 30 if(z>= 0.9){
Ivone 3:ca2e99f6b193 31
Ivone 3:ca2e99f6b193 32 rled = 0;
Ivone 3:ca2e99f6b193 33 gled = 0;
Ivone 3:ca2e99f6b193 34 bled = 0;
Ivone 3:ca2e99f6b193 35
Ivone 3:ca2e99f6b193 36 pc.printf("flat\n\r");
Ivone 3:ca2e99f6b193 37
Ivone 2:18e28291bc02 38
Ivone 3:ca2e99f6b193 39 }else if (y>=0.9){
Ivone 3:ca2e99f6b193 40
Ivone 3:ca2e99f6b193 41 //right my led
Ivone 3:ca2e99f6b193 42 rled = 0;
Ivone 3:ca2e99f6b193 43 gled = 0;
Ivone 3:ca2e99f6b193 44 bled = 0;
Ivone 3:ca2e99f6b193 45 pc.printf("right\n\r");
Ivone 3:ca2e99f6b193 46
Ivone 3:ca2e99f6b193 47 }else if (x>=0.9){
Ivone 3:ca2e99f6b193 48 //over
Ivone 3:ca2e99f6b193 49
Ivone 3:ca2e99f6b193 50 rled = 0;
Ivone 3:ca2e99f6b193 51 gled = 0;
Ivone 3:ca2e99f6b193 52 bled = 0;
Ivone 3:ca2e99f6b193 53 pc.printf("over \n \r");
Ivone 3:ca2e99f6b193 54
Ivone 3:ca2e99f6b193 55 }else if (x<= -0.90){
Ivone 3:ca2e99f6b193 56
Ivone 3:ca2e99f6b193 57 rled = 0;
Ivone 3:ca2e99f6b193 58 gled = 0;
Ivone 3:ca2e99f6b193 59 bled = 0;
Ivone 3:ca2e99f6b193 60 pc.printf("up\n\r");
Ivone 3:ca2e99f6b193 61
Ivone 3:ca2e99f6b193 62 }
Ivone 3:ca2e99f6b193 63
Ivone 3:ca2e99f6b193 64 else {
Ivone 3:ca2e99f6b193 65
Ivone 3:ca2e99f6b193 66 rled = 1;
Ivone 3:ca2e99f6b193 67 gled = 1;
Ivone 3:ca2e99f6b193 68 bled = 1;
Ivone 3:ca2e99f6b193 69 pc.printf("\n\r");
Ivone 3:ca2e99f6b193 70
Ivone 3:ca2e99f6b193 71 }
Ivone 2:18e28291bc02 72
Ivone 3:ca2e99f6b193 73 //pc.printf("X:%1.2f ,Y:%1.2f ,Z:%1.2f\n\r", x,y,z);
Ivone 3:ca2e99f6b193 74
Ivone 2:18e28291bc02 75
Ivone 2:18e28291bc02 76
WilliamMarshQMUL 0:a1caba5c4e48 77 }
WilliamMarshQMUL 0:a1caba5c4e48 78 }