Mark Oehlberg / Mbed 2 deprecated Accelerometer_to_color

This program changes the accelerometer data in to an RGB color

Dependencies:   MMA8451Q mbed

main.cpp@0:6c4e46da8d65, 2014-08-01 (annotated)

Committer:
oehlberg
Date:
Fri Aug 01 18:29:07 2014 +0000
Revision:
0:6c4e46da8d65
Accelerometer to RGB

Who changed what in which revision?

UserRevisionLine numberNew contents of line
oehlberg 0:6c4e46da8d65 1 #include "mbed.h"
oehlberg 0:6c4e46da8d65 2 #include "MMA8451Q.h"//This is the onboard accelerometer
oehlberg 0:6c4e46da8d65 3
oehlberg 0:6c4e46da8d65 4 #if defined (TARGET_KL25Z) || defined (TARGET_KL46Z)//This is the board I have and I guess they changed some pins around
oehlberg 0:6c4e46da8d65 5 PinName const SDA = PTE25;
oehlberg 0:6c4e46da8d65 6 PinName const SCL = PTE24;
oehlberg 0:6c4e46da8d65 7 #elif defined (TARGET_KL05Z)
oehlberg 0:6c4e46da8d65 8 PinName const SDA = PTB4;
oehlberg 0:6c4e46da8d65 9 PinName const SCL = PTB3;
oehlberg 0:6c4e46da8d65 10 #else
oehlberg 0:6c4e46da8d65 11 #error TARGET NOT DEFINED
oehlberg 0:6c4e46da8d65 12 #endif
oehlberg 0:6c4e46da8d65 13
oehlberg 0:6c4e46da8d65 14 #define MMA8451_I2C_ADDRESS (0x1d<<1)
oehlberg 0:6c4e46da8d65 15
oehlberg 0:6c4e46da8d65 16 //Serial pc(USBTX, USBRX);//The accelerometer didn't have to do this...I guess this is how you could change baud rates
oehlberg 0:6c4e46da8d65 17 //int baudrate = 115200;
oehlberg 0:6c4e46da8d65 18
oehlberg 0:6c4e46da8d65 19 int main(void) {
oehlberg 0:6c4e46da8d65 20 MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
oehlberg 0:6c4e46da8d65 21 //pc.baud(baudrate);
oehlberg 0:6c4e46da8d65 22 PwmOut rled(LED1);//pwms are 0-1 with 0 being off and 1 on
oehlberg 0:6c4e46da8d65 23 PwmOut gled(LED2);
oehlberg 0:6c4e46da8d65 24 PwmOut bled(LED3);
oehlberg 0:6c4e46da8d65 25
oehlberg 0:6c4e46da8d65 26 printf("MMA8451 ID: %d\n", acc.getWhoAmI());
oehlberg 0:6c4e46da8d65 27 float x,y,z,accx, accy, accz;
oehlberg 0:6c4e46da8d65 28
oehlberg 0:6c4e46da8d65 29 while (true) {
oehlberg 0:6c4e46da8d65 30
oehlberg 0:6c4e46da8d65 31 accx = abs(acc.getAccX());
oehlberg 0:6c4e46da8d65 32 accy = abs(acc.getAccY());
oehlberg 0:6c4e46da8d65 33 accz = abs(acc.getAccZ());
oehlberg 0:6c4e46da8d65 34
oehlberg 0:6c4e46da8d65 35 x = rled = 1.0 - accx;
oehlberg 0:6c4e46da8d65 36 y = gled = 1.0 - accy;
oehlberg 0:6c4e46da8d65 37 z = bled = 1.0 - accz;
oehlberg 0:6c4e46da8d65 38
oehlberg 0:6c4e46da8d65 39 wait(0.5);//I don't think 12c can poll as fast as the processor can go. The delay is needed for this
oehlberg 0:6c4e46da8d65 40 printf("Red: %1.5f, Green: %1.5f, Blue: %1.5f\t Acceleration X: %1.10f Y: %fZ: %1.5f\n\r", x, y, z,accx,accy,accz);//so \n goes down one line, but does not get me to the beggining of a line. \r gets to the beginning of the line so the formatting is right
oehlberg 0:6c4e46da8d65 41 }
oehlberg 0:6c4e46da8d65 42 }