Mario Quartey's Accelerometer Code
Dependencies: MMA8452 N5110 PowerControl mbed
Diff: Acceloro.cpp
- Revision:
- 2:c3e9a24a3ddf
- Parent:
- 1:8359e6982b30
--- a/Acceloro.cpp Mon May 11 18:27:20 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,110 +0,0 @@ -/** -@file main.h -@Header file contains code for displaying acceleration, defines and global variables. -@Revision 1.0 -@Author Mario Quartey Papafio -@Date May 2015 -*/ - - -#include "mbed.h" -#include "N5110.h" -#include "MMA8452.h" -#include "PowerControl/PowerControl.h" -#include "PowerControl/EthernetPowerControl.h" - -char buffer[14]; // to store array character takes 6 pixels -char buffer1[14]; -char buffer2[14]; -char buffer3[14]; - -DigitalOut led(LED1); - -void readings(); - -PwmOut myled(p22); -PwmOut buzzer(p21); -N5110 lcd(p7,p8,p9,p10,p11,p13,p26); -MMA8452 mma8452(p28,p27); // SDA, SCL -Serial serial(USBTX,USBRX); -AnalogIn pot(p20); - -Timeout timer; // create ticker object - -int timerFlag = 0; // flag for timer - -//Interrupt Service Routine -void timerExpired() { - timerFlag = 1; - //led=!led; - - float x=-(1-pot.read())*44/45+1; - timer.detach(); - timer.attach(&timerExpired,x); - -} - - - - -void turnon () { //Turns on LCD AND Accelerometer. - lcd.init(); - lcd.printString("Mario Quartey", 0,0); - lcd.printString("Accelerometer", 0,1); - lcd.printString("Elec 2645", 0,2); - lcd.printString("Dr C Evans!", 0,3); - lcd.refresh(); - wait(2); - lcd.clear(); - mma8452.init(); // 100 Hz update rate, ±4g scale - } -void readings () { - Acceleration acceleration; - lcd.printString("X Y Z Values", 0,0); - acceleration = mma8452.readValues(); // read current values and print over serial port - int xx = sprintf(buffer, "x = %.2f", acceleration.x); // figure eout the length of chars - int yy = sprintf(buffer1, "y = %.2f", acceleration.y); - int zz = sprintf(buffer2, "z = %.2f", acceleration.z); - float mag = sqrt((acceleration.x*acceleration.x + acceleration.y*acceleration.y + acceleration.z*acceleration.z)); - int ff = sprintf(buffer3, "Mag = %.2f", mag); - //serial.printf("x = %.2f g y = %.2f g z = %.2f g\n",acceleration.x,acceleration.y,acceleration.z); - wait(0.1); // short delay until next reading - if (xx <= 14){ // if the length is smaller than 14 chars. it prints - lcd.printString(buffer, 10, 1); - if (yy <= 14){ // if the length is smaller than 14 chars. it prints - lcd.printString(buffer1, 10, 2); - if (zz <= 14){ // if the length is smaller than 14 chars. it prints - lcd.printString(buffer2, 10, 3); - if (mag <= 14){ // if the length is smaller than 14 chars. it prints - lcd.printString(buffer3, 10, 4); - if (mag > 1.5) - for(float p = 0.0f; p < 1.0f; p += 0.1f) { - buzzer = p; - wait (0.3); - buzzer = 0; - }}}}}} - - -int main() { - turnon(); - - timer.attach(&timerExpired,1); - -PHY_PowerDown(); //Powers Down ethernet - - while (1) { - - for(float p = 0.0f; p < 1.0f; p += 0.1f) { - myled = p; - - } - - if (timerFlag) { - readings (); - - timerFlag = 0; - } - lcd.refresh(); - } - - }