jhg
Dependencies: C12832_lcd MMA7660 mbed
Fork of app-board-Bubble-Level by
Diff: main.cpp
- Revision:
- 1:876f52a697c1
- Parent:
- 0:bd0546063b0a
--- a/main.cpp Wed Oct 17 16:40:45 2012 +0000 +++ b/main.cpp Sun Sep 22 17:44:42 2013 +0000 @@ -1,21 +1,27 @@ -//Uses the measured z-acceleration to drive leds 2 and 3 of the mbed - +//Uses x & y acceleration to simulate a bubble level +//on the application board LCD display #include "mbed.h" #include "MMA7660.h" - -MMA7660 MMA(p28, p27); +#include "C12832_lcd.h" -DigitalOut connectionLed(LED1); -PwmOut Zaxis_p(LED2); -PwmOut Zaxis_n(LED3); +C12832_LCD lcd; //On board LCD display +MMA7660 MMA(p28, p27); //I2C Accelerometer +DigitalOut connectionLed(LED1);//Accel OK LED -int main() { +int main() +{ + int x=0,y=0; + lcd.cls(); //clear LCD screen if (MMA.testConnection()) - connectionLed = 1; - + connectionLed = 1; //Accelerometer init OK while(1) { - Zaxis_p = MMA.z(); - Zaxis_n = -MMA.z(); + //read X,Y +/-Gs and scale for #display pixels + x = (x + MMA.x() * 32.0)/2.0; + y = (y -(MMA.y() * 16.0))/2.0; + lcd.fillcircle(x+63, y+15, 3, 1); //draw bubble + lcd.circle(63, 15, 8, 1); + wait(.1); //time delay + lcd.fillcircle(x+63, y+15, 3, 0); //erase bubble } }