1
Dependencies: mbed C12832_lcd MMA7660
main.cpp
- Committer:
- andrewh2104
- Date:
- 2021-04-22
- Revision:
- 2:ea7272ed30d2
- Parent:
- 1:876f52a697c1
File content as of revision 2:ea7272ed30d2:
//Uses x & y acceleration to simulate a bubble level //on the application board LCD display #include "mbed.h" #include "MMA7660.h" #include "C12832_lcd.h" C12832_LCD lcd; //On board LCD display MMA7660 MMA(p28, p27); //I2C Accelerometer DigitalOut connectionLed(LED1);//Accel OK LED Serial pc(USBTX, USBRX); // TX, RX int main() { int x=0,y=0; lcd.cls(); //clear LCD screen if (MMA.testConnection()) connectionLed = 1; //Accelerometer init OK while(1) { //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 if(x<0 && y<0) { x=-x; y=-y; } pc.printf("Tilt %f %f\r",MMA.x() ,MMA.y()); wait_ms(100); } }