Diff: main.cpp

Revision:

0:7daab31a41c6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Mar 26 10:18:32 2021 +0000
@@ -0,0 +1,27 @@
+//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
+ 
+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
+    }
+ 
+}