luke Amlicke
/
accel_ulcd
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Dependencies: 4DGL-uLCD-SE MMA8452Q2
Revision 0:386a88a6aab2, committed 2020-04-01
- Comitter:
- lukeamlicke
- Date:
- Wed Apr 01 15:06:02 2020 +0000
- Commit message:
- fhdfgh
Changed in this revision
diff -r 000000000000 -r 386a88a6aab2 4DGL-uLCD-SE.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/4DGL-uLCD-SE.lib Wed Apr 01 15:06:02 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/sparkfun/code/4DGL-uLCD-SE/#e39a44de229a
diff -r 000000000000 -r 386a88a6aab2 MMA8452Q2.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MMA8452Q2.lib Wed Apr 01 15:06:02 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/lukeamlicke/code/MMA8452Q2/#6285eaac7766
diff -r 000000000000 -r 386a88a6aab2 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Apr 01 15:06:02 2020 +0000
@@ -0,0 +1,57 @@
+// Demo for the uLCD-144-G2 and MMA8452Q 3-axis accelerometer
+
+#include "mbed.h"
+#include "MMA8452Q.h"
+#include "uLCD_4DGL.h"
+
+// Graphic LCD - TX, RX, and RES pins
+uLCD_4DGL uLCD(p9,p10,p11);
+
+// Accelerometer - SDA, SCL, and I2C address
+MMA8452Q accel(p28, p27, 0x1D);
+
+int main() {
+
+ // Initialize uLCD
+ uLCD.baudrate(115200);
+ uLCD.background_color(BLACK);
+ uLCD.cls();
+
+ // Initialize accelerometer
+ accel.init();
+
+ // Initial parameters for the circle
+ float x = 64;
+ float y = 64;
+ int radius = 4;
+ int speed = 4;
+
+ // Make a ball "fall" in direction of accelerometer
+ while (1) {
+
+ // Draw a red circle
+ uLCD.filled_circle((int)x, (int)y, radius, RED);
+
+ // Wait before erasing old circle
+ wait(0.02); // In seconds
+
+ // Erase old circle
+ uLCD.filled_circle((int)x, (int)y, radius, BLACK);
+
+ // Move circle. IMPORTANT! Notice how we adjust for sensor orientation!
+ x -= (speed * accel.readY());
+ y -= (speed * accel.readX());
+
+ // Make circle sit on edges
+ if ( x <= radius + 1 ) {
+ x = radius + 1;
+ } else if ( x >= 126 - radius ) {
+ x = 126 - radius;
+ }
+ if ( y <= radius + 1 ) {
+ y = radius + 1;
+ } else if ( y >= 126 - radius ) {
+ y = 126 - radius;
+ }
+ }
+}