ECE4180 / Mbed 2 deprecated Lab4

Sparkfun Analog Joystick Test Program

Dependencies:   4DGL-uLCD-SE SparkfunAnalogJoystick mbed

Fork of Lab4 by ECE4180

Files at this revision

API Documentation at this revision

Revision 2:b5e0e6138548, committed 2015-03-08

Comitter:
happinesstaker
Date:
Sun Mar 08 21:17:03 2015 +0000
Parent:
1:9d61fc8d0615
Commit message:
y position on screen: upper-->small y, bottom-->large y

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
diff -r 9d61fc8d0615 -r b5e0e6138548 main.cpp
--- a/main.cpp	Sun Mar 08 05:44:22 2015 +0000
+++ b/main.cpp	Sun Mar 08 21:17:03 2015 +0000
@@ -27,9 +27,10 @@
         float angle=joysttick.angle();
         float x=distance*cos(angle*M_PI/180)*40;
         float y=distance*sin(angle*M_PI/180)*40;
+        printf("y: %f\n\r\n", y);
         lcd.circle(60, 60, 40, WHITE);
-        lcd.line(60, 60, 60+lastx, 60+lasty, BLACK);
-        lcd.line(60, 60, 60+x, 60+y, WHITE);
+        lcd.line(60, 60, 60+lastx, 60-lasty, BLACK);
+        lcd.line(60, 60, 60+x, 60-y, WHITE);
         lastx=x;
         lasty=y;     
         wait(0.1);