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-rw-r--r--robot/problems/introduction/rotateback/old_naloga11_rotateBack.py53
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diff --git a/robot/problems/introduction/rotateback/old_naloga11_rotateBack.py b/robot/problems/introduction/rotateback/old_naloga11_rotateBack.py
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+++ b/robot/problems/introduction/rotateback/old_naloga11_rotateBack.py
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+#!/usr/bin/python
+# coding=utf-8
+import sys
+sys.path.append('/home/user/codeq')
+import time
+from ev3dev import *
+from mindstorms_widgets import mindstorms_widgets
+
+# the sensor should be perfectly still while resetting the gyro
+def resetGyro(gyro):
+ gyro.mode = 'GYRO-RATE'
+ gyro.mode = 'GYRO-ANG'
+
+def sgn(x):
+ return -1 if x<0 else (1 if x>0 else 0)
+
+gyro = gyro_sensor()
+assert gyro.connected
+gyro.mode = 'GYRO-ANG'
+
+touch = touch_sensor()
+assert touch.connected
+
+robot = mindstorms_widgets()
+robot.connect_motor( 'left' )
+robot.connect_motor( 'right' )
+
+smer = hitrost = 0
+resetGyro(gyro)
+prev_smer = -1
+while 1:
+ smer = gyro.value()
+ if smer!=prev_smer:
+ print ("Kot:", smer)
+ prev_smer = smer
+
+ if touch.value():
+ resetGyro(gyro)
+ print( gyro.value())
+
+ if abs(smer) < 10:
+ hitrost = 10*sgn(smer)
+ else:
+ if abs(smer) > 100:
+ hitrost = 100*sgn(smer)
+ else:
+ hitrost = smer
+
+ if abs(smer) > 1:
+ L, R = -hitrost, hitrost
+ else:
+ L = R = 0
+ robot.move_tank('on', lr_power=[L,R])