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crazyflie_calibration.py
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Fri, Jun 6, 01:36

crazyflie_calibration.py
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#!/usr/bin/env python
import roslib
import rospy
import numpy as np
from geometry_msgs.msg import Twist
from test_package.msg import aircraft_controls
from threading import Thread
import sys, select, termios, tty
thrust_inc = 200
angle_inc = 200
thrust = 0
elevator = 0
rudder = 0
status = 0
speedBindings={
'q':(thrust_inc,0,0),
'z':(-thrust_inc,0,0),
'w':(0,angle_inc,0),
'x':(0,-angle_inc,0),
'e':(0,0,angle_inc),
'c':(0,0,-angle_inc),
}
def getKey():
tty.setraw(sys.stdin.fileno())
select.select([sys.stdin], [], [], 0)
key = sys.stdin.read(1)
termios.tcsetattr(sys.stdin, termios.TCSADRAIN, settings)
return key
def process_keyboard():
try:
print vels(0,0,0)
while(1):
key = getKey()
if key in speedBindings.keys():
global thrust, elevator, rudder, status
thrust = thrust + speedBindings[key][0]
elevator = elevator + speedBindings[key][1]
rudder = rudder + speedBindings[key][2]
print vels(thrust,elevator,rudder)
status = (status + 1) % 15
else:
if (key == '\x03'):
break
#twist = Twist()
#twist.linear.x = elevator
#twist.linear.y = rudder
#twist.linear.z = thrust
except Exception, e:
print e
finally:
twist = aircraft_controls()
twist.thrust = 0
twist.rudder = 0
twist.elevator = 0
pub.publish(twist)
termios.tcsetattr(sys.stdin, termios.TCSADRAIN, settings)
def vels(thrust, elevator, rudder):
return "currently:\tthrust %s\televator %s\trudder %s" % (thrust,elevator,rudder)
if __name__=="__main__":
settings = termios.tcgetattr(sys.stdin)
#pub = rospy.Publisher('/crazyflie/cmd_vel', Twist, queue_size = 1)
pub = rospy.Publisher('/kite_controls', aircraft_controls, queue_size = 1)
rospy.init_node('talker')
rate = rospy.Rate(20)
t = Thread(target=process_keyboard)
t.start()
while not rospy.is_shutdown():
twist = aircraft_controls()
twist.thrust = thrust
twist.rudder = rudder
twist.elevator = elevator
#twist.angular.x = 0; twist.angular.y = 0; twist.angular.z = 0
pub.publish(twist)
rate.sleep()

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