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studentcode_teleop

2014-07-20

teleop code


In [1]:
# Cross-notebook include shim
with open("nbinclude.ipynb") as nbinclude_f: # don't rename nbinclude_f
    import IPython.nbformat.current
    get_ipython().run_cell(IPython.nbformat.current.read(nbinclude_f, 'json').worksheets[0].cells[0].input)

In [2]:
nbinclude("netrobot")

In [3]:
import time, lcm
from python.forseti2 import piemos_cmd
from python.fearing import xbox_joystick_state

In [4]:
class RobotRunner:
    def __init__(self):
        self.robot=NetRobot()
        self.autonomous=False

        
    def handle_joy(self, chan, data):
        if not self.autonomous:
            msg = xbox_joystick_state.decode(data)
            l,r = msg.axes[1], msg.axes[3]
            self.robot.cmd(-l,-r)
    def handle_piemos(self, channel, data):
        msg=piemos_cmd.decode(data)
        self.autonomous=msg.auton
        if self.autonomous:
            self.robot.cmd(-.2, .2)

    def lcm_run(self):
        lc=lcm.LCM('udpm://239.255.76.67:7667?ttl=1')
        sub=lc.subscribe("robot0/joy", self.handle_joy)
        sub2=lc.subscribe("piemos0/cmd", self.handle_piemos)
        self.running = True
        while self.running:
            lc.handle()
#             for tick in self.ticks:
#                 tick()
            time.sleep(.01)

In [ ]:
rr=RobotRunner()

In [ ]:
rr.lcm_run()

In [ ]: