--- /dev/null
+#!/usr/bin/env python
+# -*- coding: iso-8859-15 -*-
+
+import sys
+import struct
+from time import sleep
+from i2c import i2c_write_reg, i2c_read_reg
+
+
+def set(trans, rot):
+ i2c_write_reg(0x50, 0x50, struct.pack(">ff", trans, rot))
+
+if __name__ == "__main__":
+ set(float(sys.argv[1]), float(sys.argv[2]))
+ while True:
+ speed1, speed2, speed3, speed4 = struct.unpack(">hhhh", i2c_read_reg(0x50, 0x30, 8))
+ print speed1, speed2, speed3, speed4
+ sleep(0.1)
self.cmd_vel = None
self.set_speed(0, 0)
rospy.loginfo("Init done")
- i2c_write_reg(0x50, 0x90, struct.pack("BB", 1, 1)) # switch direction
self.handicap_last = (-1, -1)
self.pStripe = LPD8806(1, 0, 12)
rospy.Subscriber("cmd_vel_out", Twist, self.cmdVelReceived)
- rospy.Subscriber("imu", Imu, self.imuReceived)
rospy.Subscriber("led_stripe", LedStripe, self.led_stripe_received)
self.run()
self.cmd_vel = None
rate.sleep()
- def set_motor_handicap(self, front, aft): # percent
- if front > 100: front = 100
- if aft > 100: aft = 100
- if self.handicap_last != (front, aft):
- i2c_write_reg(0x50, 0x94, struct.pack(">bb", front, aft))
- self.handicap_last = (front, aft)
-
- def imuReceived(self, msg):
- (roll, pitch, yaw) = tf.transformations.euler_from_quaternion(msg.orientation.__getstate__())
- if pitch > 30*pi/180:
- val = (100.0/60)*abs(pitch)*180/pi
- self.set_motor_handicap(int(val), 0)
- elif pitch < -30*pi/180:
- val = (100.0/60)*abs(pitch)*180/pi
- self.set_motor_handicap(0, int(val))
- else:
- self.set_motor_handicap(0, 0)
-
def get_reset(self):
reset = struct.unpack(">B", i2c_read_reg(0x50, 0xA0, 1))[0]