X-Git-Url: https://defiant.homedns.org/gitweb/?p=ros_wild_thumper.git;a=blobdiff_plain;f=scripts%2Fmove_base.py;h=0f0bc190fcd7030a6cbdf1b9824a93f309e7e689;hp=ae15b380ddd1cb3afc1ae05ad1f162b22fb9377a;hb=6a8af73159db6b0af7382a22dae0b3b18295120f;hpb=e309767de0ab9e3a33658fe0ea050fc6e5421ef0 diff --git a/scripts/move_base.py b/scripts/move_base.py index ae15b38..0f0bc19 100755 --- a/scripts/move_base.py +++ b/scripts/move_base.py @@ -8,6 +8,7 @@ from i2c import * from math import * from geometry_msgs.msg import Twist from nav_msgs.msg import Odometry +from diagnostic_msgs.msg import DiagnosticArray, DiagnosticStatus, KeyValue WHEEL_DIST = 0.248 @@ -17,6 +18,7 @@ class MoveBase: rospy.Subscriber("cmd_vel", Twist, self.cmdVelReceived) self.tf_broadcaster = tf.broadcaster.TransformBroadcaster() self.pub_odom = rospy.Publisher("odom", Odometry, queue_size=16) + self.pub_diag = rospy.Publisher("diagnostics", DiagnosticArray, queue_size=16) self.set_speed(0, 0) rospy.loginfo("Init done") i2c_write_reg(0x50, 0x90, struct.pack("BB", 1, 1)) # switch direction @@ -25,6 +27,7 @@ class MoveBase: def run(self): rate = rospy.Rate(20.0) while not rospy.is_shutdown(): + self.get_tle_err() #self.get_odom() #self.get_dist_forward() #self.get_dist_backward() @@ -32,6 +35,25 @@ class MoveBase: #self.get_dist_right() rate.sleep() + def get_tle_err(self): + err = struct.unpack(">B", i2c_read_reg(0x50, 0x94, 1))[0] + + msg = DiagnosticArray() + msg.header.stamp = rospy.Time.now() + stat = DiagnosticStatus() + stat.name = "Motor: Error Status" + stat.level = DiagnosticStatus.OK if not err else DiagnosticStatus.ERROR + stat.message = "OK" if not err else "Error" + + stat.values.append(KeyValue("Motor 1", str(bool(err & (1 << 0))))) + stat.values.append(KeyValue("Motor 2", str(bool(err & (1 << 1))))) + stat.values.append(KeyValue("Motor 3", str(bool(err & (1 << 2))))) + stat.values.append(KeyValue("Motor 4", str(bool(err & (1 << 3))))) + + msg.status.append(stat) + self.pub_diag.publish(msg) + + def get_odom(self): posx, posy, angle = struct.unpack(">fff", i2c_read_reg(0x50, 0x40, 12)) speed_trans, speed_rot = struct.unpack(">ff", i2c_read_reg(0x50, 0x38, 8))