mycobot_ros/mycobot_280/scripts/follow_and_pump.py
2021-07-12 17:42:33 +08:00

156 lines
3.7 KiB
Python
Executable file

#!/usr/bin/env python2
import rospy
from visualization_msgs.msg import Marker
import time
import random
from mycobot_description.msg import MycobotSetAngles, MycobotSetCoords, MycobotPumpStatus
rospy.init_node("gipper_subscriber", anonymous=True)
angle_pub = rospy.Publisher("mycobot/angles_goal", MycobotSetAngles, queue_size=5)
coord_pub = rospy.Publisher("mycobot/coords_goal", MycobotSetCoords, queue_size=5)
pump_pub = rospy.Publisher("mycobot/pump_status", MycobotPumpStatus, queue_size=5)
angles = MycobotSetAngles()
coords = MycobotSetCoords()
pump = MycobotPumpStatus()
x_offset = -20
y_offset = 20
z_offset = 110
flag = False
temp_x = temp_y = temp_z = 0.0
temp_time = time.time()
def pub_coords(x, y, z, rx=-150, ry=10, rz=-90, sp=70, m=2):
coords.x = x
coords.y = y
coords.z = z
coords.rx = rx
coords.ry = ry
coords.rz = rz
coords.speed = 70
coords.model = m
# print(coords)
coord_pub.publish(coords)
def pub_angles(a, b, c, d, e, f, sp):
angles.joint_1 = float(a)
angles.joint_2 = float(b)
angles.joint_3 = float(c)
angles.joint_4 = float(d)
angles.joint_5 = float(e)
angles.joint_6 = float(f)
angles.speed = sp
angle_pub.publish(angles)
def pub_pump(flag):
pump.Status = flag
pump_pub.publish(pump)
def target_is_moving(x, y, z):
count = 0
for o, n in zip((x, y, z), (temp_x, temp_y, temp_z)):
print(o, n)
if abs(o - n) < 2:
count += 1
print(count)
if count == 3:
return False
return True
def grippercallback(data):
global flag, temp_x, temp_y, temp_z
# rospy.loginfo('gripper_subscriber get date :%s', data)
if flag:
return
# pump lenght: 88mm
x = float(format(data.pose.position.x * 1000, ".2f"))
y = float(format(data.pose.position.y * 1000, ".2f"))
z = float(format(data.pose.position.z * 1000, ".2f"))
if (
time.time() - temp_time < 30
or (temp_x == temp_y == temp_z == 0.0)
or target_is_moving(x - x_offset, y - y_offset, z)
):
x -= x_offset
y -= y_offset
pub_coords(x - 20, y, 280)
time.sleep(0.1)
temp_x, temp_y, temp_z = x, y, z
return
else:
print(x, y, z)
# detect heigth + pump height + limit height + offset
x += x_offset
y += y_offset
z = z + 88 + z_offset
pub_coords(x, y, z)
time.sleep(2.5)
# down
for i in range(1, 17):
pub_coords(x, y, z - i * 5, rx=-160, sp=10)
time.sleep(0.1)
time.sleep(2)
pub_pump(True)
# pump on
pub_coords(x, y, z + 20, -165)
time.sleep(1.5)
pub_angles(0, 30, -50, -40, 0, 0, 50)
time.sleep(1.5)
put_z = 140
pub_coords(39.4, -174.7, put_z, -177.13, -4.13, -152.59, 70, 2)
time.sleep(1.5)
for i in range(1, 8):
pub_coords(39.4, -174.7, put_z - i * 5, -177.13, -4.13, -152.59, 15, 2)
time.sleep(0.1)
pub_pump(False)
time.sleep(0.5)
pub_angles(0, 30, -50, -40, 0, 0, 50)
time.sleep(1.5)
# finally
flag = True
def main():
for _ in range(10):
# pub_coords(150, 20, 220, -175, 0, -90, 70, 2)
pub_angles(0, 30, -50, -40, 0, 0, 50)
# pub_angles(random.randint(-30, 30), random.randint(-30, 30), random.randint(-30, 30), random.randint(-30, 30), random.randint(-30, 30), random.randint(-30, 30), 70)
time.sleep(0.5)
pub_pump(False)
# time.sleep(2.5)
rospy.Subscriber("visualization_marker", Marker, grippercallback, queue_size=1)
print("gripper test")
rospy.spin()
if __name__ == "__main__":
main()