From 390d3bf8a69f3cd23dae064db94865d3a38fe948 Mon Sep 17 00:00:00 2001 From: Erik Andresen Date: Mon, 18 Apr 2016 18:47:37 +0200 Subject: [PATCH] wt_node: Transision from 4x TLE5205 to 2x VNH2SP30 --- scripts/engine_man_test.py | 18 ++++++++++++++++++ scripts/wt_node.py | 20 -------------------- 2 files changed, 18 insertions(+), 20 deletions(-) create mode 100755 scripts/engine_man_test.py diff --git a/scripts/engine_man_test.py b/scripts/engine_man_test.py new file mode 100755 index 0000000..b3bb880 --- /dev/null +++ b/scripts/engine_man_test.py @@ -0,0 +1,18 @@ +#!/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) diff --git a/scripts/wt_node.py b/scripts/wt_node.py index a5978b0..7fdf044 100755 --- a/scripts/wt_node.py +++ b/scripts/wt_node.py @@ -64,11 +64,9 @@ class MoveBase: 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() @@ -95,24 +93,6 @@ class MoveBase: 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] -- 2.39.5