# linear motion #
# Xiang Zhai, May 2, 2013 #
# zxzhaixiang at gmail.com #
# For instruction on how to build the laser engraver and operate the codes, please visit #
# funofdiy.blogspot.com #
# #
################################################################################################
import RPi.GPIO as GPIO
from Bipolar_Stepper_Motor_Class import Bipolar_Stepper_Motor
import time
from numpy import pi, sin, cos, sqrt, arccos, arcsin
GPIO.setmode(GPIO.BOARD)
M = Bipolar_Stepper_Motor(11, 7, 5, 3)
speed = 200
#step/sec
try:
for i in range(30):
print "Move to %s .." % ((i + 1) * 1000)
M.move(-1, 1000, 1.0 / speed)
except KeyboardInterrupt:
pass
M.unhold()
GPIO.cleanup()
# Ian D. Miller
# Jan 7, 2014
# http://www.pxlweavr.com
# info [at] pxlweavr.com
print "Program Started"
import RPi.GPIO as GPIO
import Motor_control
from Bipolar_Stepper_Motor_Class import Bipolar_Stepper_Motor
import time
from numpy import pi, sin, cos, sqrt, arccos, arcsin
#Test program for stepper motor
GPIO.setmode(GPIO.BOARD)
GPIO.setup(3, GPIO.OUT)
motor = Bipolar_Stepper_Motor(8, 10, 12, 16)
try:
while True:
direction = int(raw_input("Input Direction: "))
steps = int(raw_input("Input Step Number: "))
laservar = int(raw_input("Laser state: "))
GPIO.output(3, laservar)
motor.move(direction, steps, 0.01)
except KeyboardInterrupt:
GPIO.cleanup()
# Ian D. Miller
# Jan 7, 2014
# http://www.pxlweavr.com
# info [at] pxlweavr.com
print "Program Started"
import RPi.GPIO as GPIO
import Motor_control
from Bipolar_Stepper_Motor_Class import Bipolar_Stepper_Motor
import time
from numpy import pi, sin, cos, sqrt, arccos, arcsin
#Test program for stepper motor
GPIO.setmode(GPIO.BOARD)
GPIO.setup(3,GPIO.OUT)
motor=Bipolar_Stepper_Motor(8,10,12,16)
try:
while True:
direction = int(raw_input("Input Direction: "))
steps = int(raw_input("Input Step Number: "))
laservar = int(raw_input("Laser state: "))
GPIO.output(3,laservar)
motor.move(direction,steps,0.01)
except KeyboardInterrupt:
GPIO.cleanup()
no_step=int(round(r*theta/dx/5.0)); # number of point for the circular interpolation
for i in range(1,no_step+1):
tmp_theta=i*theta/no_step;
tmp_x_pos=xcenter+e1[0]*cos(tmp_theta)+e2[0]*sin(tmp_theta);
tmp_y_pos=ycenter+e1[1]*cos(tmp_theta)+e2[1]*sin(tmp_theta);
moveto(MX,tmp_x_pos,dx,MY, tmp_y_pos,dy,speed,True);
else: #Manual Control Mode
while True:
xsteps = int(raw_input("X Stepper Steps: "))
ysteps = int(raw_input("Y Stepper Steps: "))
laservar = int(raw_input("Laser state (1 on, 0 off): "))
GPIO.output(Laser_switch,laservar)
if (xsteps > 0):
MX.move(1,abs(xsteps),0.01)
else:
MX.move(-1,abs(xsteps),0.01)
if (ysteps > 0):
MY.move(1,abs(ysteps),0.01)
else:
MY.move(-1,abs(ysteps),0.01)
except KeyboardInterrupt:
popen.kill()
pid = subprocess.call('pkill raspivid', shell=True)
pass
GPIO.output(Laser_switch,False); # turn off laser
moveto(MX,0,dx,MY,0,dy,50,False); # move back to Origin
MX.unhold();
