with open(height_map_file, "r") as fp:
height_pnts.append([])
for line in fp:
line = line.strip()
if len(line)==0: continue
if line[0] == '#': continue
v = line.split()
pnts.append( [ float(v[0]), float(v[1]), float(v[2]) ] )
height_pnts[0].append( [ float(v[0]), float(v[1]), float(v[2]) ] )
if not dry_run:
if do_homing:
if verbose: print "# homing..."
x = grbl.send_command("$H")
if verbose: print "# got:", x
sx = height_pnts[0][0][0]
sy = height_pnts[0][0][1]
start_line = "G0 X{:.8f} Y{:.8f}".format(float(sx), float(sy))
#start_line = "G0 X{:.8f}".format(sx) + " Y{:.8f}".format(sy)
r = grbl.send_command(start_line)
else:
grid_margin = 1.0
#z_safe = -1.0
#z_ub = -1.0
pnts = []
if not dry_run:
grbl.setup(tty_device)
grbl.send_initial_command("")
sys.stdout.write("\n#### ")
cprint("READY TO CUT, REMOVE PROBE AND PRESS ENTER TO CONTINUE", "red", attrs=['blink'])
sys.stdout.flush()
sys.stdin.readline()
if not dry_run:
grbl.send_command("G1Z5F50")
if grbl_spindle:
grbl.send_command("S" + str(s_val))
grbl.send_command("M03")
else:
grbl.send_command("M42")
for line in _gc["lines"]:
line = line.strip()
if len(line)==0: continue
if line[0] == '#': continue
if line[0] == '(': continue
print("## sending:", line)
#z_ub = -3.0
z_ub = 0.0
z_lb = -15.0
fz = 1
xminmax = [_gc["min_x"] - grid_margin, _gc["max_x"] + grid_margin]
yminmax = [_gc["min_y"] - grid_margin, _gc["max_y"] + grid_margin]
dx = 10.0
dy = 10.0
if not dry_run:
if do_homing:
if verbose: print "# homing..."
x = grbl.send_command("$H")
if verbose: print "# got:", x
if verbose: print "# moving z to:", z_ub
x = grbl.send_command("g0 z" + str(z_ub))
if verbose: print "# got:", x
var = grbl.wait_for_var_position('z', z_ub)
if verbose: print "# got:", var
_pntsxy = []
_y = yminmax[0]
while _y <= yminmax[1]:
_x = xminmax[0]
while _x <= xminmax[1]:
_pntsxy.append([_x, _y])
_x += dx
y_i = 0
while y_i != (y_int_end+y_dir):
grid.append( [ x, y ] )
y_i += y_dir
y = y_0 + float(y_i)*tic
x_i += x_dir
x = x_start + float(x_i)*tic
# setup absolute, in mm
if not debug:
grbl.send_command( "" )
grbl.send_command( "" )
grbl.send_command( "g90" )
grbl.send_command( "g21" )
# position in 'home' position
grbl.send_command( "g1z" + str(z_up) )
grbl.send_command( "g0 x" + str(x_start) + " y" + str(y_start) )
if verbose:
print '# ?', str(z_down)
# set lower z threshold
grbl.send_command( "$25=" + str(z_down) )
# enable probe functionality
pnts = []
if not dry_run:
grbl.setup(tty_device)
grbl.send_initial_command("")
sys.stdout.write("\n#### ")
cprint("READY TO CUT, REMOVE PROBE AND PRESS ENTER TO CONTINUE",
"red",
attrs=['blink'])
sys.stdout.flush()
sys.stdin.readline()
if not dry_run:
grbl.send_command("G1Z5")
grbl.send_command("M42")
for line in _gc["lines"]:
line = line.strip()
if len(line) == 0: continue
if line[0] == '#': continue
if line[0] == '(': continue
print("## sending:", line)
sys.stdout.flush()
r = grbl.send_command(line)
print "### got:", r
sys.stdout.flush()
# if we've reached the end stop
if ( gBlackCount > gEndStopThresholdInt ):
if (gVerboseFlag):
print "# end stop reached"
homed = True
continue
else:
if (gVerboseFlag):
print "# end stop not reached"
iteration_count += 1
if (gVerboseFlag):
print "# iteration_count:", str(iteration_count)
print "# gPosCur:", str(gPosCur)
if (iteration_count > 10):
homed = True
gPosCur += 0.1
grbl.send_command( "g1y" + str(gPosCur) )
if (homed):
if (gVerboseFlag):
print "now homed"
else:
print "# NOT HOMED"
