Files
cristallina/beamline/PSSS_motion.py

314 lines
11 KiB
Python
Executable File

#!/usr/bin/env python
# *-----------------------------------------------------------------------*
# | |
# | Copyright (c) 2014 by Paul Scherrer Institute (http://www.psi.ch) |
# | |
# | Author Thierry Zamofing (thierry.zamofing@psi.ch) |
# *-----------------------------------------------------------------------*
"""
motion procedures for PSSS:
mode:
0: homing
1: calc energy and SPECTRUM_X out of camera arm angle
move CamPosX out of CristBendRot
"""
from __future__ import print_function
from errno import ENETRESET
import logging, sys, os, json
import CaChannel, time
import numpy as np
class PSSS:
def __init__(self, args):
# import pdb; pdb.set_trace()
# sys.exit()
# {'mode': 0, 'stdout': True, 'var': []}
# {'mode': 5, 'stdout': True, 'var': ['SARFE10-PSSS059']}
self.args = args
prefix = self.args.var[0]
prefix = prefix[0 : prefix.find("-") + 1]
self.prefix = prefix
# print('Prefix='+prefix)
self.pv = dict()
def getPv(self, name):
try:
pv = self.pv[name]
except KeyError:
prefix = self.prefix
pv = CaChannel.CaChannel(prefix + name)
pv.searchw()
self.pv[name] = pv
return pv
def moveLimit(self, m, val):
self.moveAbs(m, val)
def waitMotionDone(self, m):
s = m + ".DMOV"
pv = self.getPv(s)
sys.stdout.write("wait motion " + s + " ")
sys.stdout.flush()
while pv.getw() == 0:
sys.stdout.write(".")
sys.stdout.flush()
time.sleep(0.1)
print("done")
def setPos(self, m, ofs):
pvSET = self.getPv(m + ".SET")
pvVAL = self.getPv(m + ".VAL")
pvSET.putw(1) # Set
print("set ofset to %f" % ofs)
pvVAL.putw(ofs) # set value (without move)
time.sleep(0.1) # wait for safety
pvSET.putw(0) # Use
time.sleep(0.1) # wait for safety
def moveAbs(self, m, val):
pvVAL = self.getPv(m + ".VAL")
pvVAL.putw(val) # set position and move
def homing(self):
pvNameLst = (
"PSSS055:MOTOR_ROT_X1",
"PSSS055:MOTOR_X1",
"PSSS055:MOTOR_Y1",
"PSSS055:MOTOR_PROBE",
"PSSS059:MOTOR_X5",
"PSSS059:MOTOR_Y5",
"PSSS059:MOTOR_Z5",
"PSSS059:MOTOR_X3",
"PSSS059:MOTOR_Y3",
)
pvHOME = self.getPv("PSSS059:HOMING.VAL")
if pvHOME.getw(1) == 1:
print("homing still in progress. abort new procedure")
# return
pvHOME.putw(1) # homing in progress
try:
pvHomr = self.getPv(pvNameLst[0] + ".HOMR")
pvHomr.putw(1) # homing MOTOR_ROT_X1
self.waitMotionDone(pvNameLst[0])
homing = (
(1, 200, 10, 0), # PSSS055:MOTOR_X1 Home on +limit switch to +10mm
(2, 10, 4.475, 2.22), # PSSS055:MOTOR_Y1 Home on +limit switch to +4.475mm
(3, 50, 0, -9), # PSSS055:MOTOR_PROBE Home on +limit switch to +0mm
(4, 80, 35, 0), # PSSS059:MOTOR_X5 Home on +limit switch to +35mm
(5, 30, 10, 0), # PSSS059:MOTOR_Y5 Home on +limit switch to +10mm
# (6,20,8.9,0), # PSSS059:MOTOR_Z5 Home on +limit switch to +8.9mm Set HLM to 10, LLM to -2mm
(7, 30, 1, 0), # PSSS059:MOTOR_X3 Home on +limit switch to +10mm
(8, 30, 1, -1.4), # PSSS059:MOTOR_Y3 Home on +limit switch to +10mm
)
for idx, mvLim, setPos, mvPos in homing:
pvName = pvNameLst[idx]
print("homing %s %f %f %f" % (pvName, mvLim, setPos, mvPos))
self.moveLimit(pvName, mvLim)
for idx, mvLim, setPos, mvPos in homing:
pvName = pvNameLst[idx]
self.waitMotionDone(pvName)
self.setPos(pvName, setPos)
time.sleep(2)
print("sleep 2 sec.")
for idx, mvLim, setPos, mvPos in homing:
pvName = pvNameLst[idx]
self.moveAbs(pvName, mvPos)
for idx, mvLim, setPos, mvPos in homing:
pvName = pvNameLst[idx]
self.waitMotionDone(pvName)
except AssertionError as e: # BaseException as e:
print(e)
pvHOME.putw(3) # homing failed
else:
pvHOME.putw(2) # homing done
def set_energy_motor(self, energy2motor, scan=False, rotWait=False):
crystalType = self.getPv("PSSS059:CRYSTAL_SP").getw()
# crystalType=2
# print(crystalType)
# print(type(crystalType))
if crystalType == 0:
return
# 0 None
# 1 Si(111)R155
# 2 Si(220)R75
# 3 Si(220)R145
# 4 Si(220)R200
# 5 Si(333)R155
# load lut
fnXtlLst = (None, "Si111R155", "Si220R75", "Si220R145", "Si220R200", "Si333R155")
# print(__file__)
base = os.path.dirname(__file__)
fn = os.path.join(base, "lut" + fnXtlLst[crystalType] + ".txt")
lut = np.genfromtxt(fn, delimiter="\t", names=True)
# lut
# lut.dtype
# lut[1]['Energy']
# lut['Energy']
# lut=np.genfromtxt(fn, delimiter='\t',skip_header=1)
if energy2motor:
energy = self.getPv("PSSS059:ENERGY").getw()
# energy =6000
gratingType = self.getPv("PSSS055:GRATING_SP").getw()
# gratingType=3
camPosX = "CamPosX"
if gratingType in (1, 2):
camPosX += "_100nm"
elif gratingType == 3:
camPosX += "_150nm"
elif gratingType == 4:
camPosX += "_200nm"
camArmRot = np.interp(energy, lut["Energy"], lut["CamArmRot"])
cristBendRot = np.interp(energy, lut["Energy"], lut["CristBendRot"])
camPosX = np.interp(energy, lut["Energy"], lut[camPosX])
evPerPix = np.interp(energy, lut["Energy"], lut["EvPerPix"])
else:
camArmRot = self.getPv("PSSS059:MOTOR_ROT_X4").getw()
idx = ~np.isnan(lut["CamArmRot"])
lutCamArmRot = lut["CamArmRot"][idx]
energy = np.interp(camArmRot, lutCamArmRot[::-1], lut["Energy"][idx][::-1])
evPerPix = np.interp(camArmRot, lutCamArmRot[::-1], lut["EvPerPix"][idx][::-1])
# camera: 2560 x 2160
n = 2560
i = np.arange(n) - n / 2
spctr_x = energy + i * evPerPix
pv = self.getPv("PSSS059:SPECTRUM_X")
pv.putw(spctr_x)
pv = self.getPv("PSSS059:SPECTRUM_Y")
mu = 2560.0 / 2
sigma = 100.0
x = np.arange(2560.0)
spctr_y = 1000.0 * np.exp(-((x - mu) ** 2 / (2.0 * sigma**2)))
pv.putw(spctr_y)
if energy2motor:
print(
"energy2motor: camArmRot: %g cristBendRot: %g camPosX:%g evPerPix:%g"
% (camArmRot, cristBendRot, camPosX, evPerPix)
)
pv = self.getPv("PSSS059:MOTOR_ROT_X4")
pv.putw(camArmRot)
pv = self.getPv("PSSS059:MOTOR_ROT_X3")
pv.putw(cristBendRot)
if rotWait == True:
self.waitMotionDone("PSSS059:MOTOR_ROT_X3")
if scan == False: # if True the camera X position will not be changed
pv = self.getPv("PSSS059:MOTOR_X5")
pv.putw(camPosX)
else:
print("motor2energy: energy: %g evPerPix:%g" % (energy, evPerPix))
pv = self.getPv("PSSS059:ENERGY")
pv.putw(energy)
def grating2motor(self):
energy = self.getPv("PSSS059:ENERGY").getw()
gratingType = self.getPv("PSSS055:GRATING_SP").getw()
if gratingType == 0:
print("no grating")
girderX = 0.0
else:
base = os.path.dirname(__file__)
fn = fn = os.path.join(base, "lutGirderXTrans.txt")
lut = np.genfromtxt(fn, delimiter="\t", names=True)
d = {1: "100nm", 2: "100nm", 3: "150nm", 4: "200nm"}
print(gratingType)
grtStr = d[gratingType]
girderX = np.interp(energy, lut["Energy"], lut[grtStr])
print("girderX:%g" % (girderX))
pv = self.getPv("PSSS059:MOTOR_X2")
pv.putw(girderX)
if __name__ == "__main__":
from optparse import OptionParser, IndentedHelpFormatter
class MyFormatter(IndentedHelpFormatter):
"helper class for formating the OptionParser"
def __init__(self):
IndentedHelpFormatter.__init__(self)
def format_epilog(self, epilog):
if epilog:
return epilog
else:
return ""
def parse_args():
"main command line interpreter function"
(h, t) = os.path.split(sys.argv[0])
cmd = "\n " + (t if len(h) > 3 else sys.argv[0]) + " "
exampleCmd = ("MYPREFIX",)
epilog = (
__doc__
+ """
Examples:"""
+ "".join(map(lambda s: cmd + s, exampleCmd))
+ "\n "
)
fmt = MyFormatter()
parser = OptionParser(epilog=epilog, formatter=fmt)
parser.add_option("-m", "--mode", type="int", help="move instead of homing", default=0)
parser.add_option("-s", "--stdout", action="store_true", help="log to stdout instead of file")
(args, other) = parser.parse_args()
# print(args,other)
args.var = other
# args.var=('SARFE10-',)
fn = (
"/afs/psi.ch/intranet/Controls/scratch/"
+ os.path.basename(__file__)
+ "_"
+ os.environ.get("USER")
+ ".log"
)
if not args.stdout:
print("output redirected to file:\n" + fn)
stdoutBak = sys.stdout
sys.stdout = open(fn, "a+")
print("*" * 30 + "\n" + time.ctime() + ": run on host:" + os.environ.get("HOSTNAME"))
print("Args:" + str(args) + " " + str(args.var))
sys.stdout.flush()
psss = PSSS(args)
if args.mode == 0:
psss.homing()
elif args.mode == 1:
psss.set_energy_motor(energy2motor=True)
elif args.mode == 2:
psss.set_energy_motor(energy2motor=False)
elif args.mode == 3:
psss.grating2motor()
elif args.mode == 4:
psss.set_energy_motor(energy2motor=True, scan=True)
elif args.mode == 5:
psss.set_energy_motor(energy2motor=True, scan=True, rotWait=True)
print("PSSS_motion done.")
return
# os.environ['EPICS_CA_ADDR_LIST']='localhost'
# os.environ['EPICS_CA_ADDR_LIST']='172.26.0.255 172.26.2.255 172.26.8.255 172.26.16.255 172.26.24.255 172.26.32.255 172.26.40.255 172.26.110.255 172.26.111.255 172.26.120.255 129.129.242.255 129.129.243.255'
parse_args()