def query_allowed_components(self):
"""Prints a list of components connected to electronic board"""
raw_allowed = self.query('DC?')
device_list1 = ['Seed current', 'Pump 1 current', 'Pump 2 current',
'Pump 3 current', 'Seed temperature',
'Pump 1 temperature', 'Pump 2 temperature',
'Pump 3 temperature']
device_list2 = ['Digital temperature sensor 1',
'Digital temperature sensor 2',
'Analog temperature sensor 1',
'Analog temperature sensor 1',
'Voltage test 28V', 'Voltage test 1.8V',
'Voltage test 5V', 'Pump 1 photodiode']
device_list3 = ['Pump 2 photodiode', 'Monitor photodiode 1',
'Monitor photodiode 2', 'Trigger', 'Pulse width',
'Pulse rate', '', '']
device_list4 = ['', '', '', 'Seed bias voltage', '', '', '', '']
device_array = [device_list1, device_list2,
device_list3, device_list4]
allowed = ['allowed!', 'NOT ALLOWED!']
i = 0
while i < len(device_array):
ascii = raw_allowed[2+i]
bits = _string_to_bits(ascii)
j = 0
while j < len(bits):
if device_array[i][j]:
log.log_warn(__name__, 'query_allowed_components',
device_array[i][j] + ' is '
+ allowed[int(bits[j])])
j += 1
i += 1
def query_pump_status(self, pump_num):
"""Returns True if pump is on and False if pump is off."""
pump_status = self.query('P%d?' % pump_num)
if pump_status[2] == '0':
log.log_warn(__name__, 'query_pump_status',
'Pump %d is off!' % pump_num)
return False
return True
def _form_temp_command(temp):
"""Makes set temperature into machine-readable format."""
temp_val = int(np.floor(1638.*((temp-25.)/40.+1.25)))
if temp_val > 4095 or temp_val < 0:
log.log_warn(__name__, '_form_temp_command',
'Temperature to be set is out of bounds!')
return
temp_str = str(temp_val).zfill(4)
return temp_str
def query_tec_status(self, tec_num):
"""tec_num=0 for seed, ={1,2,3} for pumps, returns True if tec on."""
if tec_num == 0:
tec_num = 'S'
tec_status = self.query('TEC%s?' % tec_num)
if tec_status[4] == '0':
log.log_warn(__name__, 'query_tec_status',
'%s TEC is off!' % tec_num)
return False
return True
def set_pump_write_constant(self, pump_num, val):
"""Sets the write constant of pump_num={1,2,3}
val must be an integer between 0 and 4095(?)
probably safest to leave these alone
unless desired current cant be reached"""
if pump_num == 2:
log.log_warn(__name__, 'set_pump_write_constants',
'Cannot change pump 2 current!')
return
val_str = str(val).zfill(4)
self.write('PCCW%d%s' % (pump_num, val_str))
def query_trigger_n_laser_status(self):
"""Returns True's if trigger is correct and laser is emitting."""
tl_status = self.query('TS?')
# This model does not have an external trigger
# trigger_match = True
laser_on = True
# if tl_status[2] == '0':
# log.log_warn(__name__, 'query_trigger_n_laser_status',
# 'External trigger does not match requirement!')
# trigger_match = False
if tl_status[3] == '0':
log.log_warn(__name__, 'query_trigger_n_laser_status',
'Laser not emitting!')
laser_on = False
return laser_on
def set_pump_current(self, pump_num, current):
"""
! Manual gives units of seed current in volts?!
pump_num=0 for seed, ={1,2,3} for corresponding pumps,
sets current in amps"""
if current > self.pcl_list[pump_num] or current < 0:
log.log_warn(__name__, 'set_pump_current',
'Pump current to be set is out of bounds!')
return
if pump_num == 2 and current != 2:
log.log_warn(__name__, 'set_pump_current',
'Pump 2 must stay at 2 amps!')
return
item_str = '0%d' % (pump_num + 3)
current_str = _form_current_command(pump_num, current, self.pccw_list)
self.__set_analog_output_values(item_str, current_str)
def query_temp_error(self):
"""Returns True for each TEC within error, False if not."""
temp_error = self.query('FB?')
# This model does not have seed or pump 1 lasers installed
# seed_temp = pump1_temp = True
pump2_temp = pump3_temp = True
# if temp_error[2] == '0':
# log.log_warn(__name__, 'query_temp_error',
# 'Seed temperature outsde error limit!')
# seed_temp = False
# if temp_error[3] == '0':
# log.log_warn(__name__, 'query_temp_error',
# 'Pump 1 temperature outsde error limit!')
# pump1_temp = False
if temp_error[4] == '0':
log.log_warn(__name__, 'query_temp_error',
'Pump 2 temperature outsde error limit!')
pump2_temp = False
if temp_error[5] == '0':
log.log_warn(__name__, 'query_temp_error',
'Pump 3 temperature outsde error limit!')
pump3_temp = False
return pump2_temp, pump3_temp