def __init__(self, com_port=1):
self.device = serial.Serial(com_port, 19200, \
parity = serial.PARITY_EVEN, \
timeout = 1)
if not self.device:
raise gexceptions.DeviceNotFound
self.queue = SerialQueue(self.device)
self.queue.start()
self.syringe_pumps = {}
self.syringe_pump_devices = []
self.probe_map = {1: 'a', 2: 'b', 3: 'c', 4: 'd'}
# Positioning constants
self.base_z = 0
self.base_tip_height = 10
self.current_tip_height = 20
# Cached variables
self.liquid_sensitivity = {}
self.liquid_detector_status = {}
self.probe_speed = {}
self.probe_x_range = {}
self.xyz_range = {}
self.home_phase = {}
self.motor_status = {}
self.time_delay = .05
# Syringe pump data
"""syringe_default = {'device_id': -1,
'side': None,
'syringe_size': 0,
'partner_probe': 0,
'status': 'I',
'current_volume': 0,
'valve_status': 'N',
'motor_force': 3,
'flow_rate': 10,
'next_operation': 0}
self.syringe = {1: syringe_default, 2: syringe_default,
3: syringe_default, 4: syringe_default}"""
self.syringe = {}
for i in range(4):
self.syringe[i + 1] = {
'device_id': -1,
'side': None,
'syringe_size': 0,
'partner_probe': 0,
'status': 'I',
'current_volume': 0,
'valve_status': 'N',
'motor_force': 3,
'flow_rate': 10,
'next_operation': 0
}
self.syringe_devices = []
