def setUp(self):
self.mapper = LinearMapper()
self.mapper.low_data = 2
self.mapper.high_data = 6
self.mapper.low_step = 0
self.mapper.high_step = 9500
def load_additional_args(self, config):
"""
"""
args = [('Motion', 'steps', 'int'), ('Motion', 'min_steps', 'int'),
('Motion', 'sign'), ('Motion', 'velocity'),
('Motion', 'acceleration'), ('Homing', 'home_delay'),
('Homing', 'home_velocity'), ('Homing', 'home_acceleration'),
('Homing', 'home_at_startup', 'boolean'), ('General', 'min'),
('General', 'max'), ('General', 'nominal_position'),
('General', 'units')]
for args in args:
if len(args) == 3:
section, key, cast = args
else:
cast = 'float'
section, key = args
self.set_attribute(config, key, section, key, cast=cast)
if config.has_option('Motion', 'hysteresis'):
'''
if hysteresis is <0
correction is done when moving in the negative direction
if hysteresis is >0
correction is done when moving in the positive direction
'''
self.hysteresis_value = self.config_get(config,
'Motion',
'hysteresis',
cast='int')
# self.use_hysteresis = True
# else:
# self.use_hysteresis = False
if config.has_option('General', 'initialize'):
self.use_initialize = self.config_get(config,
'General',
'initialize',
cast='boolean')
mi = self.min
ma = self.max
if self.sign == -1:
tm = mi
mi = ma
ma = tm
self.linear_mapper = LinearMapper(low_data=mi,
high_data=ma,
low_step=int(self.min_steps),
high_step=int(self.steps))
def linear_mapper_factory(self):
mi = self.min
ma = self.max
if self.sign == -1:
mi, ma = ma, mi
self.linear_mapper = LinearMapper(low_data=mi,
high_data=ma,
low_step=int(self.min_steps),
high_step=int(self.steps))
