def __init__(self, host, katcp_port=7147, boffile=None, connect=True, config=None):
if config:
if boffile:
raise ValueError('Cannot specify "boffile" parameter if config is used')
boffile = config['bitstream']
self.config = config
FpgaHost.__init__(
self, host, katcp_port=katcp_port, boffile=boffile, connect=connect)
self.boffile = boffile
self.sine_sources = AttributeContainer()
self.noise_sources = AttributeContainer()
self.pulsar_sources = AttributeContainer()
self.outputs = AttributeContainer()
def get_system_information(self, filename=None, fpg_info=None):
"""Get system information and build D-engine sources"""
FpgaHost.get_system_information(self, filename=filename, fpg_info=fpg_info)
self.sine_sources.clear()
self.noise_sources.clear()
self.pulsar_sources.clear()
self.outputs.clear()
for reg in self.registers:
sin_name = get_prefixed_name('freq_cwg', reg.name)
noise_name = get_prefixed_name('scale_wng', reg.name)
pulsar_name = get_prefixed_name('freq_pulsar', reg.name)
output_scale_name = get_prefixed_name('scale_out', reg.name)
if sin_name is not None:
scale_reg_postfix = (
'_'+sin_name if reg.name.endswith('_'+sin_name) else sin_name)
scale_reg = getattr(self.registers, 'scale_cwg' + scale_reg_postfix)
repeat_en_reg_name = 'rpt_en_cwg' + scale_reg_postfix
repeat_len_reg_name = 'rpt_length_cwg' + scale_reg_postfix
repeat_en_reg = getattr(self.registers, repeat_en_reg_name, None)
repeat_len_reg = getattr(self.registers, repeat_len_reg_name, None)
repeat_len_field_name = 'cwg' + scale_reg_postfix + '_repeat_length'
setattr(self.sine_sources, 'sin_'+ sin_name, SineSource(
reg, scale_reg, sin_name,
repeat_len_register=repeat_len_reg,
repeat_en_register=repeat_en_reg,
repeat_len_field_name=repeat_len_field_name))
elif noise_name is not None:
setattr(self.noise_sources, 'noise_' + noise_name,
NoiseSource(reg, noise_name))
elif pulsar_name is not None:
scale_reg_postfix = (
'_'+pulsar_name if reg.name.endswith('_'+pulsar_name) else pulsar_name)
scale_reg = getattr(self.registers, 'scale_pulsar' + scale_reg_postfix)
setattr(self.pulsar_sources, 'pulsar_'+pulsar_name, PulsarSource(
reg, scale_reg, pulsar_name))
elif output_scale_name is not None:
# TEMP hack due to misnamed register
if output_scale_name.startswith('arb'):
continue
setattr(self.outputs, 'out_' + output_scale_name,
Output(output_scale_name, reg, self.registers.control))
