srenblad/artiq
1
0
Fork 0
forked from M-Labs/artiq
Code Pull Requests Activity

rtio: remove unnecessary attributes

Browse Source
This commit is contained in:
Sebastien Bourdeauducq 2014-12-01 17:47:24 +08:00
parent cd587e4f12
commit 57d633f48e
2 changed files with 4 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
artiq/coredevice/dds.py
View File

@ -26,6 +26,7 @@ class DDS(AutoContext):
parameters = "dds_sysclk reg_channel rtio_switch"
def build(self):
self.previous_on = False
self.previous_frequency = 0*MHz
self.set_phase_mode(PHASE_MODE_CONTINUOUS)
self.sw = rtio.RTIOOut(self, channel=self.rtio_switch)
@ -95,7 +96,7 @@ class DDS(AutoContext):
# Channel is off:
# Use soft timing on FUD to prevent conflicts when reprogramming
# several channels that need to be turned on at the same time.
rt_fud = merge or bool(self.sw.previous_value)
rt_fud = merge or self.previous_on
ftw = self.frequency_to_ftw(frequency)
if self.phase_mode != PHASE_MODE_CONTINUOUS:
phase_per_microcycle = ftw*int64(
@ -108,6 +109,7 @@ class DDS(AutoContext):
rt_fud, self.phase_mode == PHASE_MODE_TRACKING)
self.previous_frequency = frequency
self.sw.on()
self.previous_on = True
if phase_mode != PHASE_MODE_DEFAULT:
self.set_phase_mode(old_phase_mode)
@ -118,6 +120,7 @@ class DDS(AutoContext):
"""
self.sw.off()
self.previous_on = False
@kernel
def pulse(self, frequency, duration,

4
artiq/coredevice/rtio.py
View File

@ -14,7 +14,6 @@ class LLRTIOOut(AutoContext):
parameters = "channel"
def build(self):
self.previous_timestamp = int64(0) # in RTIO cycles
self._set_oe()
@kernel
@ -30,7 +29,6 @@ class LLRTIOOut(AutoContext):
"""
syscall("rtio_set", t, self.channel, value)
self.previous_timestamp = t
@kernel
def on(self, t):
@ -56,7 +54,6 @@ class _RTIOBase(AutoContext):
def build(self):
self.previous_timestamp = int64(0) # in RTIO cycles
self.previous_value = 0
@kernel
def _set_oe(self, oe):
@ -66,7 +63,6 @@ class _RTIOBase(AutoContext):
def _set_value(self, value):
syscall("rtio_set", time_to_cycles(now()), self.channel, value)
self.previous_timestamp = time_to_cycles(now())
self.previous_value = value
class RTIOOut(_RTIOBase):