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bulk_sensor: Refactor ChipClockUpdater constructor

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Build the clock_sync and struct.Struct() in the ChipClockUpdater
constructor.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2024-04-13 21:02:04 -04:00
parent 56829b07d2
commit 9ceaae3847
5 changed files with 31 additions and 45 deletions
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20
klippy/extras/bulk_sensor.py
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@ -202,15 +202,17 @@ MAX_BULK_MSG_SIZE = 52
# Handle common periodic chip status query responses
class ChipClockUpdater:
def __init__(self, clock_sync, bytes_per_sample):
self.clock_sync = clock_sync
self.bytes_per_sample = bytes_per_sample
self.samples_per_block = MAX_BULK_MSG_SIZE // bytes_per_sample
def __init__(self, mcu, chip_clock_smooth, unpack_fmt):
self.mcu = mcu
self.clock_sync = ClockSyncRegression(mcu, chip_clock_smooth)
unpack = struct.Struct(unpack_fmt)
self.unpack_from = unpack.unpack_from
self.bytes_per_sample = unpack.size
self.samples_per_block = MAX_BULK_MSG_SIZE // self.bytes_per_sample
self.last_sequence = self.max_query_duration = 0
self.last_overflows = 0
self.mcu = self.oid = self.query_status_cmd = None
def setup_query_command(self, mcu, msgformat, oid, cq):
self.mcu = mcu
self.oid = self.query_status_cmd = None
def setup_query_command(self, msgformat, oid, cq):
self.oid = oid
self.query_status_cmd = self.mcu.lookup_query_command(
msgformat, "sensor_bulk_status oid=%c clock=%u query_ticks=%u"
@ -256,11 +258,11 @@ class ChipClockUpdater:
else:
self.clock_sync.update(avg_mcu_clock, chip_clock)
# Convert a list of sensor_bulk_data responses into list of samples
def extract_samples(self, unpack_fmt, raw_samples):
unpack_from = struct.Struct(unpack_fmt).unpack_from
def extract_samples(self, raw_samples):
# Load variables to optimize inner loop below
last_sequence = self.get_last_sequence()
time_base, chip_base, inv_freq = self.clock_sync.get_time_translation()
unpack_from = self.unpack_from
bytes_per_sample = self.bytes_per_sample
samples_per_block = self.samples_per_block
# Process every message in raw_samples