aboutsummaryrefslogtreecommitdiffstats
path: root/klippy/extras/adxl345.py
diff options
context:
space:
mode:
Diffstat (limited to 'klippy/extras/adxl345.py')
-rw-r--r--klippy/extras/adxl345.py28
1 files changed, 6 insertions, 22 deletions
diff --git a/klippy/extras/adxl345.py b/klippy/extras/adxl345.py
index 76fd4ca4..b91224d5 100644
--- a/klippy/extras/adxl345.py
+++ b/klippy/extras/adxl345.py
@@ -187,7 +187,7 @@ def read_axes_map(config):
MIN_MSG_TIME = 0.100
BYTES_PER_SAMPLE = 5
-SAMPLES_PER_BLOCK = 10
+SAMPLES_PER_BLOCK = bulk_sensor.MAX_BULK_MSG_SIZE // BYTES_PER_SAMPLE
BATCH_UPDATES = 0.100
@@ -205,13 +205,12 @@ class ADXL345:
self.mcu = mcu = self.spi.get_mcu()
self.oid = oid = mcu.create_oid()
self.query_adxl345_cmd = None
- self.query_adxl345_status_cmd = None
mcu.add_config_cmd("config_adxl345 oid=%d spi_oid=%d"
% (oid, self.spi.get_oid()))
mcu.add_config_cmd("query_adxl345 oid=%d clock=0 rest_ticks=0"
% (oid,), on_restart=True)
mcu.register_config_callback(self._build_config)
- self.bulk_queue = bulk_sensor.BulkDataQueue(mcu, "adxl345_data", oid)
+ self.bulk_queue = bulk_sensor.BulkDataQueue(mcu, oid=oid)
# Clock tracking
chip_smooth = self.data_rate * BATCH_UPDATES * 2
self.clock_sync = bulk_sensor.ClockSyncRegression(mcu, chip_smooth)
@@ -230,10 +229,8 @@ class ADXL345:
cmdqueue = self.spi.get_command_queue()
self.query_adxl345_cmd = self.mcu.lookup_command(
"query_adxl345 oid=%c clock=%u rest_ticks=%u", cq=cmdqueue)
- self.query_adxl345_status_cmd = self.mcu.lookup_query_command(
- "query_adxl345_status oid=%c",
- "adxl345_status oid=%c clock=%u query_ticks=%u next_sequence=%hu"
- " buffered=%c fifo=%c limit_count=%hu", oid=self.oid, cq=cmdqueue)
+ self.clock_updater.setup_query_command(
+ self.mcu, "query_adxl345_status oid=%c", oid=self.oid, cq=cmdqueue)
def read_reg(self, reg):
params = self.spi.spi_transfer([reg | REG_MOD_READ, 0x00])
response = bytearray(params['response'])
@@ -286,17 +283,6 @@ class ADXL345:
self.clock_sync.set_last_chip_clock(seq * SAMPLES_PER_BLOCK + i)
del samples[count:]
return samples
- def _update_clock(self, minclock=0):
- # Query current state
- for retry in range(5):
- params = self.query_adxl345_status_cmd.send([self.oid],
- minclock=minclock)
- fifo = params['fifo'] & 0x7f
- if fifo <= 32:
- break
- else:
- raise self.printer.command_error("Unable to query adxl345 fifo")
- self.clock_updater.update_clock(params)
# Start, stop, and process message batches
def _start_measurements(self):
# In case of miswiring, testing ADXL345 device ID prevents treating
@@ -325,8 +311,6 @@ class ADXL345:
logging.info("ADXL345 starting '%s' measurements", self.name)
# Initialize clock tracking
self.clock_updater.note_start(reqclock)
- self._update_clock(minclock=reqclock)
- self.clock_updater.clear_duration_filter()
self.last_error_count = 0
def _finish_measurements(self):
# Halt bulk reading
@@ -334,7 +318,7 @@ class ADXL345:
self.bulk_queue.clear_samples()
logging.info("ADXL345 finished '%s' measurements", self.name)
def _process_batch(self, eventtime):
- self._update_clock()
+ self.clock_updater.update_clock()
raw_samples = self.bulk_queue.pull_samples()
if not raw_samples:
return {}
@@ -342,7 +326,7 @@ class ADXL345:
if not samples:
return {}
return {'data': samples, 'errors': self.last_error_count,
- 'overflows': self.clock_updater.get_last_limit_count()}
+ 'overflows': self.clock_updater.get_last_overflows()}
def load_config(config):
return ADXL345(config)