def intr_pin(self, source, value=None):
"""
Configures output pin of interrupts.
"""
mask = dict_key_by_value(INTERRUPT_SOURCES, source)
if value == None:
res = self.read(CTRL_REG5) & mask
else:
self._require_standby_mode()
val = dict_key_by_value(INTERRUPT_PINS, value)
res = self.read_write(CTRL_REG5, mask, val * mask) & mask
ret = INTERRUPT_PINS.get(res / mask)
return ret
def auto_sleep_rate(self, value=None):
"""
"""
if value == None:
res = self.read(CTRL_REG1) & CTRL_REG1_ASLP_RATE_MASK
else:
self._require_standby_mode()
val = dict_key_by_value(ASLP_RATES, value)
res = self.read_write(CTRL_REG1, CTRL_REG1_ASLP_RATE_MASK,
val) & CTRL_REG1_ASLP_RATE_MASK
ret = ASLP_RATES.get(res)
return ret
def data_rate(self, value=None):
"""
"""
if value == None:
res = self.read(CTRL_REG1) & CTRL_REG1_DR_MASK
else:
self._require_standby_mode()
val = dict_key_by_value(DATA_RATES, value)
res = self.read_write(CTRL_REG1, CTRL_REG1_DR_MASK,
val) & CTRL_REG1_DR_MASK
# Always update data rate instance variable
self._data_rate = DATA_RATES.get(res)
return self._data_rate
def wake(self, source, value=None):
"""
Enable/disable wake up sources.
"""
mask = dict_key_by_value(WAKE_SOURCES, source)
if value == None:
res = self.read(CTRL_REG3) & mask
else:
self._require_standby_mode()
val = mask if bool(value) else 0
res = self.read_write(CTRL_REG3, mask, val) & mask
ret = bool(res)
return ret
def intr(self, source, value=None):
"""
Enable/disable interrupts.
"""
mask = dict_key_by_value(INTERRUPT_SOURCES, source)
if value == None:
res = self.read(CTRL_REG4) & mask
else:
self._require_standby_mode()
val = mask if bool(value) else 0
res = self.read_write(CTRL_REG4, mask, val) & mask
ret = bool(res)
return ret
def range(self, value=None):
"""
Get or set dynamic range.
"""
if value == None:
res = self.read(XYZ_DATA_CFG) & XYZ_DATA_CFG_FS_MASK
else:
self._require_standby_mode()
val = dict_key_by_value(RANGES, value)
res = self.read_write(XYZ_DATA_CFG, XYZ_DATA_CFG_FS_MASK,
val) & XYZ_DATA_CFG_FS_MASK
# Always update range instance variable
self._range = RANGES.get(res)
return self._range
def fifo_mode(self, value=None):
"""
Setup FIFO buffer overflow mode.
"""
if value == None:
res = self.read(F_SETUP) & F_SETUP_MODE_MASK
else:
if value != FIFO_MODES[
FIFO_MODE_DISABLED] and self._fifo_mode != FIFO_MODES[
FIFO_MODE_DISABLED]:
raise Exception(
"Must be disabled first before changing to different mode")
val = dict_key_by_value(FIFO_MODES, value)
res = self.read_write(F_SETUP, F_SETUP_MODE_MASK,
val) & F_SETUP_MODE_MASK
# Always update FIFO mode instance variable
self._fifo_mode = FIFO_MODES.get(res)
return self._fifo_mode
