jepler/Adafruit_CircuitPython_ADS1x15
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update read for continuous

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This commit is contained in:
Carter Nelson 2020-06-24 22:30:34 +01:00
parent 0ecce36c22
commit 0153a80021
1 changed files with 9 additions and 1 deletions
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adafruit_ads1x15/ads1x15.py
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@ -31,6 +31,7 @@ CircuitPython base class driver for ADS1015/1115 ADCs.
__version__ = "0.0.0-auto.0"
__repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_ADS1x15.git"
import time
from micropython import const
from adafruit_bus_device.i2c_device import I2CDevice
@ -161,7 +162,10 @@ class ADS1x15:
if self.mode == Mode.CONTINUOUS and self._last_pin_read == pin:
return self._conversion_value(self.get_last_result(True))
self._last_pin_read = pin
config = _ADS1X15_CONFIG_OS_SINGLE
if self.mode == Mode.SINGLE:
config = _ADS1X15_CONFIG_OS_SINGLE
else:
config = 0
config |= (pin & 0x07) << _ADS1X15_CONFIG_MUX_OFFSET
config |= _ADS1X15_CONFIG_GAIN[self.gain]
config |= self.mode
@ -170,8 +174,12 @@ class ADS1x15:
self._write_register(_ADS1X15_POINTER_CONFIG, config)
if self.mode == Mode.SINGLE:
# poll conversion complete status bit
while not self._conversion_complete():
pass
else:
# just sleep (can't poll in continuous)
time.sleep(2 / self.data_rate)
return self._conversion_value(self.get_last_result(False))