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PCF8523: Add additional registers #19

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Merged
merged 6 commits into from
Jul 20, 2020
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PCF8523: Add additional registers #19

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PCF8523: Add additional registers
jepler Jul 16, 2020
539ad11
run black
jepler Jul 16, 2020
560cb82
pylint
jepler Jul 16, 2020
a9acb63
Update adafruit_pcf8523.py
jepler Jul 19, 2020
ccfbf8c
improvements based on review
jepler Jul 19, 2020
31e6648
shorten property name per pylint
jepler Jul 19, 2020
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12 changes: 12 additions & 0 deletions adafruit_pcf8523.py
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Original file line number Diff line number Diff line change
Expand Up @@ -101,6 +101,18 @@ class PCF8523:
battery_low = i2c_bit.ROBit(0x02, 2)
"""True if the battery is low and should be replaced."""

high_capacitance = i2c_bit.RWBit(0x00, 7)
"""True for high oscillator capacitance (12.5pF), otherwise lower (7pF)"""

calibration_schedule_per_minute = i2c_bit.RWBit(0x0E, 7)
"""False to apply the calibration offset every 2 hours (1 LSB = 4.340ppm);
True to offset every minute (1 LSB = 4.069ppm). The default, False,
consumes less power. See datasheet figures 28-31 for details."""

calibration = i2c_bits.RWBits(7, 0xE, 0, signed=True)
"""Calibration offset to apply, from -64 to +63. See the PCF8523 datasheet
figure 18 for the offset calibration calculation workflow."""

def __init__(self, i2c_bus):
self.i2c_device = I2CDevice(i2c_bus, 0x68)

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