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Fixes issues #4, #6 #7

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Merged
merged 1 commit into from
Jul 15, 2019
Merged

Fixes issues #4, #6 #7

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6 changes: 3 additions & 3 deletions adafruit_si5351.py
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Original file line number Diff line number Diff line change
Expand Up @@ -211,7 +211,7 @@ def configure_fractional(self, multiplier, numerator, denominator):
susceptible to jitter but allows a larger range of PLL frequencies.
"""
assert 14 < multiplier < 91
assert 0 < denominator < 0xFFFFF # Prevent divide by zero.
assert 0 < denominator <= 0xFFFFF # Prevent divide by zero.
assert 0 <= numerator < 0xFFFFF
multiplier = int(multiplier)
numerator = int(numerator)
Expand Down Expand Up @@ -295,7 +295,7 @@ def r_divider(self):

@r_divider.setter
def r_divider(self, divider):
assert 0 <= divider <= 6
assert 0 <= divider <= 7
reg_value = self._si5351._read_u8(self._r)
reg_value &= 0x0F
divider &= 0x07
Expand Down Expand Up @@ -347,7 +347,7 @@ def configure_fractional(self, pll, divider, numerator, denominator):
accurate but has a wider range of output frequencies.
"""
assert 3 < divider < 901
assert 0 < denominator < 0xFFFFF # Prevent divide by zero.
assert 0 < denominator <= 0xFFFFF # Prevent divide by zero.
assert 0 <= numerator < 0xFFFFF
divider = int(divider)
numerator = int(numerator)
Expand Down