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@@ -233,6 +233,20 @@ class CC1101:
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exponent=mdmcfg4 >> 6, mantissa=(mdmcfg4 >> 4) & 0b11
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exponent=mdmcfg4 >> 6, mantissa=(mdmcfg4 >> 4) & 0b11
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)
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)
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+ def _set_filter_bandwidth(self, *, mantissa: int, exponent: int) -> None:
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+ """
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+ MDMCFG4.CHANBW_E & MDMCFG4.CHANBW_M
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+ """
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+ mdmcfg4 = self._read_single_byte(ConfigurationRegisterAddress.MDMCFG4)
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+ mdmcfg4 &= 0b00001111
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+ assert 0 <= exponent <= 0b11, exponent
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+ mdmcfg4 |= exponent << 6
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+ assert 0 <= mantissa <= 0b11, mantissa
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+ mdmcfg4 |= mantissa << 4
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+ self._write_burst(
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+ start_register=ConfigurationRegisterAddress.MDMCFG4, values=[mdmcfg4]
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+ )
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+
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def _get_symbol_rate_exponent(self) -> int:
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def _get_symbol_rate_exponent(self) -> int:
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"""
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"""
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MDMCFG4.DRATE_E
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MDMCFG4.DRATE_E
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