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Signed-off-by: Keith Packard <keithp@keithp.com>
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There's no reason to use 20.5kHz deviation at 2400 and 9600 baud, and
if we get a better receiver, we'll want to use narrower deviation to
have less bandwidth sucking noise into the radio. The new values are
(nominally) 5.125kHz deviation for 9600 baud and 1.5kHz deviation for
2400 baud.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This adjusts the cc1120 receive parameters to increase sensitivity at
the expense of reporting many more invalid packets to the UI.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This sets the deviation to 0, enables the preamble and turns on the
transmitter. It will sit there happily sending a bare carrier forever
Signed-off-by: Keith Packard <keithp@keithp.com>
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Open up the AGC to the full range.
Set the AGC ref based on our receive BW (100kHz).
Signed-off-by: Keith Packard <keithp@keithp.com>
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Integrate interleaving, CRC and padding within the decode/encode
functions.
Provide for ISR priorities so that the 1120 RX interrupt takes
precedence over the other interrupts or we risk losing bits.
Optimize the viterbi decoder a bit (goes from 10ms per packet to 7ms
per packet).
Signed-off-by: Keith Packard <keithp@keithp.com>
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RDF tones and radio calibration work now.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Still doesn't work, but this adds a ton more register definitions
Signed-off-by: Keith Packard <keithp@keithp.com>
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This does "something" in radio test mode, appearing to generate a
730MHz signal.
Signed-off-by: Keith Packard <keithp@keithp.com>
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