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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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Signed-off-by: Keith Packard <keithp@keithp.com>
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This removes the packet quality test and carrier sense tests when
deciding whether to start decoding a packet. This lets more bad
packets through, but the CRC check catches those and now we're
regularly receiving packets down to -110 or even -112 dBm. Before this
change, we'd rarely see packets as low as -105dBm
Signed-off-by: Keith Packard <keithp@keithp.com>
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Reading the status byte doesn't provide very useful RSSI info
Signed-off-by: Keith Packard <keithp@keithp.com>
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We usually work in RF quiet areas; let the AGC hardware try all of the
available gain settings.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Instead of dragging around the weird CC1111 RSSI values, just compute
a dBm value in a signed 8-bit integer, ao_radio_rssi. Use that
everywhere we need RSSI internally. We leave the weird CC1111 value in
the packet reply as that's what the host expects.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Instead of using ao_alarm around calls to ao_radio_recv, provide an
explicit timeout value as needed by radio functions with more
complicated system interaction than the cc1111. The timeout is 8 bits
of clock ticks.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Move api to ao_radio_cmac.h include file.
Expose ao_radio_test as standard API.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Ensures that the radio testing won't block waiting for a firing mode
packet to arrive.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This is especially useful for telemini which has no beeper, allowing
you to hear the continuity signal while at the pad over the air.
Signed-off-by: Keith Packard <keithp@keithp.com>
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No need to publish these; they're all private to cc1111
Signed-off-by: Keith Packard <keithp@keithp.com>
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Remove radio channel support too.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Record separate internal vs external monitoring state, allowing
both to happen at the same time, and when either is turned off, the
other keeps working.
This also adds disable/enable so that other radio users can
temporarily take over the radio; monitoring will resume when the other
radio user is finished.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Instead of computing the RDF packet len at run time, which takes a
pile of code space.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Split out sources into separate directories:
core: architecture and product independent bits
cc1111: cc1111-specific code
drivers: architecture independent drivers
product: product-specific sources and Makefile fragments
util: scripts for building stuff
This should have no effect on the built products, but testing is encouraged
Signed-off-by: Keith Packard <keithp@keithp.com>
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