| Commit message (Collapse) | Author | Age |
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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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TeleGPS just wants full power, so remove the configuration option
Signed-off-by: Keith Packard <keithp@keithp.com>
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New compiler warning flags and moving to the nxp require a few minor
changes in the code to make it work.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This would prevent the cc115l driver from ever sending tones.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Unused varibles, functions and parameters.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Try to recover from TX_FIFO_UNDERFLOW by resetting the chip at idle
time.
Do a calibration phase during setup.
Program power to ramp up to limit key down noise.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Only needed for the CC115L_TRACE code, and it only builds on STM
Signed-off-by: Keith Packard <keithp@keithp.com>
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I finally found a bunch of references to APRS on the net and they all
appear to assume a 3kHz deviation. Let's see if this works better with
Yaesu radios.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Dunno if this matters, but it might as well be set reasonably
Signed-off-by: Keith Packard <keithp@keithp.com>
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Trying to get the radio to stop modulating the carrier when
calibrating the radio, we'll try RDF mode which says no preamble or
sync data. This might shift the frequency though?
Signed-off-by: Keith Packard <keithp@keithp.com>
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The SD card really doesn't like the RFI generated by our enormous
radio, so just lock the radio out while working with the card.
Signed-off-by: Keith Packard <keithp@keithp.com>
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now that it appears to work, leave these disabled by default
Signed-off-by: Keith Packard <keithp@keithp.com>
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This moves the locking up above the global state variable uses so that
multiple radio users (as if we had any) won't collide.
Signed-off-by: Keith Packard <keithp@keithp.com>
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two sync bytes for packet mode, disable sync for rdf/aprs mode.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This involved figuring out which GPIO signal would reliably indicate
that the transmitter was finished; I ended up using the PA_PD bit for
this.
This also converts all of the radio users to the long packet support
as the CC115L has only a 64-byte fifo, not large enough to hold either
an RDF tone or a regular AltOS telemetry packet.
This also renames the public API for sending APRS packets from
ao_radio_send_lots to ao_radio_send_aprs, which is at least more
accurate. The workings of that API haven't changed, just the name.
Signed-off-by: Keith Packard <keithp@keithp.com>
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These expose the raw cc115l and rfpa0133 register settings so that we
can calibrate them against measured power outputs.
I've tested them to verify that they change how much power the board
consumes, so they're clearly doing something...
Signed-off-by: Keith Packard <keithp@keithp.com>
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Still no data, but at least the carrier comes up on frequency now.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Includes support for sending telemetry, RDF and APRS tones
Signed-off-by: Keith Packard <keithp@keithp.com>
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