| Commit message (Collapse) | Author | Age |
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Apply rounding once at the start of the computation, then truncate
after that.
Signed-off-by: Keith Packard <keithp@keithp.com>
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There's no configuration to take a callsign from...
Signed-off-by: Keith Packard <keithp@keithp.com>
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Instead of hard-coding my own call sign...
Signed-off-by: Keith Packard <keithp@keithp.com>
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This adds an arbitrary-length packet writing function to the radio
code.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Make all variables static, const-ify constants, change the public
name of the single entry point.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Signed-off-by: Keith Packard <keithp@keithp.com>
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Signed-off-by: Keith Packard <keithp@keithp.com>
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We're generating a lovely square wave, which appears to be decoded
just fine thankyouverymuch.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Signed-off-by: Keith Packard <keithp@keithp.com>
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Getting down to a reasonable amount of code.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Merge all of the data into a single printf call
Signed-off-by: Keith Packard <keithp@keithp.com>
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Any useful data will be sent over the digital link; APRS is strictly
for position tracking
Signed-off-by: Keith Packard <keithp@keithp.com>
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altos: Switch APRS to standard position reporting form
Stop using NMEA sentences for position
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Note that two of them are in NMEA form, which some receivers appear
not to parse
Signed-off-by: Keith Packard <keithp@keithp.com>
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This moves some test code out of ao_aprs.c and into ao_aprs_test.c,
and then adds Makefile fragments to compile and run the resulting
program, creating a wav file as output
Signed-off-by: Keith Packard <keithp@keithp.com>
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This generates a .wav file containing a single APRS packet. This has
been tested and appears to be successfully decoded by an APRS receiver.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Pico Beacon hooks a GPS to an AD9954 DDS radio chip with a PIC. It
directly synthesizes the necessary AX.25 packets to do APRS
reporting. We're going to appropriate the code for use in Mega Metrum
to (optionally) broadcast APRS packets.
http://ad7zj.net/kd7lmo/aprsbeacon_code.html
Signed-off-by: Keith Packard <keithp@keithp.com>
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