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Signed-off-by: Keith Packard <keithp@keithp.com>
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String and character constants are of char type, so using uint8_t causes
promotion to 16-bit types when comparing the two.
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Current config variables:
Main deploy altitude above launch (in meters)
Acceleration zero g calibration (manual or automatic)
Radio channel (freq = 435.550MHz + channel * 100kHz)
Callsign (max 8 characters)
Supporting this involved shuffling code around so that the
non-telemetrum builds could include only the stuff they needed.
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The dbg stuff needed a bit of help to actually walk the tables; it appears
that complex expressions confuse sdcc.
This also adds primitive teleterra bits, but no UI, etc.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Ok, way too big a patch, but things were in rough shape.
This patch adds support for the radio, both transmit and receive.
Then, because I could no longer run the TeleMetrum code on the TI
dongle, I ended up building a separate image for the TI board, which
involved creating a mechanism for having multiple command sets and splitting
code for different functions into different files.
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This parses the GPS GGA message and stores it in a global variable,
protected by a mutex.
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The T command shows the current wchan and PC for each task in the system.
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Signed-off-by: Keith Packard <keithp@keithp.com>
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GPS also pulled in serial support. The altitude tables take raw 11-bit
pressure sample numbers and convert them to standard pressure altitude
values.
Signed-off-by: Keith Packard <keithp@keithp.com>
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These pieces come from the old telemetrum firmware.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This involved adding dma control and a mutex implementation.
Signed-off-by: Keith Packard <keithp@keithp.com>
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