| Commit message (Collapse) | Author | Age |
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Signed-off-by: Keith Packard <keithp@keithp.com>
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Now that we have a viable telemetry-signal based RDF device via TeleDongle,
there's no reason to continue to waste power and bandwidth with a NFM tone.
Signed-off-by: Keith Packard <keithp@keithp.com>
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These are the last two values relevant to figuring out the state of the
flight computer, and as they are computed by averaging 10 seconds of 100Hz
sample data, they're a lot more accurate than anything the receiver could do
on its own.
Signed-off-by: Keith Packard <keithp@keithp.com>
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These computed values reflect what the flight computer is actually refering
to for state changes, and will be useful in debugging the flight software as
well as provide a filtered view of the data.
Signed-off-by: Keith Packard <keithp@keithp.com>
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These ground loads want to monitor the radio constantly, and not require use
of the 'm' command before listening.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Blink the red LED at a rate proportional to the RSSI value.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Transmitting telemetry through the radio consumes a significant amount of
battery; reducing the rate to 1/sec will reduce power usage while waiting
for launch.
Signed-off-by: Keith Packard <keithp@keithp.com>
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The average accelerometer value cannot be extracted from the log as the
record starts after that is computed. As that drives much of the
accelerometer-based state transition logic, it is an important value to
have, so we log it as part of the flight start record now.
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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This now correctly sequences through the flight data collected from the
first TeleMetrum test flight.
This also completes up the flight algorithm test harness (ao_flight_test),
which runs the flight algorithm on the Linux host from a captured data log.
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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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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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This shrinks the application quite a bit, and should make it faster as well.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Various clean ups now that the basic code appears to work.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This offers a single CDC ACM device over USB.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Support our P2_0 connected buzzer, and formalize LED output support.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Sample A/D at the timer tick, placing data in a ring
of samples.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Use Timer 1 to generate a 100Hz timer interrupt
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