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Signed-off-by: Keith Packard <keithp@keithp.com>
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Use delays while sending commands to BT module.
Don't use BT for stdio until the module is initialized.
Add \r to name setting command
Don't require 'connected' signal for command input.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Allow different connections to use different echo values, permitting
the packet link to turn off echo while the USB link still has it on.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This lets external code manipulate which connection to communicate
over.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Prototyping with a TeleMetrum v0.1 board and a serial link to a
bluetooth module.
Signed-off-by: Keith Packard <keithp@keithp.com>
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The flight code mashed together data processing, filtering and actual
flight managament into one giant pile. Split things up so that we
have:
ao_sample.c: Sensor data processing. Reads the ring, handles calibration
ao_kalman.c: Filter the data to track the accel/speed/height values
ao_flight.c: Flight state management, specific to rocketry.
The plan is to re-use ao_sample.c and ao_kalman.c for hardware not
specifically designed for rocketry, like TeleNano.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Oh, right SDCC has '__critical' to mark sections of code that need to
run with interrupts disabled; no need to use EA = 0 and EA = 1.
Signed-off-by: Keith Packard <keithp@keithp.com>
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With multiple input source support, there is a lag between asking a
device if it has data and then waiting for more data to appear. If an
interrupt signalling additional input arrives in this interval, we'll
go to sleep with input available.
This patch uses a big hammer by just disabling interrupts for the
whole process.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This creates per-product subdirectories and recompiles everything for
each product, allowing per-product compile-time changes for things
like peripheral pin assignments and attached serial devices.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This splits the packet code into master/slave halves and hooks the
slave side up to the getchar/putchar/flush logic in ao_stdio.c
Signed-off-by: Keith Packard <keithp@keithp.com>
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Signed-off-by: Keith Packard <keithp@keithp.com>
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