| Commit message (Collapse) | Author | Age |
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Signed-off-by: Keith Packard <keithp@keithp.com>
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If AltosDroid manages to connect to the BT module before we've
configured it, we won't be able to talk to it as we can't force the
module to ignore connection attempts. Wait for AltosDroid to give up
and let us configure the device. Eventually, we'll manage, if
AltosDroid's delay interval is longer than the time it takes to
configure the unit.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Having arbitrary alarms firing in the middle of complicated device
logic makes no sense at all. Therefore only correct use of ao_alarm
and ao_clear_alarm was around a specific ao_sleep call, with correct
recovery in case the alarm fires.
This patch replaces all uses of ao_alarm/ao_sleep/ao_clear_alarm with
ao_sleep_for, a new function which takes the alarm timeout directly.
A few cases which weren't simply calling ao_sleep have been reworked
to pass the timeout value down to the place where sleep *is* being
called, and having that code deal with the return correctly.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Adds an interactive debugging mode to help diagnose BTM issues.
Discovered that the serial reset pin on the BTM needs to be pulled low
for the device to work correctly.
Leave the bt link interrupt disabled until things are initialized.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Add support to the BTM driver for non-CC1111 interrupts
Add HW flow control to STM serial driver
Signed-off-by: Keith Packard <keithp@keithp.com>
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Signed-off-by: Keith Packard <keithp@keithp.com>
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getchar relies on interrupts being blocked across the pollchar calls
and into the sleep call or it may go to sleep with data pending.
This prefixes all pollchar functions with _ to indicate that they are
to be called with interrupts blocked and eliminates all interrupt
manipulation calls from within the pollchar functions.
Signed-off-by: Keith Packard <keithp@keithp.com>
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AO_READ_AGAIN doesn't fit in a char anymore now that stdio is 8-bit
clean, everyone using pollchar must use an 'int' variable to capture
the whole value from pollchar.
Signed-off-by: Keith Packard <keithp@keithp.com>
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sdcc offers __critical as a machine-independent way to block
interrupts, but as gcc doesn't, we need to use a compiler-independent
construct instead. ao_arch_critical has been around since the AVR
port, but some old __critical usages remained.
This fixes a bunch of random hangs when communicating with MM over USB
or the radio as the various stdio loops were running without
interrupts blocked between the test and the sleep.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Support multiple serial ports more cleanly
Split out parts of ao.h into separate feature header files
Signed-off-by: Keith Packard <keithp@keithp.com>
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This beeps out flight state changes and max altitude at landing, just
like the altimeter.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This code is useful whenever the BT stuff is acting up, so just leave
the source in place, turned off by default.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Split out sources into separate directories:
core: architecture and product independent bits
cc1111: cc1111-specific code
drivers: architecture independent drivers
product: product-specific sources and Makefile fragments
util: scripts for building stuff
This should have no effect on the built products, but testing is encouraged
Signed-off-by: Keith Packard <keithp@keithp.com>
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