| Commit message (Collapse) | Author | Age |
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Counting from 0 to 100 takes 10.1ms, so count to 99 instead.
Signed-off-by: Keith Packard <keithp@keithp.com>
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ao_delay hasn't been chip-specific for a long time, and it had a bug
in not calling ao_clear_alarm.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This has each sensor mark a bit in the current data record which is
then sent for processing when all of the data are present.
Signed-off-by: Keith Packard <keithp@keithp.com>
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With this, a single task can wait for any button or quadrature input
device.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Necessary to fetch it when interrupts are already disabled as we can't
call ao_time then.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Integrate interleaving, CRC and padding within the decode/encode
functions.
Provide for ISR priorities so that the 1120 RX interrupt takes
precedence over the other interrupts or we risk losing bits.
Optimize the viterbi decoder a bit (goes from 10ms per packet to 7ms
per packet).
Signed-off-by: Keith Packard <keithp@keithp.com>
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For some weird reason, a non-unity perhipheral bus clock scaler
affects the base of the various timers; this left the 100Hz tick
running at 200Hz.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Clean all of the RCC configuration up after turning on the clocks.
Use the MSI clock during initialization to avoid messing around with
the HSI clock temporarily.
Allow for an external clock on the HSE line.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This moves all of the STM clock configuration into ao_pins.h so that
each product can configure it separately. While doing this, I
discovered that the flash memory mode (64-bit, prefetch, latency 1)
wasn't actually getting set, which is why the CPU refused to work at
32MHz.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This gets stm-demo working
Signed-off-by: Keith Packard <keithp@keithp.com>
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This runs AltOS and talks over the serial port.
Signed-off-by: Keith Packard <keithp@keithp.com>
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The stm-bringup doesn't run altos, it just initializes the device and
writes stuff over a serial port. Works on the STM32L Discovery board
at least, should do stuff on other boards too.
Signed-off-by: Keith Packard <keithp@keithp.com>
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