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* altos: 8051 64 * 16 multiply function was broken for negative 64-bitKeith Packard2014-05-08
| | | | | | It was jumping around the actual multiply when the 64-bit argument was negative. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Add configurable beep toneKeith Packard2014-05-02
| | | | | | | | | | This lets you directly set the mid-range beep tone; the high and low tones remain set off of that in the same ratio as before. Note that none of the cc1111 products get this feature as they don't have enough flash space anymore... Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Switch beeping to farnsworth spacingKeith Packard2014-04-12
| | | | | | | Use 17wpm/12wpm farnsworth spacing for the state reports. Leave the numeric reports running slowly as those require counting. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Report battery voltage instead of S at startupKeith Packard2014-04-05
| | | | | | | This works on everything with a beeper except TeleMetrum v1.0 which just doesn't have enough flash space for the code. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Rename 'core' to 'kernel'Keith Packard2014-04-05
core remains a bad name to use -- dirvish skips files (and directories, it seems) with that name. Signed-off-by: Keith Packard <keithp@keithp.com>