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* altos: Add load-slow target for MicroPeakKeith Packard2012-12-12
| | | | | | | This sets the programming clock to 1/4 of the 250kHz clock used by the MicroPeak firmware, allowing the device to be reprogrammed. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Tim Van Milligan suggestion for µP -- delay before showing last flightKeith Packard2012-12-11
| | | | | | This gives the user time to move their finger out of the way of the LED. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Increase MicroPeak blink times a bitKeith Packard2012-12-11
| | | | | | | make the 0 longer (1 sec now), and make the time between digits longer (also 1 sec now) Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Use alt_t value to hold displayed height in micropeakmicropeak-build-2012-12-09Keith Packard2012-12-09
| | | | | | | Heights are 32 bits (to get .1 meter resolution) in micropeak; make sure we have enough bits while blinking out the computed value. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Make sure pa to altitude conversion is done with 32 bitsKeith Packard2012-12-09
| | | | | | | We need 32 bits to hold intermediate values, even if the final altitude is reported in only 16 bits. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Store altitude in 32-bits for MicroPeakKeith Packard2012-12-09
| | | | | | Needs all 32 bits to store .1 meter resolution Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Slow down micropeak report timingKeith Packard2012-11-18
| | | | | | This makes reading the LED a lot easier. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: micropeak LED is orange now, not blueKeith Packard2012-11-18
| | | | | | Change the names around to match Signed-off-by: Keith Packard <keithp@keithp.com>
* altos/micropeak: Run MS5607 at max resolution for micropeakKeith Packard2012-10-30
| | | | | | We've got lots of time, so get the highest resolution baro data available. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos/micropeak: Clock micropeak at 250kHz to save powerKeith Packard2012-10-30
| | | | | | | | | | This reduces average current consumption from 2mA to .4mA. This makes the battery last longer, but also gets the current under something that the typical CR1025 battery can support. Would be nice to reduce current even further; cheap CR1025 batteries still seem to fade a bit at this current level. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos/micropeak: Set boost detect to 10m. Add 30s boost delay.Keith Packard2012-10-29
| | | | | | | | | | | Wait for 30 seconds before even starting look for boost. This provides an opportunity to close up the airframe, potentially causing pressure gradients seen by the baro sensor. Also, require a 10m vertical motion before triggering boost. This should limit accidental boost detect while capturing any actual flights. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos/micropeak: Switch to MS5607 sensor. Require 4m for boost. Elide dead codeKeith Packard2012-10-29
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Add .gitignore for micropeakKeith Packard2012-10-12
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Add initial micropeak implementationKeith Packard2012-10-12
Blinks out max height in decimeters, stores previous flight data to internal eeprom. Signed-off-by: Keith Packard <keithp@keithp.com>
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