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12 Commits

Author SHA1 Message Date
Andrew Tridgell a7b9aff79f AP_Baro: the DerivativeFilter now handles duplicate data 
this saves a few bytes of memory
 2012-08-08 12:07:36 +10:00
Andrew Tridgell f501503eb0 AP_Baro: improved barometer averaging 
this changes the barometer calculations to floating point. On a MS5611
this is actually about twice as fast as the previous 64 bit
calculations, but gains us more accuracy as we are able to take
advantage of sub-bit precision when we average over 8 samples.
 2012-07-06 15:11:30 +10:00
Andrew Tridgell 209136386b AP_Baro: added get_pressure_samples() interface 
this returns how many samples were used to calculate the last pressure
 2012-07-05 16:29:21 +10:00
Andrew Tridgell 185c6e5b32 AP_Baro: change to a 7 point DerivativeFilter for climb rate 2012-07-05 13:00:47 +10:00
Andrew Tridgell f9fc7aafe7 AP_Baro: use DerivativeFilter in barometer climb rate 2012-07-05 13:00:46 +10:00
Andrew Tridgell 5bccfbd94c Barometer: fixed airstart for APM 
we need to re-load the ground pressure and temperature from eeprom on
and airstart
 2012-06-27 16:01:50 +10:00
Andrew Tridgell c387edd74c Baro: added get_altitude() and get_climb_rate() interfaces 
this allows the barometer driver to calibrate and return altitude and
climb rate values. This will be used by the AHRS drift correction code
for vertical velocity

The climb rate uses a 5 point average filter
 2012-06-27 16:01:50 +10:00
Andrew Tridgell 7ba744a11a I2C: convert barometer library to new I2C library 
this also adds a healthy attribute and error checking
 2011-12-28 20:41:53 +11:00
Pat Hickey d026e48032 AP_Baro : Add init( AP_PeriodicProcess * ) method to interface & implementations 
AP_Baro_MS5611 and AP_Baro_BMP085 implement the interface, with stubs only
 2011-12-11 15:21:10 -08:00
Pat Hickey d113992c10 AP_Baro: Create virtual interface 2011-12-11 15:21:09 -08:00
Pat Hickey cc6837cbab AP_Baro: Export AP_Baro_BMP085 and AP_Baro_BMP085_HIL headers. 2011-12-11 15:21:09 -08:00
Pat Hickey 9250053bfe Added AP_Baro and AP_Baro_MS5611 classes. 
Incomplete and does not work.
 2011-12-11 15:21:08 -08:00