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15 Commits

Author SHA1 Message Date
Andrew Tridgell c82caeeba1 HAL_AVR: configure analog inputs as INPUT without pullup 
not all pins were defaulting to this, which led to some strange
readings on some devices. First noticed by Andi on a LM335 temperature
sensor
 2013-06-01 12:19:02 +10:00
Randy Mackay ad00e0ee1e ACMotors: make test_order uint_8 2013-05-14 18:03:34 +09:00
Andrew Tridgell a5b20b4dfc AP_HAL: removed scaling factor on analog sources 
these are not use anymore, as voltage_average() is used instead
 2013-05-13 15:29:42 +10:00
Andrew Tridgell 589b8cdb58 AP_HAL: added voltage_average_ratiometric() call to AnalogIn 
this is for ratiometric sensors such as the 3DR airspeed sensor and
the Maxbotix analog sonar
 2013-05-13 15:12:43 +10:00
Andrew Tridgell 912ed2c97c HAL_AVR: initialise settle time 2013-05-03 09:45:19 +10:00
Andrew Tridgell e7a6b12ac1 HAL_AVR: support set_stop_pin() and set_settle_time() for analogin 
useful for dual sonar support
 2013-05-03 09:45:19 +10:00
Andrew Tridgell 5f1bd1a452 HAL_AVR: constrain Vcc used in voltage_average() 
this ensures a bad Vcc reading doesn't throw off analog inputs too
much
 2013-04-22 11:36:00 +10:00
Andrew Tridgell b1c27407a2 AP_HAL: added voltage_average() interface to AnalogIn 
returns voltage in Volts, using averaged reading over samples.

Where possible this should be auto-scaled against a known reference
voltage
 2013-03-03 16:16:01 +11:00
Andrew Tridgell 5b92c67286 HAL_AVR: fixed analog input with high channel numbers 2013-02-22 12:48:54 +11:00
Andrew Tridgell 551ff0c8b8 AP_HAL_AVR: prevent build of AVR code on non-AVR platforms 2012-12-20 14:51:40 +11:00
Pat Hickey 13f7bd1723 AP_HAL_AVR: AnalogIn supports read_average & read_latest 2012-12-20 14:51:34 +11:00
Pat Hickey 0b7a55b9f6 AP_HAL_AVR: AnalogIn hack to make vcc read work 
* needs improvment
 2012-12-20 14:51:32 +11:00
Pat Hickey 04d7b5ffe4 AP_HAL_AVR: implement changes to AnalogIn 2012-12-20 14:51:32 +11:00
Pat Hickey 0c3e59a307 AP_HAL_AVR: AnalogIn channels respect pins, obey NONE input, all common 
* there's no need for separate APM1/APM2 classes, so that was eliminated
* single class only has special member for vcc. all others created by
  channel interface.
 2012-12-20 14:51:30 +11:00
Pat Hickey 72f8667d9c AP_HAL_AVR: AnalogIn implemented 2012-12-20 14:51:23 +11:00