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a4c1b0d75f
ardupilot/libraries
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Lucas De Marchi a4c1b0d75f AP_HAL_Linux: add constructor to find I2C bus reliably 
The device number in /dev may not be reliable from one boot to another
due to the initialization order of each bus.

For example, in Minnow Board Max, the exposed I2C buses may be i2c-7 and
i2c-8 or i2c-8 and i2c-9 depending if the platform driver in the kernel
is initialized before or after the PCI.

It also may change with different version and configuration of the DT or
UEFI used making another kernel driver to bind to the device. This means that
for Minnow Board Max we need to use something like below to pass to the
constructor:

	static const char * const i2c_devpaths[] = {
	    /* UEFI with lpss set to ACPI */
	    "/devices/platform/80860F41:05",
	    /* UEFI with lpss set to PCI */
	    "/devices/pci0000:00/0000:00:18.6",
	     NULL
	};

The devpath here is the one returned by udev with the following command:

	udevadm info -q path /dev/<i2c-device>

In contrary to the device number in /dev/i2c-N, this path in sysfs is
stable across reboots and can only change if there's a change in the
UEFI firmware or the board's device tree.

This patch assumes the currently supported boards don't have this
problem so it's not touching them.
2015-06-30 09:10:54 +10:00
..
AC_AttitudeControl AC_AttitudeControl: allow for tail pass-thru in ACRO mode 2015-06-26 12:45:38 +09:00
AC_Fence AC_Fence: revert AP_Math class change 2015-05-05 13:27:04 +10:00
AC_PID AC_PID: convert example from .pde to .cpp 2015-06-01 16:58:10 +10:00
AC_Sprayer AC_Sprayer: init flags 2015-06-08 14:46:35 +09:00
AC_WPNav AC_Circle: set only xy position targets 2015-06-27 15:43:49 +09:00
AP_ADC AP_ADC: convert example from .pde to .cpp 2015-06-01 16:58:10 +10:00
AP_ADC_AnalogSource AP_ADC_AnalogSource: avoid some float conversion warnings 2014-07-08 20:26:37 +10:00
AP_AHRS AP_AHRS: Add Linux support for example 2015-06-18 08:59:16 +10:00
AP_Airspeed AP_Airspeed: convert example from .pde to .cpp 2015-06-01 16:58:10 +10:00
AP_Arming AP_Arming: allow pre_arm_checks() to be subclassed 2015-06-04 13:26:39 +10:00
AP_Baro AP_Baro: convert example from .pde to .cpp 2015-06-01 16:58:10 +10:00
AP_BattMonitor AP_BattMonitor: Fix battery monitor Floating Point Exception in SITL 2015-06-29 16:42:52 +10:00
AP_BoardConfig AP_BoardConfig: added BRD_SBUS_OUT parameter 2015-02-11 18:35:34 +11:00
AP_Buffer AP_Buffer: change pop_front to return a bool if successful 2014-10-20 08:26:14 +11:00
AP_Camera AP_Camera: revert AP_Math class change 2015-05-05 13:27:06 +10:00
AP_Common AP_Common: override new and delete on all platforms to zero memory 2015-06-26 15:55:19 +10:00
AP_Compass AP_Compass: convert example from .pde to .cpp 2015-06-01 16:58:11 +10:00
AP_Curve Curve: fix compile warnings re float constants 2015-04-24 12:39:02 +09:00
AP_Declination AP_Declination: convert example from .pde to .cpp 2015-06-01 16:58:11 +10:00
AP_EPM EPM: add params for pwm levels add re-grab feature 2014-09-17 21:13:37 +09:00
AP_Frsky_Telem AP_Frsky_Telem: use functor macros 2015-05-26 13:46:53 +10:00
AP_GPS AP_GPS: Add support for logging ublox RXM-RAWX messages 2015-06-30 09:05:49 +10:00
AP_HAL AP_HAL: added get_shell_stream() 2015-06-17 17:04:15 +10:00
AP_HAL_AVR AP_HAL: use noreturn attribute on panic 2015-06-08 21:09:08 +10:00
AP_HAL_Empty AP_HAL: use noreturn attribute on panic 2015-06-08 21:09:08 +10:00
AP_HAL_FLYMAPLE AP_HAL: use noreturn attribute on panic 2015-06-08 21:09:08 +10:00
AP_HAL_Linux AP_HAL_Linux: add constructor to find I2C bus reliably 2015-06-30 09:10:54 +10:00
AP_HAL_PX4 HAL_PX4: added implementation of NSH shell stream 2015-06-17 20:30:09 +10:00
AP_HAL_SITL HAL_SITL: use SITL_NUM_CHANNELS 2015-06-30 08:55:02 +10:00
AP_HAL_VRBRAIN AP_HAL: use noreturn attribute on panic 2015-06-08 21:09:08 +10:00
AP_InertialNav AP_InertialNav: get_hgt_ctrl_limit only modifies limit on success 2015-04-24 10:58:00 +09:00
AP_InertialSensor AP_InertialSensor: make single rotation on MPU9250 2015-06-22 17:45:20 +10:00
AP_L1_Control AP_L1_Control: fixed uTurn-wobble 2015-04-08 15:21:02 -07:00
AP_LandingGear LandingGear: command_mode becomes enum 2015-01-07 11:58:22 +09:00
AP_Limits AP_Limits: convert to using StorageManager 2014-08-13 18:46:43 +10:00
AP_Math AP_Math: removed unused include in example 2015-06-01 17:35:03 +10:00
AP_Menu AP_Menu: remove unused AP_Vehicle.h include 2015-06-01 17:34:48 +10:00
AP_Mission AP_Mission: ensure cache coherence on mission resume 2015-06-25 10:21:06 +10:00
AP_Motors AP_Motors: move constraints to set_throttle 2015-06-22 13:52:59 +09:00
AP_Mount AP_Mount: Fixed a bug with wrapping of panning angles. 2015-06-22 09:32:26 +09:00
AP_NavEKF NavEKF: update parameter descriptions 2015-06-24 16:25:14 +09:00
AP_Navigation AP_Navigation: added a turn_distance() method with turn_angle 2014-06-05 09:33:42 +10:00
AP_Notify AP_Notify: rename member to initialized 2015-06-10 16:39:01 +10:00
AP_OpticalFlow OpticalFlow: init _last_update_ms member 2015-06-08 14:46:11 +09:00
AP_Parachute AP_Parachute: convert example from .pde to .cpp 2015-06-01 17:07:06 +10:00
AP_Param AP_Param: fixed build of eedump_apparam 2015-06-03 11:46:00 +10:00
AP_PerfMon AP_PerfMon: convert example from .pde to .cpp 2015-06-01 17:07:09 +10:00
AP_Progmem AP_Progmem: simpler PROGMEM header 2015-05-21 07:48:46 +10:00
AP_Rally Rally: fix compile warnings re float constants 2015-04-24 14:04:08 +09:00
AP_RangeFinder AP_RangeFinder: update for upstream merge 2015-06-09 19:44:20 +10:00
AP_RCMapper RCMap: added RebootRequired param description 2015-05-28 19:32:38 +09:00
AP_Relay AP_Relay: fix for HAL_SITL rename 2015-05-05 09:45:56 +10:00
AP_Scheduler AP_Scheduler: stop using alias FUNCTOR_BIND_VOID 2015-06-04 13:37:40 +09:00
AP_SerialManager SerialManager: add SToRM32 to protocol param description 2015-06-27 11:18:17 +09:00
AP_ServoRelayEvents ServoRelayEvents: init members to resolve compiler warning 2014-08-14 11:27:35 +09:00
AP_SpdHgtControl AP_SpdHgtControl: added get_land_sinkrate() 2014-12-15 21:51:07 +11:00
AP_TECS AP_TECS: use 64-bit timestamps for dataflash logs 2015-05-27 11:54:16 +10:00
AP_Terrain Terrain: cast grid_spacing to fix OSX clang error 2015-06-04 21:01:34 +09:00
AP_Vehicle AP_Vehicle: all vehicles now use functors 2015-06-01 15:18:32 +10:00
APM_Control APM_Control: Remove duplicate include statements 2015-06-25 10:23:47 +10:00
APM_OBC APM_OBC: added heartbeat() method 2014-09-24 12:02:38 +10:00
APM_PI APM_PI: fix compile warnings re float constants 2015-04-24 12:24:02 +09:00
DataFlash DataFlash: Add RXM-RAWX logging messages 2015-06-30 09:05:48 +10:00
doc Checking these in makes the libraries too bulky. We need to host them somewhere. 2011-01-04 06:22:02 +00:00
Filter LowPassFilter: add get method 2015-06-12 21:36:24 +09:00
GCS_Console GCS_Console: convert example from .pde to .cpp 2015-06-01 17:07:07 +10:00
GCS_MAVLink GCS_MAVLink: support NSH shell with SERIAL_CONTROL 2015-06-17 20:30:10 +10:00
PID PID: convert example from .pde to .cpp 2015-06-01 17:07:08 +10:00
RC_Channel RC_Channel: update_aux_servo_function made public 2015-06-10 16:47:06 +09:00
SITL SITL: define number of RC out channels 2015-06-30 08:54:46 +10:00
StorageManager StorageManager: fixed hang in erase() 2015-06-20 15:00:57 +10:00