From 4bb07514c86d020bc2b16058e75de3074f89aa4b Mon Sep 17 00:00:00 2001 From: Lorenz Meier Date: Fri, 12 Dec 2014 23:22:21 +0100 Subject: Give Skywalker its own mixer --- ROMFS/px4fmu_common/init.d/2102_3dr_skywalker | 2 +- ROMFS/px4fmu_common/mixers/skywalker.mix | 64 +++++++++++++++++++++++++++ 2 files changed, 65 insertions(+), 1 deletion(-) create mode 100644 ROMFS/px4fmu_common/mixers/skywalker.mix (limited to 'ROMFS/px4fmu_common') diff --git a/ROMFS/px4fmu_common/init.d/2102_3dr_skywalker b/ROMFS/px4fmu_common/init.d/2102_3dr_skywalker index dcc5db824..906f4b1cc 100644 --- a/ROMFS/px4fmu_common/init.d/2102_3dr_skywalker +++ b/ROMFS/px4fmu_common/init.d/2102_3dr_skywalker @@ -2,4 +2,4 @@ sh /etc/init.d/rc.fw_defaults -set MIXER FMU_AERT \ No newline at end of file +set MIXER skywalker \ No newline at end of file diff --git a/ROMFS/px4fmu_common/mixers/skywalker.mix b/ROMFS/px4fmu_common/mixers/skywalker.mix new file mode 100644 index 000000000..04d677e56 --- /dev/null +++ b/ROMFS/px4fmu_common/mixers/skywalker.mix @@ -0,0 +1,64 @@ +Mixer for Skywalker Airframe +================================================== + +This file defines mixers suitable for controlling a fixed wing aircraft with +aileron, rudder, elevator and throttle controls using PX4FMU. The configuration +assumes the aileron servo(s) are connected to PX4FMU servo output 0, the +elevator to output 1, the rudder to output 2 and the throttle to output 3. + +Inputs to the mixer come from channel group 0 (vehicle attitude), channels 0 +(roll), 1 (pitch) and 3 (thrust). + +Aileron mixer +------------- +Two scalers total (output, roll). + +This mixer assumes that the aileron servos are set up correctly mechanically; +depending on the actual configuration it may be necessary to reverse the scaling +factors (to reverse the servo movement) and adjust the offset, scaling and +endpoints to suit. + +As there is only one output, if using two servos adjustments to compensate for +differences between the servos must be made mechanically. To obtain the correct +motion using a Y cable, the servos can be positioned reversed from one another. + +M: 1 +O: 10000 10000 0 -10000 10000 +S: 0 0 -10000 -10000 0 -10000 10000 + +Elevator mixer +------------ +Two scalers total (output, roll). + +This mixer assumes that the elevator servo is set up correctly mechanically; +depending on the actual configuration it may be necessary to reverse the scaling +factors (to reverse the servo movement) and adjust the offset, scaling and +endpoints to suit. + +M: 1 +O: 10000 10000 0 -10000 10000 +S: 0 1 10000 10000 0 -10000 10000 + +Rudder mixer +------------ +Two scalers total (output, yaw). + +This mixer assumes that the rudder servo is set up correctly mechanically; +depending on the actual configuration it may be necessary to reverse the scaling +factors (to reverse the servo movement) and adjust the offset, scaling and +endpoints to suit. + +M: 1 +O: 10000 10000 0 -10000 10000 +S: 0 2 10000 10000 0 -10000 10000 + +Motor speed mixer +----------------- +Two scalers total (output, thrust). + +This mixer generates a full-range output (-1 to 1) from an input in the (0 - 1) +range. Inputs below zero are treated as zero. + +M: 1 +O: 10000 10000 0 -10000 10000 +S: 0 3 0 20000 -10000 -10000 10000 -- cgit v1.2.3