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author | Lorenz Meier <lm@inf.ethz.ch> | 2014-05-01 19:16:05 +0200 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2014-05-01 19:16:05 +0200 |
commit | 2343aad455aedfb64c22f1ed99820df23c5ac32b (patch) | |
tree | 1552b2f0a2c434648d975c7d35b7c3ebb6c0982b | |
parent | 7bbaa95eef8dcc33ec5ed7005ca25fb5cfbd1392 (diff) | |
download | px4-firmware-2343aad455aedfb64c22f1ed99820df23c5ac32b.tar.gz px4-firmware-2343aad455aedfb64c22f1ed99820df23c5ac32b.tar.bz2 px4-firmware-2343aad455aedfb64c22f1ed99820df23c5ac32b.zip |
Easystar mixer fix
-rw-r--r-- | ROMFS/px4fmu_common/init.d/2100_mpx_easystar | 2 | ||||
-rw-r--r-- | ROMFS/px4fmu_common/mixers/easystar.mix | 84 |
2 files changed, 85 insertions, 1 deletions
diff --git a/ROMFS/px4fmu_common/init.d/2100_mpx_easystar b/ROMFS/px4fmu_common/init.d/2100_mpx_easystar index 465a22c53..db0e40fc2 100644 --- a/ROMFS/px4fmu_common/init.d/2100_mpx_easystar +++ b/ROMFS/px4fmu_common/init.d/2100_mpx_easystar @@ -5,4 +5,4 @@ sh /etc/init.d/rc.fw_defaults -set MIXER FMU_RET +set MIXER easystar.mix diff --git a/ROMFS/px4fmu_common/mixers/easystar.mix b/ROMFS/px4fmu_common/mixers/easystar.mix new file mode 100644 index 000000000..610da567f --- /dev/null +++ b/ROMFS/px4fmu_common/mixers/easystar.mix @@ -0,0 +1,84 @@ +Aileron/rudder/elevator/throttle mixer for PX4FMU +================================================== + +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 + + +Gimbal / flaps / payload mixer for last four channels +----------------------------------------------------- + +M: 1 +O: 10000 10000 0 -10000 10000 +S: 0 4 10000 10000 0 -10000 10000 + +M: 1 +O: 10000 10000 0 -10000 10000 +S: 0 5 10000 10000 0 -10000 10000 + +M: 1 +O: 10000 10000 0 -10000 10000 +S: 0 6 10000 10000 0 -10000 10000 + +M: 1 +O: 10000 10000 0 -10000 10000 +S: 0 7 10000 10000 0 -10000 10000 |