From 83652794c7709ee8058587a99e81826d4959ed49 Mon Sep 17 00:00:00 2001 From: Simon Wilks Date: Tue, 15 Jul 2014 00:06:24 +0200 Subject: Add a mixer for the Phantom so it can be uniquely adjusted for this airframe. --- ROMFS/px4fmu_common/init.d/3031_phantom | 2 +- ROMFS/px4fmu_common/mixers/phantom.mix | 69 +++++++++++++++++++++++++++++++++ 2 files changed, 70 insertions(+), 1 deletion(-) create mode 100644 ROMFS/px4fmu_common/mixers/phantom.mix (limited to 'ROMFS') diff --git a/ROMFS/px4fmu_common/init.d/3031_phantom b/ROMFS/px4fmu_common/init.d/3031_phantom index d05c3174f..654b0bdab 100644 --- a/ROMFS/px4fmu_common/init.d/3031_phantom +++ b/ROMFS/px4fmu_common/init.d/3031_phantom @@ -36,7 +36,7 @@ then param set FW_T_TIME_CONST 5 fi -set MIXER FMU_Q +set MIXER phantom # Provide ESC a constant 1000 us pulse set PWM_OUTPUTS 4 diff --git a/ROMFS/px4fmu_common/mixers/phantom.mix b/ROMFS/px4fmu_common/mixers/phantom.mix new file mode 100644 index 000000000..7fe6dc055 --- /dev/null +++ b/ROMFS/px4fmu_common/mixers/phantom.mix @@ -0,0 +1,69 @@ +Delta-wing mixer for PX4FMU +=========================== + +Designed for the Phantom FX-61 + +This file defines mixers suitable for controlling a delta wing aircraft using +PX4/Pixhawk. The configuration assumes the elevon servos are connected to +servo outputs 0 and 1 and the motor speed control to output 3. Output 2 is +assumed to be unused. + +Inputs to the mixer come from channel group 0 (vehicle attitude), channels 0 +(roll), 1 (pitch) and 3 (thrust). + +See the README for more information on the scaler format. + +Elevon mixers +------------- +Three scalers total (output, roll, pitch). + +On the assumption that the two elevon servos are physically reversed, the pitch +input is inverted between the two servos. + +The scaling factor are set so that pitch will have more travel than roll. + +M: 2 +O: 10000 10000 0 -10000 10000 +S: 0 0 -6000 -6000 0 -10000 10000 +S: 0 1 6500 6500 0 -10000 10000 + +M: 2 +O: 10000 10000 0 -10000 10000 +S: 0 0 -6000 -6000 0 -10000 10000 +S: 0 1 -6500 -6500 0 -10000 10000 + +Output 2 +-------- +This mixer is empty. + +Z: + +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 -- cgit v1.2.3