diff options
-rw-r--r-- | ROMFS/px4fmu_common/init.d/34_io_fx79 | 91 | ||||
-rw-r--r-- | ROMFS/px4fmu_common/init.d/rcS | 6 | ||||
-rwxr-xr-x | ROMFS/px4fmu_common/mixers/FMU_FX79.mix | 72 |
3 files changed, 169 insertions, 0 deletions
diff --git a/ROMFS/px4fmu_common/init.d/34_io_fx79 b/ROMFS/px4fmu_common/init.d/34_io_fx79 new file mode 100644 index 000000000..989204952 --- /dev/null +++ b/ROMFS/px4fmu_common/init.d/34_io_fx79 @@ -0,0 +1,91 @@ +#!nsh + +echo "[init] PX4FMU v1, v2 with or without IO on FX-79 Buffalo" + +# +# Load default params for this platform +# +if param compare SYS_AUTOCONFIG 1 +then + # Set all params here, then disable autoconfig + param set FW_AIRSPD_MAX 20 + param set FW_AIRSPD_TRIM 12 + param set FW_AIRSPD_MIN 15 + param set FW_L1_PERIOD 12 + param set FW_P_D 0 + param set FW_P_I 0 + param set FW_P_IMAX 15 + param set FW_P_LIM_MAX 50 + param set FW_P_LIM_MIN -50 + param set FW_P_P 60 + param set FW_P_RMAX_NEG 0 + param set FW_P_RMAX_POS 0 + param set FW_P_ROLLFF 1.1 + param set FW_R_D 0 + param set FW_R_I 5 + param set FW_R_IMAX 20 + param set FW_R_P 80 + param set FW_R_RMAX 100 + param set FW_THR_CRUISE 0.75 + param set FW_THR_MAX 1 + param set FW_THR_MIN 0 + param set FW_T_SINK_MAX 5.0 + param set FW_T_SINK_MIN 4.0 + param set FW_T_TIME_CONST 9 + param set FW_Y_ROLLFF 1.1 + param set RC_SCALE_ROLL 1.0 + param set RC_SCALE_PITCH 1.0 + + param set SYS_AUTOCONFIG 0 + param save +fi + +# +# Force some key parameters to sane values +# MAV_TYPE 1 = fixed wing +# +param set MAV_TYPE 1 + +set EXIT_ON_END no + +# +# Start and configure PX4IO or FMU interface +# +if px4io detect +then + # Start MAVLink (depends on orb) + mavlink start + + sh /etc/init.d/rc.io + # Limit to 100 Hz updates and (implicit) 50 Hz PWM + px4io limit 100 +else + # Start MAVLink (on UART1 / ttyS0) + mavlink start -d /dev/ttyS0 + + fmu mode_pwm + param set BAT_V_SCALING 0.004593 + set EXIT_ON_END yes +fi + +# +# Load mixer and start controllers (depends on px4io) +# +if [ -f /fs/microsd/etc/mixers/FMU_FX79.mix ] +then + echo "Using /fs/microsd/etc/mixers/FMU_FX79.mix" + mixer load /dev/pwm_output /fs/microsd/etc/mixers/FMU_FX79.mix +else + echo "Using /etc/mixers/FMU_FX79.mix" + mixer load /dev/pwm_output /etc/mixers/FMU_FX79.mix +fi + +# +# Start common fixedwing apps +# +sh /etc/init.d/rc.fixedwing + +if [ $EXIT_ON_END == yes ] +then + exit +fi diff --git a/ROMFS/px4fmu_common/init.d/rcS b/ROMFS/px4fmu_common/init.d/rcS index 0d814848c..e6a748f8f 100644 --- a/ROMFS/px4fmu_common/init.d/rcS +++ b/ROMFS/px4fmu_common/init.d/rcS @@ -327,6 +327,12 @@ then set MODE custom fi + if param compare SYS_AUTOSTART 34 + then + sh /etc/init.d/34_io_fx79 + set MODE custom + fi + if param compare SYS_AUTOSTART 40 then sh /etc/init.d/40_io_segway diff --git a/ROMFS/px4fmu_common/mixers/FMU_FX79.mix b/ROMFS/px4fmu_common/mixers/FMU_FX79.mix new file mode 100755 index 000000000..0a1dca98d --- /dev/null +++ b/ROMFS/px4fmu_common/mixers/FMU_FX79.mix @@ -0,0 +1,72 @@ +FX-79 Delta-wing mixer for PX4FMU +================================= + +Designed for FX-79. + +TODO (sjwilks): Add mixers for flaps. + +This file defines mixers suitable for controlling a delta wing aircraft using +PX4FMU. The configuration assumes the elevon servos are connected to PX4FMU +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 for roll inputs is adjusted to implement differential travel +for the elevons. + +M: 2 +O: 10000 10000 0 -10000 10000 +S: 0 0 5000 8000 0 -10000 10000 +S: 0 1 8000 8000 0 -10000 10000 + +M: 2 +O: 10000 10000 0 -10000 10000 +S: 0 0 8000 5000 0 -10000 10000 +S: 0 1 -8000 -8000 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 |