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X racer F303 V3.1 how to do 8K/8K?
#1
I currently have the X Racer F303 V3.1 with Betaflight 3.0.0 RC4 and I am not able to run 8K/8K on it. 8K gyro update and 4K PID looptime works fine with a CPU load of about 19% but 8K/8K brings the CPU load to over 100%. 
Is there anyone that runs this FC with 8K/8K? if so, maybe you could provide me with a betaflight dump so I can compare with my setup?
#2
I fly 3.0 xracer and I think I've set 8k/8k synced - I'll have to double check that as I was in a hurry. But I run 3.0 firmware posted by the manufacturer before 3.0 RC1 actually appeared on github. Are you interested?
Find me on Youtube and Instagram. I currently fly: NOX5, NOX5RAirblade Assault 130 and drive a scrap RC car
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#3
Thank you, that would be really nice if you could post a CLI dump here. Take your time, I'm not in a hurry. I just got to test the quad yesterday and I'm not sure if it is Betaflight 3 or the FC, but on stock PIDs I have never flown such a locked in quad! It felt almost unatural how fast it stopped when rolling and flipping and not the normal overshooting and small oscillations I am used to
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#4
I'll dump my settings today evening.

My quad actually behaves badly on heavy props, I was able to tune it out on triblades gemfan 5040 (great prop btw, pity they break that easy). I had to fiddle with filters a bit though as my cobras took their share of hits - or maybe they are just too weak for triblade HBN ;p

As to a super tune out of the box - I think Boris is to blame Wink. My backup quad flies like a dream on old naze32 rev5, perfect machine, absolutely no bounceback, almost no propwash, I could probably tune it up a bit, but it already flies so well I don't really want to change anything!

But I have just one question - if it flies so well, why do you want to go 8/8?
Find me on Youtube and Instagram. I currently fly: NOX5, NOX5RAirblade Assault 130 and drive a scrap RC car
[-] The following 1 user Likes KonradS's post:
  • Oscar
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#5
(08-10-2016, 11:43 AM)Konrad Stepanajtys Wrote: But I have just one question - if it flies so well, why do you want to go 8/8?

Because I can  Tongue
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#6
Haha, I always give the same answer to my friend when he asks stupid questions Big Grin

Here's my dump, as I said that's hex file downloaded from fpvmodel, not BF repo

Code:
# status
System Uptime: 7 seconds, Voltage: 0 * 0.1V (1S battery - NOT PRESENT), CPU:27%
CPU Clock=72MHz, GYRO=MPU6000
Cycle Time: 129, I2C Errors: 1, config size: 1296

# dump /all

# version
# BetaFlight/X_RACERSPI 3.0.0 Jul  8 2016 / 10:11:06 (c1af7ab)
# dump master

# mixer
mixer QUADX
mmix reset
smix reset


# feature
feature -RX_PPM
feature -VBAT
feature -INFLIGHT_ACC_CAL
feature -RX_SERIAL
feature -MOTOR_STOP
feature -SERVO_TILT
feature -SOFTSERIAL
feature -GPS
feature -FAILSAFE
feature -SONAR
feature -TELEMETRY
feature -CURRENT_METER
feature -3D
feature -RX_PARALLEL_PWM
feature -RX_MSP
feature -RSSI_ADC
feature -LED_STRIP
feature -DISPLAY
feature -ONESHOT125
feature -BLACKBOX
feature -CHANNEL_FORWARDING
feature -TRANSPONDER
feature -AIRMODE
feature -SUPEREXPO_RATES
feature -OSD
feature VBAT
feature RX_SERIAL
feature FAILSAFE
feature BLACKBOX
feature AIRMODE
feature SUPEREXPO_RATES


# beeper
beeper GYRO_CALIBRATED
beeper RX_LOST
beeper RX_LOST_LANDING
beeper DISARMING
beeper ARMING
beeper ARMING_GPS_FIX
beeper BAT_CRIT_LOW
beeper BAT_LOW
beeper GPS_STATUS
beeper RX_SET
beeper ACC_CALIBRATION
beeper ACC_CALIBRATION_FAIL
beeper READY_BEEP
beeper MULTI_BEEPS
beeper DISARM_REPEAT
beeper ARMED
beeper SYSTEM_INIT
beeper ON_USB


# map
map AETR1234


# serial
serial 0 1 115200 57600 0 115200
serial 1 1 115200 57600 0 115200
serial 2 64 115200 57600 0 115200


# led
led 0 15,15:ES:IA:0
led 1 15,8:E:WF:0
led 2 15,7:E:WF:0
led 3 15,0:NE:IA:0
led 4 8,0:N:F:0
led 5 7,0:N:F:0
led 6 0,0:NW:IA:0
led 7 0,7:W:WF:0
led 8 0,8:W:WF:0
led 9 0,15:SW:IA:0
led 10 7,15:S:WF:0
led 11 8,15:S:WF:0
led 12 7,7:U:WF:0
led 13 8,7:U:WF:0
led 14 7,8:D:WF:0
led 15 8,8:D:WF:0
led 16 8,9::R:3
led 17 9,10::R:3
led 18 10,11::R:3
led 19 10,12::R:3
led 20 9,13::R:3
led 21 8,14::R:3
led 22 7,14::R:3
led 23 6,13::R:3
led 24 5,12::R:3
led 25 5,11::R:3
led 26 6,10::R:3
led 27 7,9::R:3
led 28 0,0:::0
led 29 0,0:::0
led 30 0,0:::0
led 31 0,0:::0


# color
color 0 0,0,0
color 1 0,255,255
color 2 0,0,255
color 3 30,0,255
color 4 60,0,255
color 5 90,0,255
color 6 120,0,255
color 7 150,0,255
color 8 180,0,255
color 9 210,0,255
color 10 240,0,255
color 11 270,0,255
color 12 300,0,255
color 13 330,0,255
color 14 0,0,0
color 15 0,0,0

# aux
aux 0 0 0 1275 2100
aux 1 12 1 1600 2100
aux 2 25 0 1700 2100
aux 3 0 0 900 900
aux 4 0 0 900 900
aux 5 0 0 900 900
aux 6 0 0 900 900
aux 7 0 0 900 900
aux 8 0 0 900 900
aux 9 0 0 900 900
aux 10 0 0 900 900
aux 11 0 0 900 900
aux 12 0 0 900 900
aux 13 0 0 900 900
aux 14 0 0 900 900
aux 15 0 0 900 900
aux 16 0 0 900 900
aux 17 0 0 900 900
aux 18 0 0 900 900
aux 19 0 0 900 900

# adjrange
adjrange 0 0 0 900 900 0 0
adjrange 1 0 0 900 900 0 0
adjrange 2 0 0 900 900 0 0
adjrange 3 0 0 900 900 0 0
adjrange 4 0 0 900 900 0 0
adjrange 5 0 0 900 900 0 0
adjrange 6 0 0 900 900 0 0
adjrange 7 0 0 900 900 0 0
adjrange 8 0 0 900 900 0 0
adjrange 9 0 0 900 900 0 0
adjrange 10 0 0 900 900 0 0
adjrange 11 0 0 900 900 0 0
adjrange 12 0 0 900 900 0 0
adjrange 13 0 0 900 900 0 0
adjrange 14 0 0 900 900 0 0

# rxrange
rxrange 0 1000 2000
rxrange 1 1000 2000
rxrange 2 1000 2000
rxrange 3 1000 2000

# servo
servo 0 1000 2000 1500 90 90 100 -1
servo 1 1000 2000 1500 90 90 100 -1
servo 2 1000 2000 1500 90 90 100 -1
servo 3 1000 2000 1500 90 90 100 -1
servo 4 1000 2000 1500 90 90 100 -1
servo 5 1000 2000 1500 90 90 100 -1
servo 6 1000 2000 1500 90 90 100 -1
servo 7 1000 2000 1500 90 90 100 -1

set mid_rc = 1500
set min_check = 1010
set max_check = 1900
set rssi_channel = 0
set rssi_scale = 30
set rc_smooth_interval_ms = 0
set rssi_ppm_invert = OFF
set input_filtering_mode = OFF
set roll_yaw_cam_mix_degrees = 0
set max_aux_channels = 6
set debug_mode = NONE
set min_throttle = 1050
set max_throttle = 2000
set min_command = 960
set anti_desync_power_step = 0
set servo_center_pulse = 1500
set 3d_deadband_low = 1406
set 3d_deadband_high = 1514
set 3d_neutral = 1460
set 3d_deadband_throttle = 960
set use_unsynced_pwm = OFF
set motor_pwm_protocol = MULTISHOT
set motor_pwm_rate = 400
set servo_pwm_rate = 50
set disarm_kill_switch = ON
set gyro_cal_on_first_arm = OFF
set auto_disarm_delay = 5
set small_angle = 25
set fixedwing_althold_dir = 1
set reboot_character = 82
set gps_provider = NMEA
set gps_sbas_mode = AUTO
set gps_auto_config = ON
set gps_auto_baud = OFF
set gps_wp_radius = 200
set nav_controls_heading = ON
set nav_speed_min = 100
set nav_speed_max = 300
set nav_slew_rate = 30
set serialrx_provider = IBUS
set sbus_inversion = ON
set spektrum_sat_bind = 0
set spektrum_sat_bind_autoreset = 1
set telemetry_switch = OFF
set telemetry_inversion = ON
set frsky_default_lattitude =  0.000
set frsky_default_longitude =  0.000
set frsky_coordinates_format = 0
set frsky_unit = IMPERIAL
set frsky_vfas_precision = 0
set frsky_vfas_cell_voltage = OFF
set hott_alarm_sound_interval = 5
set battery_capacity = 0
set vbat_scale = 110
set vbat_max_cell_voltage = 43
set vbat_min_cell_voltage = 33
set vbat_warning_cell_voltage = 35
set vbat_hysteresis = 1
set vbat_pid_compensation = OFF
set current_meter_scale = 400
set current_meter_offset = 0
set multiwii_current_meter_output = OFF
set current_meter_type = ADC
set align_gyro = DEFAULT
set align_acc = DEFAULT
set align_mag = DEFAULT
set align_board_roll = 0
set align_board_pitch = 0
set align_board_yaw = 0
set max_angle_inclination = 700
set gyro_lpf = OFF
set gyro_sync_denom = 1
set gyro_lowpass = 80
set moron_threshold = 32
set imu_dcm_kp = 2500
set imu_dcm_ki = 0
set alt_hold_deadband = 40
set alt_hold_fast_change = ON
set deadband = 0
set yaw_deadband = 0
set throttle_correction_value = 0
set throttle_correction_angle = 800
set yaw_control_direction = 1
set yaw_motor_direction = 1
set tri_unarmed_servo = ON
set servo_lowpass_freq = 400
set servo_lowpass_enable = OFF
set airmode_activate_throttle = 1350
set failsafe_delay = 10
set failsafe_off_delay = 10
set failsafe_throttle = 1000
set failsafe_kill_switch = OFF
set failsafe_throttle_low_delay = 100
set failsafe_procedure = ON
set rx_min_usec = 885
set rx_max_usec = 2115
set gimbal_mode = NORMAL
set acc_hardware = NONE
set acc_lpf_hz =  10.000
set accxy_deadband = 40
set accz_deadband = 40
set acc_unarmedcal = ON
set acc_trim_pitch = 0
set acc_trim_roll = 0
set baro_tab_size = 21
set baro_noise_lpf =  0.600
set baro_cf_vel =  0.985
set baro_cf_alt =  0.965
set baro_hardware = NONE
set mag_hardware = NONE
set mag_declination = 0
set pid_process_denom = 1
set blackbox_rate_num = 1
set blackbox_rate_denom = 1
set blackbox_device = SPIFLASH
set magzero_x = 0
set magzero_y = 0
set magzero_z = 0
set ledstrip_visual_beeper = OFF

# rxfail
rxfail 0 a
rxfail 1 a
rxfail 2 a
rxfail 3 a
rxfail 4 h
rxfail 5 h
rxfail 6 h
rxfail 7 h
rxfail 8 h
rxfail 9 h
rxfail 10 h
rxfail 11 h
rxfail 12 h
rxfail 13 h
rxfail 14 h
rxfail 15 h
rxfail 16 h
rxfail 17 h

# profile
profile 0
############################# PROFILE VALUES ####################################

set gps_pos_p = 15
set gps_pos_i = 0
set gps_pos_d = 0
set gps_posr_p = 34
set gps_posr_i = 14
set gps_posr_d = 53
set gps_nav_p = 25
set gps_nav_i = 33
set gps_nav_d = 83
set pid_delta_method = MEASUREMENT
set yaw_p_limit = 500
set dterm_lowpass = 100
set dynamic_iterm = ON
set iterm_ignore_threshold = 180
set yaw_iterm_ignore_threshold = 35
set yaw_lowpass = 80
set pid_controller = FLOAT
set p_pitch = 58
set i_pitch = 42
set d_pitch = 20
set p_roll = 49
set i_roll = 40
set d_roll = 17
set p_yaw = 100
set i_yaw = 39
set d_yaw = 20
set p_alt = 50
set i_alt = 0
set d_alt = 0
set p_level = 50
set i_level = 50
set d_level = 100
set p_vel = 55
set i_vel = 55
set d_vel = 75
rateprofile 0

# rateprofile
rateprofile 0

set rc_rate = 100
set rc_rate_yaw = 100
set rc_expo = 10
set rc_yaw_expo = 10
set thr_mid = 50
set thr_expo = 0
set roll_rate = 80
set pitch_rate = 80
set yaw_rate = 80
set tpa_rate = 20
set tpa_breakpoint = 1650

#
Find me on Youtube and Instagram. I currently fly: NOX5, NOX5RAirblade Assault 130 and drive a scrap RC car
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#7
Thanks Konrad. I did a compare, but could not find any major differences. I did an update to RC7, and now I am able to run 8k/8k. The changelog also tells something about this on the releases after rc3, so I guess it was just a bug or non optimised code
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#8
8k/8k with accelerometer brings the CPU load to 80-90%. Is this ok?
My quad: 
RD-210 / ZMX V3 2206 2140kv / Aikon SEFM 30A / X-Racer F303 V3 / X4R-SB / Dronelab 1500 4S 50C
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#9
(08-15-2016, 10:58 PM)oyvinla Wrote: Thanks Konrad. I did a compare, but could not find any major differences. I did an update to RC7, and now I am able to run 8k/8k. The changelog also tells something about this on the releases after rc3, so I guess it was just a bug or non optimised code

Good to know you found the issue.

(08-17-2016, 01:12 AM)Luc Wrote: 8k/8k with accelerometer brings the CPU load to 80-90%. Is this ok?

that's 80-90% when it's idle, this is not safe. It should be below 40%. Try 4k/4k - you won't notice the difference in level modes and only marginal difference in acro.
Find me on Youtube and Instagram. I currently fly: NOX5, NOX5RAirblade Assault 130 and drive a scrap RC car
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#10
(08-15-2016, 10:58 PM)oyvinla Wrote: Thanks Konrad. I did a compare, but could not find any major differences. I did an update to RC7, and now I am able to run 8k/8k. The changelog  also tells something about this on the releases after rc3, so I guess it was just a bug or non optimised code

what is RC7...?
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#11
(12-08-2016, 09:46 AM)mokkorihokkori Wrote: what is RC7...?

Release Candidate 7
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#12
i would like to use 8k/8k unsyned too, but the CPU will be more than 60%, is it OK? im using v3.1
I am still not sure what is Release candidate 7.. this is update i have to make on betaflight..?
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#13
If you're using the latest BF3.1 builds (802 and beyond), you should be ok with 8k/8k on F3 FCs. Disabled acc if usage seems too high.

(12-13-2016, 10:52 AM)mokkorihokkori Wrote: i would like to use 8k/8k unsyned too, but the CPU will be more than 60%, is it OK? im using v3.1
I am still not sure what is Release candidate 7.. this is update i have to make on betaflight..?
BF3.0 Release Candidates is a thing of the past, there's a final 3.0.1 version of quite a long time, and 3.1 dev builds.
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