Mavros: ๋ฉ”์‹œ์ง€ ์†๋„๋ฅผ ๊ตฌ์„ฑํ•˜๋Š” ๊ณต์‹ ๋ฐฉ๋ฒ•

์— ๋งŒ๋“  2015๋…„ 06์›” 07์ผ  ยท  7์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: mavlink/mavros

์–˜๋“ค ์•„,

๋ฉ”์‹œ์ง€ ์†๋„๋ฅผ ๊ตฌ์„ฑํ•˜๋Š” ํ˜„์žฌ ๊ณต์‹์ ์ธ ๋ฐฉ๋ฒ•์ด ๋ฌด์—‡์ธ์ง€ ๊ถ๊ธˆํ•˜์‹ญ๋‹ˆ๊นŒ? Pixhawk์˜ Telem ํฌํŠธ 2์—์„œ IMU ๋ฉ”์‹œ์ง€ ์†๋„๋ฅผ ์•ฝ 200Hz๋กœ ๊ตฌ์„ฑํ•˜๊ณ  ์‹ถ์—ˆ์Šต๋‹ˆ๋‹ค.

์ด ํ‹ฐ์ผ“ ์„ ๋ณด์•˜์ง€๋งŒ @LorenzMeier๊ฐ€ ์–ธ๊ธ‰ํ•œ ์š”๊ธˆ ๊ตฌ์„ฑ์— ๋Œ€ํ•œ QGC ๋ฌธ์„œ๋ฅผ ์ฐพ์„ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.

PX4 question

๊ฐ€์žฅ ์œ ์šฉํ•œ ๋Œ“๊ธ€

๊ทธ๋ž˜์„œ SD ์นด๋“œ์˜ /etc/์— extras.txt๋ฅผ ์ถ”๊ฐ€ํ–ˆ์œผ๋ฉฐ ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค.

#!nsh
#
# USB MAVLink start
#

mavlink start -d /dev/ttyS6 -b 921600
# Enable a number of interesting streams we want via USB
mavlink stream -d /dev/ttyS6 -s PARAM_VALUE -r 300
mavlink stream -d /dev/ttyS6 -s MISSION_ITEM -r 50
mavlink stream -d /dev/ttyS6 -s NAMED_VALUE_FLOAT -r 10
mavlink stream -d /dev/ttyS6 -s OPTICAL_FLOW_RAD -r 10
mavlink stream -d /dev/ttyS6 -s VFR_HUD -r 20
mavlink stream -d /dev/ttyS6 -s ATTITUDE -r 20
mavlink stream -d /dev/ttyS6 -s ACTUATOR_CONTROL_TARGET0 -r 30
mavlink stream -d /dev/ttyS6 -s RC_CHANNELS_RAW -r 5
mavlink stream -d /dev/ttyS6 -s SERVO_OUTPUT_RAW_0 -r 20
mavlink stream -d /dev/ttyS6 -s POSITION_TARGET_GLOBAL_INT -r 10
mavlink stream -d /dev/ttyS6 -s LOCAL_POSITION_NED -r 30
mavlink stream -d /dev/ttyS6 -s MANUAL_CONTROL -r 5
mavlink stream -d /dev/ttyS6 -s HIGHRES_IMU -r 100
mavlink stream -d /dev/ttyS6 -s GPS_RAW_INT -r 20

# Exit shell to make it available to MAVLink
exit

HIGHRES_IMU ๋น„์œจ์„ 150์œผ๋กœ ๋ณ€๊ฒฝํ•˜๊ณ  ํฌํŠธ๋ฅผ ttyS6์œผ๋กœ ๋ณ€๊ฒฝํ•˜์—ฌ SERIAL4 ํฌํŠธ๋ฅผ ํ†ตํ•ด ๋ฐ์ดํ„ฐ๋ฅผ ๊ฒŒ์‹œํ–ˆ์Šต๋‹ˆ๋‹ค. ๋˜ํ•œ RTS์™€ CTS ๋ผ์ธ์„ ์—ฐ๊ฒฐํ–ˆ๋Š”๋ฐ ๋ฐ์ดํ„ฐ๊ฐ€ ๋” ๋นจ๋ฆฌ ๋“ค์–ด์˜ค์ง€๋งŒ 124hz ์ •๋„๋งŒ ๋ฉ๋‹ˆ๋‹ค. ๊ทธ๊ฒƒ์ด ์žฅ์น˜๊ฐ€ ์“ฐ๋Š” ๊ฒƒ์˜ ์ƒํ•œ์ž…๋‹ˆ๊นŒ?

์–ด์จŒ๋“  ์›๋ž˜ ์งˆ๋ฌธ์ด ํ•ด๊ฒฐ๋˜์—ˆ์Šต๋‹ˆ๋‹ค. ์ด ๋ฌธ์ œ๋ฅผ ์ข…๋ฃŒํ•  ๊ฒƒ์„ ๊ถŒ์žฅํ•ฉ๋‹ˆ๋‹ค.

๋ชจ๋“  7 ๋Œ“๊ธ€

QGC์—์„œ ๋ฉ”์‹œ์ง€ ์†๋„๋ฅผ ๊ตฌ์„ฑํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.

2015๋…„ 6์›” 6์ผ ์˜คํ›„ 7์‹œ 38๋ถ„์— y22ma [email protected]์—์„œ ๋‹ค์Œ๊ณผ ๊ฐ™์ด ์ผ์Šต๋‹ˆ๋‹ค.

์–˜๋“ค ์•„,

๋ฉ”์‹œ์ง€ ์†๋„๋ฅผ ๊ตฌ์„ฑํ•˜๋Š” ํ˜„์žฌ ๊ณต์‹์ ์ธ ๋ฐฉ๋ฒ•์ด ๋ฌด์—‡์ธ์ง€ ๊ถ๊ธˆํ•˜์‹ญ๋‹ˆ๊นŒ? Pixhawk์˜ Telem ํฌํŠธ 2์—์„œ IMU ๋ฉ”์‹œ์ง€ ์†๋„๋ฅผ ์•ฝ 200Hz๋กœ ๊ตฌ์„ฑํ•˜๊ณ  ์‹ถ์—ˆ์Šต๋‹ˆ๋‹ค.

https://github.com/mavlink/mavros/issues/178 ์ด ํ‹ฐ์ผ“์„ ๋ณด์•˜์ง€๋งŒ @LorenzMeier https://github.com/LorenzMeier์—์„œ ์–ธ๊ธ‰ํ•œ ๊ฒƒ์ฒ˜๋Ÿผ ์†๋„ ๊ตฌ์„ฑ์— ๋Œ€ํ•œ QGC ๋ฌธ์„œ๋ฅผ ์ฐพ์„ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค

โ€”
์ด ์ด๋ฉ”์ผ์— ์ง์ ‘ ๋‹ต์žฅํ•˜๊ฑฐ๋‚˜ GitHub https://github.com/mavlink/mavros/issues/305์—์„œ ํ™•์ธํ•˜์„ธ์š”.

@DonLakeFlyer ๋‹ต๋ณ€ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค. ๊ทธ๋ž˜์„œ ํ˜„์žฌ ํ•  ์ˆ˜ ์žˆ๋Š” ์œ ์ผํ•œ ๋ฐฉ๋ฒ•์€ rc.usb๋ฅผ ์ˆ˜์ •ํ•˜๊ณ  ๋‹ค์‹œ ํ”Œ๋ž˜์‹œํ•˜๋Š” ๊ฒƒ๋ฟ์ž…๋‹ˆ๊นŒ? ์ŠคํŠธ๋ฆผ API๊ฐ€ ์—ฌ์ „ํžˆ ๋” ์ด์ƒ ์‚ฌ์šฉ๋˜์ง€ ์•Š๋Š”๋‹ค๊ณ  ๊ฐ€์ •ํ•ฉ๋‹ˆ๋‹ค.

๊ฑด๋ฐฐ,

์˜Œ

ํŽŒ์›จ์–ด ์ชฝ์—์„œ ํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•œ ๋‹ต์„ ๋ชจ๋ฅด๊ฒ ์Šต๋‹ˆ๋‹ค.

2015๋…„ 6์›” 6์ผ ์˜คํ›„ 8์‹œ 40๋ถ„์— y22ma [email protected]์—์„œ ๋‹ค์Œ๊ณผ ๊ฐ™์ด ์ผ์Šต๋‹ˆ๋‹ค.

@DonLakeFlyer https://github.com/DonLakeFlyer ๋‹ต๋ณ€ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค. ๊ทธ๋ž˜์„œ ํ˜„์žฌ ํ•  ์ˆ˜ ์žˆ๋Š” ์œ ์ผํ•œ ๋ฐฉ๋ฒ•์€ rc.usb๋ฅผ ์ˆ˜์ •ํ•˜๊ณ  ๋‹ค์‹œ ํ”Œ๋ž˜์‹œํ•˜๋Š” ๊ฒƒ๋ฟ์ž…๋‹ˆ๊นŒ? ์ŠคํŠธ๋ฆผ API๊ฐ€ ์—ฌ์ „ํžˆ ๋” ์ด์ƒ ์‚ฌ์šฉ๋˜์ง€ ์•Š๋Š”๋‹ค๊ณ  ๊ฐ€์ •ํ•ฉ๋‹ˆ๋‹ค.

๊ฑด๋ฐฐ,

์˜Œ

โ€”
์ด ์ด๋ฉ”์ผ์— ์ง์ ‘ ๋‹ต์žฅํ•˜๊ฑฐ๋‚˜ GitHub https://github.com/mavlink/mavros/issues/305#issuecomment -109680623์—์„œ

@y22ma ์žฌํ”Œ๋ž˜์‹œ๊ฐ€ ํ•„์š”ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. SD ์นด๋“œ์— extras.txt ๋ฅผ ์‚ฌ์šฉํ•˜์„ธ์š”.

์•Œ์•˜์–ด์š”. ์˜ˆ๋ฅผ ๋“ค์–ด ๋‹ค์Œ์„ ์ถ”๊ฐ€ํ•˜๊ธฐ๋งŒ ํ•˜๋ฉด ๋ฉ๋‹ˆ๋‹ค.

mavlink ์ŠคํŠธ๋ฆผ -d /dev/ttyACM0 -s HIGHRES_IMU -r 100

IMU ๋ฉ”์‹œ์ง€์˜ ์†๋„๋ฅผ 100Hz๋กœ ๋†’์ด๋ ค๋ฉด?

๊ทธ๋ž˜์„œ SD ์นด๋“œ์˜ /etc/์— extras.txt๋ฅผ ์ถ”๊ฐ€ํ–ˆ์œผ๋ฉฐ ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค.

#!nsh
#
# USB MAVLink start
#

mavlink start -d /dev/ttyS6 -b 921600
# Enable a number of interesting streams we want via USB
mavlink stream -d /dev/ttyS6 -s PARAM_VALUE -r 300
mavlink stream -d /dev/ttyS6 -s MISSION_ITEM -r 50
mavlink stream -d /dev/ttyS6 -s NAMED_VALUE_FLOAT -r 10
mavlink stream -d /dev/ttyS6 -s OPTICAL_FLOW_RAD -r 10
mavlink stream -d /dev/ttyS6 -s VFR_HUD -r 20
mavlink stream -d /dev/ttyS6 -s ATTITUDE -r 20
mavlink stream -d /dev/ttyS6 -s ACTUATOR_CONTROL_TARGET0 -r 30
mavlink stream -d /dev/ttyS6 -s RC_CHANNELS_RAW -r 5
mavlink stream -d /dev/ttyS6 -s SERVO_OUTPUT_RAW_0 -r 20
mavlink stream -d /dev/ttyS6 -s POSITION_TARGET_GLOBAL_INT -r 10
mavlink stream -d /dev/ttyS6 -s LOCAL_POSITION_NED -r 30
mavlink stream -d /dev/ttyS6 -s MANUAL_CONTROL -r 5
mavlink stream -d /dev/ttyS6 -s HIGHRES_IMU -r 100
mavlink stream -d /dev/ttyS6 -s GPS_RAW_INT -r 20

# Exit shell to make it available to MAVLink
exit

HIGHRES_IMU ๋น„์œจ์„ 150์œผ๋กœ ๋ณ€๊ฒฝํ•˜๊ณ  ํฌํŠธ๋ฅผ ttyS6์œผ๋กœ ๋ณ€๊ฒฝํ•˜์—ฌ SERIAL4 ํฌํŠธ๋ฅผ ํ†ตํ•ด ๋ฐ์ดํ„ฐ๋ฅผ ๊ฒŒ์‹œํ–ˆ์Šต๋‹ˆ๋‹ค. ๋˜ํ•œ RTS์™€ CTS ๋ผ์ธ์„ ์—ฐ๊ฒฐํ–ˆ๋Š”๋ฐ ๋ฐ์ดํ„ฐ๊ฐ€ ๋” ๋นจ๋ฆฌ ๋“ค์–ด์˜ค์ง€๋งŒ 124hz ์ •๋„๋งŒ ๋ฉ๋‹ˆ๋‹ค. ๊ทธ๊ฒƒ์ด ์žฅ์น˜๊ฐ€ ์“ฐ๋Š” ๊ฒƒ์˜ ์ƒํ•œ์ž…๋‹ˆ๊นŒ?

์–ด์จŒ๋“  ์›๋ž˜ ์งˆ๋ฌธ์ด ํ•ด๊ฒฐ๋˜์—ˆ์Šต๋‹ˆ๋‹ค. ์ด ๋ฌธ์ œ๋ฅผ ์ข…๋ฃŒํ•  ๊ฒƒ์„ ๊ถŒ์žฅํ•ฉ๋‹ˆ๋‹ค.

@y22ma
PX4 ํŽŒ์›จ์–ด๋กœ ๋ฉ”์‹œ์ง€ ์†๋„๋ฅผ ๋ณ€๊ฒฝํ•˜๊ณ  ์‹ถ์Šต๋‹ˆ๋‹ค. /etc/์— extras.txt๋ฅผ ์ถ”๊ฐ€ํ•ด์•ผ ํ•œ๋‹ค๋Š” ๋œป์ธ๊ฐ€์š”? PX4 ํŽŒ์›จ์–ด๋Š” /etc/์˜ extras.txt๋ฅผ ์ฝ์–ด ๊ตฌ์„ฑ ๋งค๊ฐœ๋ณ€์ˆ˜๋ฅผ ์–ป์Šต๋‹ˆ๊นŒ? extras.txt๋ฅผ ์ถ”๊ฐ€ํ•˜๋Š” ๊ฒƒ ์™ธ์— ์šฐ๋ฆฌ๊ฐ€ ํ•ด์•ผ ํ•  ์ผ์€ ๋ฌด์—‡์ž…๋‹ˆ๊นŒ?
๊ฐ์‚ฌ ํ•ด์š”!

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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