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Supported IMU MAVLink Messages from APM?

Posted by Daniel Landers on September 20, 2012 at 9:01am

I am using a self-modified version of Andrew Tridgell's MAVProxy to get MAVLink messages from APM over the USB port.

I am sending a data stream request message of type MAV_DATA_STREAM_ALL and am getting only a small subset of the official MAVLink messages.

The current received list is as follows:

AHRS
ATTITUDE
BAD_DATA
GPS_RAW_INT
HEARTBEAT
HWSTATUS
MEMINFO
MISSION_CURRENT
NAV_CONTROLLER_OUTPUT
PARAM_VALUE
RAW_IMU
RC_CHANNELS_RAW
RC_CHANNELS_SCALED
SCALED_PRESSURE
SENSOR_OFFSETS
SERVO_OUTPUT_RAW
SYS_STATUS
VFR_HUD

I do receive the RAW_IMU message, but I am really looking for the HIGHRES_IMU message, or at least the SCALED_IMU message.

Does APM only support RAW_IMU? Is there a complete list of MAVLink messages that APM will send when it receives a request of MAV_DATA_STREAM_ALL?

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Tags: imu, mavlink
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Replies

  • JJRG November 6, 2012 at 2:47am

    Hello!

    I have a similar problem: I'm trying to obtain the SCALED_IMU with Arduino Mega serial connected with Ardupilot and I can't get that message. Also, I can't get the RAW_IMU message...

    Do you get finally SCALED_IMU? What do you do to receive RAW_IMU?

    Thanks!

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