Using STorM32 with ArduPilot: Difference between revisions

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''The information on this page refers to firmware v2.52, and higher.''
''The information on this page refers to firmware v2.64e, and higher.''


The STorM32 gimbal controller can communicate with an [http://ardupilot.org/ardupilot/index.html ArduPilot] flight controller via a serial UART data link. The serial communication allows for a much richer data transmission and accordingly richer set of features than possible with the traditional connections such as PWM, PPM, SBUS, and alike.
The STorM32 gimbal controller can communicate with an [http://ardupilot.org/ardupilot/index.html ArduPilot] flight controller via a serial UART data link. The serial communication allows for a much richer data transmission and accordingly richer set of features than possible with the traditional connections such as PWM, PPM, SBUS, CRSF, and alike.


If you only need the range of functionality possible with the conventional tilt & pan control, then you may not need anything of the below. Some of the basic features can also be accomplished by workarounds in traditional ways. Decide yourself which approach fits your needs best. :)
If you only need the range of functionality possible with the conventional tilt & pan control, then you may not need anything of the following. Some of the basic features can also be accomplished in traditional ways. Decide yourself which approach fits your needs best. :)


If you want to make best use of your STorM32 gimbal and want 2020-ish capabilities, then you may want to chose [https://github.com/olliw42/BetaPilot BetaPilot] (BetaCopter/BetaPlane), which is described in [[Using STorM32 with BetaPilot]].
If you want to make best use of your STorM32 gimbal and want 2020-ish capabilities, then you may want to chose [https://github.com/olliw42/BetaPilot BetaPilot] (BetaCopter/BetaPlane). This fork of ArduPilot is specifically designed for the STorM32 gimbal controller, and provides the best range of functions. For details see [[Using STorM32 with BetaPilot]].


<div class="toclimit-3">__TOC__</div>
<div class="toclimit-2">__TOC__</div>


== STorM32 - ArduPilot Support ==
== STorM32 - ArduPilot Support ==


'''''ArduPilot''''' offers two mount types, which can be used with the STorM32 controller:
ArduPilot offers three mount types, which can in principle be used with the STorM32 controller:


* '''''SToRM32 MAVLink''''': MNT_TYPE = 4
* '''''SToRM32 MAVLink mount''''', MNTx_TYPE = 4
* '''''SToRM32 Serial''''': MNT_TYPE = 5
* '''''SToRM32 Serial mount''''', MNTx_TYPE = 5 (not recommended)
* '''''Greemsy mount''''', MNTx_TYPE = 6 (not recommended)


For further details and instructions on how to use these mounts, please visit [http://ardupilot.org/copter/docs/common-storm32-gimbal.html#common-storm32-gimbal| ArduPilot Docs > Copter > Optional Hardware > Camera&Gimbals > SToRM32 Gimbal Controller].
For further information visit [http://ardupilot.org/copter/docs/common-storm32-gimbal.html#common-storm32-gimbal| ArduPilot Docs > Copter > Optional Hardware > Camera&Gimbals > SToRM32 Gimbal Controller].


{{COMMENT|Unfortunately, ArduPilot's gimbal support is partially flawed. That is, many features you will find to work great, but some you will find to not work well. STorM32 can't do anything about it, it's ArduPilot. Please also note that the STorM32 firmware author is not responsible for the implementation of ArduPilot's mount types.}}
The ''SToRM32 MAVLink'' mount (MNTx_TYPE = 4) currently appears to work best with STorM32 in the sense that the main functionality works and it produces the least issues, but it is limited in its functionality. At the time of writing, it is not fully clear what works and what does not work, so the statement is that the ''SToRM32 MAVLink'' mount (MNTx_TYPE = 4) is your best guess.


The '''''BetaPilot''''' fork of ArduPilot additionally offers the '83' mount type:
'''''Disclaimer''': ArduPilot's gimbal support is a constant source of issues, in terms of incompatibilities with the official MAVLink standard and flaws, and the details can vary with the ArduPilot firmware version. Also the ArduPilot documentation can be out-of-date. Please understand that STorM32 cannot do anything about this, it is ArduPilot, and please also understand that the STorM32 firmware author is neither responsible for the implementation of ArduPilot's mount types nor for ArduPilot's documentation.''


* '''''STorM32 MAVLink2''''':  MNT_TYPE = 83
== STorM32 MAVLink Mount Type (MNTx_TYPE = 4) ==


This mount type is specifically designed for the STorM32 gimbal controller, and provides the best range of functions. For details see [[Using STorM32 with BetaPilot]].
These settings in STorM32 and ArduPilot need to be made.


A comparison of the different techniques to connect the STorM32 controller with the flight controller is given in the following feature matrix.
'''''Settings in STorM32:'''''
* {{PARAMNAME|Mavlink Gimbal}} = {{PARAMVALUE|Gimbal1}}
* {{PARAMNAME|Mavlink Gimbal Stream}} = {{PARAMVALUE|mountstatus}}
* {{PARAMNAME|Mavlink Uart Port}} = {{PARAMVALUE|uart}} if the serial port UART is used (this is the default)
* {{PARAMNAME|Mavlink System ID}} = {{PARAMVALUE|0}} for auto-detection (which is the default) or system ID of autopilot


== Feature Matrix ==
Other MAVLink-related settings can normally be left at their default. A complete description of the parameters is provided in [[MAVLink_Communication#Parameters|MAVLink Communication: Parameters]] (please read it, just in case).
(to the best of the authors knowledge)
{| class="wikitable" style="text-align: center;"
!Feature
!Traditional<br>PWM, PPM, SBUS, ...
!SToRM32 MAVLink<br>(MNT_TYPE = 4)
!SToRM32 Serial<br>(MNT_TYPE = 5)
!BetaPilot<br> STorM32 MAVLink2<br>(MNT_TYPE = 83)
|-
| style="text-align:left;" | Gimbal Angle Control || style="background-color: lightgreen;"| x || style="background-color: #d2f8d2;"| x <sup>(?)</sup> || style="background-color: lightgreen;"| x || style="background-color: lightgreen;"| x
|-
| style="text-align:left;" | MOUNT_STATUS message || - || style="background-color: #d2f8d2;"| x <sup>(1)</sup> || style="background-color: #d2f8d2;"| x <sup>(2)</sup> || style="background-color: lightgreen;"| x
|-
| style="text-align:left;" | ATTITUDE message || - || - || - || style="background-color: lightgreen;"| x
|-
| style="text-align:left;" | Camera Trigger || style="background-color: lightgreen;"| x || style="background-color: lightgreen;"| x || - || style="background-color: lightgreen;"| x
|-
| style="text-align:left;" | Gimbal Point in MP || - || style="background-color: lightgreen;"| x || style="background-color: #d2f8d2;"| x <sup>(2)</sup> || style="background-color: lightgreen;"| x
|-
| style="text-align:left;" | Solo Smart Shots || style="background-color: #d2f8d2;"| x <sup>(3)|| - || - || style="background-color: #d2f8d2;"| x <sup>(3)</sup>
|-
| style="text-align:left;" | Camera Manager in QGC || - || style="background-color: #d2f8d2;"| x <sup>(4)</sup> || - || style="background-color: lightgreen;"| x
|-
| style="text-align:left;" | MAVLink Parameters || - || style="background-color: lightgreen;"| x || - || style="background-color: lightgreen;"| x
|-
| style="text-align:left;" | Video Control in Missions || - || style="background-color: lightgreen;"| x || - || style="background-color: lightgreen;"| x
|-
| style="text-align:left;" | 360° Gimbal with Free Look || style="background-color: lightgreen;"| x || - || - || style="background-color: lightgreen;"| x
|-
| style="text-align:left;" | STorM32 Functions || style="background-color: lightgreen;"| x || - || - || style="background-color: lightgreen;"| x
|-
| style="text-align:left;" | STorM32 Scripts || style="background-color: lightgreen;"| x || - || - || style="background-color: lightgreen;"| x
|-
| style="text-align:left;" | STorM32-Link: Horizon Drift Comp. || - || - || - || style="background-color: lightgreen;"| x <sup></sup>
|-
| style="text-align:left;" | STorM32-Link: Yaw Drift Comp. || - || - || - || style="background-color: lightgreen;"| x <sup></sup>
|-
| style="text-align:left;" | MAVLink Passthrough Configuration || - || - || - || style="background-color: lightgreen;"| x
|-
| style="text-align:left;" | MAVLink Camera Microservice || - || style="background-color: #d2f8d2;"| x <sup>(4)</sup> || - || style="background-color: lightgreen;"| x
|-
| style="text-align:left;" | MAVLink Advanced Features || - || - || - || style="background-color: lightgreen;"| x
|-
| style="text-align:left;" | MAVLink Statustext messages || - || - || - || style="background-color: lightgreen;"| x
|-
| style="text-align:left;" | STorM32 Gimbal Protocol || - || - || - || style="background-color: lightgreen;"| x
|-
| style="text-align:left;" | Prearm Checks || - || - || - || style="background-color: lightgreen;"| x
|}


(?) Many but not all features work in the latest ArduPilot releases. Please check with the ArduPilot community.
'''''Settings in ArduPilot:'''''
* MNT1_TYPE = 4
* SERIALx_PROTOCOL = 2
* SERIALx_BAUD = 115


(1) The message reports the last set point, not the actual gimbal/camera orientation.
SERIALx can be any of the flight controller's serial ports SERIAL1, SERIAL2, and so on ('x' stands for 1, 2, ...). The default baudrate of the STorM32 serial ports is 115200 bps, SERIALx_BAUD is hence set to 115.


(2) Works only for deprecated v0.9x firmwares.
With these settings you should notice that:


(3) Only up to ArduCopter 3.6. ArduCopter 4.0 has introduced two bugs which the STorM32 controller cannot work around.
* In MissonPlanner or any other GCS, a MAVLink component named GIMBAL is present in addition.
* In the STorM32 {{GUI|Dashboard}}, the MAVLINK field shows PRESENT.


(4) Only basic features.
Checking these points provides a quick indicator for whether things are working or not. For further testing, please see [[#Testing_the_Connection|Testing the Connection]].
<!--
 
{{COMMENT|Note that some of the listed features only need BetaPilot but do not require that also the STorM32 MAVLink2 mount (MNT_TYPE 83) is enabled; this is so since they are standard MAVLink.}}-_>
The above settings establish the basic configuration. Some features need additional adjustment of some parameters.
 
=== Further Settings in ArduPilot ===
 
Please '''''disable''''' (set to 0) '''''all SRy/MAVy''''' streaming parameters for the serial port you are using for STorM32. This avoids that the STorM32 controller is bombarded with superfluous messages and helps it to achieve consistent behavior. Depending on the vehicle type and ArduPilot firmware version you may find that the streaming parameters are enabled or disabled by default. So, please check.
 
== Virtual Channel Configuration ==
 
ArduPilot does not emit the RC_CHANNELS MAVLink message by default, which could be desired for taking advantage of the STorM32's virtual channel feature.
 
It can be activated in the flight controller by setting the SRy_RC_CHAN/MAVy_RC_CHAN parameter to a non-zero value, where 'y' refers to the stream associated to the serial port which is used for the MAVLink communication with the STorM32 controller ('y' is in general different to the 'x' in SERIALx).
 
For more details on the feature see [[Using_STorM32_with_BetaPilot#Virtual_Channel_Configuration|Virtual Channel Configuration]].
 
== Testing the Connection ==
 
The serial MAVLink connection can be tested in several ways. Suggestions can be found in [[Using_STorM32_with_BetaPilot#Testing_the_Connection | Using STorM32 with BetaPilot: Testing the Connection]]. Not all suggested tests may work with native ArduPilot, but many should.

Latest revision as of 19:16, 26 October 2025

The information on this page refers to firmware v2.64e, and higher.

The STorM32 gimbal controller can communicate with an ArduPilot flight controller via a serial UART data link. The serial communication allows for a much richer data transmission and accordingly richer set of features than possible with the traditional connections such as PWM, PPM, SBUS, CRSF, and alike.

If you only need the range of functionality possible with the conventional tilt & pan control, then you may not need anything of the following. Some of the basic features can also be accomplished in traditional ways. Decide yourself which approach fits your needs best. :)

If you want to make best use of your STorM32 gimbal and want 2020-ish capabilities, then you may want to chose BetaPilot (BetaCopter/BetaPlane). This fork of ArduPilot is specifically designed for the STorM32 gimbal controller, and provides the best range of functions. For details see Using STorM32 with BetaPilot.

STorM32 - ArduPilot Support

ArduPilot offers three mount types, which can in principle be used with the STorM32 controller:

  • SToRM32 MAVLink mount, MNTx_TYPE = 4
  • SToRM32 Serial mount, MNTx_TYPE = 5 (not recommended)
  • Greemsy mount, MNTx_TYPE = 6 (not recommended)

For further information visit ArduPilot Docs > Copter > Optional Hardware > Camera&Gimbals > SToRM32 Gimbal Controller.

The SToRM32 MAVLink mount (MNTx_TYPE = 4) currently appears to work best with STorM32 in the sense that the main functionality works and it produces the least issues, but it is limited in its functionality. At the time of writing, it is not fully clear what works and what does not work, so the statement is that the SToRM32 MAVLink mount (MNTx_TYPE = 4) is your best guess.

Disclaimer: ArduPilot's gimbal support is a constant source of issues, in terms of incompatibilities with the official MAVLink standard and flaws, and the details can vary with the ArduPilot firmware version. Also the ArduPilot documentation can be out-of-date. Please understand that STorM32 cannot do anything about this, it is ArduPilot, and please also understand that the STorM32 firmware author is neither responsible for the implementation of ArduPilot's mount types nor for ArduPilot's documentation.

STorM32 MAVLink Mount Type (MNTx_TYPE = 4)

These settings in STorM32 and ArduPilot need to be made.

Settings in STorM32:

  • Mavlink Gimbal = “Gimbal1”
  • Mavlink Gimbal Stream = “mountstatus”
  • Mavlink Uart Port = “uart” if the serial port UART is used (this is the default)
  • Mavlink System ID = “0” for auto-detection (which is the default) or system ID of autopilot

Other MAVLink-related settings can normally be left at their default. A complete description of the parameters is provided in MAVLink Communication: Parameters (please read it, just in case).

Settings in ArduPilot:

  • MNT1_TYPE = 4
  • SERIALx_PROTOCOL = 2
  • SERIALx_BAUD = 115

SERIALx can be any of the flight controller's serial ports SERIAL1, SERIAL2, and so on ('x' stands for 1, 2, ...). The default baudrate of the STorM32 serial ports is 115200 bps, SERIALx_BAUD is hence set to 115.

With these settings you should notice that:

  • In MissonPlanner or any other GCS, a MAVLink component named GIMBAL is present in addition.
  • In the STorM32 [GUI:Dashboard], the MAVLINK field shows PRESENT.

Checking these points provides a quick indicator for whether things are working or not. For further testing, please see Testing the Connection.

The above settings establish the basic configuration. Some features need additional adjustment of some parameters.

Further Settings in ArduPilot

Please disable (set to 0) all SRy/MAVy streaming parameters for the serial port you are using for STorM32. This avoids that the STorM32 controller is bombarded with superfluous messages and helps it to achieve consistent behavior. Depending on the vehicle type and ArduPilot firmware version you may find that the streaming parameters are enabled or disabled by default. So, please check.

Virtual Channel Configuration

ArduPilot does not emit the RC_CHANNELS MAVLink message by default, which could be desired for taking advantage of the STorM32's virtual channel feature.

It can be activated in the flight controller by setting the SRy_RC_CHAN/MAVy_RC_CHAN parameter to a non-zero value, where 'y' refers to the stream associated to the serial port which is used for the MAVLink communication with the STorM32 controller ('y' is in general different to the 'x' in SERIALx).

For more details on the feature see Virtual Channel Configuration.

Testing the Connection

The serial MAVLink connection can be tested in several ways. Suggestions can be found in Using STorM32 with BetaPilot: Testing the Connection. Not all suggested tests may work with native ArduPilot, but many should.