Using STorM32 with DJI: Difference between revisions
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The STorM32 gimbal controller can communicate with an DJI flight controller via the CAN bus. The CAN bus communication allows for a much richer set of features than possible with the traditional PWM connections. Examples are advanced control functions or the [[STorM32-Link]]. It also leads to a clean wiring. | The STorM32 gimbal controller can communicate with an DJI flight controller via the CAN bus. The CAN bus communication allows for a much richer set of features than possible with the traditional PWM connections. Examples are advanced control functions or the [[STorM32-Link]]. It also leads to a clean wiring. | ||
=== STorM32-Link Features === | |||
---- | |||
The DJI CAN bus STorM32-Link provides 3 features: | |||
* '''''Control of the STorM32 functions by the radio transmitter.''''' This feature has the same effect as if the receiver would be connected to the STorM32 controller at its inputs, except that such a physical connection is not required since the information is read off from the DJI CAN bus. For this to work the parameter {{PARAMNAME|Virtual Channel Configuration}} in the {{GUI|Setup}} tab must be set to {{PARAMVALUE|serial}}. | |||
* '''''Yaw drift compensation.''''' This feature suppresses any yaw drift of the camera IMU. This allows one e.g. to put the yaw axis into {{PARAMVALUE|hold}} mode for extended periods of time, and yet the camera will not drift away (the accuracy and stability depends on the accuracy and stability of the flight controller's yaw angle). | |||
* '''''Horizon drift compensation.''''' This feature helps to maintain a leveled horizon even in high-g maneuvers, there the horizon would usually tilt. For this to work the parameter {{PARAMNAME|STorM32Link Configuration}} must be set to {{PARAMVALUE|v1}}. | |||
A demo video showing the effectiveness of the horizon drift compensation is available on the firmware author's youtube channel. | |||
Revision as of 08:09, 30 July 2018
The STorM32 gimbal controller can communicate with an DJI flight controller via the CAN bus. The CAN bus communication allows for a much richer set of features than possible with the traditional PWM connections. Examples are advanced control functions or the STorM32-Link. It also leads to a clean wiring.
STorM32-Link Features
The DJI CAN bus STorM32-Link provides 3 features:
- Control of the STorM32 functions by the radio transmitter. This feature has the same effect as if the receiver would be connected to the STorM32 controller at its inputs, except that such a physical connection is not required since the information is read off from the DJI CAN bus. For this to work the parameter Virtual Channel Configuration in the [GUI:Setup] tab must be set to “serial”.
- Yaw drift compensation. This feature suppresses any yaw drift of the camera IMU. This allows one e.g. to put the yaw axis into “hold” mode for extended periods of time, and yet the camera will not drift away (the accuracy and stability depends on the accuracy and stability of the flight controller's yaw angle).
- Horizon drift compensation. This feature helps to maintain a leveled horizon even in high-g maneuvers, there the horizon would usually tilt. For this to work the parameter STorM32Link Configuration must be set to “v1”.
A demo video showing the effectiveness of the horizon drift compensation is available on the firmware author's youtube channel.