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camera_def: add note about CAM_MODE param #224

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Apr 7, 2020
Merged

camera_def: add note about CAM_MODE param #224

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camera_def: add note about CAM_MODE param
julianoes Apr 7, 2020
eb2f895
minor tidy
hamishwillee Apr 7, 2020
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8 changes: 7 additions & 1 deletion en/services/camera_def.md
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Expand Up @@ -32,10 +32,16 @@ All fields are self explanatory:

### Parameters

An extended set of parameter messages is used to define settings and options. These minimally have a parameter name, type and default value (types can be predefined or arbitrary - though arbitrary types are only supported by custom camera controllers). They will also have a description that is displayed to the user and the set of possible options.
An extended set of parameter messages is used to define settings and options.
These minimally have a parameter name, type and default value (types can be predefined or arbitrary - though arbitrary types are only supported by custom camera controllers).
They will also have a description that is displayed to the user and the set of possible options.

Parameters can be simple or quite complex, depending on the behavior they change.

> **Note** The parameter `CAM_MODE` must be part of the parameter list.
It maps to the command [MAV_CMD_SET_CAMERA_MODE](../messages/common.md#MAV_CMD_SET_CAMERA_MODE).
It enables exposure of different settings based on the mode, so photo settings in photo mode and video settings in video mode.

#### Parameter Types

The type of the parameter follows the enum [MAV_PARAM_EXT_TYPE](../messages/common.md#MAV_PARAM_EXT_TYPE_UINT8). Within the XML file, these are defined as:
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