M240 - Trigger Camera

extras Trigger a camera shutter PHOTO_GCODE

Trigger a camera shutter using a digital pin or by bumping a physical switch.

CHDK_PIN or PHOTOGRAPH_PIN is required prior to Marlin 2.0.0.

To use the CHDK_PIN or PHOTOGRAPH_PIN option with a digital camera see this article.

To use an endstop or contact switch as a shutter switch for your smartphone’s camera, see this video.

M240 [A<offset>] [B<offset>] [D<ms>] [F<feedrate>] [I<pos>] [J<pos>] [P<ms>] [R<length>] [S<feedrate>] [X<pos>] [Y<pos>] [Z<length>]

`[A<offset>]`	Offset to the X return position. (Requires `PHOTO_POSITION`)
`[B<offset>]`	Offset to the Y return position. (Requires `PHOTO_POSITION`)
`[D<ms>]`	Duration to hold down the shutter switch. (Requires `PHOTO_SWITCH_POSITION` and `PHOTO_SWITCH_MS`)
`[F<feedrate>]`	Feedrate for the main photo moves. If omitted, the homing feedrate will be used. (Requires `PHOTO_POSITION`)
`[I<pos>]`	Shutter switch X position. If omitted, the photo move X position applies. (Requires `PHOTO_SWITCH_POSITION`)
`[J<pos>]`	Shutter switch Y position. If omitted, the photo move Y position applies. (Requires `PHOTO_SWITCH_POSITION`)
`[P<ms>]`	Delay after pressing the shutter switch. (Requires `PHOTO_SWITCH_POSITION` and `PHOTO_SWITCH_MS`)
`[R<length>]`	Retract/recover length. (Requires `PHOTO_POSITION`)
`[S<feedrate>]`	Retract/recover feedrate. (Requires `PHOTO_POSITION`)
`[X<pos>]`	Main photo move X position. (Requires `PHOTO_POSITION`)
`[Y<pos>]`	Main photo move Y position. (Requires `PHOTO_POSITION`)
`[Z<length>]`	Main photo move Z raise. (Requires `PHOTO_POSITION`)