Method M240

Marlin/src/gcode/feature/camera/M240.cpp:125–195

* M240: Trigger a camera by... * * - CHDK : Emulate a Canon RC-1 with a configurable ON duration. * https://captain-slow.dk/2014/03/09/3d-printing-timelapses/ * - PHOTOGRAPH_PIN : Pulse a digital pin 16 times. * See https://www.doc-diy.net/photo/rc-1_hacked/ * - PHOTO_SWITCH_POSITION : Bump a physical switch wit

 *    J - Switch trigger position override Y
 */
void GcodeSuite::M240() {

  #ifdef PHOTO_POSITION

    if (homing_needed_error()) return;

    const xyz_pos_t old_pos = NUM_AXIS_ARRAY(
      current_position.x + parser.linearval('A'),
      current_position.y + parser.linearval('B'),
      current_position.z,
      current_position.i, current_position.j, current_position.k,
      current_position.u, current_position.v, current_position.w
    );

    #ifdef PHOTO_RETRACT_MM
      const float rval = parser.linearval('R', _PHOTO_RETRACT_MM);
      const feedRate_t sval = parser.feedrateval('S', TERN(ADVANCED_PAUSE_FEATURE, PAUSE_PARK_RETRACT_FEEDRATE, TERN(FWRETRACT, RETRACT_FEEDRATE, 45)));
      e_move_m240(-rval, sval);
    #endif

    feedRate_t fr_mm_s = parser.feedrateval('F');
    if (fr_mm_s) NOLESS(fr_mm_s, 10.0f);

    constexpr xyz_pos_t photo_position = PHOTO_POSITION;
    xyz_pos_t raw = {
       parser.seenval('X') ? RAW_X_POSITION(parser.value_linear_units()) : photo_position.x,
       parser.seenval('Y') ? RAW_Y_POSITION(parser.value_linear_units()) : photo_position.y,
      (parser.seenval('Z') ? parser.value_linear_units() : photo_position.z) + current_position.z
    };
    apply_motion_limits(raw);
    do_blocking_move_to(raw, fr_mm_s);

    #ifdef PHOTO_SWITCH_POSITION
      constexpr xy_pos_t photo_switch_position = PHOTO_SWITCH_POSITION;
      const xy_pos_t sraw = {
         parser.seenval('I') ? RAW_X_POSITION(parser.value_linear_units()) : photo_switch_position.x,
         parser.seenval('J') ? RAW_Y_POSITION(parser.value_linear_units()) : photo_switch_position.y
      };
      do_blocking_move_to_xy(sraw, get_homing_bump_feedrate(X_AXIS));
      #if PHOTO_SWITCH_MS > 0
        safe_delay(parser.intval('D', PHOTO_SWITCH_MS));
      #endif
      do_blocking_move_to(raw);
    #endif

  #endif

  #if PIN_EXISTS(CHDK)

    OUT_WRITE(CHDK_PIN, HIGH);
    chdk_timeout = millis() + parser.intval('D', PHOTO_SWITCH_MS);

  #elif HAS_PHOTOGRAPH

    spin_photo_pin();
    delay(7.33);
    spin_photo_pin();