forked from Archive/PX4-Autopilot
mavlink_mission: improve comments about casting
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@ -885,7 +885,9 @@ MavlinkMissionManager::parse_mavlink_mission_item(const mavlink_mission_item_t *
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mavlink_mission_item->frame == MAV_FRAME_GLOBAL_RELATIVE_ALT) {
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if (_int_mode) {
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/* The argument is actually a mavlink_mission_item_int_t in int_mode */
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/* The argument is actually a mavlink_mission_item_int_t in int_mode.
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* mavlink_mission_item_t and mavlink_mission_item_int_t have the same
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* alignment, so we can just swap float for int32_t. */
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const mavlink_mission_item_int_t *item_int
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= reinterpret_cast<const mavlink_mission_item_int_t *>(mavlink_mission_item);
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mission_item->lat = ((double)item_int->x)*1e-7;
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@ -1058,7 +1060,9 @@ MavlinkMissionManager::format_mavlink_mission_item(const struct mission_item_s *
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mavlink_mission_item->param4 = 0.0f;
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if (_int_mode) {
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// This function actually receives a mavlink_mission_item_int_t in _int_mode.
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// This function actually receives a mavlink_mission_item_int_t in _int_mode
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// which has the same alignment as mavlink_mission_item_t and the only
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// difference is int32_t vs. float for x and y.
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mavlink_mission_item_int_t *item_int =
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reinterpret_cast<mavlink_mission_item_int_t *>(mavlink_mission_item);
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