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Touch Screen Waypoint Navigation

兼容2x2及以上所有尺寸屏幕
compatible with all monitor size above 2x2

点屏幕上方的O来增加路径点
- 如果是手动点地图确定位置，则设置路近点到该地点
- 否则以微控制器输入作为新路径点

长按删除选择路径点
按 < 和 > 来循环切换选择路径点
按 + 和 - 调整地图缩放
按R重新居中到自身

输出下一个路径点(一号路径点)坐标

click "O" button on top to add WP
- if center of the map is manually changed, set the center point as new WP
- otherwise use micro-controller input value as new WP

hold "O" button to delete selected WP

click "<" & ">" on top to circulating select the WP

click "+" & "-" on left to adjust the zoom

click "R" on left to re-center the map

output next WP position (WP #1)