G38.2 - probe toward workpiece, stop on contact, signal error if failure
G38.3 - probe toward workpiece, stop on contact
G38.4 - probe away from workpiece, stop on loss of contact, signal error if failure
G38.5 - probe away from workpiece, stop on loss of contact
这是通过添加一个
sys.probe_away标志来实现的,该标志用于根据我们正在探测的方向翻转开关的方向。真值表
这假设开关在“探测离开”开始时接合,考虑到 linuxcnc 描述中的措辞,这似乎是合理的
带有此补丁的 grbl 构建为 27758 字节,而 master 为 27654 字节