Kevin O'Connor 6bd5f4e44e stepcompress: Using normal message priority system during homing ...

The endstop homing system requires all queue_step commands be in the
MCU's 'move queue' before endstop checking starts.  Use the normal
message priority system to request that stepper queue_step commands
are received prior to the start of the end_stop_home command.  This
simplifies the code and removes the need for special serial queue
flushing.

This also fixes a bug in homing operations that take longer than 2^31
clock ticks.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

2016-12-30 20:14:48 -05:00

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