diff options
Diffstat (limited to 'klippy/mcu.py')
| -rw-r--r-- | klippy/mcu.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/klippy/mcu.py b/klippy/mcu.py index d6d754c2..0cd6a22e 100644 --- a/klippy/mcu.py +++ b/klippy/mcu.py @@ -442,6 +442,7 @@ class MCU: ffi_main, self._ffi_lib = chelper.get_ffi() self._max_stepper_error = config.getfloat('max_stepper_error', 0.000025, minval=0.) + self._reserved_move_slots = 0 self._stepqueues = [] self._steppersync = None # Stats @@ -588,11 +589,13 @@ class MCU: self._send_config(config_params['crc']) # Setup steppersync with the move_count returned by get_config move_count = config_params['move_count'] + if move_count < self._reserved_move_slots: + raise error("Too few moves available on MCU '%s'" % (self._name,)) ffi_main, ffi_lib = chelper.get_ffi() self._steppersync = ffi_main.gc( ffi_lib.steppersync_alloc(self._serial.serialqueue, self._stepqueues, len(self._stepqueues), - move_count), + move_count-self._reserved_move_slots), ffi_lib.steppersync_free) ffi_lib.steppersync_set_time(self._steppersync, 0., self._mcu_freq) # Log config information @@ -657,6 +660,8 @@ class MCU: return self.print_time_to_clock(t) + slot def register_stepqueue(self, stepqueue): self._stepqueues.append(stepqueue) + def request_move_queue_slot(self): + self._reserved_move_slots += 1 def seconds_to_clock(self, time): return int(time * self._mcu_freq) def get_max_stepper_error(self): |