diff options
Diffstat (limited to 'klippy/mcu.py')
| -rw-r--r-- | klippy/mcu.py | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/klippy/mcu.py b/klippy/mcu.py index a665ad32..e71423bc 100644 --- a/klippy/mcu.py +++ b/klippy/mcu.py @@ -42,9 +42,10 @@ class MCU_stepper: self._reset_cmd = mcu.lookup_command( "reset_step_clock oid=%c clock=%u") ffi_main, self.ffi_lib = chelper.get_ffi() - self._stepqueue = self.ffi_lib.stepcompress_alloc( + self._stepqueue = ffi_main.gc(self.ffi_lib.stepcompress_alloc( max_error, self._step_cmd.msgid - , self._dir_cmd.msgid, self._invert_dir, self._oid) + , self._dir_cmd.msgid, self._invert_dir, self._oid), + self.ffi_lib.stepcompress_free) self.print_to_mcu_time = mcu.print_to_mcu_time def get_oid(self): return self._oid @@ -356,6 +357,9 @@ class MCU: self.get_print_buffer_time = dummy_get_print_buffer_time def disconnect(self): self.serial.disconnect() + if self._steppersync is not None: + self.ffi_lib.steppersync_free(self._steppersync) + self._steppersync = None def stats(self, eventtime): stats = self.serial.stats(eventtime) stats += " mcu_task_avg=%.06f mcu_task_stddev=%.06f" % ( @@ -484,3 +488,5 @@ class MCU: mcu_time = print_time + self._print_start_time clock = int(mcu_time * self._mcu_freq) self.ffi_lib.steppersync_flush(self._steppersync, clock) + def __del__(self): + self.disconnect() |