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virtual_sdcard: add SDCARD_RESET_FILE gcode 

This allows the user to close a currently loaded file and reset the virtual_sdcard's state.

Signed-off-by:  Eric Callahan <arksine.code@gmail.com>
This commit is contained in:
Arksine 2020-07-29 06:14:02 -04:00 committed by KevinOConnor
parent 10987003b0
commit af39a209f3
1 changed files with 16 additions and 0 deletions
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16
klippy/extras/virtual_sdcard.py
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@ -25,6 +25,9 @@ class VirtualSD:
self.gcode.register_command(cmd, getattr(self, 'cmd_' + cmd)) self.gcode.register_command(cmd, getattr(self, 'cmd_' + cmd))
for cmd in ['M28', 'M29', 'M30']: for cmd in ['M28', 'M29', 'M30']:
self.gcode.register_command(cmd, self.cmd_error) self.gcode.register_command(cmd, self.cmd_error)
self.gcode.register_command(
"SDCARD_RESET_FILE", self.cmd_SDCARD_RESET_FILE,
desc=self.cmd_SDCARD_RESET_FILE_help)
def handle_shutdown(self): def handle_shutdown(self):
if self.work_timer is not None: if self.work_timer is not None:
self.must_pause_work = True self.must_pause_work = True
@ -69,6 +72,19 @@ class VirtualSD:
# G-Code commands # G-Code commands
def cmd_error(self, gcmd): def cmd_error(self, gcmd):
raise gcmd.error("SD write not supported") raise gcmd.error("SD write not supported")
def _reset_file(self):
if self.current_file is not None:
self.do_pause()
self.current_file.close()
self.current_file = None
self.file_position = self.file_size = 0.
cmd_SDCARD_RESET_FILE_help = "Clears a loaded SD File. Stops the print "\
"if necessary"
def cmd_SDCARD_RESET_FILE(self, gcmd):
if self.cmd_from_sd:
raise gcmd.error(
"SDCARD_RESET_FILE cannot be run from the sdcard")
self._reset_file()
def cmd_M20(self, gcmd): def cmd_M20(self, gcmd):
# List SD card # List SD card
files = self.get_file_list() files = self.get_file_list()