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display: add support for multiple displays

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Signed-off-by:  Eric Callahan <arksine.code@gmail.com>
This commit is contained in:
Arksine 2020-03-04 12:31:09 -05:00 • committed by Kevin O'Connor
parent 6d5ce309a5
commit aa7d24b0af
3 changed files with 52 additions and 4 deletions
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12
klippy/extras/display/__init__.py
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@ -7,3 +7,15 @@ import display
def load_config(config):
return display.load_config(config)
def load_config_prefix(config):
if not config.has_section('display'):
raise config.error(
"A primary [display] section must be defined in printer.cfg "
"to use auxilary displays")
name = config.get_name().split()[-1]
if name == "display":
raise config.error(
"Section name [display display] is not valid. "
"Please choose a different postfix.")
return display.load_config(config)

13
klippy/extras/display/display.py
View file

@ -84,7 +84,11 @@ class PrinterLCD:
self.lcd_chip = config.getchoice('lcd_type', LCD_chips)(config)
self.lcd_type = config.get('lcd_type')
# Load menu and display_status
self.menu = menu.MenuManager(config, self.lcd_chip)
self.menu = None
name = config.get_name()
if name == 'display':
# only load menu for primary display
self.menu = menu.MenuManager(config, self.lcd_chip)
self.printer.try_load_module(config, "display_status")
# Configurable display
self.display_templates = {}
@ -145,9 +149,10 @@ class PrinterLCD:
# Screen updating
def screen_update_event(self, eventtime):
# update menu component
ret = self.menu.screen_update_event(eventtime)
if ret:
return ret
if self.menu is not None:
ret = self.menu.screen_update_event(eventtime)
if ret:
return ret
# Update normal display
self.lcd_chip.clear()
try: