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display: Add initial support for LCD screens attached to an MCU

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Add support for displaying basic status information on ST7920 and
HD44780 based LCDs that are attached directly to a micro-controller.

Signed-off-by: Marcio Teixeira <marcio@alephobjects.com>
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2018-02-20 20:50:06 -05:00
parent 43ac56766e
commit 08a5f8a5ff
10 changed files with 588 additions and 2 deletions
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2
klippy/extras/fan.py
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@ -32,6 +32,8 @@ class PrinterFan:
self.mcu_fan.set_pwm(print_time, value)
self.last_fan_time = print_time
self.last_fan_value = value
def get_status(self, eventtime):
return {'speed': self.last_fan_value}
def load_config(config):
return PrinterFan(config)