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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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23
config/example-extras.cfg
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@ -345,6 +345,29 @@
# be provided.
# Support for a display attached to the micro-controller.
#[display]
#lcd_type:
# The type of LCD chip in use. This may be either "hd44780" (which
# is used in "RepRapDiscount 2004 Smart Controller" type displays)
# or "st7920" (which is used in "RepRapDiscount 12864 Full Graphic
# Smart Controller" type displays). This parameter must be
# provided.
#rs_pin:
#e_pin:
#d4_pin:
#d5_pin:
#d6_pin:
#d7_pin:
# The pins connected to an hd44780 type lcd. These parameters must
# be provided when using an hd44780 display.
#cs_pin:
#sclk_pin:
#sid_pin:
# The pins connected to an st7920 type lcd. These parameters must
# be provided when using an st7920 display.
# Replicape support - see the generic-replicape.cfg file for further
# details.
#[replicape]