diff options
Diffstat (limited to 'klippy/extras/display/uc1701.py')
| -rw-r--r-- | klippy/extras/display/uc1701.py | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/klippy/extras/display/uc1701.py b/klippy/extras/display/uc1701.py index 5870bba2..ff7d595e 100644 --- a/klippy/extras/display/uc1701.py +++ b/klippy/extras/display/uc1701.py @@ -2,6 +2,7 @@ # # Copyright (C) 2018 Kevin O'Connor <kevin@koconnor.net> # Copyright (C) 2018 Eric Callahan <arksine.code@gmail.com> +# Copyright (C) 2019 Dmitry Budaev <condemil@gmail.com> # # This file may be distributed under the terms of the GNU GPLv3 license. import logging @@ -178,6 +179,39 @@ class UC1701(DisplayBase): self.flush() logging.info("uc1701 initialized") +# The ST7567 is a "4-wire" SPI display device +class ST7567(DisplayBase): + def __init__(self, config): + DisplayBase.__init__(self, SPI4wire(config, "a0_pin")) + self.contrast = config.getint('contrast', 60, minval=0, maxval=63) + ppins = config.get_printer().lookup_object('pins') + rs_pin = config.get('rs_pin') + self.reset_pin = ppins.setup_pin('digital_out', rs_pin) + self.reset_pin.setup_start_value(start_value=1., shutdown_value=0., + is_static=False) + def init(self): + # Send init commands + init_cmds = [0xE2, # System reset + 0x40, # Set display to start at line 0 + 0xA0, # Set SEG direction + 0xC8, # Set COM Direction + 0xA2, # Set Bias = 1/9 + 0x2F, # Boost, regulator, follower on + 0xF8, # Set booster ratio + 0x00, # Booster ratio value (4x) + 0x23, # Set regulation ratio (3) + 0x81, # Set Electronic Volume + self.contrast, # Electronic Volume value + # 0xAC, # Set static indicator off + # 0x00, # NOP + 0xA6, # Disable Inverse + 0xAF] # Set display enable + self.send(init_cmds) + self.send([0xA5]) # display all + self.send([0xA4]) # normal display + self.flush() + logging.info("st7567 initialized") + # The SSD1306 supports both i2c and "4-wire" spi class SSD1306(DisplayBase): def __init__(self, config): |