display: Move klippy/extras/display.py to klippy/extras/display/display.py

Move the display code into its own directory.  This is in preparation
for splitting it up into its own modules.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 0 insertions, 704 deletions

diff --git a/klippy/extras/display.py b/klippy/extras/display.py
deleted file mode 100644
index b62e8534..00000000
--- a/klippy/extras/display.py
+++ /dev/null
@@ -1,704 +0,0 @@
-# Basic LCD display support
-#
-# Copyright (C) 2018  Kevin O'Connor <kevin@koconnor.net>
-# Copyright (C) 2018  Aleph Objects, Inc <marcio@alephobjects.com>
-# Copyright (C) 2018  Eric Callahan <arksine.code@gmail.com>
-#
-# This file may be distributed under the terms of the GNU GPLv3 license.
-import logging
-
-BACKGROUND_PRIORITY_CLOCK = 0x7fffffff00000000
-
-
-######################################################################
-# HD44780 (20x4 text) lcd chip
-######################################################################
-
-HD44780_DELAY = .000037
-
-class HD44780:
-    char_right_arrow = '\x7e'
-    char_thermometer = '\x00'
-    char_heater_bed = '\x01'
-    char_speed_factor = '\x02'
-    char_clock = '\x03'
-    char_degrees = '\x04'
-    char_usb = '\x05'
-    char_sd = '\x06'
-    def __init__(self, config):
-        self.printer = config.get_printer()
-        # pin config
-        ppins = self.printer.lookup_object('pins')
-        pins = [ppins.lookup_pin('digital_out', config.get(name + '_pin'))
-                for name in ['rs', 'e', 'd4', 'd5', 'd6', 'd7']]
-        mcu = None
-        for pin_params in pins:
-            if mcu is not None and pin_params['chip'] != mcu:
-                raise ppins.error("hd44780 all pins must be on same mcu")
-            mcu = pin_params['chip']
-            if pin_params['invert']:
-                raise ppins.error("hd44780 can not invert pin")
-        self.pins = [pin_params['pin'] for pin_params in pins]
-        self.mcu = mcu
-        self.oid = self.mcu.create_oid()
-        self.mcu.add_config_object(self)
-        self.send_data_cmd = self.send_cmds_cmd = None
-        # framebuffers
-        self.text_framebuffer = (bytearray(' '*80), bytearray('~'*80), 0x80)
-        self.glyph_framebuffer = (bytearray(64), bytearray('~'*64), 0x40)
-        self.framebuffers = [self.text_framebuffer, self.glyph_framebuffer]
-    def build_config(self):
-        self.mcu.add_config_cmd(
-            "config_hd44780 oid=%d rs_pin=%s e_pin=%s"
-            " d4_pin=%s d5_pin=%s d6_pin=%s d7_pin=%s delay_ticks=%d" % (
-                self.oid, self.pins[0], self.pins[1],
-                self.pins[2], self.pins[3], self.pins[4], self.pins[5],
-                self.mcu.seconds_to_clock(HD44780_DELAY)))
-        cmd_queue = self.mcu.alloc_command_queue()
-        self.send_cmds_cmd = self.mcu.lookup_command(
-            "hd44780_send_cmds oid=%c cmds=%*s", cq=cmd_queue)
-        self.send_data_cmd = self.mcu.lookup_command(
-            "hd44780_send_data oid=%c data=%*s", cq=cmd_queue)
-    def send(self, cmds, is_data=False):
-        cmd_type = self.send_cmds_cmd
-        if is_data:
-            cmd_type = self.send_data_cmd
-        cmd_type.send([self.oid, cmds], reqclock=BACKGROUND_PRIORITY_CLOCK)
-        #logging.debug("hd44780 %d %s", is_data, repr(cmds))
-    def flush(self):
-        # Find all differences in the framebuffers and send them to the chip
-        for new_data, old_data, fb_id in self.framebuffers:
-            if new_data == old_data:
-                continue
-            # Find the position of all changed bytes in this framebuffer
-            diffs = [[i, 1] for i, (nd, od) in enumerate(zip(new_data, old_data))
-                     if nd != od]
-            # Batch together changes that are close to each other
-            for i in range(len(diffs)-2, -1, -1):
-                pos, count = diffs[i]
-                nextpos, nextcount = diffs[i+1]
-                if pos + 4 >= nextpos and nextcount < 16:
-                    diffs[i][1] = nextcount + (nextpos - pos)
-                    del diffs[i+1]
-            # Transmit changes
-            for pos, count in diffs:
-                chip_pos = pos
-                if fb_id == 0x80 and pos >= 40:
-                    chip_pos += 0x40 - 40
-                self.send([fb_id + chip_pos])
-                self.send(new_data[pos:pos+count], is_data=True)
-            old_data[:] = new_data
-    def init(self):
-        curtime = self.printer.get_reactor().monotonic()
-        print_time = self.mcu.estimated_print_time(curtime)
-        # Program 4bit / 2-line mode and then issue 0x02 "Home" command
-        init = [[0x33], [0x33], [0x33, 0x22, 0x28, 0x02]]
-        # Reset (set positive direction ; enable display and hide cursor)
-        init.append([0x06, 0x0c])
-        for i, cmds in enumerate(init):
-            minclock = self.mcu.print_time_to_clock(print_time + i * .100)
-            self.send_cmds_cmd.send([self.oid, cmds], minclock=minclock)
-        # Add custom fonts
-        self.glyph_framebuffer[0][:len(HD44780_chars)] = HD44780_chars
-        for i in range(len(self.glyph_framebuffer[0])):
-            self.glyph_framebuffer[1][i] = self.glyph_framebuffer[0][i] ^ 1
-        self.flush()
-    def write_text(self, x, y, data):
-        if x + len(data) > 20:
-            data = data[:20 - min(x, 20)]
-        pos = [0, 40, 20, 60][y] + x
-        self.text_framebuffer[0][pos:pos+len(data)] = data
-    def clear(self):
-        self.text_framebuffer[0][:] = ' '*80
-
-HD44780_chars = [
-    # Thermometer
-    0b00100,
-    0b01010,
-    0b01010,
-    0b01010,
-    0b01010,
-    0b10001,
-    0b10001,
-    0b01110,
-    # Heated bed
-    0b00000,
-    0b11111,
-    0b10101,
-    0b10001,
-    0b10101,
-    0b11111,
-    0b00000,
-    0b00000,
-    # Speed factor
-    0b11100,
-    0b10000,
-    0b11000,
-    0b10111,
-    0b00101,
-    0b00110,
-    0b00101,
-    0b00000,
-    # Clock
-    0b00000,
-    0b01110,
-    0b10011,
-    0b10101,
-    0b10001,
-    0b01110,
-    0b00000,
-    0b00000,
-    # Degrees
-    0b01100,
-    0b10010,
-    0b10010,
-    0b01100,
-    0b00000,
-    0b00000,
-    0b00000,
-    0b00000,
-    # USB
-    0b01110,
-    0b01110,
-    0b01110,
-    0b11111,
-    0b11111,
-    0b11111,
-    0b00100,
-    0b00100,
-    # SD
-    0b00000,
-    0b00111,
-    0b01111,
-    0b11111,
-    0b11111,
-    0b11111,
-    0b11111,
-    0b00000,
-]
-
-
-######################################################################
-# ST7920 (128x64 graphics) lcd chip
-######################################################################
-
-# Spec says 72us, but faster is possible in practice
-ST7920_CMD_DELAY  = .000020
-ST7920_SYNC_DELAY = .000045
-
-class ST7920:
-    char_right_arrow = '\x1a'
-    def __init__(self, config):
-        printer = config.get_printer()
-        # pin config
-        ppins = printer.lookup_object('pins')
-        pins = [ppins.lookup_pin('digital_out', config.get(name + '_pin'))
-                for name in ['cs', 'sclk', 'sid']]
-        mcu = None
-        for pin_params in pins:
-            if mcu is not None and pin_params['chip'] != mcu:
-                raise ppins.error("st7920 all pins must be on same mcu")
-            mcu = pin_params['chip']
-            if pin_params['invert']:
-                raise ppins.error("st7920 can not invert pin")
-        self.pins = [pin_params['pin'] for pin_params in pins]
-        self.mcu = mcu
-        self.oid = self.mcu.create_oid()
-        self.mcu.add_config_object(self)
-        self.send_data_cmd = self.send_cmds_cmd = None
-        self.is_extended = False
-        # framebuffers
-        self.text_framebuffer = (bytearray(' '*64), bytearray('~'*64), 0x80)
-        self.glyph_framebuffer = (bytearray(128), bytearray('~'*128), 0x40)
-        self.graphics_framebuffers = [(bytearray(32), bytearray('~'*32), i)
-                                      for i in range(32)]
-        self.framebuffers = ([self.text_framebuffer, self.glyph_framebuffer]
-                             + self.graphics_framebuffers)
-    def build_config(self):
-        self.mcu.add_config_cmd(
-            "config_st7920 oid=%u cs_pin=%s sclk_pin=%s sid_pin=%s"
-            " sync_delay_ticks=%d cmd_delay_ticks=%d" % (
-                self.oid, self.pins[0], self.pins[1], self.pins[2],
-                self.mcu.seconds_to_clock(ST7920_SYNC_DELAY),
-                self.mcu.seconds_to_clock(ST7920_CMD_DELAY)))
-        cmd_queue = self.mcu.alloc_command_queue()
-        self.send_cmds_cmd = self.mcu.lookup_command(
-            "st7920_send_cmds oid=%c cmds=%*s", cq=cmd_queue)
-        self.send_data_cmd = self.mcu.lookup_command(
-            "st7920_send_data oid=%c data=%*s", cq=cmd_queue)
-    def send(self, cmds, is_data=False, is_extended=False):
-        cmd_type = self.send_cmds_cmd
-        if is_data:
-            cmd_type = self.send_data_cmd
-        elif self.is_extended != is_extended:
-            add_cmd = 0x22
-            if is_extended:
-                add_cmd = 0x26
-            cmds = [add_cmd] + cmds
-            self.is_extended = is_extended
-        cmd_type.send([self.oid, cmds], reqclock=BACKGROUND_PRIORITY_CLOCK)
-        #logging.debug("st7920 %d %s", is_data, repr(cmds))
-    def flush(self):
-        # Find all differences in the framebuffers and send them to the chip
-        for new_data, old_data, fb_id in self.framebuffers:
-            if new_data == old_data:
-                continue
-            # Find the position of all changed bytes in this framebuffer
-            diffs = [[i, 1] for i, (nd, od) in enumerate(zip(new_data, old_data))
-                     if nd != od]
-            # Batch together changes that are close to each other
-            for i in range(len(diffs)-2, -1, -1):
-                pos, count = diffs[i]
-                nextpos, nextcount = diffs[i+1]
-                if pos + 5 >= nextpos and nextcount < 16:
-                    diffs[i][1] = nextcount + (nextpos - pos)
-                    del diffs[i+1]
-            # Transmit changes
-            for pos, count in diffs:
-                count += pos & 0x01
-                count += count & 0x01
-                pos = pos & ~0x01
-                chip_pos = pos >> 1
-                if fb_id < 0x40:
-                    # Graphics framebuffer update
-                    self.send([0x80 + fb_id, 0x80 + chip_pos], is_extended=True)
-                else:
-                    self.send([fb_id + chip_pos])
-                self.send(new_data[pos:pos+count], is_data=True)
-            old_data[:] = new_data
-    def init(self):
-        cmds = [0x24, # Enter extended mode
-                0x40, # Clear vertical scroll address
-                0x02, # Enable CGRAM access
-                0x26, # Enable graphics
-                0x22, # Leave extended mode
-                0x02, # Home the display
-                0x06, # Set positive update direction
-                0x0c] # Enable display and hide cursor
-        self.send(cmds)
-        self.flush()
-    def load_glyph(self, glyph_id, data):
-        if len(data) > 32:
-            data = data[:32]
-        pos = min(glyph_id * 32, 96)
-        self.glyph_framebuffer[0][pos:pos+len(data)] = data
-    def write_text(self, x, y, data):
-        if x + len(data) > 16:
-            data = data[:16 - min(x, 16)]
-        pos = [0, 32, 16, 48][y] + x
-        self.text_framebuffer[0][pos:pos+len(data)] = data
-    def write_graphics(self, x, y, row, data):
-        if x + len(data) > 16:
-            data = data[:16 - min(x, 16)]
-        gfx_fb = y * 16 + row
-        if gfx_fb >= 32:
-            gfx_fb -= 32
-            x += 16
-        self.graphics_framebuffers[gfx_fb][0][x:x+len(data)] = data
-    def clear(self):
-        self.text_framebuffer[0][:] = ' '*64
-        zeros = bytearray(32)
-        for new_data, old_data, fb_id in self.graphics_framebuffers:
-            new_data[:] = zeros
-
-
-######################################################################
-# Icons
-######################################################################
-
-nozzle_icon = [
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000111111110000,
-    0b0001111111111000,
-    0b0001111111111000,
-    0b0001111111111000,
-    0b0000111111110000,
-    0b0000111111110000,
-    0b0001111111111000,
-    0b0001111111111000,
-    0b0001111111111000,
-    0b0000011111100000,
-    0b0000001111000000,
-    0b0000000110000000,
-    0b0000000000000000,
-    0b0000000000000000
-]
-
-bed_icon = [
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0111111111111110,
-    0b0111111111111110,
-    0b0000000000000000,
-    0b0000000000000000
-]
-
-heat1_icon = [
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0010001000100000,
-    0b0001000100010000,
-    0b0000100010001000,
-    0b0000100010001000,
-    0b0001000100010000,
-    0b0010001000100000,
-    0b0010001000100000,
-    0b0001000100010000,
-    0b0000100010001000,
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000000000000000
-]
-
-heat2_icon = [
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000100010001000,
-    0b0000100010001000,
-    0b0001000100010000,
-    0b0010001000100000,
-    0b0010001000100000,
-    0b0001000100010000,
-    0b0000100010001000,
-    0b0000100010001000,
-    0b0001000100010000,
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000000000000000,
-    0b0000000000000000
-]
-
-fan1_icon = [
-    0b0000000000000000,
-    0b0111111111111110,
-    0b0111000000001110,
-    0b0110001111000110,
-    0b0100001111000010,
-    0b0100000110000010,
-    0b0101100000011010,
-    0b0101110110111010,
-    0b0101100000011010,
-    0b0100000110000010,
-    0b0100001111000010,
-    0b0110001111000110,
-    0b0111000000001110,
-    0b0111111111111110,
-    0b0000000000000000,
-    0b0000000000000000
-]
-
-fan2_icon = [
-    0b0000000000000000,
-    0b0111111111111110,
-    0b0111000000001110,
-    0b0110010000100110,
-    0b0100111001110010,
-    0b0101111001111010,
-    0b0100110000110010,
-    0b0100000110000010,
-    0b0100110000110010,
-    0b0101111001111010,
-    0b0100111001110010,
-    0b0110010000100110,
-    0b0111000000001110,
-    0b0111111111111110,
-    0b0000000000000000,
-    0b0000000000000000
-]
-
-feedrate_icon = [
-    0b0000000000000000,
-    0b0111111000000000,
-    0b0100000000000000,
-    0b0100000000000000,
-    0b0100000000000000,
-    0b0111111011111000,
-    0b0100000010000100,
-    0b0100000010000100,
-    0b0100000010000100,
-    0b0100000011111000,
-    0b0000000010001000,
-    0b0000000010000100,
-    0b0000000010000100,
-    0b0000000010000010,
-    0b0000000000000000,
-    0b0000000000000000
-]
-
-
-######################################################################
-# LCD screen updates
-######################################################################
-
-LCD_chips = { 'st7920': ST7920, 'hd44780': HD44780 }
-M73_TIMEOUT = 5.
-
-class PrinterLCD:
-    def __init__(self, config):
-        self.printer = config.get_printer()
-        self.reactor = self.printer.get_reactor()
-        self.lcd_chip = config.getchoice('lcd_type', LCD_chips)(config)
-        self.lcd_type = config.get('lcd_type')
-        # printer objects
-        self.gcode = self.toolhead = self.sdcard = None
-        self.fan = self.extruder0 = self.extruder1 = self.heater_bed = None
-        # screen updating
-        self.screen_update_timer = self.reactor.register_timer(
-            self.screen_update_event)
-    # Initialization
-    FAN1_GLYPH, FAN2_GLYPH, BED1_GLYPH, BED2_GLYPH = 0, 1, 2, 3
-    def printer_state(self, state):
-        if state == 'ready':
-            self.lcd_chip.init()
-            # Load printer objects
-            self.gcode = self.printer.lookup_object('gcode')
-            self.toolhead = self.printer.lookup_object('toolhead')
-            self.sdcard = self.printer.lookup_object('virtual_sdcard', None)
-            self.fan = self.printer.lookup_object('fan', None)
-            self.extruder0 = self.printer.lookup_object('extruder0', None)
-            self.extruder1 = self.printer.lookup_object('extruder1', None)
-            self.heater_bed = self.printer.lookup_object('heater_bed', None)
-            self.prg_time = .0
-            self.progress = None
-            self.msg_time = None
-            self.message = None
-            self.gcode.register_command('M73', self.cmd_M73)
-            self.gcode.register_command('M117', self.cmd_M117, desc=self.cmd_M117_help)
-            # Load glyphs
-            self.load_glyph(self.BED1_GLYPH, heat1_icon)
-            self.load_glyph(self.BED2_GLYPH, heat2_icon)
-            self.load_glyph(self.FAN1_GLYPH, fan1_icon)
-            self.load_glyph(self.FAN2_GLYPH, fan2_icon)
-            # Start screen update timer
-            self.reactor.update_timer(self.screen_update_timer, self.reactor.NOW)
-    # ST7920 Glyphs
-    def load_glyph(self, glyph_id, data):
-        if self.lcd_type != 'st7920':
-            return
-        glyph = [0x00] * (len(data) * 2)
-        for i, bits in enumerate(data):
-            glyph[i*2] = (bits >> 8) & 0xff
-            glyph[i*2 + 1] = bits & 0xff
-        return self.lcd_chip.load_glyph(glyph_id, glyph)
-    def animate_glyphs(self, eventtime, x, y, glyph_id, do_animate):
-        frame = do_animate and int(eventtime) & 1
-        self.lcd_chip.write_text(x, y, (0, (glyph_id + frame)*2))
-    # Graphics drawing
-    def draw_icon(self, x, y, data):
-        for i, bits in enumerate(data):
-            self.lcd_chip.write_graphics(
-                x, y, i, [(bits >> 8) & 0xff, bits & 0xff])
-    def draw_progress_bar(self, x, y, width, value):
-        value = int(value * 100.)
-        data = [0x00] * width
-        char_pcnt = int(100/width)
-        for i in range(width):
-            if (i+1)*char_pcnt <= value:
-                # Draw completely filled bytes
-                data[i] |= 0xFF
-            elif (i*char_pcnt) < value:
-                # Draw partially filled bytes
-                data[i] |= (-1 << 8-((value % char_pcnt)*8/char_pcnt)) & 0xff
-        data[0] |= 0x80
-        data[-1] |= 0x01
-        self.lcd_chip.write_graphics(x, y, 0, [0xff]*width)
-        for i in range(1, 15):
-            self.lcd_chip.write_graphics(x, y, i, data)
-        self.lcd_chip.write_graphics(x, y, 15, [0xff]*width)
-    # Screen updating
-    def screen_update_event(self, eventtime):
-        self.lcd_chip.clear()
-        if self.lcd_type == 'hd44780':
-            self.screen_update_hd44780(eventtime)
-        else:
-            self.screen_update_st7920(eventtime)
-        self.lcd_chip.flush()
-        return eventtime + .500
-    def screen_update_hd44780(self, eventtime):
-        lcd_chip = self.lcd_chip
-        # Heaters
-        if self.extruder0 is not None:
-            info = self.extruder0.get_heater().get_status(eventtime)
-            lcd_chip.write_text(0, 0, lcd_chip.char_thermometer)
-            self.draw_heater(1, 0, info)
-        if self.extruder1 is not None:
-            info = self.extruder1.get_heater().get_status(eventtime)
-            lcd_chip.write_text(0, 1, lcd_chip.char_thermometer)
-            self.draw_heater(1, 1, info)
-        if self.heater_bed is not None:
-            info = self.heater_bed.get_status(eventtime)
-            lcd_chip.write_text(10, 0, lcd_chip.char_heater_bed)
-            self.draw_heater(11, 0, info)
-        # Fan speed
-        if self.fan is not None:
-            info = self.fan.get_status(eventtime)
-            lcd_chip.write_text(10, 1, "Fan")
-            self.draw_percent(14, 1, 4, info['speed'])
-        # G-Code speed factor
-        gcode_info = self.gcode.get_status(eventtime)
-        lcd_chip.write_text(0, 2, lcd_chip.char_speed_factor)
-        self.draw_percent(1, 2, 4, gcode_info['speed_factor'])
-        # Print progress
-        progress = None
-        toolhead_info = self.toolhead.get_status(eventtime)
-        if self.progress is not None:
-            progress = self.progress / 100.
-            lcd_chip.write_text(8, 2, lcd_chip.char_usb)
-            if toolhead_info['status'] != "Printing":
-                # 5 second timeout when not printing
-                self.prg_time -= .5
-                if self.prg_time <= 0.:
-                    self.progress = None
-        elif self.sdcard is not None:
-            info = self.sdcard.get_status(eventtime)
-            progress = info['progress']
-            lcd_chip.write_text(8, 2, lcd_chip.char_sd)
-        if progress is not None:
-            self.draw_percent(9, 2, 4, progress)
-        lcd_chip.write_text(14, 2, lcd_chip.char_clock)
-        self.draw_time(15, 2, toolhead_info['printing_time'])
-        # If there is a message set by M117, display it instead of toolhead info
-        if self.message:
-            lcd_chip.write_text(0, 3, self.message)
-            if self.msg_time:
-                # Screen updates every .5 seconds
-                self.msg_time -= .5 
-                if self.msg_time <= 0.:
-                    self.message = None
-                    self.msg_time = None
-        else:
-            self.draw_status(0, 3, gcode_info, toolhead_info)
-    def screen_update_st7920(self, eventtime):
-        # Heaters
-        if self.extruder0 is not None:
-            info = self.extruder0.get_heater().get_status(eventtime)
-            self.draw_icon(0, 0, nozzle_icon)
-            self.draw_heater(2, 0, info)
-        extruder_count = 1
-        if self.extruder1 is not None:
-            info = self.extruder1.get_heater().get_status(eventtime)
-            self.draw_icon(0, 1, nozzle_icon)
-            self.draw_heater(2, 1, info)
-            extruder_count = 2
-        if self.heater_bed is not None:
-            info = self.heater_bed.get_status(eventtime)
-            self.draw_icon(0, extruder_count, bed_icon)
-            if info['target']:
-                self.animate_glyphs(eventtime, 0, extruder_count,
-                                    self.BED1_GLYPH, True)
-            self.draw_heater(2, extruder_count, info)
-        # Fan speed
-        if self.fan is not None:
-            info = self.fan.get_status(eventtime)
-            self.animate_glyphs(eventtime, 10, 0, self.FAN1_GLYPH,
-                                info['speed'] != 0.)
-            self.draw_percent(12, 0, 4, info['speed'])
-        # SD card print progress
-        progress = None
-        toolhead_info = self.toolhead.get_status(eventtime)
-        if self.progress is not None:
-            progress = self.progress / 100.
-            if toolhead_info['status'] != "Printing":
-                # 5 second timeout when not printing
-                self.prg_time -= .5
-                if self.prg_time <= 0.:
-                    self.progress = None
-        elif self.sdcard is not None:
-            info = self.sdcard.get_status(eventtime)
-            progress = info['progress']
-        if progress is not None:
-            if extruder_count == 1:
-                x, y, width = 0, 2, 10
-            else:
-                x, y, width = 10, 1, 6
-            self.draw_percent(x, y, width, progress)
-            self.draw_progress_bar(x, y, width, progress)
-        # G-Code speed factor
-        gcode_info = self.gcode.get_status(eventtime)
-        if extruder_count == 1:
-            self.draw_icon(10, 1, feedrate_icon)
-            self.draw_percent(12, 1, 4, gcode_info['speed_factor'])
-        # Printing time and status
-        printing_time = toolhead_info['printing_time']
-        remaining_time = None
-        if progress is not None and progress > 0:
-            remaining_time = int(printing_time / progress) - printing_time
-        # switch mode every 6s
-        if remaining_time is not None and int(eventtime) % 12 < 6:
-            self.lcd_chip.write_text(10, 2, "-")
-            self.draw_time(11, 2, remaining_time)
-        else:
-            offset = 1 if printing_time < 100 * 60 * 60 else 0
-            self.draw_time(10 + offset, 2, printing_time)
-        # if there is a message set by M117, display it instead of toolhaed info
-        if self.message:
-            self.lcd_chip.write_text(0, 3, self.message)
-            if self.msg_time:
-                # Screen updates every .5 seconds
-                self.msg_time -= .5 
-                if self.msg_time <= 0.:
-                    self.message = None
-                    self.msg_time = None
-        else:
-            self.draw_status(0, 3, gcode_info, toolhead_info)
-    # Screen update helpers
-    def draw_heater(self, x, y, info):
-        temperature, target = info['temperature'], info['target']
-        if target and abs(temperature - target) > 2.:
-            s = "%3.0f%s%.0f" % (
-                temperature, self.lcd_chip.char_right_arrow, target)
-        else:
-            s = "%3.0f" % (temperature,)
-        if self.lcd_type == 'hd44780':
-            s += self.lcd_chip.char_degrees
-        self.lcd_chip.write_text(x, y, s)
-    def draw_percent(self, x, y, width, value):
-        self.lcd_chip.write_text(x, y, ("%d%%" % (value * 100.,)).center(width))
-    def draw_time(self, x, y, seconds):
-        seconds = int(seconds)
-        self.lcd_chip.write_text(x, y, "%02d:%02d" % (
-            seconds // (60 * 60), (seconds // 60) % 60))
-    def draw_status(self, x, y, gcode_info, toolhead_info):
-        status = toolhead_info['status']
-        if status == 'Printing' or gcode_info['busy']:
-            pos = self.toolhead.get_position()
-            status = "X%-4.0fY%-4.0fZ%-5.2f" % (pos[0], pos[1], pos[2])
-        self.lcd_chip.write_text(x, y, status)
-    def set_message(self, msg, msg_time=None):
-        self.message = msg
-        self.msg_time = msg_time
-    # print progress: M73 P<percent>
-    def cmd_M73(self, params):
-        self.progress = self.gcode.get_int('P', params, minval=0, maxval=100)
-        self.prg_time = M73_TIMEOUT
-    cmd_M117_help = "Show Message on Display"
-    def cmd_M117(self, params):
-        if '#original' in params:
-            msg = params['#original']
-            if not msg.startswith('M117'):
-                # Parse out additional info if M117 recd during a print
-                start = msg.find('M117')
-                end = msg.rfind('*')
-                msg = msg[start:end]
-            if len(msg) > 5:
-                msg = msg[5:]
-                self.set_message(msg)
-            else:
-                self.set_message(None)
-
-def load_config(config):
-    return PrinterLCD(config)