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Verison 1.0.3 Release

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Based on Buildbotics 0.4.14
This commit is contained in:
OneFinityCNC
2020-08-27 23:20:27 -04:00
parent 6137475077
commit 24dfa6c64d
302 changed files with 58865 additions and 0 deletions
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236
src/py/lcd/__init__.py Normal file
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#!/usr/bin/env python3
################################################################################
# #
# This file is part of the Buildbotics firmware. #
# #
# Copyright (c) 2015 - 2018, Buildbotics LLC #
# All rights reserved. #
# #
# This file ("the software") is free software: you can redistribute it #
# and/or modify it under the terms of the GNU General Public License, #
# version 2 as published by the Free Software Foundation. You should #
# have received a copy of the GNU General Public License, version 2 #
# along with the software. If not, see <http://www.gnu.org/licenses/>. #
# #
# The software is distributed in the hope that it will be useful, but #
# WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU #
# Lesser General Public License for more details. #
# #
# You should have received a copy of the GNU Lesser General Public #
# License along with the software. If not, see #
# <http://www.gnu.org/licenses/>. #
# #
# For information regarding this software email: #
# "Joseph Coffland" <joseph@buildbotics.com> #
# #
################################################################################
import time
import logging
log = logging.getLogger('LCD')
# Control flags
REG_SELECT_BIT = 1 << 0
READ_BIT = 1 << 1
ENABLE_BIT = 1 << 2
BACKLIGHT_BIT = 1 << 3
# Commands
LCD_CLEAR_DISPLAY = 1 << 0
LCD_RETURN_HOME = 1 << 1
LCD_ENTRY_MODE_SET = 1 << 2
LCD_DISPLAY_CONTROL = 1 << 3
LCD_CURSOR_SHIFT = 1 << 4
LCD_FUNCTION_SET = 1 << 5
LCD_SET_CGRAM_ADDR = 1 << 6
LCD_SET_DDRAM_ADDR = 1 << 7
# Entry Mode Set flags
LCD_ENTRY_SHIFT_DISPLAY = 1 << 0
LCD_ENTRY_SHIFT_INC = 1 << 1
LCD_ENTRY_SHIFT_DEC = 0 << 1
# Display Control flags
LCD_BLINK_ON = 1 << 0
LCD_BLINK_OFF = 0 << 0
LCD_CURSOR_ON = 1 << 1
LCD_CURSOR_OFF = 0 << 1
LCD_DISPLAY_ON = 1 << 2
LCD_DISPLAY_OFF = 0 << 2
# Cursor Shift flags
LCD_SHIFT_RIGHT = 1 << 2
LCD_SHIFT_LEFT = 0 << 2
LCD_SHIFT_DISPLAY = 1 << 3
LCD_SHIFT_CURSOR = 0 << 3
# Function Set flags
LCD_5x11_DOTS = 1 << 2
LCD_5x8_DOTS = 0 << 2
LCD_2_LINE = 1 << 3
LCD_1_LINE = 0 << 3
LCD_8_BIT_MODE = 1 << 4
LCD_4_BIT_MODE = 0 << 4
# Text justification flags
JUSTIFY_LEFT = 0
JUSTIFY_RIGHT = 1
JUSTIFY_CENTER = 2
class LCD:
def __init__(self, i2c, addr, height = 4, width = 20):
self.addr = addr
self.height = height
self.width = width
self.i2c = i2c
self.backlight = True
self.reset()
def reset(self):
self.clear()
time.sleep(0.050)
self.write_nibble(3 << 4) # Home
time.sleep(0.050)
self.write_nibble(3 << 4) # Home
time.sleep(0.050)
self.write_nibble(3 << 4) # Home
self.write_nibble(2 << 4) # 4-bit
self.write(LCD_FUNCTION_SET | LCD_2_LINE | LCD_5x8_DOTS |
LCD_4_BIT_MODE)
self.write(LCD_DISPLAY_CONTROL | LCD_DISPLAY_ON)
self.write(LCD_ENTRY_MODE_SET | LCD_ENTRY_SHIFT_INC)
def write_i2c(self, data):
if self.backlight: data |= BACKLIGHT_BIT
self.i2c.write(self.addr, data)
time.sleep(0.0001)
# Write half of a command to LCD
def write_nibble(self, data):
self.write_i2c(data)
# Strobe
self.write_i2c(data | ENABLE_BIT)
time.sleep(0.0005)
self.write_i2c(data & ~ENABLE_BIT)
time.sleep(0.0001)
# Write an 8-bit command to LCD
def write(self, cmd, flags = 0):
self.write_nibble(flags | (cmd & 0xf0))
self.write_nibble(flags | ((cmd << 4) & 0xf0))
def set_cursor(self, on, blink):
data = LCD_DISPLAY_CONTROL
if on: data |= LCD_CURSOR_ON
if blink: data |= LCD_BLINK_ON
self.write(data)
def set_backlight(self, enable):
self.backlight = enable
self.write_i2c(0)
def program_char(self, addr, data):
if addr < 0 or 8 <= addr: return
self.write(LCD_SET_CGRAM_ADDR | (addr << 3))
for x in data:
self.write(x, REG_SELECT_BIT)
def goto(self, x, y):
if x < 0 or self.width <= x or y < 0 or self.height <= y: return
self.write(LCD_SET_DDRAM_ADDR | (0, 64, 20, 84)[y] + int(x))
def put_char(self, c):
self.write(ord(c), REG_SELECT_BIT)
def text(self, msg, x = None, y = None):
if x is not None and y is not None: self.goto(x, y)
for c in msg: self.put_char(c)
def display(self, line, msg, justify = JUSTIFY_LEFT):
if justify == JUSTIFY_RIGHT: x = self.width - len(msg)
elif justify == JUSTIFY_CENTER: x = (self.width - len(msg)) / 2
else: x = 0
if x < 0: x = 0
self.text(msg, x, line)
def shift(self, count = 1, right = True, display = True):
cmd = LCD_CURSOR_SHIFT
if right: cmd |= LCD_SHIFT_RIGHT
if display: cmd |= LCD_SHIFT_DISPLAY
for i in range(count): self.write(cmd)
# Clear LCD and move cursor home
def clear(self):
self.write(LCD_CLEAR_DISPLAY)
self.write(LCD_RETURN_HOME)
if __name__ == "__main__":
lcd = LCD(1, 0x27)
lcd.clear()
lcd.program_char(0, (0b11011,
0b11011,
0b00000,
0b01100,
0b01100,
0b00000,
0b11011,
0b11011))
lcd.program_char(1, (0b11000,
0b01100,
0b00110,
0b00011,
0b00011,
0b00110,
0b01100,
0b11000))
lcd.program_char(2, (0b00011,
0b00110,
0b01100,
0b11000,
0b11000,
0b01100,
0b00110,
0b00011))
lcd.display(0, '\0' * lcd.width)
lcd.display(1, 'Hello world!', JUSTIFY_CENTER)
lcd.display(2, '\1\2' * (lcd.width / 2))
lcd.display(3, '12345678901234567890')

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src/py/lcd/splash.py Normal file
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#!/usr/bin/env python3
################################################################################
# #
# This file is part of the Buildbotics firmware. #
# #
# Copyright (c) 2015 - 2018, Buildbotics LLC #
# All rights reserved. #
# #
# This file ("the software") is free software: you can redistribute it #
# and/or modify it under the terms of the GNU General Public License, #
# version 2 as published by the Free Software Foundation. You should #
# have received a copy of the GNU General Public License, version 2 #
# along with the software. If not, see <http://www.gnu.org/licenses/>. #
# #
# The software is distributed in the hope that it will be useful, but #
# WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU #
# Lesser General Public License for more details. #
# #
# You should have received a copy of the GNU Lesser General Public #
# License along with the software. If not, see #
# <http://www.gnu.org/licenses/>. #
# #
# For information regarding this software email: #
# "Joseph Coffland" <joseph@buildbotics.com> #
# #
################################################################################
import lcd
if __name__ == "__main__":
screen = lcd.LCD(1, 0x27)
screen.clear()
screen.display(0, 'Buildbotics', lcd.JUSTIFY_CENTER)
screen.display(1, 'Controller', lcd.JUSTIFY_CENTER)
screen.display(3, 'Booting...', lcd.JUSTIFY_CENTER)