Implemented LCD with Arduino

1 files changed, 0 insertions, 178 deletions

diff --git a/I2C_LCD_driver.py b/I2C_LCD_driver.py
deleted file mode 100644
index 0a58e30..0000000
--- a/I2C_LCD_driver.py
+++ /dev/null
@@ -1,178 +0,0 @@
-# -*- coding: utf-8 -*-
-# Original code found at:
-# https://gist.github.com/DenisFromHR/cc863375a6e19dce359d
-
-"""
-Compiled, mashed and generally mutilated 2014-2015 by Denis Pleic
-Made available under GNU GENERAL PUBLIC LICENSE
-
-# Modified Python I2C library for Raspberry Pi
-# as found on http://www.recantha.co.uk/blog/?p=4849
-# Joined existing 'i2c_lib.py' and 'lcddriver.py' into a single library
-# added bits and pieces from various sources
-# By DenisFromHR (Denis Pleic)
-# 2015-02-10, ver 0.1
-
-"""
-
-# i2c bus (0 -- original Pi, 1 -- Rev 2 Pi)
-I2CBUS = 0
-
-# LCD Address
-ADDRESS = 0x27
-
-import smbus
-from time import sleep
-
-class i2c_device:
-   def __init__(self, addr, port=I2CBUS):
-      self.addr = addr
-      self.bus = smbus.SMBus(port)
-
-# Write a single command
-   def write_cmd(self, cmd):
-      self.bus.write_byte(self.addr, cmd)
-      sleep(0.0001)
-
-# Write a command and argument
-   def write_cmd_arg(self, cmd, data):
-      self.bus.write_byte_data(self.addr, cmd, data)
-      sleep(0.0001)
-
-# Write a block of data
-   def write_block_data(self, cmd, data):
-      self.bus.write_block_data(self.addr, cmd, data)
-      sleep(0.0001)
-
-# Read a single byte
-   def read(self):
-      return self.bus.read_byte(self.addr)
-
-# Read
-   def read_data(self, cmd):
-      return self.bus.read_byte_data(self.addr, cmd)
-
-# Read a block of data
-   def read_block_data(self, cmd):
-      return self.bus.read_block_data(self.addr, cmd)
-
-
-# commands
-LCD_CLEARDISPLAY = 0x01
-LCD_RETURNHOME = 0x02
-LCD_ENTRYMODESET = 0x04
-LCD_DISPLAYCONTROL = 0x08
-LCD_CURSORSHIFT = 0x10
-LCD_FUNCTIONSET = 0x20
-LCD_SETCGRAMADDR = 0x40
-LCD_SETDDRAMADDR = 0x80
-
-# flags for display entry mode
-LCD_ENTRYRIGHT = 0x00
-LCD_ENTRYLEFT = 0x02
-LCD_ENTRYSHIFTINCREMENT = 0x01
-LCD_ENTRYSHIFTDECREMENT = 0x00
-
-# flags for display on/off control
-LCD_DISPLAYON = 0x04
-LCD_DISPLAYOFF = 0x00
-LCD_CURSORON = 0x02
-LCD_CURSOROFF = 0x00
-LCD_BLINKON = 0x01
-LCD_BLINKOFF = 0x00
-
-# flags for display/cursor shift
-LCD_DISPLAYMOVE = 0x08
-LCD_CURSORMOVE = 0x00
-LCD_MOVERIGHT = 0x04
-LCD_MOVELEFT = 0x00
-
-# flags for function set
-LCD_8BITMODE = 0x10
-LCD_4BITMODE = 0x00
-LCD_2LINE = 0x08
-LCD_1LINE = 0x00
-LCD_5x10DOTS = 0x04
-LCD_5x8DOTS = 0x00
-
-# flags for backlight control
-LCD_BACKLIGHT = 0x08
-LCD_NOBACKLIGHT = 0x00
-
-En = 0b00000100 # Enable bit
-Rw = 0b00000010 # Read/Write bit
-Rs = 0b00000001 # Register select bit
-
-class lcd:
-   #initializes objects and lcd
-   def __init__(self):
-      self.lcd_device = i2c_device(ADDRESS)
-
-      self.lcd_write(0x03)
-      self.lcd_write(0x03)
-      self.lcd_write(0x03)
-      self.lcd_write(0x02)
-
-      self.lcd_write(LCD_FUNCTIONSET | LCD_2LINE | LCD_5x8DOTS | LCD_4BITMODE)
-      self.lcd_write(LCD_DISPLAYCONTROL | LCD_DISPLAYON)
-      self.lcd_write(LCD_CLEARDISPLAY)
-      self.lcd_write(LCD_ENTRYMODESET | LCD_ENTRYLEFT)
-      sleep(0.2)
-
-
-   # clocks EN to latch command
-   def lcd_strobe(self, data):
-      self.lcd_device.write_cmd(data | En | LCD_BACKLIGHT)
-      sleep(.0005)
-      self.lcd_device.write_cmd(((data & ~En) | LCD_BACKLIGHT))
-      sleep(.0001)
-
-   def lcd_write_four_bits(self, data):
-      self.lcd_device.write_cmd(data | LCD_BACKLIGHT)
-      self.lcd_strobe(data)
-
-   # write a command to lcd
-   def lcd_write(self, cmd, mode=0):
-      self.lcd_write_four_bits(mode | (cmd & 0xF0))
-      self.lcd_write_four_bits(mode | ((cmd << 4) & 0xF0))
-
-   # write a character to lcd (or character rom) 0x09: backlight | RS=DR<
-   # works!
-   def lcd_write_char(self, charvalue, mode=1):
-      self.lcd_write_four_bits(mode | (charvalue & 0xF0))
-      self.lcd_write_four_bits(mode | ((charvalue << 4) & 0xF0))
-  
-   # put string function with optional char positioning
-   def lcd_display_string(self, string, line=1, pos=0):
-    if line == 1:
-      pos_new = pos
-    elif line == 2:
-      pos_new = 0x40 + pos
-    elif line == 3:
-      pos_new = 0x14 + pos
-    elif line == 4:
-      pos_new = 0x54 + pos
-
-    self.lcd_write(0x80 + pos_new)
-
-    for char in string:
-      self.lcd_write(ord(char), Rs)
-
-   # clear lcd and set to home
-   def lcd_clear(self):
-      self.lcd_write(LCD_CLEARDISPLAY)
-      self.lcd_write(LCD_RETURNHOME)
-
-   # define backlight on/off (lcd.backlight(1); off= lcd.backlight(0)
-   def backlight(self, state): # for state, 1 = on, 0 = off
-      if state == 1:
-         self.lcd_device.write_cmd(LCD_BACKLIGHT)
-      elif state == 0:
-         self.lcd_device.write_cmd(LCD_NOBACKLIGHT)
-
-   # add custom characters (0 - 7)
-   def lcd_load_custom_chars(self, fontdata):
-      self.lcd_write(0x40);
-      for char in fontdata:
-         for line in char:
-            self.lcd_write_char(line)