Moving libs into separate own directory

1 files changed, 0 insertions, 477 deletions

diff --git a/Adafruit_Python_CharLCD/Adafruit_CharLCD/Adafruit_CharLCD.py b/Adafruit_Python_CharLCD/Adafruit_CharLCD/Adafruit_CharLCD.py
deleted file mode 100755
index b900799..0000000
--- a/Adafruit_Python_CharLCD/Adafruit_CharLCD/Adafruit_CharLCD.py
+++ /dev/null
@@ -1,477 +0,0 @@
-# Copyright (c) 2014 Adafruit Industries
-# Author: Tony DiCola
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
-import time
-
-import Adafruit_GPIO as GPIO
-import Adafruit_GPIO.I2C as I2C
-import Adafruit_GPIO.MCP230xx as MCP
-import Adafruit_GPIO.PWM as PWM
-
-
-# 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
-
-# Entry flags
-LCD_ENTRYRIGHT          = 0x00
-LCD_ENTRYLEFT           = 0x02
-LCD_ENTRYSHIFTINCREMENT = 0x01
-LCD_ENTRYSHIFTDECREMENT = 0x00
-
-# Control flags
-LCD_DISPLAYON           = 0x04
-LCD_DISPLAYOFF          = 0x00
-LCD_CURSORON            = 0x02
-LCD_CURSOROFF           = 0x00
-LCD_BLINKON             = 0x01
-LCD_BLINKOFF            = 0x00
-
-# Move flags
-LCD_DISPLAYMOVE         = 0x08
-LCD_CURSORMOVE          = 0x00
-LCD_MOVERIGHT           = 0x04
-LCD_MOVELEFT            = 0x00
-
-# Function set flags
-LCD_8BITMODE            = 0x10
-LCD_4BITMODE            = 0x00
-LCD_2LINE               = 0x08
-LCD_1LINE               = 0x00
-LCD_5x10DOTS            = 0x04
-LCD_5x8DOTS             = 0x00
-
-# Offset for up to 4 rows.
-LCD_ROW_OFFSETS         = (0x00, 0x40, 0x14, 0x54)
-
-# Char LCD plate GPIO numbers.
-LCD_PLATE_RS            = 15
-LCD_PLATE_RW            = 14
-LCD_PLATE_EN            = 13
-LCD_PLATE_D4            = 12
-LCD_PLATE_D5            = 11
-LCD_PLATE_D6            = 10
-LCD_PLATE_D7            = 9
-LCD_PLATE_RED           = 6
-LCD_PLATE_GREEN         = 7
-LCD_PLATE_BLUE          = 8
-
-# Char LCD plate button names.
-SELECT                  = 0
-RIGHT                   = 1
-DOWN                    = 2
-UP                      = 3
-LEFT                    = 4
-
-# Char LCD backpack GPIO numbers.
-LCD_BACKPACK_RS         = 1
-LCD_BACKPACK_EN         = 2
-LCD_BACKPACK_D4         = 3
-LCD_BACKPACK_D5         = 4
-LCD_BACKPACK_D6         = 5
-LCD_BACKPACK_D7         = 6
-LCD_BACKPACK_LITE       = 7
-
-class Adafruit_CharLCD(object):
-    """Class to represent and interact with an HD44780 character LCD display."""
-
-    def __init__(self, rs, en, d4, d5, d6, d7, cols, lines, backlight=None,
-                    invert_polarity=True,
-                    enable_pwm=False,
-                    gpio=GPIO.get_platform_gpio(),
-                    pwm=PWM.get_platform_pwm(),
-                    initial_backlight=1.0):
-        """Initialize the LCD.  RS, EN, and D4...D7 parameters should be the pins
-        connected to the LCD RS, clock enable, and data line 4 through 7 connections.
-        The LCD will be used in its 4-bit mode so these 6 lines are the only ones
-        required to use the LCD.  You must also pass in the number of columns and
-        lines on the LCD.  
-
-        If you would like to control the backlight, pass in the pin connected to
-        the backlight with the backlight parameter.  The invert_polarity boolean
-        controls if the backlight is one with a LOW signal or HIGH signal.  The 
-        default invert_polarity value is True, i.e. the backlight is on with a
-        LOW signal.  
-
-        You can enable PWM of the backlight pin to have finer control on the 
-        brightness.  To enable PWM make sure your hardware supports PWM on the 
-        provided backlight pin and set enable_pwm to True (the default is False).
-        The appropriate PWM library will be used depending on the platform, but
-        you can provide an explicit one with the pwm parameter.
-
-        The initial state of the backlight is ON, but you can set it to an 
-        explicit initial state with the initial_backlight parameter (0 is off,
-        1 is on/full bright).
-
-        You can optionally pass in an explicit GPIO class,
-        for example if you want to use an MCP230xx GPIO extender.  If you don't
-        pass in an GPIO instance, the default GPIO for the running platform will
-        be used.
-        """
-        # Save column and line state.
-        self._cols = cols
-        self._lines = lines
-        # Save GPIO state and pin numbers.
-        self._gpio = gpio
-        self._rs = rs
-        self._en = en
-        self._d4 = d4
-        self._d5 = d5
-        self._d6 = d6
-        self._d7 = d7
-        # Save backlight state.
-        self._backlight = backlight
-        self._pwm_enabled = enable_pwm
-        self._pwm = pwm
-        self._blpol = not invert_polarity
-        # Setup all pins as outputs.
-        for pin in (rs, en, d4, d5, d6, d7):
-            gpio.setup(pin, GPIO.OUT)
-        # Setup backlight.
-        if backlight is not None:
-            if enable_pwm:
-                pwm.start(backlight, self._pwm_duty_cycle(initial_backlight))
-            else:
-                gpio.setup(backlight, GPIO.OUT)
-                gpio.output(backlight, self._blpol if initial_backlight else not self._blpol)
-        # Initialize the display.
-        self.write8(0x33)
-        self.write8(0x32)
-        # Initialize display control, function, and mode registers.
-        self.displaycontrol = LCD_DISPLAYON | LCD_CURSOROFF | LCD_BLINKOFF
-        self.displayfunction = LCD_4BITMODE | LCD_1LINE | LCD_2LINE | LCD_5x8DOTS
-        self.displaymode = LCD_ENTRYLEFT | LCD_ENTRYSHIFTDECREMENT
-        # Write registers.
-        self.write8(LCD_DISPLAYCONTROL | self.displaycontrol)
-        self.write8(LCD_FUNCTIONSET | self.displayfunction)
-        self.write8(LCD_ENTRYMODESET | self.displaymode)  # set the entry mode
-        self.clear()
-
-    def home(self):
-        """Move the cursor back to its home (first line and first column)."""
-        self.write8(LCD_RETURNHOME)  # set cursor position to zero
-        self._delay_microseconds(3000)  # this command takes a long time!
-
-    def clear(self):
-        """Clear the LCD."""
-        self.write8(LCD_CLEARDISPLAY)  # command to clear display
-        self._delay_microseconds(3000)  # 3000 microsecond sleep, clearing the display takes a long time
-
-    def set_cursor(self, col, row):
-        """Move the cursor to an explicit column and row position."""
-        # Clamp row to the last row of the display.
-        if row > self._lines:
-            row = self._lines - 1
-        # Set location.
-        self.write8(LCD_SETDDRAMADDR | (col + LCD_ROW_OFFSETS[row]))
-
-    def enable_display(self, enable):
-        """Enable or disable the display.  Set enable to True to enable."""
-        if enable:
-            self.displaycontrol |= LCD_DISPLAYON
-        else:
-            self.displaycontrol &= ~LCD_DISPLAYON
-        self.write8(LCD_DISPLAYCONTROL | self.displaycontrol)
-
-    def show_cursor(self, show):
-        """Show or hide the cursor.  Cursor is shown if show is True."""
-        if show:
-            self.displaycontrol |= LCD_CURSORON
-        else:
-            self.displaycontrol &= ~LCD_CURSORON
-        self.write8(LCD_DISPLAYCONTROL | self.displaycontrol)
-
-    def blink(self, blink):
-        """Turn on or off cursor blinking.  Set blink to True to enable blinking."""
-        if blink:
-            self.displaycontrol |= LCD_BLINKON
-        else:
-            self.displaycontrol &= ~LCD_BLINKON
-        self.write8(LCD_DISPLAYCONTROL | self.displaycontrol)
-
-    def move_left(self):
-        """Move display left one position."""
-        self.write8(LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVELEFT)
-
-    def move_right(self):
-        """Move display right one position."""
-        self.write8(LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVERIGHT)
-
-    def set_left_to_right(self):
-        """Set text direction left to right."""
-        self.displaymode |= LCD_ENTRYLEFT
-        self.write8(LCD_ENTRYMODESET | self.displaymode)
-
-    def set_right_to_left(self):
-        """Set text direction right to left."""
-        self.displaymode &= ~LCD_ENTRYLEFT
-        self.write8(LCD_ENTRYMODESET | self.displaymode)
-
-    def autoscroll(self, autoscroll):
-        """Autoscroll will 'right justify' text from the cursor if set True,
-        otherwise it will 'left justify' the text.
-        """
-        if autoscroll:
-            self.displaymode |= LCD_ENTRYSHIFTINCREMENT
-        else:
-            self.displaymode &= ~LCD_ENTRYSHIFTINCREMENT
-        self.write8(LCD_ENTRYMODESET | self.displaymode)
-
-    def message(self, text):
-        """Write text to display.  Note that text can include newlines."""
-        line = 0
-        # Iterate through each character.
-        for char in text:
-            # Advance to next line if character is a new line.
-            if char == '\n':
-                line += 1
-                # Move to left or right side depending on text direction.
-                col = 0 if self.displaymode & LCD_ENTRYLEFT > 0 else self._cols-1
-                self.set_cursor(col, line)
-            # Write the character to the display.
-            else:
-                self.write8(ord(char), True)
-
-    def set_backlight(self, backlight):
-        """Enable or disable the backlight.  If PWM is not enabled (default), a
-        non-zero backlight value will turn on the backlight and a zero value will
-        turn it off.  If PWM is enabled, backlight can be any value from 0.0 to
-        1.0, with 1.0 being full intensity backlight.
-        """
-        if self._backlight is not None:
-            if self._pwm_enabled:
-                self._pwm.set_duty_cycle(self._backlight, self._pwm_duty_cycle(backlight))
-            else:
-                self._gpio.output(self._backlight, self._blpol if backlight else not self._blpol)
-
-    def write8(self, value, char_mode=False):
-        """Write 8-bit value in character or data mode.  Value should be an int
-        value from 0-255, and char_mode is True if character data or False if
-        non-character data (default).
-        """
-        # One millisecond delay to prevent writing too quickly.
-        self._delay_microseconds(1000)
-        # Set character / data bit.
-        self._gpio.output(self._rs, char_mode)
-        # Write upper 4 bits.
-        self._gpio.output_pins({ self._d4: ((value >> 4) & 1) > 0,
-                                 self._d5: ((value >> 5) & 1) > 0,
-                                 self._d6: ((value >> 6) & 1) > 0,
-                                 self._d7: ((value >> 7) & 1) > 0 })
-        self._pulse_enable()
-        # Write lower 4 bits.
-        self._gpio.output_pins({ self._d4: (value        & 1) > 0,
-                                 self._d5: ((value >> 1) & 1) > 0,
-                                 self._d6: ((value >> 2) & 1) > 0,
-                                 self._d7: ((value >> 3) & 1) > 0 })
-        self._pulse_enable()
-
-    def create_char(self, location, pattern):
-        """Fill one of the first 8 CGRAM locations with custom characters.
-        The location parameter should be between 0 and 7 and pattern should
-        provide an array of 8 bytes containing the pattern. E.g. you can easyly
-        design your custom character at http://www.quinapalus.com/hd44780udg.html
-        To show your custom character use eg. lcd.message('\x01')
-        """
-        # only position 0..7 are allowed
-        location &= 0x7
-        self.write8(LCD_SETCGRAMADDR | (location << 3))
-        for i in range(8):
-            self.write8(pattern[i], char_mode=True)
-
-    def _delay_microseconds(self, microseconds):
-        # Busy wait in loop because delays are generally very short (few microseconds).
-        end = time.time() + (microseconds/1000000.0)
-        while time.time() < end:
-            pass
-
-    def _pulse_enable(self):
-        # Pulse the clock enable line off, on, off to send command.
-        self._gpio.output(self._en, False)
-        self._delay_microseconds(1)       # 1 microsecond pause - enable pulse must be > 450ns
-        self._gpio.output(self._en, True)
-        self._delay_microseconds(1)       # 1 microsecond pause - enable pulse must be > 450ns
-        self._gpio.output(self._en, False)
-        self._delay_microseconds(1)       # commands need > 37us to settle
-
-    def _pwm_duty_cycle(self, intensity):
-        # Convert intensity value of 0.0 to 1.0 to a duty cycle of 0.0 to 100.0
-        intensity = 100.0*intensity
-        # Invert polarity if required.
-        if not self._blpol:
-            intensity = 100.0-intensity
-        return intensity
-
-
-class Adafruit_RGBCharLCD(Adafruit_CharLCD):
-    """Class to represent and interact with an HD44780 character LCD display with
-    an RGB backlight."""
-
-    def __init__(self, rs, en, d4, d5, d6, d7, cols, lines, red, green, blue,
-                 gpio=GPIO.get_platform_gpio(), 
-                 invert_polarity=True,
-                 enable_pwm=False,
-                 pwm=PWM.get_platform_pwm(),
-                 initial_color=(1.0, 1.0, 1.0)):
-        """Initialize the LCD with RGB backlight.  RS, EN, and D4...D7 parameters 
-        should be the pins connected to the LCD RS, clock enable, and data line 
-        4 through 7 connections. The LCD will be used in its 4-bit mode so these 
-        6 lines are the only ones required to use the LCD.  You must also pass in
-        the number of columns and lines on the LCD.
-
-        The red, green, and blue parameters define the pins which are connected
-        to the appropriate backlight LEDs.  The invert_polarity parameter is a
-        boolean that controls if the LEDs are on with a LOW or HIGH signal.  By
-        default invert_polarity is True, i.e. the backlight LEDs are on with a
-        low signal.  If you want to enable PWM on the backlight LEDs (for finer
-        control of colors) and the hardware supports PWM on the provided pins,
-        set enable_pwm to True.  Finally you can set an explicit initial backlight
-        color with the initial_color parameter.  The default initial color is
-        white (all LEDs lit).
-
-        You can optionally pass in an explicit GPIO class,
-        for example if you want to use an MCP230xx GPIO extender.  If you don't
-        pass in an GPIO instance, the default GPIO for the running platform will
-        be used.
-        """
-        super(Adafruit_RGBCharLCD, self).__init__(rs, en, d4, d5, d6, d7,
-                                                  cols,
-                                                  lines, 
-                                                  enable_pwm=enable_pwm,
-                                                  backlight=None,
-                                                  invert_polarity=invert_polarity,
-                                                  gpio=gpio, 
-                                                  pwm=pwm)
-        self._red = red
-        self._green = green
-        self._blue = blue
-        # Setup backlight pins.
-        if enable_pwm:
-            # Determine initial backlight duty cycles.
-            rdc, gdc, bdc = self._rgb_to_duty_cycle(initial_color)
-            pwm.start(red, rdc)
-            pwm.start(green, gdc)
-            pwm.start(blue, bdc)
-        else:
-            gpio.setup(red, GPIO.OUT)
-            gpio.setup(green, GPIO.OUT)
-            gpio.setup(blue, GPIO.OUT)
-            self._gpio.output_pins(self._rgb_to_pins(initial_color))
-
-    def _rgb_to_duty_cycle(self, rgb):
-        # Convert tuple of RGB 0-1 values to tuple of duty cycles (0-100).
-        red, green, blue = rgb
-        # Clamp colors between 0.0 and 1.0
-        red = max(0.0, min(1.0, red))
-        green = max(0.0, min(1.0, green))
-        blue = max(0.0, min(1.0, blue))
-        return (self._pwm_duty_cycle(red), 
-                self._pwm_duty_cycle(green),
-                self._pwm_duty_cycle(blue))
-
-    def _rgb_to_pins(self, rgb):
-        # Convert tuple of RGB 0-1 values to dict of pin values.
-        red, green, blue = rgb
-        return { self._red:   self._blpol if red else not self._blpol,
-                 self._green: self._blpol if green else not self._blpol,
-                 self._blue:  self._blpol if blue else not self._blpol }
-
-    def set_color(self, red, green, blue):
-        """Set backlight color to provided red, green, and blue values.  If PWM
-        is enabled then color components can be values from 0.0 to 1.0, otherwise
-        components should be zero for off and non-zero for on.
-        """
-        if self._pwm_enabled:
-            # Set duty cycle of PWM pins.
-            rdc, gdc, bdc = self._rgb_to_duty_cycle((red, green, blue))
-            self._pwm.set_duty_cycle(self._red, rdc)
-            self._pwm.set_duty_cycle(self._green, gdc)
-            self._pwm.set_duty_cycle(self._blue, bdc)
-        else:
-            # Set appropriate backlight pins based on polarity and enabled colors.
-            self._gpio.output_pins({self._red:   self._blpol if red else not self._blpol,
-                                    self._green: self._blpol if green else not self._blpol,
-                                    self._blue:  self._blpol if blue else not self._blpol })
-
-    def set_backlight(self, backlight):
-        """Enable or disable the backlight.  If PWM is not enabled (default), a
-        non-zero backlight value will turn on the backlight and a zero value will
-        turn it off.  If PWM is enabled, backlight can be any value from 0.0 to
-        1.0, with 1.0 being full intensity backlight.  On an RGB display this
-        function will set the backlight to all white.
-        """
-        self.set_color(backlight, backlight, backlight)
-
-
-
-class Adafruit_CharLCDPlate(Adafruit_RGBCharLCD):
-    """Class to represent and interact with an Adafruit Raspberry Pi character
-    LCD plate."""
-
-    def __init__(self, address=0x20, busnum=I2C.get_default_bus(), cols=16, lines=2):
-        """Initialize the character LCD plate.  Can optionally specify a separate
-        I2C address or bus number, but the defaults should suffice for most needs.
-        Can also optionally specify the number of columns and lines on the LCD
-        (default is 16x2).
-        """
-        # Configure MCP23017 device.
-        self._mcp = MCP.MCP23017(address=address, busnum=busnum)
-        # Set LCD R/W pin to low for writing only.
-        self._mcp.setup(LCD_PLATE_RW, GPIO.OUT)
-        self._mcp.output(LCD_PLATE_RW, GPIO.LOW)
-        # Set buttons as inputs with pull-ups enabled.
-        for button in (SELECT, RIGHT, DOWN, UP, LEFT):
-            self._mcp.setup(button, GPIO.IN)
-            self._mcp.pullup(button, True)
-        # Initialize LCD (with no PWM support).
-        super(Adafruit_CharLCDPlate, self).__init__(LCD_PLATE_RS, LCD_PLATE_EN,
-            LCD_PLATE_D4, LCD_PLATE_D5, LCD_PLATE_D6, LCD_PLATE_D7, cols, lines,
-            LCD_PLATE_RED, LCD_PLATE_GREEN, LCD_PLATE_BLUE, enable_pwm=False, 
-            gpio=self._mcp)
-
-    def is_pressed(self, button):
-        """Return True if the provided button is pressed, False otherwise."""
-        if button not in set((SELECT, RIGHT, DOWN, UP, LEFT)):
-            raise ValueError('Unknown button, must be SELECT, RIGHT, DOWN, UP, or LEFT.')
-        return self._mcp.input(button) == GPIO.LOW
-    
-
-class Adafruit_CharLCDBackpack(Adafruit_CharLCD):
-    """Class to represent and interact with an Adafruit I2C / SPI
-    LCD backpack using I2C."""
-    
-    def __init__(self, address=0x20, busnum=I2C.get_default_bus(), cols=16, lines=2):
-        """Initialize the character LCD plate.  Can optionally specify a separate
-        I2C address or bus number, but the defaults should suffice for most needs.
-        Can also optionally specify the number of columns and lines on the LCD
-        (default is 16x2).
-        """
-        # Configure the MCP23008 device.
-        self._mcp = MCP.MCP23008(address=address, busnum=busnum)
-        # Initialize LCD (with no PWM support).
-        super(Adafruit_CharLCDBackpack, self).__init__(LCD_BACKPACK_RS, LCD_BACKPACK_EN,
-            LCD_BACKPACK_D4, LCD_BACKPACK_D5, LCD_BACKPACK_D6, LCD_BACKPACK_D7,
-            cols, lines, LCD_BACKPACK_LITE, enable_pwm=False, gpio=self._mcp)
\ No newline at end of file