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@@ -4,179 +4,10 @@ import os
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import sys
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import serial
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-
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-class Alpha:
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- # Display Modes (p89)
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- modes = {
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- "rotate": "a",
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- "hold": "b",
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- "flash": "c",
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- "roll_up": "e",
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- "roll_down": "f",
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- "roll_left": "g",
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- "roll_right": "h",
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- "wipe_up": "i",
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- "wipe_down": "j",
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- "wipe_left": "k",
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- "wipe_right": "l",
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- "scroll": "m",
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- "automode": "o",
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- "roll_in": "p",
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- "roll_out": "q",
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- "wipe_in": "r",
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- "wipe_out": "s",
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- "compressed_rotate": "t", # only available on certain sign models
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- "explode": "u", # alpha 3.0 protocol
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- "clock": "v", # alpha 3.0 protocol
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- # Special Modes
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- "twinkle": "n0",
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- "sparkle": "n1",
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- "snow": "n2",
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- "interlock": "n3",
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- "switch": "n4",
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- "slide": "n5", # only Betabrite 1036 (same as CYCLE_COLORS?)
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- "spray": "n6",
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- "starburst": "n7",
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- "welcome": "n8",
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- "slot_machine": "n9",
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- "news_flash": "nA", # only Betabrite 1036
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- "trumpet_animation": "nb", # only betabrite 1036
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- "cycle_colors": "nC", # only AlphaEclipse 3600
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- # Special Graphics (these display before the message)
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- "thank_you": "nS",
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- "no_smoking": "nU",
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- "dont_drive_drive": "nV",
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- "running_animal": "nW",
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- "fish_animation": "nW",
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- "fireworks": "nX",
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- "turbo_car": "nY",
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- "balloon_animation": "nY",
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- "cherry_bomb": "nZ",
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- }
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-
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- # Display Positions
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- positions = {
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- "middle_line": "\x20",
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- "top_line": "\x22",
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- "bottom_line": "\x26",
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- "fill": "\x30",
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- "left": "\x31",
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- "right": "\x32",
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- }
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-
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- # Character Sets
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- charsets = {
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- "five_high_std": "1",
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- "five_stroke": "2",
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- "seven_high_std": "3",
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- "seven_stroke": "4",
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- "seven_high_fancy": "5",
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- "ten_high_std": "6",
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- "seven_shadow": "7",
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- "full_height_fancy": "8",
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- "full_height_std": "9",
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- "seven_shadow_fancy": ":",
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- "five_wide": ";",
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- "seven_wide": "<",
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- "seven_fancy_wide": "=",
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- "wide_stroke_five": ">",
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- # The following four only work on Alpha 2.0 and Alpha 3.0 protocols
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- "five_high_cust": "W",
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- "seven_high_cust": "X",
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- "ten_high_cust": "Y",
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- "fifteen_high_cust": "Z",
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- }
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-
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- # Extended characters
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- extchars = {
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- "up_arrow": "\x64",
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- "down_arrow": "\x65",
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- "left_arrow": "\x66",
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- "right_arrow": "\x67",
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- "pacman": "\x68",
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- "sail_boat": "\x69",
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- "ball": "\x6A",
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- "telephone": "\x6B",
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- "heart": "\x6C",
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- "car": "\x6D",
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- "handicap": "\x6E",
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- "rhino": "\x6F",
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- "mug": "\x70",
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- "satellite_dish": "\x71",
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- "copyright_symbol": "\x72",
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- "male_symbol": "\x73",
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- "female_symbol": "\x74",
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- "bottle": "\x75",
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- "diskette": "\x76",
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- "printer": "\x77",
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- "musical_note": "\x78",
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- "infinity_symbol": "\x79",
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- }
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-
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- # Counters
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- # We have 5 of them.
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- counters = {
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- 1: "z",
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- 2: "{",
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- 3: "|",
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- 4: "}",
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- 5: "-",
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- }
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-
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- # Colors
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- colors = {
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- "red": "1",
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- "green": "2",
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- "amber": "3",
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- "dim_red": "4",
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- "dim_green": "5",
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- "brown": "6",
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- "orange": "7",
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- "yellow": "8",
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- "rainbow_1": "9",
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- "rainbow_2": "A",
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- "color_mix": "B",
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- "autocolor": "C",
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- }
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-
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- # Command Codes
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- WRITE_TEXT = "A" # Write TEXT file (p18)
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- READ_TEXT = "B" # Read TEXT file (p19)
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- WRITE_SPECIAL = "E" # Write SPECIAL FUNCTION commands (p21)
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- READ_SPECIAL = "F" # Read SPECIAL FUNCTION commands (p29)
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- WRITE_STRING = "G" # Write STRING (p37)
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- READ_STRING = "H" # Read STRING (p38)
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- WRITE_SMALL_DOTS = "I" # Write SMALL DOTS PICTURE file (p39)
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- READ_SMALL_DOTS = "J" # Read SMALL DOTS PICTURE file (p41)
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- WRITE_RGB_DOTS = "K" # Write RGB DOTS PICTURE file (p44)
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- READ_RGB_DOTS = "L" # Read RGB DOTS PICTURE file (p46)
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- WRITE_LARGE_DOTS = "M" # Write LARGE DOTS PICTURE file (p42)
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- READ_LARGE_DOTS = "N" # Read LARGE DOTS PICTURE file (p43)
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- WRITE_ALPHAVISION = "O" # Write ALPHAVISION BULLETIN (p48)
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- SET_TIMEOUT = "T" # Set Timeout Message (p118) (Alpha 2.0/3.0)
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-
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- # Constants used in transmission packets
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- NUL = "\x00" # NULL
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- SOH = "\x01" # Start of Header
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- STX = "\x02" # Start of TeXt (precedes a command code)
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- ETX = "\x03" # End of TeXt
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- EOT = "\x04" # End Of Transmission
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- #ENQ = "\x05" # Enquiry
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- #ACK = "\x06" # Acknowledge
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- BEL = "\x07" # Bell
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- BS = "\x08" # Backspace
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- HT = "\x09" # Horizontal tab
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- LF = "\x0A" # Line Feed
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- NL = "\x0A" # New Line
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- VT = "\x0B" # Vertical Tab
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- #FF = "\x0C" # Form Feed
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- #NP = "\x0C" # New Page
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- CR = "\x0D" # Carriage Return
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- CAN = "\x18" # Cancel
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- SUB = "\x1A" # Substitute (select charset)
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- ESC = "\x1B" # Escape character
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+import constants
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+class Alpha:
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def __init__(self, device="/dev/ttyS0"):
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self.device = device
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self.type = "Z" # Type Code (see protocol)
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@@ -206,8 +37,9 @@ class Alpha:
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self._conn.close()
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def _packet(self, contents):
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- pkt = ("%s%s%s%s%s%s%s" % (self.NUL * 5, self.SOH, self.type, self.address,
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- self.STX, contents, self.EOT))
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+ pkt = ("%s%s%s%s%s%s%s" % (constants.NUL * 5, constants.SOH, self.type,
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+ self.address, constants.STX, contents,
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+ constants.EOT))
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return pkt
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def _write(self, packet):
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@@ -220,9 +52,10 @@ class Alpha:
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def write_text(self, msg, label="A"):
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# [WRITE_TEXT][File Label][ESC][Display Position][Mode Code]
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# [Special Specifier][ASCII Message]
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- packet = self._packet("%s%s%s%s%s%s" % (self.WRITE_TEXT, label, self.ESC,
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- self.positions[self.position],
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- self.modes[self.mode],
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+ packet = self._packet("%s%s%s%s%s%s" % (constants.WRITE_TEXT, label,
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+ constants.ESC,
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+ constants.positions[self.position],
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+ constants.modes[self.mode],
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msg))
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self._write(packet)
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@@ -240,7 +73,7 @@ class Alpha:
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string_size = 125
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size_hex = "%04x" % string_size
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packet = self._packet("%s%s%s%s%s%s%s%s%s%s%s%s%s" %
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- (self.WRITE_SPECIAL, "\$",
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+ (constants.WRITE_SPECIAL, "\$",
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"A", # call label.. why does this matter?
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"A", # text file type
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"U", # this TEXT file is unlocked
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@@ -261,7 +94,7 @@ class Alpha:
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data: data to write
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label: STRING label to write
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"""
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- packet = self._packet("%s%s%s" % (self.WRITE_STRING, label, data))
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+ packet = self._packet("%s%s%s" % (constants.WRITE_STRING, label, data))
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self._write(packet)
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def call_string(self, string_label="1"):
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@@ -325,7 +158,7 @@ class Alpha:
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def clear_memory(self):
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"""Clear the sign's memory.
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"""
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- packet = self._packet("%s%s" % (self.WRITE_SPECIAL, "$"))
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+ packet = self._packet("%s%s" % (constants.WRITE_SPECIAL, "$"))
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self._write(packet)
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def beep(self, frequency=0, duration=0.1, repeat=0):
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@@ -352,7 +185,7 @@ class Alpha:
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elif repeat > 15:
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repeat = 15
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- packet = self._packet("%s%s%02X%X%X" % (self.WRITE_SPECIAL, "(2",
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+ packet = self._packet("%s%s%02X%X%X" % (constants.WRITE_SPECIAL, "(2",
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frequency, duration, repeat))
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self._write(packet)
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@@ -361,7 +194,7 @@ class Alpha:
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This is non-destructive and does not clear the sign's memory.
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"""
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- packet = self._packet("%s%s" % (self.WRITE_SPECIAL, ","))
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+ packet = self._packet("%s%s" % (constants.WRITE_SPECIAL, ","))
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self._write(packet)
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def set_day(self, day=None):
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@@ -374,7 +207,7 @@ class Alpha:
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"""
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if day is None or day < 1 or day > 7:
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day = datetime.datetime.today().weekday() + 1
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- packet = self._packet("%s%s%s" % (self.WRITE_SPECIAL, "&", day))
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+ packet = self._packet("%s%s%s" % (constants.WRITE_SPECIAL, "&", day))
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self._write(packet)
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def set_date(self, year=None, month=None, day=None):
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@@ -397,8 +230,8 @@ class Alpha:
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if day is None:
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day = today.day
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- packet = self._packet("%s%s%02d%02d%02d" % (self.WRITE_SPECIAL, ";",
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- year, month, day))
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+ packet = self._packet("%s%s%02d%02d%02d" % (constants.WRITE_SPECIAL, ";",
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+ year, month, day))
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self._write(packet)
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def set_time(self, hour=None, minute=None):
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@@ -416,8 +249,8 @@ class Alpha:
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if minute is None:
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minute = now.minute
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- packet = self._packet("%s%s%02d%02d" % (self.WRITE_SPECIAL, "\x20",
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- hour, minute))
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+ packet = self._packet("%s%s%02d%02d" % (constants.WRITE_SPECIAL, "\x20",
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+ hour, minute))
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self._write(packet)
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def set_time_format(self, format=1):
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@@ -430,7 +263,7 @@ class Alpha:
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if format < 0 or format > 1:
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format = 1
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byte = (format == 0) and "S" or "M"
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- packet = this._packet("%s%s%s" % (self.WRITE_SPECIAL, "\x27", byte))
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+ packet = this._packet("%s%s%s" % (constants.WRITE_SPECIAL, "\x27", byte))
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self._write(packet)
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def color(self, color="autocolor"):
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@@ -442,9 +275,9 @@ class Alpha:
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Returns:
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FIXME
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"""
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- if color not in self.colors:
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+ if color not in constants.colors:
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color = "autocolor"
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- return "%s%s" % ("\x1C", self.colors[color])
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+ return "%s%s" % ("\x1C", constants.colors[color])
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def charset(self, charset="five_high_std"):
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"""Returns control code for a specified character set.
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@@ -455,9 +288,9 @@ class Alpha:
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Returns:
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FIXME
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"""
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- if charset not in self.charsets:
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+ if charset not in constants.charsets:
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charset = "five_high_std"
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- return "%s%s" % ("\x1A", self.charsets[charset])
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+ return "%s%s" % ("\x1A", constants.charsets[charset])
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def extchar(self, extchar="left_arrow"):
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"""Returns control code for a specified extended character.
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@@ -468,9 +301,9 @@ class Alpha:
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Returns:
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FIXME
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"""
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- if extchar not in self.extchars:
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+ if extchar not in constants.extchars:
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extchar = "left_arrow"
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- return "%s%s" % ("\x08", self.extchars[extchar])
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+ return "%s%s" % ("\x08", constants.extchars[extchar])
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def spacing(self, option=0):
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"""Returns control code to set the character spacing.
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@@ -502,17 +335,3 @@ class Alpha:
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n = 20 + speed
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return chr(n)
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-
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-def main():
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- sign = Alpha("/dev/rfcomm0")
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- sign.debug = True
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- sign.connect()
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-
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- sign.clear_memory()
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- sign.soft_reset()
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-
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- sign.disconnect()
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-
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-
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-if __name__ == "__main__":
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- main()
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Matt Sparks