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Add constants for sheet mode, colors.

This commit is contained in:
Michael Elsdörfer 2016-08-25 16:17:58 +02:00
parent 5c3d7dab72
commit df0c874f6e
1 changed files with 12 additions and 0 deletions
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src/escpos/constants.py
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@ -55,11 +55,18 @@ _CUT_PAPER = lambda m: GS + b'V' + m
PAPER_FULL_CUT = _CUT_PAPER(b'\x00') # Full cut paper
PAPER_PART_CUT = _CUT_PAPER(b'\x01') # Partial cut paper
# Beep
BEEP = b'\x07'
# Panel buttons (e.g. the FEED button)
_PANEL_BUTTON = lambda n: ESC + b'c5' + six.int2byte(n)
PANEL_BUTTON_ON = _PANEL_BUTTON(0) # enable all panel buttons
PANEL_BUTTON_OFF = _PANEL_BUTTON(1) # disable all panel buttons
# Sheet modes
SHEET_SLIP_MODE = ESC + b'\x63\x30\x04' # slip paper
SHEET_ROLL_MODE = ESC + b'\x63\x30\x01' # paper roll
# Text format
# TODO: Acquire the "ESC/POS Application Programming Guide for Paper Roll
# Printers" and tidy up this stuff too.
@ -101,6 +108,11 @@ TXT_ALIGN_RT = ESC + b'\x61\x02' # Right justification
TXT_INVERT_ON = GS + b'\x42\x01' # Inverse Printing ON
TXT_INVERT_OFF = GS + b'\x42\x00' # Inverse Printing OFF
# Text colors
TXT_COLOR_BLACK = ESC + b'\x72\x00' # Default Color
TXT_COLOR_RED = ESC + b'\x72\x01' # Alternative Color (Usually Red)
# Char code table
CHARCODE_PC437 = ESC + b'\x74\x00' # USA: Standard Europe
CHARCODE_JIS = ESC + b'\x74\x01' # Japanese Katakana