python-escpos/escpos/constants.py

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""" ESC/POS Commands (Constants) """
# Feed control sequences
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CTL_LF = b'\x0a' # Print and line feed
CTL_FF = b'\x0c' # Form feed
CTL_CR = b'\x0d' # Carriage return
CTL_HT = b'\x09' # Horizontal tab
CTL_VT = b'\x0b' # Vertical tab
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# Printer hardware
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HW_INIT = b'\x1b\x40' # Clear data in buffer and reset modes
HW_SELECT = b'\x1b\x3d\x01' # Printer select
HW_RESET = b'\x1b\x3f\x0a\x00' # Reset printer hardware
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# Cash Drawer
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CD_KICK_2 = b'\x1b\x70\x00' # Sends a pulse to pin 2 []
CD_KICK_5 = b'\x1b\x70\x01' # Sends a pulse to pin 5 []
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# Paper
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PAPER_FULL_CUT = b'\x1d\x56\x00' # Full cut paper
PAPER_PART_CUT = b'\x1d\x56\x01' # Partial cut paper
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# Text format
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TXT_NORMAL = b'\x1b\x21\x00' # Normal text
TXT_2HEIGHT = b'\x1b\x21\x10' # Double height text
TXT_2WIDTH = b'\x1b\x21\x20' # Double width text
TXT_4SQUARE = b'\x1b\x21\x30' # Quad area text
TXT_UNDERL_OFF = b'\x1b\x2d\x00' # Underline font OFF
TXT_UNDERL_ON = b'\x1b\x2d\x01' # Underline font 1-dot ON
TXT_UNDERL2_ON = b'\x1b\x2d\x02' # Underline font 2-dot ON
TXT_BOLD_OFF = b'\x1b\x45\x00' # Bold font OFF
TXT_BOLD_ON = b'\x1b\x45\x01' # Bold font ON
TXT_FONT_A = b'\x1b\x4d\x00' # Font type A
TXT_FONT_B = b'\x1b\x4d\x01' # Font type B
TXT_ALIGN_LT = b'\x1b\x61\x00' # Left justification
TXT_ALIGN_CT = b'\x1b\x61\x01' # Centering
TXT_ALIGN_RT = b'\x1b\x61\x02' # Right justification
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# Barcode format
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BARCODE_TXT_OFF = b'\x1d\x48\x00' # HRI barcode chars OFF
BARCODE_TXT_ABV = b'\x1d\x48\x01' # HRI barcode chars above
BARCODE_TXT_BLW = b'\x1d\x48\x02' # HRI barcode chars below
BARCODE_TXT_BTH = b'\x1d\x48\x03' # HRI barcode chars both above and below
BARCODE_FONT_A = b'\x1d\x66\x00' # Font type A for HRI barcode chars
BARCODE_FONT_B = b'\x1d\x66\x01' # Font type B for HRI barcode chars
BARCODE_HEIGHT = b'\x1d\x68\x64' # Barcode Height [1-255]
BARCODE_WIDTH = b'\x1d\x77\x03' # Barcode Width [2-6]
BARCODE_UPC_A = b'\x1d\x6b\x00' # Barcode type UPC-A
BARCODE_UPC_E = b'\x1d\x6b\x01' # Barcode type UPC-E
BARCODE_EAN13 = b'\x1d\x6b\x02' # Barcode type EAN13
BARCODE_EAN8 = b'\x1d\x6b\x03' # Barcode type EAN8
BARCODE_CODE39 = b'\x1d\x6b\x04' # Barcode type CODE39
BARCODE_ITF = b'\x1d\x6b\x05' # Barcode type ITF
BARCODE_NW7 = b'\x1d\x6b\x06' # Barcode type NW7
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# Image format
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S_RASTER_N = b'\x1d\x76\x30\x00' # Set raster image normal size
S_RASTER_2W = b'\x1d\x76\x30\x01' # Set raster image double width
S_RASTER_2H = b'\x1d\x76\x30\x02' # Set raster image double height
S_RASTER_Q = b'\x1d\x76\x30\x03' # Set raster image quadruple