commit | author | age
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bd2ed9
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from __future__ import division |
JK |
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import serial |
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class Axiohm: |
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CODEPAGE_437 = 0 |
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CODEPAGE_850 = 1 |
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CODEPAGE_852 = 2 |
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CODEPAGE_860 = 3 |
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CODEPAGE_863 = 4 |
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CODEPAGE_865 = 5 |
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CODEPAGE_858 = 6 |
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CODEPAGE_866 = 7 |
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codepage_mapping = { |
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CODEPAGE_437: 'cp437', |
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CODEPAGE_850: 'cp850', |
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CODEPAGE_852: 'cp852', |
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CODEPAGE_860: 'cp860', |
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CODEPAGE_863: 'cp863', |
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CODEPAGE_865: 'cp865', |
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CODEPAGE_866: 'cp866', |
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} |
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CUT_MODE_PARTIAL = 0 |
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CUT_MODE_PARTIAL_FEED = 66 |
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CUT_MODE_FULL = 1 |
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CUT_MODE_FULL_FEED = 65 |
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BARCODE_TEXT_NONE = 0 |
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BARCODE_TEXT_ABOVE = 1 |
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BARCODE_TEXT_BELOW = 2 |
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BARCODE_TEXT_BOTH = 3 |
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BARCODE_UPCA = 65 |
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BARCODE_UPCE = 66 |
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BARCODE_EAN13 = 67 |
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BARCODE_EAN8 = 68 |
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BARCODE_CODE39 = 69 |
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BARCODE_INT2OF5 = 70 |
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BARCODE_CODABAR = 71 |
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BARCODE_CODE93 = 72 |
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BARCODE_CODE128 = 73 |
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BARCODE_PDF417 = 75 |
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STATION_RECEIPT = 1 |
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STATION_SLIP = 4 |
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ALIGN_LEFT = 0 |
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ALIGN_CENTER = 1 |
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ALIGN_RIGHT = 2 |
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PITCH_STANDARD = 0 |
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PITCH_COMPRESSED = 1 |
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def __init__(self, **kwargs): |
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self.serial = serial.Serial(**kwargs) |
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self.currentStation = self.STATION_RECEIPT |
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self.currentCodepage = self.CODEPAGE_437 |
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# CONTROL |
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def beep(self): |
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self.serial.write("\x1b\x07") |
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def reset(self): |
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self.currentStation = self.STATION_RECEIPT |
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self.currentCodepage = self.CODEPAGE_437 |
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self.serial.write("\x1b\x40") |
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def selectReceipt(self): |
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self.currentStation = self.STATION_RECEIPT |
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self.serial.write("\x1e") |
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def selectSlip(self): |
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self.currentStation = self.STATION_SLIP |
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self.serial.write("\x1c") |
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def getStatus(self): |
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self.serial.write("\x1b\x76") |
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data = ord(self.serial.read(1)) |
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return { |
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'receiptPaperLow': ((data & 0x01) != 0), |
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'receiptCoverOpen': ((data & 0x02) != 0), |
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'receiptPaperOut': ((data & 0x04) != 0), |
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'jam': ((data & 0x08) != 0), |
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'leadingEdge': ((data & 0x20) != 0), |
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'trailingEdge': ((data & 0x40) != 0), |
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'headOverheat': ((data & 0x80) != 0), |
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} |
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def getModel(self): |
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self.serial.write("\x1d\x49\x01") |
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model = ord(self.serial.read(1)) |
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self.serial.write("\x1d\x49\x02") |
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type = ord(self.serial.read(1)) |
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knownModels = { |
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28: "Axiohm A758", |
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26: "Axiohm A756", |
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} |
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modelName = "Unknown" |
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if model in knownModels: |
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modelName = knownModels[model] |
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return { |
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'model': model, |
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'modelName': modelName, |
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'twoByteCode': ((type & 0x01) != 0), |
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'knife': ((type & 0x02) != 0), |
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'micr': ((type & 0x08) != 0), |
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} |
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# CUTTING |
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def cutMode(self, mode, offset=0): |
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self.serial.write("\x1d\x56" + chr(mode)) |
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if mode == 65 or mode == 66: |
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self.serial.write(chr(offset)) |
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def cutFeedFull(self): |
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self.cutMode(Axiohm.CUT_MODE_FULL_FEED) |
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def cutFeedPartial(self): |
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self.cutMode(Axiohm.CUT_MODE_PARTIAL_FEED) |
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def cutFull(self): |
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self.serial.write("\x1b\x69") |
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def cutPartial(self): |
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self.serial.write("\x1b\x6d") |
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def cut(self): |
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self.cutFeedFull() |
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# FORMATTING |
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def clear(self): |
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self.serial.write("\x10") |
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def setDoubleWide(self): |
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self.serial.write("\x12") |
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def setSingleWide(self): |
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self.serial.write("\x13") |
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def setPitch(self, pitch = PITCH_STANDARD): |
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self.serial.write("\x1b\x16" + chr(pitch)) |
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def setCodePage(self, codepage): |
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self.currentCodepage = codepage |
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self.serial.write("\x1b\x52" + chr(codepage)) |
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def rotateCCW(self): |
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self.serial.write("\x1b\x12") |
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def rotateCW(self): |
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self.serial.write("\x1b\x56\x01") |
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def upsideDown(self): |
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self.serial.write("\x1b\x7b\x01") |
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def align(self, alignment): |
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assert self.currentStation != self.STATION_SLIP, 'Slip station prints cannot be aligned' |
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self.serial.write("\x1b\x61" + chr(alignment)) |
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def alignLeft(self): |
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self.align(self.ALIGN_LEFT) |
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def alignCenter(self): |
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self.align(self.ALIGN_CENTER) |
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def alignRight(self): |
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self.align(self.ALIGN_RIGHT) |
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def setBarcodeTextLocation(self, location = BARCODE_TEXT_NONE): |
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self.serial.write("\x1d\x48" + chr(location)) |
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def setBarcodeTextPitch(self, pitch = PITCH_STANDARD): |
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self.serial.write("\x1d\x66" + chr(pitch)) |
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a242be
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def setBarcodeHeight(self, height): |
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self.serial.write("\x1d\x68" + chr(height)) |
bd2ed9
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def setBarcodeHeightInches(self, inches = 1): |
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if self.currentStation == self.STATION_SLIP: |
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self.setBarcodeHeight(int(inches * 216)) |
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else: |
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self.setBarcodeHeight(int(inches * 203)) |
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def setBarcodeHeightMilimeters(self, milimeters = 8.5): |
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if self.currentStation == self.STATION_SLIP: |
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self.setBarcodeHeight(int(milimeters / 8.5)) |
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else: |
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self.setBarcodeHeight(int(milimeters / 8)) |
a242be
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def setBarcodeWidth(self, width): |
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self.serial.write("\x1d\x77" + chr(width)) |
bd2ed9
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# FEEDING |
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def feedLines(self, lines = 1): |
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if lines < 0: |
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assert self.currentStation != self.STATION_SLIP, 'Receipt station cannot be reverse feed' |
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lines = -lines |
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self.serial.write("\x1d") |
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self.serial.write("\x14" + chr(lines)) |
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def feedDots(self, dots = 1): |
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if dots < 0: |
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assert self.currentStation != self.STATION_SLIP, 'Receipt station cannot be reverse feed' |
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dots = -dots |
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self.serial.write("\x1d") |
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while(dots > 255): |
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self.serial.write("\x15\xff") |
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dots -= 255 |
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self.serial.write("\x15" + chr(dots)) |
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def feedInches(self, inches = 0.1): |
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if self.currentStation == self.STATION_SLIP: |
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self.feedDots(int(inches * 72)) |
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else: |
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self.feedDots(int(inches * 203)) |
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def feedMilimeters(self, milimeters = 10): |
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if self.currentStation == self.STATION_SLIP: |
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self.feedDots(int(milimeters * 19 / 2.388)) |
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else: |
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self.feedDots(int(milimeters * 7 / 2.47)) |
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# PRINT POSITION |
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bd81c1
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def moveAbsolute(self, dots = 0): |
bd2ed9
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self.serial.write("\x1b\x24" + chr(dots % 256) + chr(int(dots/256))) |
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def moveAbsoluteInches(self, inches): |
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if self.currentStation == self.STATION_SLIP: |
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self.moveAbsolute(int(inches * 660 / 4.752)) |
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else: |
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self.moveAbsolute(int(inches * 576 / 2.835)) |
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def moveAbsoluteMilimeters(self, milimeters): |
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if self.currentStation == self.STATION_SLIP: |
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self.moveAbsolute(int(milimeters * 660 / 120.7)) |
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else: |
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self.moveAbsolute(int(milimeters * 576 / 72)) |
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def moveRelative(self, dots): |
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if dots < 0: |
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dots = 65536 + dots |
bd81c1
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bd2ed9
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self.serial.write("\x1b\x5c" + chr(dots % 256) + chr(int(dots/256))) |
JK |
255 |
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def moveRelativeInches(self, inches): |
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if self.currentStation == self.STATION_SLIP: |
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self.moveRelative(int(inches * 660 / 4.752)) |
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else: |
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self.moveRelative(int(inches * 576 / 2.835)) |
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def moveRelativeMilimeters(self, milimeters): |
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if self.currentStation == self.STATION_SLIP: |
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self.moveRelative(int(milimeters * 660 / 120.7)) |
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else: |
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self.moveRelative(int(milimeters * 576 / 72)) |
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bd81c1
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def marginLeft(self, dots = 0): |
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self.serial.write("\x1d\x4c" + chr(dots % 256) + chr(int(dots/256))) |
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bd2ed9
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# PRINTING |
JK |
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def printUnicode(self, line=""): |
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printData = "" |
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for char in line: |
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try: |
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printData += char.encode(self.codepage_mapping[self.currentCodepage]) |
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except ValueError: |
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for codepage, encoding in self.codepage_mapping.iteritems(): |
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try: |
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charEncoded = char.encode(encoding) |
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self.currentCodepage = codepage |
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printData += "\x1b\x52" + chr(codepage) + charEncoded |
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break |
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except ValueError: |
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pass |
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else: |
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raise |
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self.printText(printData) |
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def printText(self, lines): |
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self.serial.write(lines) |
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def printLine(self, line=""): |
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self.printText(line + "\r\n") |
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def printLineUnicode(self, line=""): |
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self.printUnicode(line + "\r\n") |
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def printBarcode(self, type, data): |
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assert(type > 64) |
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self.serial.write("\x1d\x6b" + chr(type) + chr(len(data)) + data) |
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|
a242be
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def printCode128(self, bytelist): |
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assert 103 <= bytelist[0] <= 105 |
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assert bytelist[1] < 103 |
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checksum = bytelist[0] |
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for i, item in enumerate(bytelist): |
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checksum = (checksum + i*item) % 103 |
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bytelist.append(checksum) |
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self.printBarcode(self.BARCODE_CODE128, str(bytearray(bytelist))) |
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|
bd2ed9
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def printLinesRotatedCCW(self, lines, startingPosition = 0): |
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maxLineLength = max([len(line) for line in lines]) |
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lines = [line.ljust(maxLineLength, ' ') for line in lines] |
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self.rotateCCW() |
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for column in xrange(maxLineLength-1, -1, -1): |
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if startingPosition != 0: |
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self.moveAbsolute(startingPosition) |
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self.printLineUnicode(''.join([line[column] for line in lines])) |
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# SLIP |
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def waitForSlip(self): |
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self.serial.write("\x1b\x63\x30\x04") |
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def ejectSlip(self): |
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self.serial.write("\x0c") |