| commit | author | age | ||
| bd2ed9 | 1 | from __future__ import division |
| JK | 2 | |
| 3 | import serial | |
| 4 | ||
| 5 | class Axiohm: | |
| 6 | CODEPAGE_437 = 0 | |
| 7 | CODEPAGE_850 = 1 | |
| 8 | CODEPAGE_852 = 2 | |
| 9 | CODEPAGE_860 = 3 | |
| 10 | CODEPAGE_863 = 4 | |
| 11 | CODEPAGE_865 = 5 | |
| 12 | CODEPAGE_858 = 6 | |
| 13 | CODEPAGE_866 = 7 | |
| 14 | ||
| 15 | codepage_mapping = { | |
| 16 | CODEPAGE_437: 'cp437', | |
| 17 | CODEPAGE_850: 'cp850', | |
| 18 | CODEPAGE_852: 'cp852', | |
| 19 | CODEPAGE_860: 'cp860', | |
| 20 | CODEPAGE_863: 'cp863', | |
| 21 | CODEPAGE_865: 'cp865', | |
| 22 | CODEPAGE_866: 'cp866', | |
| 23 | } | |
| 24 | ||
| 25 | CUT_MODE_PARTIAL = 0 | |
| 26 | CUT_MODE_PARTIAL_FEED = 66 | |
| 27 | CUT_MODE_FULL = 1 | |
| 28 | CUT_MODE_FULL_FEED = 65 | |
| 29 | ||
| 30 | BARCODE_TEXT_NONE = 0 | |
| 31 | BARCODE_TEXT_ABOVE = 1 | |
| 32 | BARCODE_TEXT_BELOW = 2 | |
| 33 | BARCODE_TEXT_BOTH = 3 | |
| 34 | ||
| 35 | BARCODE_UPCA = 65 | |
| 36 | BARCODE_UPCE = 66 | |
| 37 | BARCODE_EAN13 = 67 | |
| 38 | BARCODE_EAN8 = 68 | |
| 39 | BARCODE_CODE39 = 69 | |
| 40 | BARCODE_INT2OF5 = 70 | |
| 41 | BARCODE_CODABAR = 71 | |
| 42 | BARCODE_CODE93 = 72 | |
| 43 | BARCODE_CODE128 = 73 | |
| 44 | BARCODE_PDF417 = 75 | |
| 45 | ||
| 46 | STATION_RECEIPT = 1 | |
| 47 | STATION_SLIP = 4 | |
| 48 | ||
| 49 | ALIGN_LEFT = 0 | |
| 50 | ALIGN_CENTER = 1 | |
| 51 | ALIGN_RIGHT = 2 | |
| 52 | ||
| 53 | PITCH_STANDARD = 0 | |
| 54 | PITCH_COMPRESSED = 1 | |
| 55 | ||
| 56 | def __init__(self, **kwargs): | |
| 57 | self.serial = serial.Serial(**kwargs) | |
| 58 | self.currentStation = self.STATION_RECEIPT | |
| 59 | self.currentCodepage = self.CODEPAGE_437 | |
| 60 | ||
| 61 | # CONTROL | |
| 62 | ||
| 63 | def beep(self): | |
| 64 | self.serial.write("\x1b\x07") | |
| 65 | ||
| 66 | def reset(self): | |
| 67 | self.currentStation = self.STATION_RECEIPT | |
| 68 | self.currentCodepage = self.CODEPAGE_437 | |
| 69 | self.serial.write("\x1b\x40") | |
| 70 | ||
| 71 | def selectReceipt(self): | |
| 72 | self.currentStation = self.STATION_RECEIPT | |
| 73 | self.serial.write("\x1e") | |
| 74 | ||
| 75 | def selectSlip(self): | |
| 76 | self.currentStation = self.STATION_SLIP | |
| 77 | self.serial.write("\x1c") | |
| 78 | ||
| 79 | def getStatus(self): | |
| 80 | self.serial.write("\x1b\x76") | |
| 81 | data = ord(self.serial.read(1)) | |
| 82 | return { | |
| 83 | 'receiptPaperLow': ((data & 0x01) != 0), | |
| 84 | 'receiptCoverOpen': ((data & 0x02) != 0), | |
| 85 | 'receiptPaperOut': ((data & 0x04) != 0), | |
| 86 | 'jam': ((data & 0x08) != 0), | |
| 87 | 'leadingEdge': ((data & 0x20) != 0), | |
| 88 | 'trailingEdge': ((data & 0x40) != 0), | |
| 89 | 'headOverheat': ((data & 0x80) != 0), | |
| 90 | } | |
| 91 | ||
| 92 | def getModel(self): | |
| 93 | self.serial.write("\x1d\x49\x01") | |
| 94 | model = ord(self.serial.read(1)) | |
| 95 | self.serial.write("\x1d\x49\x02") | |
| 96 | type = ord(self.serial.read(1)) | |
| 97 | ||
| 98 | knownModels = { | |
| 99 | 28: "Axiohm A758", | |
| 100 | 26: "Axiohm A756", | |
| 101 | } | |
| 102 | modelName = "Unknown" | |
| 103 | if model in knownModels: | |
| 104 | modelName = knownModels[model] | |
| 105 | ||
| 106 | return { | |
| 107 | 'model': model, | |
| 108 | 'modelName': modelName, | |
| 109 | 'twoByteCode': ((type & 0x01) != 0), | |
| 110 | 'knife': ((type & 0x02) != 0), | |
| 111 | 'micr': ((type & 0x08) != 0), | |
| 112 | } | |
| 113 | ||
| 114 | # CUTTING | |
| 115 | ||
| 116 | def cutMode(self, mode, offset=0): | |
| 117 | self.serial.write("\x1d\x56" + chr(mode)) | |
| 118 | if mode == 65 or mode == 66: | |
| 119 | self.serial.write(chr(offset)) | |
| 120 | ||
| 121 | def cutFeedFull(self): | |
| 122 | self.cutMode(Axiohm.CUT_MODE_FULL_FEED) | |
| 123 | ||
| 124 | def cutFeedPartial(self): | |
| 125 | self.cutMode(Axiohm.CUT_MODE_PARTIAL_FEED) | |
| 126 | ||
| 127 | def cutFull(self): | |
| 128 | self.serial.write("\x1b\x69") | |
| 129 | ||
| 130 | def cutPartial(self): | |
| 131 | self.serial.write("\x1b\x6d") | |
| 132 | ||
| 133 | def cut(self): | |
| 134 | self.cutFeedFull() | |
| 135 | ||
| 136 | # FORMATTING | |
| 137 | ||
| 138 | def clear(self): | |
| 139 | self.serial.write("\x10") | |
| 140 | ||
| 141 | def setDoubleWide(self): | |
| 142 | self.serial.write("\x12") | |
| 143 | ||
| 144 | def setSingleWide(self): | |
| 145 | self.serial.write("\x13") | |
| 146 | ||
| 147 | def setPitch(self, pitch = PITCH_STANDARD): | |
| 148 | self.serial.write("\x1b\x16" + chr(pitch)) | |
| 149 | ||
| 150 | def setCodePage(self, codepage): | |
| 151 | self.currentCodepage = codepage | |
| 152 | self.serial.write("\x1b\x52" + chr(codepage)) | |
| 153 | ||
| 154 | def rotateCCW(self): | |
| 155 | self.serial.write("\x1b\x12") | |
| 156 | ||
| 157 | def rotateCW(self): | |
| 158 | self.serial.write("\x1b\x56\x01") | |
| 159 | ||
| 160 | def upsideDown(self): | |
| 161 | self.serial.write("\x1b\x7b\x01") | |
| 162 | ||
| 163 | def align(self, alignment): | |
| 164 | assert self.currentStation != self.STATION_SLIP, 'Slip station prints cannot be aligned' | |
| 165 | self.serial.write("\x1b\x61" + chr(alignment)) | |
| 166 | ||
| 167 | def alignLeft(self): | |
| 168 | self.align(self.ALIGN_LEFT) | |
| 169 | ||
| 170 | def alignCenter(self): | |
| 171 | self.align(self.ALIGN_CENTER) | |
| 172 | ||
| 173 | def alignRight(self): | |
| 174 | self.align(self.ALIGN_RIGHT) | |
| 175 | ||
| 176 | def setBarcodeTextLocation(self, location = BARCODE_TEXT_NONE): | |
| 177 | self.serial.write("\x1d\x48" + chr(location)) | |
| 178 | ||
| 179 | def setBarcodeTextPitch(self, pitch = PITCH_STANDARD): | |
| 180 | self.serial.write("\x1d\x66" + chr(pitch)) | |
| 181 | ||
| 182 | def setBarcodeHeight(self, width): | |
| 183 | self.serial.write("\x1d\x68" + chr(width)) | |
| 184 | ||
| 185 | def setBarcodeHeightInches(self, inches = 1): | |
| 186 | if self.currentStation == self.STATION_SLIP: | |
| 187 | self.setBarcodeHeight(int(inches * 216)) | |
| 188 | else: | |
| 189 | self.setBarcodeHeight(int(inches * 203)) | |
| 190 | ||
| 191 | def setBarcodeHeightMilimeters(self, milimeters = 8.5): | |
| 192 | if self.currentStation == self.STATION_SLIP: | |
| 193 | self.setBarcodeHeight(int(milimeters / 8.5)) | |
| 194 | else: | |
| 195 | self.setBarcodeHeight(int(milimeters / 8)) | |
| 196 | ||
| 197 | # FEEDING | |
| 198 | ||
| 199 | def feedLines(self, lines = 1): | |
| 200 | if lines < 0: | |
| 201 | assert self.currentStation != self.STATION_SLIP, 'Receipt station cannot be reverse feed' | |
| 202 | lines = -lines | |
| 203 | self.serial.write("\x1d") | |
| 204 | self.serial.write("\x14" + chr(lines)) | |
| 205 | ||
| 206 | def feedDots(self, dots = 1): | |
| 207 | if dots < 0: | |
| 208 | assert self.currentStation != self.STATION_SLIP, 'Receipt station cannot be reverse feed' | |
| 209 | dots = -dots | |
| 210 | self.serial.write("\x1d") | |
| 211 | ||
| 212 | while(dots > 255): | |
| 213 | self.serial.write("\x15\xff") | |
| 214 | dots -= 255 | |
| 215 | ||
| 216 | self.serial.write("\x15" + chr(dots)) | |
| 217 | ||
| 218 | def feedInches(self, inches = 0.1): | |
| 219 | if self.currentStation == self.STATION_SLIP: | |
| 220 | self.feedDots(int(inches * 72)) | |
| 221 | else: | |
| 222 | self.feedDots(int(inches * 203)) | |
| 223 | ||
| 224 | def feedMilimeters(self, milimeters = 10): | |
| 225 | if self.currentStation == self.STATION_SLIP: | |
| 226 | self.feedDots(int(milimeters * 19 / 2.388)) | |
| 227 | else: | |
| 228 | self.feedDots(int(milimeters * 7 / 2.47)) | |
| 229 | ||
| 230 | # PRINT POSITION | |
| 231 | ||
| 232 | def moveAbsolute(self, dots): | |
| 233 | self.serial.write("\x1b\x24" + chr(dots % 256) + chr(int(dots/256))) | |
| 234 | ||
| 235 | def moveAbsoluteInches(self, inches): | |
| 236 | if self.currentStation == self.STATION_SLIP: | |
| 237 | self.moveAbsolute(int(inches * 660 / 4.752)) | |
| 238 | else: | |
| 239 | self.moveAbsolute(int(inches * 576 / 2.835)) | |
| 240 | ||
| 241 | def moveAbsoluteMilimeters(self, milimeters): | |
| 242 | if self.currentStation == self.STATION_SLIP: | |
| 243 | self.moveAbsolute(int(milimeters * 660 / 120.7)) | |
| 244 | else: | |
| 245 | self.moveAbsolute(int(milimeters * 576 / 72)) | |
| 246 | ||
| 247 | def moveRelative(self, dots): | |
| 248 | if dots < 0: | |
| 249 | dots = 65536 + dots | |
| 250 | self.serial.write("\x1b\x5c" + chr(dots % 256) + chr(int(dots/256))) | |
| 251 | ||
| 252 | def moveRelativeInches(self, inches): | |
| 253 | if self.currentStation == self.STATION_SLIP: | |
| 254 | self.moveRelative(int(inches * 660 / 4.752)) | |
| 255 | else: | |
| 256 | self.moveRelative(int(inches * 576 / 2.835)) | |
| 257 | ||
| 258 | def moveRelativeMilimeters(self, milimeters): | |
| 259 | if self.currentStation == self.STATION_SLIP: | |
| 260 | self.moveRelative(int(milimeters * 660 / 120.7)) | |
| 261 | else: | |
| 262 | self.moveRelative(int(milimeters * 576 / 72)) | |
| 263 | ||
| 264 | # PRINTING | |
| 265 | ||
| 266 | def printUnicode(self, line=""): | |
| 267 | printData = "" | |
| 268 | for char in line: | |
| 269 | try: | |
| 270 | printData += char.encode(self.codepage_mapping[self.currentCodepage]) | |
| 271 | except ValueError: | |
| 272 | for codepage, encoding in self.codepage_mapping.iteritems(): | |
| 273 | try: | |
| 274 | charEncoded = char.encode(encoding) | |
| 275 | self.currentCodepage = codepage | |
| 276 | printData += "\x1b\x52" + chr(codepage) + charEncoded | |
| 277 | break | |
| 278 | except ValueError: | |
| 279 | pass | |
| 280 | else: | |
| 281 | raise | |
| 282 | self.printText(printData) | |
| 283 | ||
| 284 | def printText(self, lines): | |
| 285 | self.serial.write(lines) | |
| 286 | ||
| 287 | def printLine(self, line=""): | |
| 288 | self.printText(line + "\r\n") | |
| 289 | ||
| 290 | def printLineUnicode(self, line=""): | |
| 291 | self.printUnicode(line + "\r\n") | |
| 292 | ||
| 293 | def printBarcode(self, type, data): | |
| 294 | assert(type > 64) | |
| 295 | self.serial.write("\x1d\x6b" + chr(type) + chr(len(data)) + data) | |
| 296 | ||
| 297 | def printLinesRotatedCCW(self, lines, startingPosition = 0): | |
| 298 | maxLineLength = max([len(line) for line in lines]) | |
| 299 | lines = [line.ljust(maxLineLength, ' ') for line in lines] | |
| 300 | ||
| 301 | self.rotateCCW() | |
| 302 | for column in xrange(maxLineLength-1, -1, -1): | |
| 303 | if startingPosition != 0: | |
| 304 | self.moveAbsolute(startingPosition) | |
| 305 | self.printLineUnicode(''.join([line[column] for line in lines])) | |
| 306 | ||
| 307 | # SLIP | |
| 308 | ||
| 309 | def waitForSlip(self): | |
| 310 | self.serial.write("\x1b\x63\x30\x04") | |
| 311 | ||
| 312 | def ejectSlip(self): | |
| 313 | self.serial.write("\x0c") | |
