diff --git a/AUTHORS b/AUTHORS index cc15f85..02a4211 100644 --- a/AUTHORS +++ b/AUTHORS @@ -1,9 +1,11 @@ Ahmed Tahri akeonly +Alejandro Hernández Alexander Bougakov Alex Debiasio Asuki Kono belono +B. Howell Brian Christoph Heuel Cody (Quantified Code Bot) @@ -11,6 +13,7 @@ csoft2k Curtis // mashedkeyboard Davis Goglin Dean Rispin +dependabot[bot] Dmytro Katyukha Gerard Marull-Paretas Hark @@ -21,6 +24,7 @@ Kristi ldos Lucy Linder Manuel F Martinez +Mathieu Poussin Maximilian Wagenbach Michael Billington Michael Elsdörfer diff --git a/src/escpos/constants.py b/src/escpos/constants.py index 80c921c..3c018db 100644 --- a/src/escpos/constants.py +++ b/src/escpos/constants.py @@ -77,6 +77,16 @@ LINE_DISPLAY_CLOSE = ESC + b"\x3d\x01" SHEET_SLIP_MODE = ESC + b"\x63\x30\x04" # slip paper SHEET_ROLL_MODE = ESC + b"\x63\x30\x01" # paper roll +# Slip specific codes +SLIP_EJECT = ESC + b"\x4b\xc0" # Eject the slip or cheque +SLIP_SELECT = FS # Select the slip station as default station +SLIP_SET_WAIT_TIME = ( + ESC + b"\x1b\x66" +) # Set timeout waiting for a slip/cheque to be inserted +SLIP_PRINT_AND_EJECT = ( + b"\x0c" # Print the buffer and eject (after waiting for the paper to be inserted) +) + # Text format # TODO: Acquire the "ESC/POS Application Programming Guide for Paper Roll # Printers" and tidy up this stuff too. diff --git a/src/escpos/escpos.py b/src/escpos/escpos.py index a5735e0..0788124 100644 --- a/src/escpos/escpos.py +++ b/src/escpos/escpos.py @@ -30,6 +30,11 @@ from .constants import ( QR_ECLEVEL_M, QR_ECLEVEL_H, QR_ECLEVEL_Q, + SHEET_ROLL_MODE, + SHEET_SLIP_MODE, + SLIP_PRINT_AND_EJECT, + SLIP_SELECT, + SLIP_EJECT, ) from .constants import ( QR_MODEL_1, @@ -1011,6 +1016,41 @@ class Escpos(object): if status[0] & RT_MASK_PAPER == RT_MASK_PAPER: return 2 + def target(self, type="ROLL"): + """Select where to print to + + Print to the thermal printer by default (ROLL) or + print to the slip dot matrix printer if supported (SLIP) + """ + if type.upper() == "ROLL": + self._raw(SHEET_ROLL_MODE) + elif type.upper() == "SLIP": + self._raw(SHEET_SLIP_MODE) + else: + raise ValueError("Unsupported target") + + def eject_slip(self): + """Eject the slip/cheque""" + self._raw(SLIP_EJECT) + + def print_and_eject_slip(self): + """Print and eject + + Prints data from the buffer to the slip station and if the paper + sensor is covered, reverses the slip out the front of the printer + far enough to be accessible to the operator. + The impact station opens the platen in all cases. + """ + self._raw(SLIP_PRINT_AND_EJECT) + + def use_slip_only(self): + """Selects the Slip Station for all functions. + + The receipt station is the default setting after the printer + is initialized or the Clear Printer (0x10) command is received + """ + self._raw(SLIP_SELECT) + class EscposIO(object): """ESC/POS Printer IO object