FileWrite (li_FileNum, 'instructions')
FileClose (li_FileNum)
Ls_port is a serial port LPT port can be, but not USB port, to solve
CodePudding user response:
Try to help you find a post, don't do a serial port communication for so long, can't remember,http://download.csdn.net/detail/leio/398950
CodePudding user response:
Thank Dersak, I want to ask is like be sent directly to the USB port instruction, so as to realize without driving printing function. I don't know which master can give advice or comments!CodePudding user response:
USB printer, but not without flooding,,,CodePudding user response:
Seems to be no usb, usb pos printers usually have the print command word, instruction can use PrintText sent to the printer, can look at the printer's manual,