On Time RTOS-32 Documentation

RTUSB-32 Programming Manual

RTUSB-32 Reference Manual

Device Configuration

Keyboard Class Driver

Mouse Class Driver

Touch Screen Driver

Printer Class Driver

Function USBPrinter

Function USBPrinterInfo

Function USBPrinterStatus

Function USBPrinterInit

Function USBPrintData

Function USBPrintCancel

Mass Storage Class Driver

AX772 USB-Ethernet Driver

AX172 USB-Ethernet Driver

CDC ECM USB-Ethernet Driver

Audio Class Driver

Media Transfer Protocol Class Driver

RTUSB-32 Error Codes and Diagnostics

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Function USBPrintCancel

USBPrintCancel cancels any pending I/O to a USB printer:

BYTE USBPrintCancel(int PrinterIndex);

Parameters

PrinterIndex

Index of the USB printer to cancel I/O on in the range 0 to 3.

return value

Status bit map of the printer. See USBPrinterStatus for details.

This function merely stops all I/O to the printer, but it does not discard any data already sent to the printer residing in the printer's buffer. To discard such data, use USBPrinterInit.

Function USBPrintData