diff options
Diffstat (limited to 'lib/lufa/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c')
| -rw-r--r-- | lib/lufa/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/lib/lufa/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c b/lib/lufa/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c deleted file mode 100644 index 7507891259..0000000000 --- a/lib/lufa/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c +++ /dev/null @@ -1,162 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2017. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaims all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -/** \file - * - * Printer Device commands, to send/receive data to and from an attached USB - * printer, and to send and receive Printer Class control requests. - */ - -#include "PrinterCommands.h" - -/** Sends the given data directly to the printer via the data endpoints, for the sending of print commands in printer - * languages accepted by the attached printer (e.g. PCL). - * - * \param[in] PrinterCommands Pointer to the data to send to the attached printer - * \param[in] CommandSize Size of the data to send to the attached printer - * - * \return A value from the Pipe_Stream_RW_ErrorCodes_t enum - */ -uint8_t Printer_SendData(const void* const PrinterCommands, - const uint16_t CommandSize) -{ - uint8_t ErrorCode; - - Pipe_SelectPipe(PRINTER_DATA_OUT_PIPE); - Pipe_Unfreeze(); - - if ((ErrorCode = Pipe_Write_Stream_LE(PrinterCommands, CommandSize, NULL)) != PIPE_RWSTREAM_NoError) - return ErrorCode; - - Pipe_ClearOUT(); - - Pipe_WaitUntilReady(); - - Pipe_Freeze(); - - return PIPE_RWSTREAM_NoError; -} - -/** Issues a Printer class Get Device ID command to the attached device, to retrieve the device ID string (which indicates - * the accepted printer languages, the printer's model and other pertinent information). - * - * \param[out] DeviceIDString Pointer to the destination where the returned string should be stored - * \param[in] BufferSize Size in bytes of the allocated buffer for the returned Device ID string - * - * \return A value from the USB_Host_SendControlErrorCodes_t enum - */ -uint8_t Printer_GetDeviceID(char* DeviceIDString, - const uint16_t BufferSize) -{ - uint8_t ErrorCode; - uint16_t DeviceIDStringLength = 0; - - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE), - .bRequest = PRNT_REQ_GetDeviceID, - .wValue = 0, - .wIndex = PrinterInterfaceNumber, - .wLength = sizeof(DeviceIDStringLength), - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - if ((ErrorCode = USB_Host_SendControlRequest(&DeviceIDStringLength)) != HOST_SENDCONTROL_Successful) - return ErrorCode; - - if (!(DeviceIDStringLength)) - { - DeviceIDString[0] = 0x00; - return HOST_SENDCONTROL_Successful; - } - - DeviceIDStringLength = SwapEndian_16(DeviceIDStringLength); - - if (DeviceIDStringLength > BufferSize) - DeviceIDStringLength = BufferSize; - - USB_ControlRequest.wLength = DeviceIDStringLength; - - if ((ErrorCode = USB_Host_SendControlRequest(DeviceIDString)) != HOST_SENDCONTROL_Successful) - return ErrorCode; - - /* Move string back two characters to remove the string length value from the start of the array */ - memmove(&DeviceIDString[0], &DeviceIDString[2], DeviceIDStringLength - 2); - - DeviceIDString[DeviceIDStringLength - 2] = 0x00; - - return HOST_SENDCONTROL_Successful; -} - -/** Issues a Printer class Get Port Status command to the attached device, to retrieve the current status flags of the - * printer. - * - * \param[out] PortStatus Pointer to the destination where the printer's status flag values should be stored - * - * \return A value from the USB_Host_SendControlErrorCodes_t enum - */ -uint8_t Printer_GetPortStatus(uint8_t* const PortStatus) -{ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE), - .bRequest = PRNT_REQ_GetPortStatus, - .wValue = 0, - .wIndex = PrinterInterfaceNumber, - .wLength = sizeof(uint8_t), - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - return USB_Host_SendControlRequest(PortStatus); -} - -/** Issues a Printer class Soft Reset command to the attached device, to reset the printer ready for new input without - * physically cycling the printer's power. - * - * \return A value from the USB_Host_SendControlErrorCodes_t enum - */ -uint8_t Printer_SoftReset(void) -{ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE), - .bRequest = PRNT_REQ_SoftReset, - .wValue = 0, - .wIndex = PrinterInterfaceNumber, - .wLength = 0, - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - return USB_Host_SendControlRequest(NULL); -} - |