Moved PrinterHost demo from Incomplete to LowLevel, as it is now near-complete.

1 files changed, 140 insertions, 0 deletions

diff --git a/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c b/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c
new file mode 100644
index 000000000..4e2a0d9db
--- /dev/null
+++ b/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c
@@ -0,0 +1,140 @@
+/*

+             LUFA Library

+     Copyright (C) Dean Camera, 2009.

+              

+  dean [at] fourwalledcubicle [dot] com

+      www.fourwalledcubicle.com

+*/

+

+/*

+  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)

+

+  Permission to use, copy, modify, and distribute this software

+  and its documentation for any purpose and without fee is hereby

+  granted, 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 disclaim 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.

+*/

+

+#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 a structure containing the commands and length of the data to send

+ *

+ *  \return A value from the Pipe_Stream_RW_ErrorCodes_t enum

+ */

+uint8_t Printer_SendData(Printer_Data_t* PrinterCommands)

+{

+	uint8_t ErrorCode;

+

+	Pipe_SelectPipe(PRINTER_DATA_OUT_PIPE);

+	Pipe_Unfreeze();

+	

+	if ((ErrorCode = Pipe_Write_Stream_LE(PrinterCommands->Data, PrinterCommands->Length)) != PIPE_RWSTREAM_NoError)

+	  return ErrorCode;

+

+	Pipe_ClearOUT();

+	while (!(Pipe_IsOUTReady()));

+	

+	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, uint16_t BufferSize)

+{

+	uint8_t  ErrorCode = HOST_SENDCONTROL_Successful;

+	uint16_t DeviceIDStringLength;

+

+	USB_ControlRequest = (USB_Request_Header_t)

+		{

+			bmRequestType: (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),

+			bRequest:      GET_DEVICE_ID,

+			wValue:        0,

+			wIndex:        0,

+			wLength:       sizeof(DeviceIDStringLength),

+		};

+

+	if ((ErrorCode = USB_Host_SendControlRequest(&DeviceIDStringLength)) != HOST_SENDCONTROL_Successful)

+	  return ErrorCode;

+	

+	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* PortStatus)

+{

+	USB_ControlRequest = (USB_Request_Header_t)

+		{

+			bmRequestType: (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),

+			bRequest:      GET_PORT_STATUS,

+			wValue:        0,

+			wIndex:        0,

+			wLength:       sizeof(uint8_t),

+		};

+

+	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:      SOFT_RESET,

+			wValue:        0,

+			wIndex:        0,

+			wLength:       0,

+		};

+

+	return USB_Host_SendControlRequest(NULL);

+}

+