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-rw-r--r--lib/lufa/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c162
-rw-r--r--lib/lufa/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.h56
2 files changed, 218 insertions, 0 deletions
diff --git a/lib/lufa/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c b/lib/lufa/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c
new file mode 100644
index 0000000000..7507891259
--- /dev/null
+++ b/lib/lufa/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c
@@ -0,0 +1,162 @@
+/*
+ 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);
+}
+
diff --git a/lib/lufa/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.h b/lib/lufa/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.h
new file mode 100644
index 0000000000..f29b18e454
--- /dev/null
+++ b/lib/lufa/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.h
@@ -0,0 +1,56 @@
+/*
+ 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
+ *
+ * Header file for PrinterCommands.c.
+ */
+
+#ifndef _PRINTER_COMMANDS_H_
+#define _PRINTER_COMMANDS_H_
+
+ /* Includes: */
+ #include <avr/io.h>
+ #include <string.h>
+
+ #include <LUFA/Drivers/USB/USB.h>
+
+ #include "../PrinterHost.h"
+
+ /* Function Prototypes: */
+ uint8_t Printer_SendData(const void* const PrinterCommands,
+ const uint16_t CommandSize);
+ uint8_t Printer_GetDeviceID(char* DeviceIDString,
+ const uint16_t BufferSize);
+ uint8_t Printer_GetPortStatus(uint8_t* const PortStatus);
+ uint8_t Printer_SoftReset(void);
+
+#endif
+