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[pub/USBasp.git] / Demos / Host / LowLevel / PrinterHost / Lib / PrinterCommands.c

diff --git a/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c b/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c
index cb051cd..9308e12 100644 (file)
--- a/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c
+++ b/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c
@@ -1,21 +1,21 @@
 /*\r
              LUFA Library\r
-     Copyright (C) Dean Camera, 2009.\r
+     Copyright (C) Dean Camera, 2010.\r
               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r
-  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
-  Permission to use, copy, modify, and distribute this software\r
-  and its documentation for any purpose and without fee is hereby\r
-  granted, provided that the above copyright notice appear in all\r
-  copies and that both that the copyright notice and this\r
-  permission notice and warranty disclaimer appear in supporting\r
-  documentation, and that the name of the author not be used in\r
-  advertising or publicity pertaining to distribution of the\r
+  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+  Permission to use, copy, modify, distribute, and sell this \r
+  software and its documentation for any purpose is hereby granted\r
+  without fee, provided that the above copyright notice appear in \r
+  all copies and that both that the copyright notice and this\r
+  permission notice and warranty disclaimer appear in supporting \r
+  documentation, and that the name of the author not be used in \r
+  advertising or publicity pertaining to distribution of the \r
   software without specific, written prior permission.\r
 \r
   The author disclaim all warranties with regard to this\r
@@ -30,7 +30,7 @@
 \r
 /** \file\r
  *\r
- *  Printer Device commands, to send/recieve data to and from an attached USB\r
+ *  Printer Device commands, to send/receive data to and from an attached USB\r
  *  printer, and to send and receive Printer Class control requests.\r
  */\r
 \r
@@ -39,18 +39,19 @@
 /** Sends the given data directly to the printer via the data endpoints, for the sending of print commands in printer\r
  *  languages accepted by the attached printer (e.g. PCL).\r
  *\r
- *  \param[in] PrinterCommands  Pointer to a structure containing the commands and length of the data to send\r
+ *  \param[in] PrinterCommands  Pointer to the data to send to the attached printer\r
+ *  \param[in] CommandSize  Size of the data to send to the attached printer\r
  *\r
  *  \return A value from the Pipe_Stream_RW_ErrorCodes_t enum\r
  */\r
-uint8_t Printer_SendData(Printer_Data_t* PrinterCommands)\r
+uint8_t Printer_SendData(void* PrinterCommands, uint16_t CommandSize)\r
 {\r
        uint8_t ErrorCode;\r
 \r
        Pipe_SelectPipe(PRINTER_DATA_OUT_PIPE);\r
        Pipe_Unfreeze();\r
        \r
-       if ((ErrorCode = Pipe_Write_Stream_LE(PrinterCommands->Data, PrinterCommands->Length)) != PIPE_RWSTREAM_NoError)\r
+       if ((ErrorCode = Pipe_Write_Stream_LE(PrinterCommands, CommandSize)) != PIPE_RWSTREAM_NoError)\r
          return ErrorCode;\r
 \r
        Pipe_ClearOUT();\r
@@ -76,21 +77,27 @@ uint8_t Printer_SendData(Printer_Data_t* PrinterCommands)
 uint8_t Printer_GetDeviceID(char* DeviceIDString, uint16_t BufferSize)\r
 {\r
        uint8_t  ErrorCode = HOST_SENDCONTROL_Successful;\r
-       uint16_t DeviceIDStringLength;\r
+       uint16_t DeviceIDStringLength = 0;\r
 \r
        USB_ControlRequest = (USB_Request_Header_t)\r
                {\r
-                       bmRequestType: (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),\r
-                       bRequest:      GET_DEVICE_ID,\r
-                       wValue:        0,\r
-                       wIndex:        0,\r
-                       wLength:       sizeof(DeviceIDStringLength),\r
+                       .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),\r
+                       .bRequest      = REQ_GetDeviceID,\r
+                       .wValue        = 0,\r
+                       .wIndex        = 0,\r
+                       .wLength       = sizeof(DeviceIDStringLength),\r
                };\r
                \r
        Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
 \r
        if ((ErrorCode = USB_Host_SendControlRequest(&DeviceIDStringLength)) != HOST_SENDCONTROL_Successful)\r
          return ErrorCode;\r
+         \r
+       if (!(DeviceIDStringLength))\r
+       {\r
+               DeviceIDString[0] = 0x00;\r
+               return HOST_SENDCONTROL_Successful;\r
+       }\r
        \r
        DeviceIDStringLength = SwapEndian_16(DeviceIDStringLength);\r
 \r
@@ -122,7 +129,7 @@ uint8_t Printer_GetPortStatus(uint8_t* PortStatus)
        USB_ControlRequest = (USB_Request_Header_t)\r
                {\r
                        bmRequestType: (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),\r
-                       bRequest:      GET_PORT_STATUS,\r
+                       bRequest:      REQ_GetPortStatus,\r
                        wValue:        0,\r
                        wIndex:        0,\r
                        wLength:       sizeof(uint8_t),\r
@@ -142,11 +149,11 @@ uint8_t Printer_SoftReset(void)
 {\r
        USB_ControlRequest = (USB_Request_Header_t)\r
                {\r
-                       bmRequestType: (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),\r
-                       bRequest:      SOFT_RESET,\r
-                       wValue:        0,\r
-                       wIndex:        0,\r
-                       wLength:       0,\r
+                       .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),\r
+                       .bRequest      = REQ_SoftReset,\r
+                       .wValue        = 0,\r
+                       .wIndex        = 0,\r
+                       .wLength       = 0,\r
                };\r
 \r
        Pipe_SelectPipe(PIPE_CONTROLPIPE);\r