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[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / Printer.h

diff --git a/LUFA/Drivers/USB/Class/Host/Printer.h b/LUFA/Drivers/USB/Class/Host/Printer.h
index b7a1ae7..06a1f84 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/Printer.h
+++ b/LUFA/Drivers/USB/Class/Host/Printer.h
@@ -100,15 +100,6 @@
                        };\r
        \r
                /* Function Prototypes: */\r
                        };\r
        \r
                /* Function Prototypes: */\r

-                       /** General management task for a given Printer host class interface, required for the correct operation of\r
-                        *  the interface. This should be called frequently in the main program loop, before the master USB management task\r
-                        *  \ref USB_USBTask().\r
-                        *\r
-                        *  \param[in,out] PRNTInterfaceInfo  Pointer to a structure containing a Printer Class host configuration and state\r
-                        */\r
-                       void PRNT_Host_USBTask(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
-                       \r
-\r

                        /** Host interface configuration routine, to configure a given Printer host interface instance using the\r
                         *  Configuration Descriptor read from an attached USB device. This function automatically updates the given Printer\r
                         *  instance's state values and configures the pipes required to communicate with the interface if it is found within\r
                        /** Host interface configuration routine, to configure a given Printer host interface instance using the\r
                         *  Configuration Descriptor read from an attached USB device. This function automatically updates the given Printer\r
                         *  instance's state values and configures the pipes required to communicate with the interface if it is found within\r


@@ -156,6 +147,9 @@
                         *  printer is able to understand - for example, PCL data. Not all printers accept all printer languages; see\r
                         *  \ref PRNT_Host_GetDeviceID() for details on determining acceptable languages for an attached printer.\r
                         *\r
                         *  printer is able to understand - for example, PCL data. Not all printers accept all printer languages; see\r
                         *  \ref PRNT_Host_GetDeviceID() for details on determining acceptable languages for an attached printer.\r
                         *\r

+                        *  \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the\r
+                        *        call will fail.\r
+                        *\r

                         *  \param[in,out] PRNTInterfaceInfo  Pointer to a structure containing a Printer Class host configuration and state\r
                         *  \param[in] PrinterCommands  Pointer to a buffer containing the raw command stream to send to the printer\r
                         *  \param[in] CommandSize  Size in bytes of the command stream to be sent\r
                         *  \param[in,out] PRNTInterfaceInfo  Pointer to a structure containing a Printer Class host configuration and state\r
                         *  \param[in] PrinterCommands  Pointer to a buffer containing the raw command stream to send to the printer\r
                         *  \param[in] CommandSize  Size in bytes of the command stream to be sent\r


@@ -181,6 +175,19 @@
                        uint8_t PRNT_Host_GetDeviceID(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo, char* DeviceIDString,\r
                                                      uint16_t BufferSize) ATTR_NON_NULL_PTR_ARG(1);\r
 \r
                        uint8_t PRNT_Host_GetDeviceID(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo, char* DeviceIDString,\r
                                                      uint16_t BufferSize) ATTR_NON_NULL_PTR_ARG(1);\r
 \r

+               /* Inline Functions: */\r
+                       /** General management task for a given Printer host class interface, required for the correct operation of\r
+                        *  the interface. This should be called frequently in the main program loop, before the master USB management task\r
+                        *  \ref USB_USBTask().\r
+                        *\r
+                        *  \param[in,out] PRNTInterfaceInfo  Pointer to a structure containing a Printer Class host configuration and state\r
+                        */\r
+                       static inline void PRNT_Host_USBTask(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo);\r
+                       static inline void PRNT_Host_USBTask(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)\r
+                       {\r
+                               (void)PRNTInterfaceInfo;\r
+                       }\r
+\r

        /* Private Interface - For use in library only: */\r
        #if !defined(__DOXYGEN__)\r
                /* Macros: */\r
        /* Private Interface - For use in library only: */\r
        #if !defined(__DOXYGEN__)\r
                /* Macros: */\r