/*
LUFA Library
- Copyright (C) Dean Camera, 2013.
+ Copyright (C) Dean Camera, 2015.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
- Copyright 2013 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2015 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
/** \ingroup Group_USBClassPrinter
* \defgroup Group_USBClassPrinterHost Printer Class Host Mode Driver
*
- * \section Sec_Dependencies Module Source Dependencies
+ * \section Sec_USBClassPrinterHost_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
* - LUFA/Drivers/USB/Class/Host/PrinterClassHost.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
*
- * \section Sec_ModDescription Module Description
+ * \section Sec_USBClassPrinterHost_ModDescription Module Description
* Host Mode USB Class driver framework interface, for the Printer USB Class driver.
*
* @{
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t PRNT_Host_SendData(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
- void* Buffer,
+ const void* Buffer,
const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/** Sends a given byte to the attached USB device, if connected. If a device is not connected when the function is called, the
*
* \return Total number of buffered bytes received from the device.
*/
- uint16_t PRNT_Host_BytesReceived(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo);
+ uint16_t PRNT_Host_BytesReceived(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Reads a byte of data from the device. If no data is waiting to be read of if a USB device is not connected, the function
* returns a negative value. The \ref PRNT_Host_BytesReceived() function may be queried in advance to determine how many bytes
*
* \return Next received byte from the device, or a negative value if no data received.
*/
- int16_t PRNT_Host_ReceiveByte(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo);
+ int16_t PRNT_Host_ReceiveByte(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Retrieves the attached printer device's ID string, formatted according to IEEE 1284. This string is sent as a
* Unicode string from the device and is automatically converted to an ASCII encoded C string by this function, thus