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Added new stream creation function to the CDC Class drivers, to easily make standard streams from CDC Class driver instances.

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This commit is contained in:
Dean Camera 2009-11-10 06:22:03 +00:00
parent d6edfe35c8
commit c1782ac024
9 changed files with 88 additions and 47 deletions
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15
LUFA/Drivers/USB/Class/Device/CDC.h
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@ -48,6 +48,7 @@
#include "../../USB.h"
#include "../Common/CDC.h"
#include <stdio.h>
#include <string.h>
/* Enable C linkage for C++ Compilers: */
@ -209,10 +210,24 @@
*/
void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Creates a standard characer stream for the given CDC Device instance so that it can be used with all the regular
* functions in the avr-libc <stdio.h> library that accept a FILE stream as a destination (e.g. fprintf).
*
* \note The created stream can be given as stdout if desired to direct the standard output from all <stdio.h> functions
* to the given CDC interface.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state
* \param[in,out] Stream Pointer to a FILE structure where the created stream should be placed
*/
void CDC_Device_CreateStream(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, FILE* Stream);
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Function Prototypes: */
#if defined(INCLUDE_FROM_CDC_CLASS_DEVICE_C)
static int CDC_Device_putchar(char c, FILE* Stream);
static int CDC_Device_getchar(FILE* Stream);
void CDC_Device_Event_Stub(void);
void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
ATTR_WEAK ATTR_NON_NULL_PTR_ARG(1) ATTR_ALIAS(CDC_Device_Event_Stub);