keyboard/qmk/lib/lufa/LUFA/Drivers/Peripheral/XMEGA/Serial_XMEGA.c

127 lines
3 KiB
C

/*
LUFA Library
Copyright (C) Dean Camera, 2019.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2019 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.
*/
#include "../../../Common/Common.h"
#if (ARCH == ARCH_XMEGA)
#define __INCLUDE_FROM_SERIAL_C
#include "../Serial.h"
FILE USARTSerialStream;
int Serial_putchar(char DataByte,
FILE *Stream)
{
USART_t* USART = fdev_get_udata(Stream);
Serial_SendByte(USART, DataByte);
return 0;
}
int Serial_getchar(FILE *Stream)
{
USART_t* USART = fdev_get_udata(Stream);
if (!(Serial_IsCharReceived(USART)))
return _FDEV_EOF;
return Serial_ReceiveByte(USART);
}
int Serial_getchar_Blocking(FILE *Stream)
{
USART_t* USART = fdev_get_udata(Stream);
while (!(Serial_IsCharReceived(USART)));
return Serial_ReceiveByte(USART);
}
void Serial_SendString_P(USART_t* const USART,
const char* FlashStringPtr)
{
uint8_t CurrByte;
while ((CurrByte = pgm_read_byte(FlashStringPtr)) != 0x00)
{
Serial_SendByte(USART, CurrByte);
FlashStringPtr++;
}
}
void Serial_SendString(USART_t* const USART,
const char* StringPtr)
{
uint8_t CurrByte;
while ((CurrByte = *StringPtr) != 0x00)
{
Serial_SendByte(USART, CurrByte);
StringPtr++;
}
}
void Serial_SendData(USART_t* const USART,
const void* Buffer,
uint16_t Length)
{
uint8_t* CurrByte = (uint8_t*)Buffer;
while (Length--)
Serial_SendByte(USART, *(CurrByte++));
}
void Serial_CreateStream(USART_t* USART, FILE* Stream)
{
if (!(Stream))
{
Stream = &USARTSerialStream;
stdin = Stream;
stdout = Stream;
}
*Stream = (FILE)FDEV_SETUP_STREAM(Serial_putchar, Serial_getchar, _FDEV_SETUP_RW);
fdev_set_udata(Stream, USART);
}
void Serial_CreateBlockingStream(USART_t* USART, FILE* Stream)
{
if (!(Stream))
{
Stream = &USARTSerialStream;
stdin = Stream;
stdout = Stream;
}
*Stream = (FILE)FDEV_SETUP_STREAM(Serial_putchar, Serial_getchar_Blocking, _FDEV_SETUP_RW);
fdev_set_udata(Stream, USART);
}
#endif