tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/Peripheral/AVR8/Serial_AVR8.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2014.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6            www.lufa-lib.org
   7 */
   8
   9 /*
  10   Copyright 2014  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  11
  12   Permission to use, copy, modify, distribute, and sell this
  13   software and its documentation for any purpose is hereby granted
  14   without fee, provided that the above copyright notice appear in
  15   all copies and that both that the copyright notice and this
  16   permission notice and warranty disclaimer appear in supporting
  17   documentation, and that the name of the author not be used in
  18   advertising or publicity pertaining to distribution of the
  19   software without specific, written prior permission.
  20
  21   The author disclaims all warranties with regard to this
  22   software, including all implied warranties of merchantability
  23   and fitness.  In no event shall the author be liable for any
  24   special, indirect or consequential damages or any damages
  25   whatsoever resulting from loss of use, data or profits, whether
  26   in an action of contract, negligence or other tortious action,
  27   arising out of or in connection with the use or performance of
  28   this software.
  29 */
  30
  31 #include "../../../Common/Common.h"
  32 #if (ARCH == ARCH_AVR8)
  33
  34 #define  __INCLUDE_FROM_SERIAL_C
  35 #include "../Serial.h"
  36
  37 FILE USARTSerialStream;
  38
  39 int Serial_putchar(char DataByte,
  40                    FILE *Stream)
  41 {
  42         (void)Stream;
  43
  44         Serial_SendByte(DataByte);
  45         return 0;
  46 }
  47
  48 int Serial_getchar(FILE *Stream)
  49 {
  50         (void)Stream;
  51
  52         if (!(Serial_IsCharReceived()))
  53           return _FDEV_EOF;
  54
  55         return Serial_ReceiveByte();
  56 }
  57
  58 int Serial_getchar_Blocking(FILE *Stream)
  59 {
  60         (void)Stream;
  61
  62         while (!(Serial_IsCharReceived()));
  63         return Serial_ReceiveByte();
  64 }
  65
  66 void Serial_SendString_P(const char* FlashStringPtr)
  67 {
  68         uint8_t CurrByte;
  69
  70         while ((CurrByte = pgm_read_byte(FlashStringPtr)) != 0x00)
  71         {
  72                 Serial_SendByte(CurrByte);
  73                 FlashStringPtr++;
  74         }
  75 }
  76
  77 void Serial_SendString(const char* StringPtr)
  78 {
  79         uint8_t CurrByte;
  80
  81         while ((CurrByte = *StringPtr) != 0x00)
  82         {
  83                 Serial_SendByte(CurrByte);
  84                 StringPtr++;
  85         }
  86 }
  87
  88 void Serial_SendData(const void* Buffer,
  89                      uint16_t Length)
  90 {
  91         while (Length--)
  92           Serial_SendByte(*((uint8_t*)Buffer++));
  93 }
  94
  95 void Serial_CreateStream(FILE* Stream)
  96 {
  97         if (!(Stream))
  98         {
  99                 Stream = &USARTSerialStream;
 100                 stdin  = Stream;
 101                 stdout = Stream;
 102         }
 103
 104         *Stream = (FILE)FDEV_SETUP_STREAM(Serial_putchar, Serial_getchar, _FDEV_SETUP_RW);
 105 }
 106
 107 void Serial_CreateBlockingStream(FILE* Stream)
 108 {
 109         if (!(Stream))
 110         {
 111                 Stream = &USARTSerialStream;
 112                 stdin  = Stream;
 113                 stdout = Stream;
 114         }
 115
 116         *Stream = (FILE)FDEV_SETUP_STREAM(Serial_putchar, Serial_getchar_Blocking, _FDEV_SETUP_RW);
 117 }
 118
 119 #endif