From 4cb002648ce249229bdf63cf645a9f7117c15519 Mon Sep 17 00:00:00 2001
From: "David A. Mellis" <d.mellis@arduino.cc>
Date: Sun, 24 May 2009 15:13:08 +0000
Subject: Removing wiring_serial.c as it's no longer used. (All serial
functionality is now in HardwareSerial.h / HardwareSerial.cpp.)
---
cores/arduino/wiring_serial.c | 129 ------------------------------------------
1 file changed, 129 deletions(-)
delete mode 100755 cores/arduino/wiring_serial.c
diff --git a/cores/arduino/wiring_serial.c b/cores/arduino/wiring_serial.c
deleted file mode 100755
index 6c576d5..0000000
--- a/cores/arduino/wiring_serial.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- wiring_serial.c - serial functions.
- Part of Arduino - http://www.arduino.cc/
-
- Copyright (c) 2005-2006 David A. Mellis
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General
- Public License along with this library; if not, write to the
- Free Software Foundation, Inc., 59 Temple Place, Suite 330,
- Boston, MA 02111-1307 USA
-
- $Id: wiring.c 248 2007-02-03 15:36:30Z mellis $
-*/
-
-#include "wiring_private.h"
-
-// Define constants and variables for buffering incoming serial data. We're
-// using a ring buffer (I think), in which rx_buffer_head is the index of the
-// location to which to write the next incoming character and rx_buffer_tail
-// is the index of the location from which to read.
-#define RX_BUFFER_SIZE 128
-
-unsigned char rx_buffer[RX_BUFFER_SIZE];
-
-int rx_buffer_head = 0;
-int rx_buffer_tail = 0;
-
-void beginSerial(long baud)
-{
-#if defined(__AVR_ATmega8__)
- UBRRH = ((F_CPU / 16 + baud / 2) / baud - 1) >> 8;
- UBRRL = ((F_CPU / 16 + baud / 2) / baud - 1);
-
- // enable rx and tx
- sbi(UCSRB, RXEN);
- sbi(UCSRB, TXEN);
-
- // enable interrupt on complete reception of a byte
- sbi(UCSRB, RXCIE);
-#else
- UBRR0H = ((F_CPU / 16 + baud / 2) / baud - 1) >> 8;
- UBRR0L = ((F_CPU / 16 + baud / 2) / baud - 1);
-
- // enable rx and tx
- sbi(UCSR0B, RXEN0);
- sbi(UCSR0B, TXEN0);
-
- // enable interrupt on complete reception of a byte
- sbi(UCSR0B, RXCIE0);
-#endif
-
- // defaults to 8-bit, no parity, 1 stop bit
-}
-
-void serialWrite(unsigned char c)
-{
-#if defined(__AVR_ATmega8__)
- while (!(UCSRA & (1 << UDRE)))
- ;
-
- UDR = c;
-#else
- while (!(UCSR0A & (1 << UDRE0)))
- ;
-
- UDR0 = c;
-#endif
-}
-
-int serialAvailable()
-{
- return (RX_BUFFER_SIZE + rx_buffer_head - rx_buffer_tail) % RX_BUFFER_SIZE;
-}
-
-int serialRead()
-{
- // if the head isn't ahead of the tail, we don't have any characters
- if (rx_buffer_head == rx_buffer_tail) {
- return -1;
- } else {
- unsigned char c = rx_buffer[rx_buffer_tail];
- rx_buffer_tail = (rx_buffer_tail + 1) % RX_BUFFER_SIZE;
- return c;
- }
-}
-
-void serialFlush()
-{
- // don't reverse this or there may be problems if the RX interrupt
- // occurs after reading the value of rx_buffer_head but before writing
- // the value to rx_buffer_tail; the previous value of rx_buffer_head
- // may be written to rx_buffer_tail, making it appear as if the buffer
- // were full, not empty.
- rx_buffer_head = rx_buffer_tail;
-}
-
-#if defined(__AVR_ATmega8__)
-SIGNAL(SIG_UART_RECV)
-#else
-SIGNAL(USART_RX_vect)
-#endif
-{
-#if defined(__AVR_ATmega8__)
- unsigned char c = UDR;
-#else
- unsigned char c = UDR0;
-#endif
-
- int i = (rx_buffer_head + 1) % RX_BUFFER_SIZE;
-
- // if we should be storing the received character into the location
- // just before the tail (meaning that the head would advance to the
- // current location of the tail), we're about to overflow the buffer
- // and so we don't write the character or advance the head.
- if (i != rx_buffer_tail) {
- rx_buffer[rx_buffer_head] = c;
- rx_buffer_head = i;
- }
-}
\ No newline at end of file
--
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