77 lines
2.7 KiB
C
77 lines
2.7 KiB
C
/*
|
|
* Copyright (c) 2005, Swedish Institute of Computer Science
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* This file is part of the Contiki operating system.
|
|
*
|
|
*/
|
|
/**
|
|
* \file
|
|
* Generic serial I/O process header filer
|
|
* \author
|
|
* Adam Dunkels
|
|
*
|
|
*/
|
|
#ifndef SERIAL_LINE_H_
|
|
#define SERIAL_LINE_H_
|
|
|
|
#include "contiki.h"
|
|
|
|
/**
|
|
* Event posted when a line of input has been received.
|
|
*
|
|
* This event is posted when an entire line of input has been received
|
|
* from the serial port. A data pointer to the incoming line of input
|
|
* is sent together with the event.
|
|
*/
|
|
extern process_event_t serial_line_event_message;
|
|
|
|
/**
|
|
* Get one byte of input from the serial driver.
|
|
*
|
|
* This function is to be called from the actual RS232 driver to get
|
|
* one byte of serial data input.
|
|
*
|
|
* For systems using low-power CPU modes, the return value of the
|
|
* function can be used to determine if the CPU should be woken up or
|
|
* not. If the function returns non-zero, the CPU should be powered
|
|
* up. If the function returns zero, the CPU can continue to be
|
|
* powered down.
|
|
*
|
|
* \param c The data that is received.
|
|
*
|
|
* \return Non-zero if the CPU should be powered up, zero otherwise.
|
|
*/
|
|
|
|
int serial_line_input_byte(unsigned char c);
|
|
|
|
void serial_line_init(void);
|
|
|
|
PROCESS_NAME(serial_line_process);
|
|
|
|
#endif /* SERIAL_LINE_H_ */
|