Contiki-NG
slip-arch.c
1 /*
2  * Copyright (c) 2012, Texas Instruments Incorporated - http://www.ti.com/
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  *
14  * 3. Neither the name of the copyright holder nor the names of its
15  * contributors may be used to endorse or promote products derived
16  * from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
27  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
29  * OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 /*---------------------------------------------------------------------------*/
32 #include "contiki.h"
33 #include "dev/slip.h"
34 #include "dev/uart.h"
35 #include "usb/usb-serial.h"
36 /*---------------------------------------------------------------------------*/
37 #ifndef SLIP_ARCH_CONF_USB
38 #define SLIP_ARCH_CONF_USB 0
39 #endif
40 
41 #if SLIP_ARCH_CONF_USB
42 #define write_byte(b) usb_serial_writeb(b)
43 #define set_input(f) usb_serial_set_input(f)
44 #define flush() usb_serial_flush()
45 #else
46 #define write_byte(b) uart_write_byte(SLIP_ARCH_CONF_UART, b)
47 #define set_input(f) uart_set_input(SLIP_ARCH_CONF_UART, f)
48 #define flush()
49 #endif
50 
51 #define SLIP_END 0300
52 /*---------------------------------------------------------------------------*/
53 void
54 slip_arch_writeb(unsigned char c)
55 {
56  write_byte(c);
57  if(c == SLIP_END) {
58  flush();
59  }
60 }
61 /*---------------------------------------------------------------------------*/
62 void
64 {
65  set_input(slip_input_byte);
66 }
67 /*---------------------------------------------------------------------------*/
Header file for the cc2538 UART driver.
void slip_arch_writeb(unsigned char c)
Write a single byte over SLIP.
Definition: slip-arch.c:53
void slip_arch_init(void)
Initialize the SLIP driver.
Definition: slip-arch.c:62
int slip_input_byte(unsigned char c)
Input a SLIP byte.
Definition: slip.c:351
Header file for cc2538's UART-like I/O over USB.