Contiki-NG
dbg.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 
34 #include "dev/uart.h"
35 #include "usb/usb-serial.h"
36 
37 #include <stdio.h>
38 /*---------------------------------------------------------------------------*/
39 #ifndef DBG_CONF_USB
40 #define DBG_CONF_USB 0
41 #endif
42 
43 #if DBG_CONF_USB
44 #define write_byte(b) usb_serial_writeb(b)
45 #define flush() usb_serial_flush()
46 #else
47 #define write_byte(b) uart_write_byte(DBG_CONF_UART, b)
48 #define flush()
49 #endif
50 /*---------------------------------------------------------------------------*/
51 #define SLIP_END 0300
52 /*---------------------------------------------------------------------------*/
53 int
55 {
56 #if DBG_CONF_SLIP_MUX
57  static char debug_frame = 0;
58 
59  if(!debug_frame) {
60  write_byte(SLIP_END);
61  write_byte('\r');
62  debug_frame = 1;
63  }
64 #endif
65 
66  write_byte(c);
67 
68  if(c == '\n') {
69 #if DBG_CONF_SLIP_MUX
70  write_byte(SLIP_END);
71  debug_frame = 0;
72 #endif
73  flush();
74  }
75  return c;
76 }
77 /*---------------------------------------------------------------------------*/
78 unsigned int
79 dbg_send_bytes(const unsigned char *s, unsigned int len)
80 {
81  unsigned int i = 0;
82 
83  while(s && *s != 0) {
84  if(i >= len) {
85  break;
86  }
87  putchar(*s++);
88  i++;
89  }
90  return i;
91 }
92 /*---------------------------------------------------------------------------*/
Header file for the cc2538 UART driver.
Header file for cc2538&#39;s UART-like I/O over USB.
unsigned int dbg_send_bytes(const unsigned char *s, unsigned int len)
Print a stream of bytes.
Definition: dbg.c:79
int dbg_putchar(int c)
Print a character to debug output.
Definition: dbg.c:54