File: debugio.c

package info (click to toggle)
simulavr 1.0.0%2Bgit20160221.e53413b-1
  • links: PTS
  • area: main
  • in suites: buster
  • size: 5,748 kB
  • sloc: cpp: 35,491; python: 6,991; ansic: 3,567; makefile: 1,072; sh: 653; asm: 414; tcl: 320
file content (79 lines) | stat: -rw-r--r-- 1,226 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
/*
 *  $Id$
 */

#include <stdio.h>

#include "debugio.h"
#include <avr/interrupt.h>

/*
 *  DEBUG_OUT_PORT  - -W0x20,/dev/stderr 
 *  DEBUG_IN_PORT   - -R0x22,/dev/stderr 
 */
#define DEBUG_OUT_PORT (*( (volatile char *)0x20))
#define DEBUG_IN_PORT (*( (volatile char *)0x22))

int debug_putchar(char c, FILE *stream)
{
  DEBUG_OUT_PORT = c;

  if (c == '\n')
    debug_putchar('\r', stream);
  return 0;
}

int debug_getchar(FILE *stream)
{
  return DEBUG_IN_PORT;
}

FILE debug_str =
  FDEV_SETUP_STREAM(debug_putchar, debug_getchar, _FDEV_SETUP_RW);

/*
 *  UART0 IO Support
 */
#include "uart.h"
#include "defines.h"

int uart_0_putchar(char c, FILE *stream)
{
  uart_0_putc(c);
}

int uart_0_getchar(FILE *stream)
{
  return uart_0_getc();
}

FILE uart0_str =
  FDEV_SETUP_STREAM(uart_0_putchar, uart_0_getchar, _FDEV_SETUP_RW);

/*
 *  UART1 IO Support
 */

int uart_1_putchar(char c, FILE *stream)
{
  uart_1_putc(c);
}

int uart_1_getchar(FILE *stream)
{
  return uart_1_getc();
}

FILE uart1_str =
  FDEV_SETUP_STREAM(uart_1_putchar, uart_1_getchar, _FDEV_SETUP_RW);

/*
 *  Initialize whatever we have to
 */
void debugio_init(void)
{
  uart_0_init(UART0_BAUD, F_CPU);
  uart_1_init(UART1_BAUD, F_CPU);
  sei();
}