]> cloudbase.mooo.com Git - z180-stamp.git/blob - avr/cmd_misc.c
315b959bcebd97b1665373a003b5ff4804a182bf
[z180-stamp.git] / avr / cmd_misc.c
1 /*
2 * Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8 #include "common.h"
9 #include <stdlib.h>
10
11 #include "command.h"
12 #include "timer.h"
13 #include "con-utils.h"
14
15
16 command_ret_t do_echo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
17 {
18 uint_fast8_t putnl = 1;
19
20 (void) cmdtp; (void) flag;
21
22 for (uint_fast8_t i = 1; i < argc; i++) {
23
24 uint_fast8_t backslash = 0;
25 char *p = argv[i];
26 char c;
27
28 if (i != 1)
29 putchar(' ');
30 while ((c = *p++) != '\0') {
31
32 if(backslash) {
33 backslash = 0;
34 if (c == 'c') {
35 putnl = 0;
36 continue;
37 } else
38 putchar('\\');
39 } else {
40 if (c == '\\') {
41 backslash = 1;
42 continue;
43 }
44 }
45 putchar(c);
46 }
47 }
48
49 if (putnl)
50 putchar('\n');
51
52 return CMD_RET_SUCCESS;
53 }
54
55
56 command_ret_t do_sleep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
57 {
58 unsigned long start = get_timer(0);
59 unsigned long delay;
60 char *sp;
61 uint_fast8_t millisec = 0;
62
63 (void) cmdtp; (void) flag;
64
65 if (argc != 2)
66 return CMD_RET_USAGE;
67
68 delay = strtoul(argv[1], &sp, 10);
69
70 if (*sp == 'm') {
71 millisec = 1;
72 sp++;
73 }
74 if (*sp == 's')
75 sp++;
76 if (*sp != '\0')
77 return CMD_RET_USAGE;
78
79 if (!millisec)
80 delay *= 1000;
81
82 while (get_timer(start) < delay) {
83 if (ctrlc())
84 return CMD_RET_FAILURE;
85
86 udelay(100);
87 }
88
89 return CMD_RET_SUCCESS;
90 }
91