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1 | /* | |
2 | * (C) Copyright 2014,2016 Leo C. <erbl259-lmu@yahoo.de> | |
3 | * | |
4 | * Copyright 2000-2009 | |
5 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
6 | * | |
7 | * SPDX-License-Identifier: GPL-2.0 | |
8 | */ | |
9 | ||
10 | #include "common.h" | |
11 | #include "eval_arg.h" | |
12 | #include <stdbool.h> | |
13 | ||
14 | #include "command.h" | |
15 | #include "timer.h" | |
16 | #include "con-utils.h" | |
17 | #include "getopt-min.h" | |
18 | ||
19 | ||
20 | command_ret_t do_echo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
21 | { | |
22 | bool put_newline = true; | |
23 | ||
24 | (void) cmdtp; (void) flag; | |
25 | ||
26 | /* reset getopt() */ | |
27 | optind = 0; | |
28 | ||
29 | int opt; | |
30 | while ((opt = getopt(argc, argv, PSTR("n"))) != -1) { | |
31 | switch (opt) { | |
32 | case 'n': | |
33 | put_newline = false; | |
34 | break; | |
35 | default: /* '?' */ | |
36 | return CMD_RET_USAGE; | |
37 | } | |
38 | } | |
39 | ||
40 | for (uint_fast8_t i = optind; i < argc; i++) { | |
41 | ||
42 | if (i != optind) | |
43 | putchar(' '); | |
44 | ||
45 | my_puts(argv[i]); | |
46 | } | |
47 | ||
48 | if (put_newline) | |
49 | putchar('\n'); | |
50 | ||
51 | return CMD_RET_SUCCESS; | |
52 | } | |
53 | ||
54 | ||
55 | command_ret_t do_sleep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
56 | { | |
57 | unsigned long start = get_timer(0); | |
58 | unsigned long delay; | |
59 | char *sp; | |
60 | uint_fast8_t millisec = 0; | |
61 | ||
62 | (void) cmdtp; (void) flag; | |
63 | ||
64 | if (argc != 2) | |
65 | return CMD_RET_USAGE; | |
66 | ||
67 | delay = eval_arg(argv[1], &sp); | |
68 | ||
69 | if (*sp == 'm') { | |
70 | millisec = 1; | |
71 | sp++; | |
72 | } | |
73 | if (*sp == 's') | |
74 | sp++; | |
75 | if (*sp != '\0') | |
76 | return CMD_RET_USAGE; | |
77 | ||
78 | if (!millisec) | |
79 | delay *= 1000; | |
80 | ||
81 | while (get_timer(start) < delay) { | |
82 | if (ctrlc()) | |
83 | return CMD_RET_FAILURE; | |
84 | ||
85 | udelay(100); | |
86 | } | |
87 | ||
88 | return CMD_RET_SUCCESS; | |
89 | } |