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/*
* (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
*
* Copyright 2000-2009
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include "common.h"
#include <stdlib.h>
#include "command.h"
#include "timer.h"
#include "con-utils.h"
command_ret_t do_echo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
uint_fast8_t putnl = 1;
(void) cmdtp; (void) flag;
for (uint_fast8_t i = 1; i < argc; i++) {
uint_fast8_t backslash = 0;
char *p = argv[i];
char c;
if (i != 1)
putchar(' ');
while ((c = *p++) != '\0') {
if(backslash) {
backslash = 0;
if (c == 'c') {
putnl = 0;
continue;
} else
putchar('\\');
} else {
if (c == '\\') {
backslash = 1;
continue;
}
}
putchar(c);
}
}
if (putnl)
putchar('\n');
return CMD_RET_SUCCESS;
}
command_ret_t do_sleep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
unsigned long start = get_timer(0);
unsigned long delay;
char *sp;
uint_fast8_t millisec = 0;
(void) cmdtp; (void) flag;
if (argc != 2)
return CMD_RET_USAGE;
delay = strtoul(argv[1], &sp, 10);
if (*sp == 'm') {
millisec = 1;
sp++;
}
if (*sp == 's')
sp++;
if (*sp != '\0')
return CMD_RET_USAGE;
if (!millisec)
delay *= 1000;
while (get_timer(start) < delay) {
if (ctrlc())
return CMD_RET_FAILURE;
udelay(100);
}
return CMD_RET_SUCCESS;
}
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