diff options
Diffstat (limited to 'avr/cmd_misc.c')
-rw-r--r-- | avr/cmd_misc.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/avr/cmd_misc.c b/avr/cmd_misc.c new file mode 100644 index 0000000..315b959 --- /dev/null +++ b/avr/cmd_misc.c @@ -0,0 +1,91 @@ +/* + * 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; +} + |