#include <common.h>
#include <command.h>
-#if (CONFIG_COMMANDS & CFG_CMD_MISC)
-
-int do_sleep (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_sleep (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
+ ulong start = get_timer(0);
ulong delay;
- if (argc != 2) {
- printf ("Usage:\n%s\n", cmdtp->usage);
- return 1;
- }
+ if (argc != 2)
+ return cmd_usage(cmdtp);
+
+ delay = simple_strtoul(argv[1], NULL, 10) * CONFIG_SYS_HZ;
- delay = simple_strtoul(argv[1], NULL, 10);
-
- while (delay) {
- int i;
- for (i=0; i<1000; ++i) {
- if (ctrlc ()) {
- return (-1);
- }
- udelay (1000);
- }
- --delay;
+ while (get_timer(start) < delay) {
+ if (ctrlc ())
+ return (-1);
+
+ udelay (100);
}
+
return 0;
}
-#endif /* CFG_CMD_MISC */
+U_BOOT_CMD(
+ sleep , 2, 1, do_sleep,
+ "delay execution for some time",
+ "N\n"
+ " - delay execution for N seconds (N is _decimal_ !!!)"
+);