new command: time

2 files changed, 31 insertions, 1 deletions

diff --git a/avr/cmd_misc.c b/avr/cmd_misc.c
index 72102c6..ad913e8 100644
--- a/avr/cmd_misc.c
+++ b/avr/cmd_misc.c
@@ -83,3 +83,28 @@ command_ret_t do_sleep(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * con
 
 	return CMD_RET_SUCCESS;
 }
+
+command_ret_t do_time(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc, char * const argv[])
+{
+	uint32_t elapsed_ms = 0;
+	command_ret_t retval;
+	uint_fast8_t repeatable;
+
+	if (argc == 1)
+		return CMD_RET_USAGE;
+
+	elapsed_ms = get_timer(0);
+	retval = cmd_process(0, argc - 1, argv + 1, &repeatable);
+	elapsed_ms = get_timer(elapsed_ms);
+
+	uint32_t min;
+	uint16_t sec, ms;
+
+	min = elapsed_ms / 1000 / 60;
+	sec = (elapsed_ms / 1000) % 60;
+	ms = elapsed_ms % 1000;
+
+	printf_P(PSTR("\ntime: %lum%u.%03us\n"), min, sec, ms);
+
+	return retval;
+}
diff --git a/avr/command_tbl.c b/avr/command_tbl.c
index c526199..5a63e76 100644
--- a/avr/command_tbl.c
+++ b/avr/command_tbl.c
@@ -34,6 +34,11 @@ CMD_TBL_ITEM_TOP(
 
 
 CMD_TBL_ITEM(
+	time, CONFIG_SYS_MAXARGS, 0, do_time,
+	"run command and print execution time",
+	"command [args...]\n"
+),
+CMD_TBL_ITEM(
 	date,	2,	1,	do_date,
 	"get/set date & time",
 	"[MMDDhhmm[[CC]YY][.ss]]\n"
@@ -106,7 +111,7 @@ CMD_TBL_ITEM(
 	sleep ,    2,    1,     do_sleep,
 	"delay execution for some time",
 	"N[m][s]\n"
-	"    - delay execution for decimal N (milli) seconds"
+	"    - delay execution for hexadecimal N (milli) seconds"
 ),
 CMD_TBL_ITEM_COMPLETE(
 	run,	CONFIG_SYS_MAXARGS,	1,	do_run,