drivers: led: shell: add blink cmd

Add blink command to led shell module

Signed-off-by: Yishai Jaffe <yishai1999@gmail.com>

Author: yishai1999

drivers/led/led_shell.c

@@ -19,6 +19,8 @@ enum {
 	arg_idx_dev		= 1,
 	arg_idx_led		= 2,
 	arg_idx_value		= 3,
+	arg_idx_delay_on	= 3,
+	arg_idx_delay_off	= 4,
 };
 
 static int parse_common_args(const struct shell *sh, char **argv,
@@ -85,6 +87,41 @@ static int cmd_on(const struct shell *sh, size_t argc, char **argv)
 	return err;
 }
 
+static int cmd_blink(const struct shell *sh, size_t argc, char **argv)
+{
+	const struct device *dev;
+	uint32_t led, delay_on, delay_off;
+	char *end_ptr;
+	int err;
+
+	err = parse_common_args(sh, argv, &dev, &led);
+	if (err < 0) {
+		return err;
+	}
+
+	delay_on = strtoul(argv[arg_idx_delay_on], &end_ptr, 0);
+	if (*end_ptr != '\0') {
+		shell_error(sh, "Invalid delay_on parameter %s", argv[arg_idx_delay_on]);
+		return -EINVAL;
+	}
+
+	delay_off = strtoul(argv[arg_idx_delay_off], &end_ptr, 0);
+	if (*end_ptr != '\0') {
+		shell_error(sh, "Invalid delay_off parameter %s", argv[arg_idx_delay_off]);
+		return -EINVAL;
+	}
+
+	shell_print(sh, "%s: blinking LED %d with %d milliseconds on and %d milliseconds off",
+		    dev->name, led, delay_on, delay_off);
+
+	err = led_blink(dev, led, delay_on, delay_off);
+	if (err) {
+		shell_error(sh, "Error: %d", err);
+	}
+
+	return err;
+}
+
 static const char *led_color_to_str(uint8_t color)
 {
 	switch (color) {
@@ -350,6 +387,8 @@ SHELL_DYNAMIC_CMD_CREATE(dsub_device_name, device_name_get);
 SHELL_STATIC_SUBCMD_SET_CREATE(
 	sub_led, SHELL_CMD_ARG(off, &dsub_device_name, "<device> <led>", cmd_off, 3, 0),
 	SHELL_CMD_ARG(on, &dsub_device_name, "<device> <led>", cmd_on, 3, 0),
+	SHELL_CMD_ARG(blink, &dsub_device_name, "<device> <led> <delay_on> <delay_off>", cmd_blink,
+		      5, 0),
 	SHELL_CMD_ARG(get_info, &dsub_device_name, "<device> <led>", cmd_get_info, 3, 0),
 	SHELL_CMD_ARG(set_brightness, &dsub_device_name, "<device> <led> <value [0-100]>",
 		      cmd_set_brightness, 4, 0),