[u-boot.git] / cmd / cls.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2018
 * DENX Software Engineering, Anatolij Gustschin <[email protected]>
 *
 * cls - clear screen command
 */
#include <common.h>
#include <command.h>
#include <dm.h>
#include <video.h>

#define CSI "\x1b["

static int do_video_clear(struct cmd_tbl *cmdtp, int flag, int argc,
			  char *const argv[])
{
	__maybe_unused struct udevice *dev;

	/*  Send clear screen and home */
	printf(CSI "2J" CSI "1;1H");
	if (CONFIG_IS_ENABLED(DM_VIDEO) && !CONFIG_IS_ENABLED(VIDEO_ANSI)) {
		if (uclass_first_device_err(UCLASS_VIDEO, &dev))
			return CMD_RET_FAILURE;
		if (video_clear(dev))
			return CMD_RET_FAILURE;
	}
	return CMD_RET_SUCCESS;
}

U_BOOT_CMD(cls,	1, 1, do_video_clear, "clear screen", "");
Commit	Line	Data
4e92e60d AG	1	// SPDX-License-Identifier: GPL-2.0+
	2	/*
	3	* (C) Copyright 2018
	4	* DENX Software Engineering, Anatolij Gustschin <[email protected]>
	5	*
	6	* cls - clear screen command
	7	*/
	8	#include <common.h>
	9	#include <command.h>
	10	#include <dm.h>
4e92e60d AG	11	#include <video.h>
4e92e60d AG	12
bfaa51dd HS	13	#define CSI "\x1b["
bfaa51dd HS	14
09140113	15	static int do_video_clear(struct cmd_tbl *cmdtp, int flag, int argc,
4e92e60d AG	16	char *const argv[])
4e92e60d AG	17	{
bfaa51dd	18	__maybe_unused struct udevice *dev;
4e92e60d	19
bfaa51dd HS	20	/* Send clear screen and home */
bfaa51dd HS	21	printf(CSI "2J" CSI "1;1H");
63de2161 HS	22	if (CONFIG_IS_ENABLED(DM_VIDEO) && !CONFIG_IS_ENABLED(VIDEO_ANSI)) {
	23	if (uclass_first_device_err(UCLASS_VIDEO, &dev))
	24	return CMD_RET_FAILURE;
	25	if (video_clear(dev))
	26	return CMD_RET_FAILURE;
	27	}
4e92e60d AG	28	return CMD_RET_SUCCESS;
	29	}
	30
	31	U_BOOT_CMD(cls, 1, 1, do_video_clear, "clear screen", "");