diff options
| author | Anatolij Gustschin <agust@denx.de> | 2018-12-01 10:47:20 +0100 |
|---|---|---|
| committer | Anatolij Gustschin <agust@denx.de> | 2018-12-04 19:44:57 +0100 |
| commit | 4e92e60d35d5ef3a3f7ca9cdd24aa51a1a3263a7 (patch) | |
| tree | d6471842dc3671a045f3a8b148cc7a220427bb02 /cmd | |
| parent | 06696ebe674de7f65d4f5046a8639b358c6b358c (diff) | |
cmd: add clear screen 'cls' command
Add common clear screen command for configurations
CONFIG_DM_VIDEO, CONFIG_LCD and CONFIG_CFB_CONSOLE.
Remove the existing cls command implementation from
lcd.c code and activate the command for all boards
enabling CONFIG_LCD for compatibility reasons.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Tested-by: Patrick.Delaunay <patrick.delaunay@free.fr>
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/Kconfig | 8 | ||||
| -rw-r--r-- | cmd/Makefile | 1 | ||||
| -rw-r--r-- | cmd/cls.c | 35 |
3 files changed, 44 insertions, 0 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig index e2973b3c51..b1cd1c9690 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -1380,6 +1380,14 @@ config CMD_CONITRACE Enable the 'conitrace' command which displays the codes received from the console input as hexadecimal numbers. +config CMD_CLS + bool "Enable clear screen command 'cls'" + depends on CFB_CONSOLE || DM_VIDEO || LCD || VIDEO + default y if LCD + help + Enable the 'cls' command which clears the screen contents + on video frame buffer. + config CMD_DISPLAY bool "Enable the 'display' command, for character displays" help diff --git a/cmd/Makefile b/cmd/Makefile index 5ec2f9e8eb..49986437ba 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_CMD_BTRFS) += btrfs.o obj-$(CONFIG_CMD_CACHE) += cache.o obj-$(CONFIG_CMD_CBFS) += cbfs.o obj-$(CONFIG_CMD_CLK) += clk.o +obj-$(CONFIG_CMD_CLS) += cls.o obj-$(CONFIG_CMD_CONFIG) += config.o obj-$(CONFIG_CMD_CONITRACE) += conitrace.o obj-$(CONFIG_CMD_CONSOLE) += console.o diff --git a/cmd/cls.c b/cmd/cls.c new file mode 100644 index 0000000000..f1ce6e8df1 --- /dev/null +++ b/cmd/cls.c @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2018 + * DENX Software Engineering, Anatolij Gustschin <agust@denx.de> + * + * cls - clear screen command + */ +#include <common.h> +#include <command.h> +#include <dm.h> +#include <lcd.h> +#include <video.h> + +static int do_video_clear(cmd_tbl_t *cmdtp, int flag, int argc, + char *const argv[]) +{ +#if defined(CONFIG_DM_VIDEO) + struct udevice *dev; + + if (uclass_first_device_err(UCLASS_VIDEO, &dev)) + return CMD_RET_FAILURE; + + if (video_clear(dev)) + return CMD_RET_FAILURE; +#elif defined(CONFIG_CFB_CONSOLE) + video_clear(); +#elif defined(CONFIG_LCD) + lcd_clear(); +#else + return CMD_RET_FAILURE; +#endif + return CMD_RET_SUCCESS; +} + +U_BOOT_CMD(cls, 1, 1, do_video_clear, "clear screen", ""); |