U-Boot. Исходные тексты команд: font.c
// SPDX-License-Identifier: GPL-2.0+
/*
* video commands
*
* Copyright 2022 Google LLC
* Written by Simon Glass <sjg@chromium.org>
*/
#include <common.h>
#include <command.h>
#include <dm.h>
#include <video.h>
#include <video_console.h>
static int do_font_list(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
struct udevice *dev;
if (uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev))
return CMD_RET_FAILURE;
vidconsole_list_fonts(dev);
return 0;
}
static int do_font_select(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
struct udevice *dev;
const char *name;
uint size = 0;
int ret;
if (argc < 2)
return CMD_RET_USAGE;
if (uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev))
return CMD_RET_FAILURE;
name = argv[1];
if (argc == 3)
size = dectoul(argv[2], NULL);
ret = vidconsole_select_font(dev, name, size);
if (ret) {
printf("Failed (error %d)\n", ret);
return CMD_RET_FAILURE;
}
return 0;
}
static int do_font_size(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
const char *font_name;
struct udevice *dev;
uint size;
int ret;
if (argc != 2)
return CMD_RET_USAGE;
if (uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev))
return CMD_RET_FAILURE;
ret = vidconsole_get_font_size(dev, &font_name, &size);
if (ret) {
printf("Failed (error %d)\n", ret);
return CMD_RET_FAILURE;
}
size = dectoul(argv[1], NULL);
ret = vidconsole_select_font(dev, font_name, size);
if (ret) {
printf("Failed (error %d)\n", ret);
return CMD_RET_FAILURE;
}
return 0;
}
U_BOOT_LONGHELP(font,
"list - list available fonts\n"
"font select <name> [<size>] - select font to use\n"
"font size <size> - select font size to");
U_BOOT_CMD_WITH_SUBCMDS(font, "Fonts", font_help_text,
U_BOOT_SUBCMD_MKENT(list, 1, 1, do_font_list),
U_BOOT_SUBCMD_MKENT(select, 3, 1, do_font_select),
U_BOOT_SUBCMD_MKENT(size, 2, 1, do_font_size));