u-boot/cmd/display.c
Simon Glass 2e192b245e Remove the cmd_ prefix from command files
Now that they are in their own directory, we can remove this prefix.
This makes it easier to find a file since the prefix does not get in the
way.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
2016-01-25 10:39:43 -05:00

54 lines
966 B
C

/*
* (C) Copyright 2005
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <led-display.h>
#undef DEBUG_DISP
int do_display (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int i;
/* Clear display */
display_set(DISPLAY_CLEAR | DISPLAY_HOME);
if (argc < 2)
return (0);
for (i = 1; i < argc; i++) {
char *p = argv[i];
if (i > 1) { /* Insert a space between strings */
display_putc(' ');
}
while ((*p)) {
#ifdef DEBUG_DISP
putc(*p);
#endif
display_putc(*p++);
}
}
#ifdef DEBUG_DISP
putc('\n');
#endif
return (0);
}
/***************************************************/
U_BOOT_CMD(
display, CONFIG_SYS_MAXARGS, 1, do_display,
"display string on dot matrix display",
"[<string>]\n"
" - with <string> argument: display <string> on dot matrix display\n"
" - without arguments: clear dot matrix display"
);