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