/* * (C) Copyright 2005 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #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" );