/*
   * (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('
  ');
  #endif
  
  	return (0);
  }
  
  /***************************************************/
  
  U_BOOT_CMD(
  	display,	CONFIG_SYS_MAXARGS,	1,	do_display,
  	"display string on dot matrix display",
  	"[<string>]
  "
  	"    - with <string> argument: display <string> on dot matrix display
  "
  	"    - without arguments: clear dot matrix display"
  );