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//==========================================================================

//

//      redboot_cmds.c

//

//      OLPCE2294 [platform] specific RedBoot commands

//

//==========================================================================

// ####ECOSGPLCOPYRIGHTBEGIN####                                            

// -------------------------------------------                              

// This file is part of eCos, the Embedded Configurable Operating System.   

// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2008 Free Software Foundation, Inc.

//

// eCos 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 or (at your option) any later      

// version.                                                                 

//

// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,    

// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            

//

// As a special exception, if other files instantiate templates or use      

// macros or inline functions from this file, or you compile this file      

// and link it with other works to produce a work based on this file,       

// this file does not by itself cause the resulting work to be covered by   

// the GNU General Public License. However the source code for this file    

// must still be made available in accordance with section (3) of the GNU   

// General Public License v2.                                               

//

// This exception does not invalidate any other reasons why a work based    

// on this file might be covered by the GNU General Public License.         

// -------------------------------------------                              

// ####ECOSGPLCOPYRIGHTEND####                                              

//==========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):     Sergei Gavrikov

// Contributors:  Sergei Gavrikov

// Date:          2008-08-31

// Purpose:

// Description:

//

// This code is part of RedBoot (tm).

//

//####DESCRIPTIONEND####

//

//========================================================================*/

#include <redboot.h>

#include <cyg/hal/hal_diag.h>

// CLI functions

local_cmd_entry ("clear", "Clean up LCD entires", "", lcd_clear, LCD_cmds);

local_cmd_entry ("dark", "Turn LCD lighting off", "", lcd_dark, LCD_cmds);

local_cmd_entry ("echo",

                 "Output the args. If -n is specified, the trailing newline is suppressed.",

                 "-n [arg ...]", lcd_echo, LCD_cmds);

local_cmd_entry ("light", "Turn LCD lighting on", "", lcd_light, LCD_cmds);

CYG_HAL_TABLE_BEGIN (__LCD_cmds_TAB__, LCD_cmds);

CYG_HAL_TABLE_END (__LCD_cmds_TAB_END__, LCD_cmds);

extern struct cmd __LCD_cmds_TAB__[], __LCD_cmds_TAB_END__;

static cmd_fun do_lcd;

RedBoot_nested_cmd ("lcd",

                    "Manage LCD display",

                    "{cmds}",

                    do_lcd, __LCD_cmds_TAB__, &__LCD_cmds_TAB_END__);

//--------------------------------------------------------------------------

// lcd_usage --

//

static void

lcd_usage (char *why)

{

    diag_printf ("*** invalid 'lcd' command: %s\n", why);

    cmd_usage (__LCD_cmds_TAB__, &__LCD_cmds_TAB_END__, "lcd ");

}

//--------------------------------------------------------------------------

// do_lcd --

//

static void

do_lcd (int argc, char *argv[])

{

    struct cmd *cmd;

    if (argc < 2) {

        lcd_usage ("too few arguments");

        return;

    }

    if ((cmd = cmd_search (__LCD_cmds_TAB__, &__LCD_cmds_TAB_END__,

                           argv[1])) != (struct cmd *) 0) {

        (cmd->fun) (argc, argv);

        return;

    }

    lcd_usage ("unrecognized command");

}

//--------------------------------------------------------------------------

// lcd_echo --

//

static void

lcd_echo (int argc, char *argv[])

{

    bool newline;

    int cur =

        CYGACC_CALL_IF_SET_CONSOLE_COMM

        (CYGNUM_CALL_IF_SET_COMM_ID_QUERY_CURRENT);

    CYGACC_CALL_IF_SET_CONSOLE_COMM (2);

    newline = true;

    if (argc > 2) {

        int i = 2;

        if (strncmp (&argv[i][0], "-n", 2) == 0) {

            newline = false;

            i++;

        }

        for (; i < argc; i++) {

            diag_write_string (&argv[i][0]);

            if ((argc - i) > 1)

                diag_write_char (' ');

        }

    }

    if (newline)

        diag_write_char ('\n');

    CYGACC_CALL_IF_SET_CONSOLE_COMM (cur);

    return;

}

//--------------------------------------------------------------------------

// lcd_clear --

//

static void

lcd_clear (int argc, char *argv[])

{

    // It clears a LCD screen. It doesn't touch a LCD controller, just a

    // scrolling.

    redboot_exec ("lcd", "echo", 0);

    redboot_exec ("lcd", "echo", 0);

    redboot_exec ("lcd", "echo", 0);

    return;

}

//--------------------------------------------------------------------------

// lcd_dark --

//

static void

lcd_dark (int argc, char *argv[])

{

    hal_diag_led (0);

    return;

}

//--------------------------------------------------------------------------

// lcd_light --

//

static void

lcd_light (int argc, char *argv[])

{

    hal_diag_led (1);

    return;

}

// indent: --indent-level4 -br -nut; vim: expandtab tabstop=4 shiftwidth=4

//--------------------------------------------------------------------------

// EOF redboot_cmds.c