access_x.c

TDK 6521 SOC 芯片 DEMO程序

/***************************************************************************
 * This code and information is provided "as is" without warranty of any   *
 * kind, either expressed or implied, including but not limited to the     *
 * implied warranties of merchantability and/or fitness for a particular   *
 * purpose.                                                                *
 *                                                                         *
 * Copyright (C) 2005 Teridian Semiconductor Corp. All Rights Reserved.	   *
 *                                                                         *
 ***************************************************************************/
//*************************************************************************
//    
//  DESCRIPTION: 71M651x POWER METER - Memory access routines (Extended).
// 
//  AUTHOR:  MTF
//
//  HISTORY: See end of file
//
//***************************************************************************
//       
//  File: ACCESS_X.C
//       
#include "options.h"
#if (SERIAL0_CLI | SERIAL1_CLI) && TRACE10
#include "ce_ce.h"
#include "cli.h"
#include "flash.h"
#include "io.h"
#include "help.h"
#include <ctype.h>

/*** Private functions declared within this module ***/
// None.

/*** Private variables declared within this module ***/
// None.

#define NUM_CODE_PAGES (0x1000 / FPAGE_SIZE)

//--------------------------------------//
#if TRACE10
void cmd_ce_code_access (void)          // '!' CE code access.
{
    uint8_t c;
    uint8_t data d;
    uint16x_t *x;

    if (CE_ACTIVE)
    {
       start_tx_rslt ("\r\nCE Active, can not read or write CE code space\r\n");
       return;       
    }
                                        // Get data's two-byte address.
    x = (uint16x_t *) (CE_CODE_BASE | ((uint16_t) get_short () << 1));      

    #if FLASH
    c = get_char_d (&d);                // Check for possible FLASH update.
    if ('U' == c)
    {
       uint8_t page;
       uint16r_t *r;

       r = (uint16r_t *) CeCode;             // Copy updated CE_CODE back to FLASH.
       x = (uint16x_t *) CE_CODE_BASE;

       for (c = 0; c < NUM_CODE_PAGES; c++)
       {
          page = (uint16_t) r >> 8;          // Extract page number x 2.
          EA = FALSE;                   // Turn OFF all interrupts.
          FPAGE = page;                 // Set Flash Page Erase Enable.
          ERASE = PAGE_ERASE_;          // Initiate page erase, MPU halted.
          EA = TRUE;                    // Turn interrupts back ON.

          memcpy_rx ((uint8r_t *) r, (uint8x_t *) x, FPAGE_SIZE);
          r += FPAGE_SIZE / sizeof (uint16_t);
          x += FPAGE_SIZE / sizeof (uint16_t); 
       }

       return;       
    }    
    #endif

    switch (c)
    {
       case '?':
       case '$':
          do
          {
             if ('?' == c)
                send_short (*x++);
             else
                send_short_hex (*x++); 

             c = get_char_d (&d) ;
          } while (('?' == c) || ('$' == c));

          send_crlf ();
          break;

       case '=':
          do
          {
             *x++ = get_short ();       
          } while ('=' == get_char_d (&d));

          break;
    }

    cli_index = d;                      // Unget last character.
}
#endif

/***************************************************************************
 * History:
 * $Log: access_x.c,v $
 * Revision 1.8  2006/10/13 00:46:18  tvander
 * Removed compile options for 6530, 6515; renamed 6511 and 6513 to trace11 and trace13; Binary verified unchanged from previous version.
 *
 * Revision 1.7  2006/09/09 01:08:01  gmikef
 * *** empty log message ***
 *
 * Revision 1.6  2006/06/24 05:27:04  tvander
 * Clean build
 *
 * Revision 1.5  2006/03/07 23:57:06  tvander
 * Revised help system for accuracy.
 * Revised help system for compile flags.
 * Clean build
 *
 * Revision 1.4  2006/03/03 11:24:02  Michael T. Fischer
 * Prep for 6530 LCD, etc.
 *
 * Revision 1.3  2006/02/08 03:43:16  tvander
 * Made "import" the default power measurement mode, rather than net-metering
 *
 * Revision 1.3  2005/08/03 18:34:48  tvander
 * Changed copyright to "Teridian Semiconductor Co."
 * Put in alt-mux change in MPU parameters in api_struct.h
 * Revised validity date of cal.c
 *
 * Revision 1.2  2005/02/17 18:32:21  tvander
 * Added automatic check-in logging to all source code.
 *
 * 2004 OCTOBER 21; First Version. 
 * Copyright (C) 2005 Teridian Semiconductor Corp. All Rights Reserved.	   *
 * this program is fully protected by the United States copyright          *
 * laws and is the property of Teridian Semiconductor Corporation.         *
 ***************************************************************************/
#endif