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/* test-erase.c */
/* avr.trace - AVR trace use. {{{
 *
 * Copyright (C) 2008 NĂ©lio Laranjeiro
 *
 * APBTeam:
 *        Web: http://apbteam.org/
 *      Email: team AT apbteam DOT org
 *
 * 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.
 *
 * }}} */
#define BUFFER_SIZE 128

#include "common.h"
#include "io.h"
#include "modules/flash/flash.h"
#include "modules/trace/trace.h"
#include "modules/proto/proto.h"
#include "modules/utils/utils.h"
#include "modules/utils/byte.h"
#include "modules/uart/uart.h"


#include "events.h"

void
flood (void)
{
    uint32_t addr;
    uint32_t count;

    uint16_t id;
    uint32_t speed;
    uint32_t position;
    uint16_t acc;
    uint16_t arg1;
    uint16_t arg2;
    uint32_t arg3;

    /* Initialise the trace module. */
    trace_init ();

    /* Get the start page address of the trace module. */
    addr = trace_addr_current ();
    proto_send3b ('a', addr >> 16, addr >> 8, addr);

    /* Flood the flash memory with traces. */
    /* A little more than 3 memory sectors, a sector is 4 kbytes. */
    for (count = 0; count < 2000; count ++)
      {
	/* Right motor. */
	speed = 1;
	position = 2;
	acc = 3;
	arg1 = 1;
	arg2 = 2;
	arg3 = 3;
	id = TRACE_ASSERV__RIGHT_MOTOR;
	TRACE (id, speed, position, acc);
	id = TRACE_ASSERV__LEFT_MOTOR;
	TRACE (id, speed, position, acc);
	id = TRACE_IA__IA_CMD;
	TRACE (id, arg1, arg2, arg3);
      }

    /* Print the end of the address. */
    addr = trace_addr_current ();
    proto_send3b ('a', addr >> 16, addr >> 8, addr);
}

void
proto_callback (uint8_t cmd, uint8_t size, uint8_t *args)
{
    /* May be unused. */
    uint32_t addr = v8_to_v32 (0, args[0], args[1], args[2]);
    uint8_t buf[16];
    uint8_t error = 0;
#define c(cmd, size) (cmd << 8 | size)
    switch (c (cmd, size))
      {
      case c ('z', 0):
	/* Reset */
	utils_reset ();
	break;
      case c ('e', 0):
	/* Erase full */
	flash_erase (FLASH_ERASE_FULL, 0);
	break;
      case c ('e', 4):
	/* Erase the flash from the address addr and with the hexa code to
	 * erase.*/
	flash_erase (args[3], addr);
	break;
      case c ('i', 0):
	/* Initialise the trace module. */
	trace_init ();
	proto_send1b ('i', trace_status ());
	addr = trace_addr_current ();
	proto_send3b ('a', addr >> 16, addr >> 8, addr);
	break;
      case c ('t', 2):
	/* Trace data:
	 *  - 1b: id.
	 *  - 1b: first data. */
	TRACE (args[0], args[1]);
	break;
      case c ('r', 3):
	/* Read one byte:
	 *  - 3b: address. */
	proto_send1b ('r', flash_read (addr));
	break;
      case c ('r', 4):
	/* Read several bytes:
	 *  - 3b: address.
	 *  - 1b: number of bytes. */
	if (args[3] > sizeof (buf))
	{
	  proto_send0 ('?');
	  return;
	}
	else
	  {
	    flash_read_array (addr, buf, args[3]);
	    proto_send ('r', args[3], buf);
	  }
	break;
      case c ('f', 0):
	/* Flood the memory with 3 sectors.
	*/
	flood ();
	break;
      default:
	if (cmd == 'l')
	  {
	    error = flash_log (size, args);
	  }
	else if (error || (cmd != 'l'))
	  {
	    /* Error */
	    proto_send0 ('?');
	    return;
	  }
      }
    /* Acknowledge what has been done */
    proto_send (cmd, size, args);
}

int
main (void)
{
    uart0_init ();
    proto_send0 ('z');

    while (1)
        proto_accept (uart0_getc ());
}