monitor.c

最新的LPC214X Monitor驱动程序

    monitorDumpMemory (address, A24C1024_SIZE - 1, (unsigned int) buffer, l);
  }

  return 0;
}

static int monitorEEIReadAddr (int argc, portCHAR **argv)
{
  unsigned int address;
  
  if (!getNumber (argv [0], &address))
    return 0;

  if (a24c1024SetAddress (address))
  {
    printf ("Error: address out of range\n");
    return 0;
  }

  return monitorEEIRead (--argc, ++argv);
}

static int monitorEEIWriteCommon (int argc, portCHAR **argv, unsigned char *buffer, int bufferLength)
{
  int i;

  for (i = 0; i < argc; i++)
  {
    unsigned int n;

    if (i >= bufferLength)
    {
      printf ("Error: buffer too small for number of arguments\n");
      return -1;
    }

    if (!getNumber (argv [i], &n))
      return 0;

    if (n > 255)
    {
      printf ("Error: data must be 0x00..0xff (0..255)\n");
      return -1;
    }

    buffer [i] = n;
  }

  return 0;
}

//
//  Note the two reserved bytes at the beginning of the buffer.  These are
//  reserved for the address we're writing to in the EEPROM.  They're populated
//  by the a24c1024Write() routine.  This feel hackish, but unlike the read
//  routines, we can't send the address, then a repeated start bit to switch to
//  write.
//
static int monitorEEIWrite (int argc, portCHAR **argv)
{
  unsigned char buffer [18];

  if (monitorEEIWriteCommon (argc, argv, &buffer [2], sizeof (buffer) - 2))
    return 0;

  if (((a24c1024GetAddress () + (argc - 1)) ^ a24c1024GetAddress ()) & A24C1024_PAGESIZE)
    printf ("Error: write would cross a %d page boundary\n", A24C1024_PAGESIZE);
  else if (a24c1024Write (buffer, argc))
    printf ("a24c1024Write() returned %d/%s\n", i2cGetErrno (), i2cStrerror (i2cGetErrno ()));

  return 0;
}

static int monitorEEIWriteAddr (int argc, portCHAR **argv)
{
  unsigned int address;

  if (!getNumber (argv [0], &address))
    return 0;

  if (a24c1024SetAddress (address))
  {
    printf ("Error: address out of range\n");
    return 0;
  }

  return monitorEEIWrite (--argc, ++argv);
}

static int monitorEEIFillAddr (int argc __attribute__ ((unused)), portCHAR **argv)
{
  unsigned int address;
  unsigned int length;
  unsigned int fillChar;

  if (!getNumber (argv [0], &address) || !getNumber (argv [1], &length) || !getNumber (argv [2], &fillChar))
    return 0;

  if (fillChar > 255)
    printf ("Error: fill value must be 0x00..0xff (0..255)\n");
  else if (a24c1024FillAddress (address, length, fillChar))
    printf ("a24c1024FillAddress() returned error %d/%s\n", i2cGetErrno (), i2cStrerror (i2cGetErrno ()));

  return 0;
}
#endif

#ifdef CFG_M25LC512
//
//  Why, yes, some of this code *is* nearly identical to the 'eei' commands...
//
static int m25lc512WriteGate = FALSE;

static int monitorEESuIPCheck (void)
{
#ifdef CFG_UIP
  if (uipIsRunning ())
  {
    printf ("Can't use 'ees' commands while uIP is running\n");
    return 1;
  }
#endif

  return 0;
}

static m25lc_e monitorEESWriteGate (void)
{
  if (m25lc512WriteGate)
  {
    m25lc_e r;

    if ((r = m25lc512WriteEnable ()) != M25LC_OK)
      printf ("m25lc512WriteEnable() returned error %d/%s\n", r, m25lc512Strerror (r));

    return r;
  }

  printf ("Write has not enabled with 'ees wren'\n");

  return M25LC_WP;
}

static int monitorEESAddr (int argc __attribute__ ((unused)), portCHAR **argv)
{
  unsigned int address;
  m25lc_e r;

  if (monitorEESuIPCheck ())
    return 0;

  if (!getNumber (argv [0], &address))
    return 0;

  if ((r = m25lc512SetAddress (address)) != M25LC_OK)
  {
    printf ("m25lc512SetAddress() returned error %d/%s\n", r, m25lc512Strerror (r));
    m25lc512SetAddress (0);
  }

  return 0;
}

static int monitorEESRead (int argc, portCHAR **argv)
{
  unsigned int address;
  unsigned int length = 256;
  unsigned char buffer [64];
  unsigned int i;
  m25lc_e r;

  if (monitorEESuIPCheck ())
    return 0;

  if (argc && !getNumber (argv [0], &length))
    return 0;

  for (address = m25lc512GetAddress (), i = 0; i < length; i += sizeof (buffer), address = (address + sizeof (buffer)) % M25LC512_SIZE)
  {
    unsigned int l;

    if (!(l = i % sizeof (buffer)))
      l = MIN (length, sizeof (buffer));

    if ((r = m25lc512Read (buffer, l)) != M25LC_OK)
    {
      printf ("m25lc512Read() returned error %d/%s\n", r, m25lc512Strerror (r));
      return 0;
    }

    monitorDumpMemory (address, M25LC512_SIZE - 1, (unsigned int) buffer, l);
  }

  return 0;
}

static int monitorEESReadAddr (int argc, portCHAR **argv)
{
  unsigned int address;
  m25lc_e r;

  if (monitorEESuIPCheck ())
    return 0;

  if (!getNumber (argv [0], &address))
    return 0;

  if ((r = m25lc512SetAddress (address)) != M25LC_OK)
  {
    printf ("m25lc512SetAddress() returned error %d/%s\n", r, m25lc512Strerror (r));
    return 0;
  }
  
  return monitorEESRead (--argc, ++argv);
}

static int monitorEESWriteCommon (int argc, portCHAR **argv, unsigned char *buffer, int bufferLength)
{
  int i;

  for (i = 0; i < argc; i++)
  {
    unsigned int n;

    if (i >= bufferLength)
    {
      printf ("Error: buffer too small for number of arguments\n");
      return -1;
    }

    if (!getNumber (argv [i], &n))
      return 0;

    if (n > 255)
    {
      printf ("Error: data must be 0x00..0xff (0..255)\n");
      return -1;
    }

    buffer [i] = n;
  }

  return 0;
}

static int monitorEESWrite (int argc, portCHAR **argv)
{
  unsigned char buffer [16];
  m25lc_e r;

  if (monitorEESuIPCheck ())
    return 0;

  if (monitorEESWriteCommon (argc, argv, buffer, sizeof (buffer)))
    return 0;

  if (monitorEESWriteGate () == M25LC_OK)
  {
    if (((m25lc512GetAddress () + (argc - 1)) ^ m25lc512GetAddress ()) & M25LC512_PAGESIZE)
      printf ("Error: write would cross a %d page boundary\n", M25LC512_PAGESIZE);
    else if ((r = m25lc512Write (buffer, argc)) != M25LC_OK)
      printf ("m25lc512Write() returned error %d/%s\n", r, m25lc512Strerror (r));
  }

  return 0;
}

static int monitorEESWriteAddr (int argc, portCHAR **argv)
{
  unsigned int address;
  m25lc_e r;

  if (monitorEESuIPCheck ())
    return 0;

  if (!getNumber (argv [0], &address))
    return 0;

  if ((r = m25lc512SetAddress (address)) != M25LC_OK)
  {
    printf ("m25lc512SetAddress() returned error %d/%s\n", r, m25lc512Strerror (r));
    return 0;
  }

  return monitorEESWrite (--argc, ++argv);
}

static int monitorEESFillAddr (int argc __attribute__ ((unused)), portCHAR **argv)
{
  unsigned int address;
  unsigned int length;
  unsigned int fillChar;
  m25lc_e r;

  if (monitorEESuIPCheck ())
    return 0;

  if (!getNumber (argv [0], &address) || !getNumber (argv [1], &length) || !getNumber (argv [2], &fillChar))
    return 0;

  if (fillChar > 255)
    printf ("Error: fill value must be 0x00..0xff (0..255)\n");
  else if (monitorEESWriteGate () == M25LC_OK)
    if ((r = m25lc512FillAddress (address, length, fillChar)) != M25LC_OK)
      printf ("m25lc512FillAddress() returned error %d/%s\n", r, m25lc512Strerror (r));

  return 0;
}

static int monitorEESEraseChip (int argc __attribute__ ((unused)), portCHAR **argv __attribute__ ((unused)))
{
  m25lc_e r;

  if (monitorEESuIPCheck ())
    return 0;

  if (monitorEESWriteGate () == M25LC_OK)
    if ((r = m25lc512EraseChip ()) != M25LC_OK)
      printf ("m25lc512EraseChip() returned error %d/%s\n", r, m25lc512Strerror (r));

  return 0;
}

static int monitorEESEraseSector (int argc __attribute__ ((unused)), portCHAR **argv)
{
  unsigned int sector;
  m25lc_e r;

  if (monitorEESuIPCheck ())
    return 0;

  if (!getNumber (argv [0], &sector))
    return 0;

  if (monitorEESWriteGate () == M25LC_OK)
  {
    if ((r = m25lc512EraseSector (sector)) == M25LC_SECTORERR)
      printf ("Error:  sector out of range, must be 0..0x%x (0..%d)\n", M25LC512_LASTSECTOR, M25LC512_LASTSECTOR);
    else if (r != M25LC_OK)
      printf ("m25lc512EraseSector() returned error %d/%s\n", r, m25lc512Strerror (r));
  }

  return 0;
}

static int monitorEESErasePage (int argc __attribute__ ((unused)), portCHAR **argv)
{
  unsigned int page;
  m25lc_e r;

  if (monitorEESuIPCheck ())
    return 0;

  if (!getNumber (argv [0], &page))
    return 0;

  if (monitorEESWriteGate () == M25LC_OK)
  {
    if ((r = m25lc512ErasePage (page)) == M25LC_PAGEERR)
      printf ("Error:  page out of range, must be 0..0x%x (0..%d)\n", M25LC512_LASTPAGE, M25LC512_LASTPAGE);
    else if (r != M25LC_OK)
      printf ("m25lc512ErasePage() returned error %d/%s\n", r, m25lc512Strerror (r));
  }

  return 0;
}

static int monitorEESWriteEnable (int argc __attribute__ ((unused)), portCHAR **argv __attribute__ ((unused)))
{
  m25lc_e r;

  if (monitorEESuIPCheck ())
    return 0;

  if ((r = m25lc512WriteEnable ()) != M25LC_OK)
    printf ("m25lc512WriteEnable() returned error %d/%s\n", r, m25lc512Strerror (r));
  else
    m25lc512WriteGate = TRUE;

  return 0;
}

static int monitorEESWriteDisable (int argc __attribute__ ((unused)), portCHAR **argv __attribute__ ((unused)))
{
  m25lc_e r;

  if (monitorEESuIPCheck ())
    return 0;

  if ((r = m25lc512WriteDisable ()) != M25LC_OK)