Esempio n. 1
0
static void testit(const char *ser_fn_base)
{
	char *ser_fn = test_filename(ser_fn_base);
	void *data = NULL;
	size_t data_len = 0;

	bool rc = bu_read_file(ser_fn, &data, &data_len, 10*1000*1000);
	assert(rc == true);

	struct const_buffer buf = { data, data_len };

	struct mbuf_reader mbr;
	mbr_init(&mbr, &buf);

	rc = mbr_read(&mbr);
	assert(rc == true);
	assert(mbr.eof == false);
	assert(mbr.error == false);

	assert(!strncmp(mbr.msg.hdr.command, "block", 12));

	rc = mbr_read(&mbr);
	assert(rc == false);
	assert(mbr.eof == true);
	assert(mbr.error == false);

	mbr_free(&mbr);
	free(data);
	free(ser_fn);
}
Esempio n. 2
0
/*----------------------------------------------------------------------------*/
int
diskio_detect_devices()
{
  struct mbr mbr;
  int dev_num = 0;
  int i = 0, index = 0;

  memset(devices, 0, DISKIO_MAX_DEVICES * sizeof (struct diskio_device_info));

#ifdef FLASH_INIT
  if (FLASH_INIT() == 0) {
    devices[index].type = DISKIO_DEVICE_TYPE_GENERIC_FLASH;
    devices[index].number = dev_num;
    /* This Flash has 4096 Pages */
    devices[index].num_sectors = 4096;
    /* A Page is 528 Bytes long, but for easier acces we use only 512 Byte*/
    devices[index].sector_size = 512;
    devices[index].first_sector = 0;
    index += 1;
  }
#endif
  
#ifdef SD_INIT
  if (SD_INIT() == 0) {
    devices[index].type = DISKIO_DEVICE_TYPE_SD_CARD;
    devices[index].number = dev_num;
    devices[index].num_sectors = microSD_get_block_num();
    devices[index].sector_size = microSD_get_block_size();
    devices[index].first_sector = 0;
    if (devices[index].sector_size > DISKIO_MAX_SECTOR_SIZE) {
      goto end_of_function;
    }
    
    mbr_init(&mbr);
    mbr_read(&devices[index], &mbr);
    index += 1;
    for (i = 0; i < 4; ++i) {
      if (mbr_hasPartition(&mbr, i + 1) != 0) {
        devices[index].type = DISKIO_DEVICE_TYPE_SD_CARD | DISKIO_DEVICE_TYPE_PARTITION;
        devices[index].number = dev_num;
        devices[index].partition = i + 1;
        devices[index].num_sectors = mbr.partition[i].lba_num_sectors;
        devices[index].sector_size = devices[dev_num].sector_size;
        devices[index].first_sector = mbr.partition[i].lba_first_sector;
        index += 1;
      }
    }

    dev_num += 1;
    index += 1;
  }
#endif

end_of_function:

  if (index == 0) {
    return DISKIO_FAILURE;
  }

  return DISKIO_SUCCESS;
}
Esempio n. 3
0
/*----------------------------------------------------------------------------*/
int
diskio_detect_devices()
{
  struct mbr mbr;
  int dev_num = 0;
  int i = 0, index = 0;

  memset(devices, 0, DISKIO_MAX_DEVICES * sizeof (struct diskio_device_info));

/** @todo Place definitions at proper position */
#ifndef FLASH_ARCH_NUM_SECTORS	
    /* This Flash has 4096 Pages */
#define FLASH_ARCH_NUM_SECTORS	4096
#endif
#ifndef FLASH_ARCH_SECTOR_SIZE
    /* A Page is 528 Bytes long, but for easier access we use only 512 Byte*/
#define FLASH_ARCH_SECTOR_SIZE	512
#endif

#ifdef FLASH_INIT
  if (FLASH_INIT() == 0) {
    devices[index].type = DISKIO_DEVICE_TYPE_GENERIC_FLASH;
    devices[index].number = dev_num;
    devices[index].num_sectors = FLASH_ARCH_NUM_SECTORS;
    devices[index].sector_size = FLASH_ARCH_SECTOR_SIZE;
    devices[index].first_sector = 0;
    index += 1;
  }
#endif /* FLASH_INIT */
  
#ifdef SD_INIT
  if (SD_INIT() == 0) {
    devices[index].type = DISKIO_DEVICE_TYPE_SD_CARD;
    devices[index].number = dev_num;
    devices[index].num_sectors = SD_GET_BLOCK_NUM();
    devices[index].sector_size = SD_GET_BLOCK_SIZE();
    devices[index].first_sector = 0;
    if (devices[index].sector_size > DISKIO_MAX_SECTOR_SIZE) {
      goto end_of_function;
    }
    
    mbr_init(&mbr);
    mbr_read(&devices[index], &mbr);
    index += 1;
    // test for max 5 partitions
    for (i = 0; i < 4; ++i) {
      if (mbr_hasPartition(&mbr, i + 1) != 0) {
        devices[index].type = DISKIO_DEVICE_TYPE_SD_CARD | DISKIO_DEVICE_TYPE_PARTITION;
        devices[index].number = dev_num;
        devices[index].partition = i + 1;
        devices[index].num_sectors = mbr.partition[i].lba_num_sectors;
        devices[index].sector_size = devices[dev_num].sector_size;
        devices[index].first_sector = mbr.partition[i].lba_first_sector;
        index += 1;
      }
    }

    dev_num += 1;
    index += 1;
  }
#endif /* SD_INIT */

end_of_function:

  if (index == 0) {
    return DISKIO_FAILURE;
  }

  return DISKIO_SUCCESS;
}