Python get_eeprom_buf примеры использования

Пример #1

Файл: test_libftdi_complete.py Проект: hackerlank/libmpsse

# read chip id
ret, chipid = ftdi.read_chipid(ftdic)
if (ret == 0):
    print('chip id: %X\n' % chipid)

# read eeprom
eeprom_addr = 1
ret, eeprom_val = ftdi.read_eeprom_location(ftdic, eeprom_addr)
if (ret == 0):
    print('eeprom @ %d: 0x%04x\n' % (eeprom_addr, eeprom_val))

print('eeprom:')
ret = ftdi.read_eeprom(ftdic)
size = 128
ret, eeprom = ftdi.get_eeprom_buf(ftdic, size)
if (ret == 0):
    for i in range(size):
        if isinstance(eeprom[i], str):
            octet = ord(eeprom[i])  # python2
        else:
            octet = eeprom[i]  # python3
        sys.stdout.write('%02x ' % octet)
        if (i % 8 == 7):
            print('')
print('')

# close usb
ret = ftdi.usb_close(ftdic)
if ret < 0:
    print('unable to close ftdi device: %d (%s)' %

Пример #2

Файл: complete.py Проект: BuLogics/libftdi

# read chip id
ret, chipid = ftdi.read_chipid(ftdic)
if (ret == 0):
    print('chip id: %x\n' % chipid)


# read eeprom
eeprom_addr = 1
ret, eeprom_val = ftdi.read_eeprom_location(ftdic, eeprom_addr)
if (ret == 0):
    print('eeprom @ %d: 0x%04x\n' % (eeprom_addr, eeprom_val))

print('eeprom:')
ret = ftdi.read_eeprom(ftdic)
size = 128
ret, eeprom = ftdi.get_eeprom_buf(ftdic, size)
if (ret == 0):
    for i in range(size):
        octet = eeprom[i]
        if sys.version_info[0] < 3:  # python 2
            octet = ord(octet)
        sys.stdout.write('%02x ' % octet)
        if (i % 8 == 7):
            print('')
print('')

# close usb
ret = ftdi.usb_close(ftdic)
if ret < 0:
    print('unable to close ftdi device: %d (%s)' %
          (ret, ftdi.get_error_string(ftdic)))

Пример #3

Файл: cbus.py Проект: danielkucera/libftdi

  # Read the chip id.
  ret, chipid = ftdi.read_chipid(ftdic)
  if ret < 0:
    raise ErrorMsg('ftdi.read_chipid error = %s' % ftdi.get_error_string(ftdic))
  print 'chip id=0x%08X' % (chipid % 2**32)

  # Read the EEPROM
  ret = ftdi.read_eeprom(ftdic)
  if ret < 0:
    raise ErrorMsg('ftdi.read_eeprom error = %s' % ftdi.get_error_string(ftdic))

  # Get a read-only copy of the EEPROM
  if True:
    eeprom_size = ftdic.eeprom.size
    ret, eeprom_buf = ftdi.get_eeprom_buf(ftdic, eeprom_size)
    if ret < 0:
      raise ErrorMsg('ftdi.get_eeprom_buf error = %s' % ftdi.get_error_string(ftdic))
    for i in range(0,eeprom_size,16):
      sys.stdout.write('%04x:  ' % i)
      for j in range(16):
        sys.stdout.write('%02x ' % ord(eeprom_buf[i+j]))
        if j in (7,15,):
          sys.stdout.write(' ')
      for j in range(16):
        x = eeprom_buf[i+j]
        if 32 <= ord(x) <= 0x7E:
          sys.stdout.write(x)
        else:
          sys.stdout.write('.')
      sys.stdout.write('\n')

Пример #4

Файл: cbus.py Проект: BuLogics/libftdi

  # Read the chip id.
  ret, chipid = ftdi.read_chipid(ftdic)
  if ret < 0:
    raise ErrorMsg('ftdi.read_chipid error = %s' % ftdi.get_error_string(ftdic))
  print 'chip id=0x%08X' % (chipid % 2**32)

  # Read the EEPROM
  ret = ftdi.read_eeprom(ftdic);
  if ret < 0:
    raise ErrorMsg('ftdi.read_eeprom error = %s' % ftdi.get_error_string(ftdic))

  # Get a read-only copy of the EEPROM
  if True:
    eeprom_size = ftdic.eeprom.size
    ret, eeprom_buf = ftdi.get_eeprom_buf(ftdic, eeprom_size)
    if ret < 0:
      raise ErrorMsg('ftdi.get_eeprom_buf error = %s' % ftdi.get_error_string(ftdic))
    for i in range(0,eeprom_size,16):
      sys.stdout.write('%04x:  ' % i)
      for j in range(16):
        sys.stdout.write('%02x ' % ord(eeprom_buf[i+j]))
        if j in (7,15,):
          sys.stdout.write(' ')
      for j in range(16):
        x = eeprom_buf[i+j]
        if 32 <= ord(x) <= 0x7E:
          sys.stdout.write(x)
        else:
          sys.stdout.write('.')
      sys.stdout.write('\n');