old_contents: import smbus
  import time,timeit
  #import RPi.GPIO as GPIO
  
  # Global varible
  i2c = smbus.SMBus(1)
  addr = 0x68
  
  c_t0 = time.clock()
  t_t0 = time.time()
  
  try:
  	device_id = i2c.read_byte_data(addr,0x75)
  	print "Device ID:" + str(hex(device_id))
  	print "MPU9250 I2C Connected."
  except:
  	print "Connect failed"
  
  
  i2c.write_byte_data(0x68, 0x6a, 0x00)
  i2c.write_byte_data(0x68, 0x37, 0x02)
  i2c.write_byte_data(0x0c, 0x0a, 0x16)
  
  
  # Open File
  f = open("IMU_LOG_9axis.txt", "w")
  
  
  
  
  count = 1
  
  while True:
  	if count <= 500:
  
  
  			
  		i2c.write_byte_data(0x0c, 0x0a, 0x16)
  		xyz_g_offset = i2c.read_i2c_block_data(addr, 0x13, 6)
  		xyz_a_out = i2c.read_i2c_block_data(addr, 0x3B, 6)
  		xyz_g_out = i2c.read_i2c_block_data(addr, 0x43, 6)
  		xyz_a_offset = i2c .read_i2c_block_data(addr, 0x77, 6)
  
  		xyz_mag  = i2c.read_i2c_block_data(0x0c, 0x03, 6)
  
  		c_t1 = time.clock() - c_t0
  		t_t1 = time.time() - t_t0
  
  
  		print >> f, count
  		print >> f, c_t1, t_t1
  		print >> f, xyz_a_out
  		print >> f, xyz_a_offset
  		print >> f, xyz_g_out
  		print >> f, xyz_g_offset
  		print >> f, xyz_mag
  
  		count += 1
  	else:
  		f.close()
  		i2c.write_byte_data(addr, 0x6A, 0x07)
  		break
  
  
  print "Process End"
  
new_contents: import smbus
  import time,timeit
  
  # Global varible
  i2c = smbus.SMBus(1)
  addr = 0x68
  
  c_t0 = time.clock()
  t_t0 = time.time()
  
  try:
  	device_id = i2c.read_byte_data(addr,0x75)
  	print "Device ID:" + str(hex(device_id))
  	print "MPU9250 I2C Connected."
  except:
  	print "Connect failed"
  
  
  # enable MPU9250 I2C SMBus measuring mode.
  i2c.write_byte_data(0x68, 0x6a, 0x00)
  i2c.write_byte_data(0x68, 0x37, 0x02)
  i2c.write_byte_data(0x0c, 0x0a, 0x16)
  
  
  # Open File
  f = open("IMU_LOG_9axis.txt", "w")
  
  count = 1
  
  while True:
  	if count <= 500:
  
  			
  		i2c.write_byte_data(0x0c, 0x0a, 0x16)
  		xyz_g_offset = i2c.read_i2c_block_data(addr, 0x13, 6)
  		xyz_a_out = i2c.read_i2c_block_data(addr, 0x3B, 6)
  		xyz_g_out = i2c.read_i2c_block_data(addr, 0x43, 6)
  		xyz_a_offset = i2c .read_i2c_block_data(addr, 0x77, 6)
  
  		xyz_mag  = i2c.read_i2c_block_data(0x0c, 0x03, 6)
  
  		c_t1 = time.clock() - c_t0
  		t_t1 = time.time() - t_t0
  
  
  		print >> f, count
  		print >> f, c_t1, t_t1
  		print >> f, xyz_a_out
  		print >> f, xyz_a_offset
  		print >> f, xyz_g_out
  		print >> f, xyz_g_offset
  		print >> f, xyz_mag
  
  		count += 1
  		
  	else:
  		f.close()
  		i2c.write_byte_data(addr, 0x6A, 0x07)
  		break
  
  print "Process End"
  
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