[platform] Accton AS7712-32X. Update for sensors and sfputil.

device/accton/x86_64-accton_as7712_32x-r0/plugins/sfputil.py

@@ -1,19 +1,19 @@
 #!/usr/bin/env python
 
 try:
- from sonic_sfp.sfputilbase import sfputilbase
+ from sonic_sfp.sfputilbase import SfpUtilBase 
 except ImportError, e:
  raise ImportError (str(e) + "- required module not found")
 
 
-class sfputil(sfputilbase):
- """Platform specific sfputil class"""
+class SfpUtil(SfpUtilBase):
+ """Platform specific SfpUtill class"""
 
- port_start = 0
- port_end = 31
+ _port_start = 0
+ _port_end = 31
  ports_in_block = 32
 
- port_to_eeprom_mapping = {}
+ _port_to_eeprom_mapping = {}
  port_to_i2c_mapping = {
  9 : 18,
  10 : 19,
@@ -51,10 +51,58 @@ class sfputil(sfputilbase):
 
  _qsfp_ports = range(0, ports_in_block + 1)
 
- def __init__(self, port_num):
- # Override port_to_eeprom_mapping for class initialization
+ def __init__(self):
  eeprom_path = '/sys/bus/i2c/devices/{0}-0050/sfp_eeprom'
- for x in range(self.port_start, self.port_end + 1):
+ for x in range(0, self._port_end + 1):
  port_eeprom_path = eeprom_path.format(self.port_to_i2c_mapping[x+1])
- self.port_to_eeprom_mapping[x] = port_eeprom_path
- sfputilbase.__init__(self, port_num)
+ self._port_to_eeprom_mapping[x] = port_eeprom_path
+ SfpUtilBase.__init__(self)
+
+ def reset(self, port_num):
+ return True
+ def set_low_power_mode(self, port_nuM, lpmode):
+ return True
+ def get_low_power_mode(self, port_num):
+ return True
+
+# def get_presence(self, port_num):
+# return True
+
+ def get_presence(self, port_num):
+ # Check for invalid port_num
+ if port_num < self._port_start or port_num > self._port_end:
+ return False
+
+ path = "/sys/bus/i2c/devices/{0}-0050/sfp_is_present"
+ port_ps = path.format(self.port_to_i2c_mapping[port_num+1])
+
+
+ try:
+ reg_file = open(port_ps)
+ except IOError as e:
+ print "Error: unable to open file: %s" % str(e)
+ return False
+
+ reg_value = reg_file.readline().rstrip()
+ if reg_value == '1':
+ return True
+
+ return False
+
+ @property
+ def port_start(self):
+ return self._port_start
+
+ @property
+ def port_end(self):
+ return self._port_end
+
+ @property
+ def qsfp_ports(self):
+ return range(0, self.ports_in_block + 1)
+
+ @property 
+ def port_to_eeprom_mapping(self):
+ return self._port_to_eeprom_mapping
+
+