77 lines
2.0 KiB
Python
Executable File
77 lines
2.0 KiB
Python
Executable File
#!/usr/bin/env python
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import sys
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import os.path
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if sys.version_info[0] < 3:
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import commands as cmd
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else:
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import subprocess as cmd
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smbus_present = 1
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try:
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import smbus
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except ImportError as e:
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smbus_present = 0
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try:
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from sonic_psu.psu_base import PsuBase
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except ImportError as e:
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raise ImportError (str(e) + "- required module not found")
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class PsuUtil(PsuBase):
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"""Platform-specific PSUutil class"""
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def __init__(self):
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PsuBase.__init__(self)
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MAX_PSUS = 2
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def get_num_psus(self):
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MAX_PSUS = 2
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return MAX_PSUS
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def get_psu_status(self, index):
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if index is None:
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return False
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if smbus_present == 0:
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cmdstatus, psustatus = cmd.getstatusoutput('i2cget -y 0 0x41 0xa') #need to verify the cpld register logic
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psustatus = int(psustatus, 16)
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else :
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bus = smbus.SMBus(0)
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DEVICE_ADDRESS = 0x41
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DEVICE_REG = 0xa
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psustatus = bus.read_byte_data(DEVICE_ADDRESS, DEVICE_REG)
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if index == 1:
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psustatus = psustatus&4
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if psustatus == 4 :
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return True
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if index == 2:
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psustatus = psustatus&8
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if psustatus == 8 :
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return True
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return False
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def get_psu_presence(self, index):
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if index is None:
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return False
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if smbus_present == 0:
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cmdstatus, psustatus = cmd.getstatusoutput('i2cget -y 0 0x41 0xa') #need to verify the cpld register logic
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psustatus = int(psustatus, 16)
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else :
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bus = smbus.SMBus(0)
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DEVICE_ADDRESS = 0x41
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DEVICE_REG = 0xa
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psustatus = bus.read_byte_data(DEVICE_ADDRESS, DEVICE_REG)
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if index == 1:
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psustatus = psustatus&1
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if psustatus == 1 :
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return True
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if index == 2:
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psustatus = psustatus&2
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if psustatus == 2 :
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return True
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return False
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