55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
|
#!/usr/bin/env python
|
||
|
|
||
|
import os.path
|
||
|
import subprocess
|
||
|
try:
|
||
|
from sonic_psu.psu_base import PsuBase
|
||
|
except ImportError as e:
|
||
|
raise ImportError (str(e) + "- required module not found")
|
||
|
|
||
|
class PsuUtil(PsuBase):
|
||
|
"""Platform-specific PSUutil class"""
|
||
|
|
||
|
def __init__(self):
|
||
|
PsuBase.__init__(self)
|
||
|
MAX_PSUS = 2
|
||
|
|
||
|
def get_num_psus(self):
|
||
|
MAX_PSUS = 2
|
||
|
return MAX_PSUS
|
||
|
|
||
|
def get_psu_status(self, index):
|
||
|
if index is None:
|
||
|
return False
|
||
|
|
||
|
cmdstatus, psustatus = subprocess.getstatusoutput('i2cget -y 0 0x41 0xa') #need to verify the cpld register logic
|
||
|
psustatus = int(psustatus, 16)
|
||
|
if cmdstatus == 0:
|
||
|
if index == 1:
|
||
|
psustatus = psustatus&4
|
||
|
if psustatus == 4 :
|
||
|
return True
|
||
|
if index == 2:
|
||
|
psustatus = psustatus&8
|
||
|
if psustatus == 8 :
|
||
|
return True
|
||
|
return False
|
||
|
|
||
|
def get_psu_presence(self, index):
|
||
|
if index is None:
|
||
|
return False
|
||
|
|
||
|
cmdstatus , psustatus = subprocess.getstatusoutput('i2cget -y 0 0x41 0xa') #need to verify the cpld register logic
|
||
|
psustatus = int(psustatus, 16)
|
||
|
if cmdstatus == 0:
|
||
|
if index == 1:
|
||
|
psustatus = psustatus&1
|
||
|
if psustatus == 1 :
|
||
|
return True
|
||
|
if index == 2:
|
||
|
psustatus = psustatus&2
|
||
|
if psustatus == 2 :
|
||
|
return True
|
||
|
return False
|
||
|
|