sonic-buildimage/device/delta/x86_64-delta_ag5648-r0/plugins/psuutil.py
nealtai 830e1dd560 [device]: Add a new supported device, Delta-ag5648 (#1470)
* [platform]: Add a new supported platform, Delta-ag5648

            CPU : Intel Rangeley C2538
            Swich ASIC: Broadcom Tomahawk BCM56967
            Ports : 48x25G + 6x100G
            Switch SKU : Delta-ag5648

Signed-off-by: neal tai <neal.tai@deltaww.com>

* Delete the file

Delete the auto-generated file.

* [device]: ag5648 remove all *.cmd files.
          remove the files under ag5648/modules

Signed-off-by: neal tai <neal.tai@deltaww.com>

* [device]: ag5648 device drivers
          1. Use the common driver dni_emc2305.c

          ag9032v1 device drivers
          1. Move dni_emc2305.c to be the common driver
          2. Remove at24.c

Signed-off-by: neal tai <neal.tai@deltaww.com>
2018-03-23 15:17:41 -07:00

57 lines
1.5 KiB
Python

import os.path
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)
self.psu_path = "/sys/bus/i2c/devices/6-00{}/"
self.psu_oper_status = "in1_input"
self.psu_presence = "i2cget -y 6 0x{} 0x00"
def get_num_psus(self):
"""
Retrieves the number of PSUs available on the device
:return: An integer, the number of PSUs available on the device
"""
return 2
def get_psu_status(self, index):
if index is None:
return False
Base_bus_number = 57
status = 0
try:
with open(self.psu_path.format(index + Base_bus_number) + self.psu_oper_status, 'r') as power_status:
if int(power_status.read()) == 0 :
return False
else:
status = 1
except IOError:
return False
return status == 1
def get_psu_presence(self, index):
if index is None:
return False
Base_bus_number = 49
status = 0
try:
p = os.popen(self.psu_presence.format(index + Base_bus_number)+ "> /dev/null 2>&1")
if p.readline() != None:
status = 1
p.close()
except IOError:
return False
return status == 1