jgaunt/lenovo-sa120-fanspeed-utility
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Merge pull request #5 from kroy-the-rabbit/master

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Allows script to set fan speed on multiple enclosures
This commit is contained in:
Andrew Sorensen
2016-08-21 23:35:45 -07:00
committed by GitHub
parent 923acd7cf3 ef381251aa
commit e61331d80a
1 changed files with 40 additions and 42 deletions
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82
fancontrol.py
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@@ -33,51 +33,49 @@ for chk_device in devices_to_check:
out = check_output(["sg_ses", dev_node], stderr=STDOUT)
if 'ThinkServerSA120' in out:
device = dev_node
break
print("Enclosure found on " + device);
print_speeds(device)
print("Reading current configuration...")
out = check_output(["sg_ses", "-p", "0x2", device, "--raw"]).decode('utf-8')
s = out.split()
for i in range(0, 6):
print("Setting fan {} to {}".format(i, fan))
idx = 88 + 4 * i
s[idx+0] = "80"
s[idx+1] = "00"
s[idx+2] = "00"
s[idx+3] = format(1 << 5 | fan & 7, "x")
output = StringIO()
off = 0
count = 0
line = ''
while True:
output.write(s[off])
off = off + 1
count = count + 1
if count == 8 :
output.write(" ")
elif count == 16:
output.write("\n")
count=0
else:
output.write(" ")
if off >= len(s):
break
output.write("\n")
p = Popen(['sg_ses', '-p', '0x2', device, '--control', '--data', '-'], stdout=PIPE, stdin=PIPE, stderr=PIPE)
print("Set fan speeds... Waiting to get fan speeds (ctrl+c to skip)")
print(p.communicate(input=bytearray(output.getvalue(), 'utf-8'))[0].decode('utf-8'))
time.sleep(10)
print_speeds(device)
except:
print("Enclosure not found on " + dev_node)
if device == "":
print("Could not find enclosure")
sys.exit(1)
print("Enclosure found on " + device);
print_speeds(device)
print("Reading current configuration...")
out = check_output(["sg_ses", "-p", "0x2", device, "--raw"]).decode('utf-8')
s = out.split()
for i in range(0, 6):
print("Setting fan {} to {}".format(i, fan))
idx = 88 + 4 * i
s[idx+0] = "80"
s[idx+1] = "00"
s[idx+2] = "00"
s[idx+3] = format(1 << 5 | fan & 7, "x")
output = StringIO()
off = 0
count = 0
line = ''
while True:
output.write(s[off])
off = off + 1
count = count + 1
if count == 8 :
output.write(" ")
elif count == 16:
output.write("\n")
count=0
else:
output.write(" ")
if off >= len(s):
break
output.write("\n")
p = Popen(['sg_ses', '-p', '0x2', device, '--control', '--data', '-'], stdout=PIPE, stdin=PIPE, stderr=PIPE)
print("Set fan speeds... Waiting to get fan speeds (ctrl+c to skip)")
print(p.communicate(input=bytearray(output.getvalue(), 'utf-8'))[0].decode('utf-8'))
time.sleep(10)
print_speeds(device)