jgaunt/lenovo-sa120-fanspeed-utility
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Minor cleanup

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Andrew Sorensen
2016-04-10 13:45:36 -07:00
parent 650ec84b3e
commit c3fd8166ef
1 changed files with 22 additions and 13 deletions
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35
fancontrol.py
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@@ -4,20 +4,27 @@ try:
from StringIO import StringIO from StringIO import StringIO
except ImportError: except ImportError:
from io import StringIO from io import StringIO
from subprocess import check_output from subprocess import check_output, Popen, PIPE, STDOUT
def print_speeds(): def print_speeds(device):
for i in range(0, 6): for i in range(0, 6):
print("Fan {} speed: {}".format(i, check_output(['sg_ses', '--index=coo,{}'.format(i), '--get=1:2:11', '/dev/sg6']).decode('utf-8').split('\n')[0])) print("Fan {} speed: {}".format(i, check_output(['sg_ses', '--index=coo,{}'.format(i), '--get=1:2:11', device]).decode('utf-8').split('\n')[0]))
print_speeds() if len(sys.argv) < 2:
print("Reading current configuration...") print("python fanspeed.py /dev/sgX 1-7")
out = check_output(["sg_ses", "-p", "0x2", "/dev/sg6", "--raw"]).decode('utf-8')
s = out.split()
if len(sys.argv) < 1:
print("python fanspeed.py 1-7")
sys.exit(-1) sys.exit(-1)
fan = int(sys.argv[1])
device = sys.argv[1]
fan = int(sys.argv[2])
if fan <= 0 or fan > 6:
raise Exception("Fan speed must be between 1 and 7")
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): for i in range(0, 6):
print("Setting fan {} to {}".format(i, fan)) print("Setting fan {} to {}".format(i, fan))
idx = 92 + 4 * i idx = 92 + 4 * i
@@ -30,6 +37,7 @@ output = StringIO()
off = 0 off = 0
count = 0 count = 0
line = '' line = ''
while True: while True:
output.write(s[off]) output.write(s[off])
off = off + 1 off = off + 1
@@ -43,9 +51,10 @@ while True:
output.write(" ") output.write(" ")
if off >= len(s): if off >= len(s):
break break
output.write("\n") output.write("\n")
from subprocess import Popen, PIPE, STDOUT p = Popen(['sg_ses', '-p', '0x2', device, '--control', '--data', '-'], stdout=PIPE, stdin=PIPE, stderr=PIPE)
p = Popen(['sg_ses', '-p', '0x2', '/dev/sg6', '--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')) print(p.communicate(input=bytearray(output.getvalue(), 'utf-8'))[0].decode('utf-8'))
time.sleep(10) time.sleep(10)
print_speeds() print_speeds(device)