carsten_h wrote:
>
> I also don't know python, but I would make it the following way:
> >
Code:
--------------------
> > while True:
> temp = os.popen("vcgencmd measure_temp").readline()
> temp = temp.replace("temp=","")
> val = float(temp.replace("'C",""))
> fanconfig = load_config("/home/tc/argononed.conf")
> block = get_fanspeed(val, fanconfig)
> if block < prevblock:
> time.sleep(30)
> prevblock = block
> try:
> bus.write_byte(address,block)
> except IOError:
> temp=""
> time.sleep(30)
>
--------------------
> >
>
> But I don't know what happens to the performance then, because every
> 30 seconds the file has to be opened, read and closed.
> You can try it. :-)
This works perfectly. The argononed.conf file can now be edited while
the script is running, and the changes are applied on the fly. In fact
I moved the whole fanconfig block inside the loop, so that the script
will continue to operate with the defaults even if the conf file is
deleted.
Code:
--------------------
def temp_check():
# fanconfig = ["65=100", "60=55", "57=30", "55=10", "30=0"]
# tmpconfig = load_config("etc/argononed.conf")
# tmpconfig = load_config("/home/tc/argononed.conf")
# if len(tmpconfig) > 0:
# fanconfig = tmpconfig
address=0x1a
prevblock=0
while True:
fanconfig = ["65=100", "60=55", "57=30", "55=10", "30=0"]
tmpconfig = load_config("/home/tc/argononed.conf")
if len(tmpconfig) > 0:
fanconfig = tmpconfig
temp = os.popen("vcgencmd measure_temp").readline()
temp = temp.replace("temp=","")
val = float(temp.replace("'C",""))
block = get_fanspeed(val, fanconfig)
if block < prevblock:
time.sleep(30)
prevblock = block
try:
bus.write_byte(address,block)
except IOError:
temp=""
time.sleep(30)
--------------------
This is useful for testing purposes - I changed the conf file to contain
a single entry, '35=100', and within 30 seconds the fan came on at 100%.
I renamed the conf file, and within 30 seconds the fan turned off again
in accordance with the defaults in the python script.
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