I have uploaded the dependencies to our repo
smbus-python3.6.tcz
RPi-GPIO-python3.6.tcz
Install them from the extensions web page.
This is the actual script, save it to your home directory as
/home/tc/argononed.py
Then put in the user commands on the pcp tweaks page.
python3 /home/tc/argononed.py
Code:
--------------------
#!/usr/bin/python
import smbus
import RPi.GPIO as GPIO
import os
import time
from threading import Thread
rev = GPIO.RPI_REVISION
if rev == 2 or rev == 3:
bus = smbus.SMBus(1)
else:
bus = smbus.SMBus(0)
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
shutdown_pin=4
GPIO.setup(shutdown_pin, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
def shutdown_check():
while True:
pulsetime = 1
GPIO.wait_for_edge(shutdown_pin, GPIO.RISING)
time.sleep(0.01)
while GPIO.input(shutdown_pin) == GPIO.HIGH:
time.sleep(0.01)
pulsetime += 1
if pulsetime >=2 and pulsetime <=3:
os.system("pcp rb")
elif pulsetime >=4 and pulsetime <=5:
os.system("pcp sd")
def get_fanspeed(tempval, configlist):
for curconfig in configlist:
curpair = curconfig.split("=")
tempcfg = float(curpair[0])
fancfg = int(float(curpair[1]))
if tempval >= tempcfg:
return fancfg
return 0
def load_config(fname):
newconfig = []
try:
with open(fname, "r") as fp:
for curline in fp:
if not curline:
continue
tmpline = curline.strip()
if not tmpline:
continue
if tmpline[0] == "#":
continue
tmppair = tmpline.split("=")
if len(tmppair) != 2:
continue
tempval = 0
fanval = 0
try:
tempval = float(tmppair[0])
if tempval < 0 or tempval > 100:
continue
except:
continue
try:
fanval = int(float(tmppair[1]))
if fanval < 0 or fanval > 100:
continue
except:
continue
newconfig.append(
"{:5.1f}={}".format(tempval,fanval))
if len(newconfig) > 0:
newconfig.sort(reverse=True)
except:
return []
return newconfig
def temp_check():
fanconfig = ["65=100", "60=55", "55=10"]
tmpconfig = load_config("etc/argononed.conf")
if len(tmpconfig) > 0:
fanconfig = tmpconfig
address=0x1a
prevblock=0
while True:
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)
try:
t1 = Thread(target = shutdown_check)
t2 = Thread(target = temp_check)
t1.start()
t2.start()
except:
t1.stop()
t2.stop()
GPIO.cleanup()
--------------------
piCorePlayer a small player for the Raspberry Pi in RAM.
Homepage: https://www.picoreplayer.org
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(https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=U7JHY5WYHCNRU&lc=GB¤cy_code=USD&bn=PP%2dDonationsBF%3abtn_donateCC_LG%2egif%3aNonHosted)
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