ugnen

commit 5598d9695c6841bbecdab728e2360be7ca42631f
parent c4d7b388c39f52e5ebdb91feed1d77e0b6af5724
Author: rbckman <rob@tarina.org>
Date:   Thu,  8 Sep 2022 11:24:39 +0300

read temperature with raspberry

Diffstat:
M
ugnen.py
 | 
21
+++++++++++++++------

1 file changed, 15 insertions(+), 6 deletions(-)
diff --git a/ugnen.py b/ugnen.py
@@ -5,8 +5,16 @@ import requests
 import socket
 import os
 import pickle
-import serial
+#import serial
 import blessed
+import max6675
+
+# set the pin for communicate with MAX6675
+cs = 22
+sck = 18
+so = 16
+# max6675.set_pin(CS, SCK, SO, unit)   [unit : 0 - raw, 1 - Celsius, 2 - Fahrenheit]
+max6675.set_pin(cs, sck, so, 1)
 
 term = blessed.Terminal()
 
@@ -40,14 +48,15 @@ GPIO.setup(relaypin, GPIO.OUT) #RELAY
 GPIO.output(relaypin, GPIO.LOW)
 
 
-try:
-    arduino = serial.Serial(port='/dev/ttyUSB0', baudrate=9600, timeout=.1)
-except:
-    arduino = ''
+#try:
+#    arduino = serial.Serial(port='/dev/ttyUSB0', baudrate=9600, timeout=.1)
+#except:
+#    arduino = ''
 
 def read_temp():
     try:
-        temp = arduino.readline().decode('utf-8').rstrip()
+        temp = max6675.read_temp(cs)
+        #temp = arduino.readline().decode('utf-8').rstrip()
     except:
         return 0
     return temp