add RPi.GPIO to requirements

config.py

@@ -163,7 +163,7 @@ sim_R_ho_air   = 0.05   # K/W  " with internal air circulation
 
 # if you want simulations to happen faster than real time, this can be
 # set as high as 1000 to speed simulations up by 1000 times.
-sim_speedup_factor = 10
+sim_speedup_factor = 1
 
 
 ########################################################################
@@ -239,7 +239,7 @@ ignore_tc_unknown_error = False
 
 # This overrides all possible thermocouple errors and prevents the 
 # process from exiting.
-ignore_tc_too_many_errors = True
+ignore_tc_too_many_errors = False
 
 ########################################################################
 # automatic restarts - if you have a power brown-out and the raspberry pi

lib/oven.py

@@ -7,7 +7,7 @@ import config
 import os
 import digitalio
 import busio
-import bitbangio
+import adafruit_bitbangio as bitbangio
 import statistics
 
 log = logging.getLogger(__name__)

requirements.txt

@@ -6,10 +6,18 @@ gevent-websocket
 websocket-client
 requests
 
+# for folks running raspberry pis
+# we have no proof of anyone using another board yet, but when that 
+# happens, you might want to comment this out.
+RPi.GPIO
+
 # List of all supported adafruit modules for thermocouples
 adafruit-circuitpython-max31855
 adafruit-circuitpython-max31856
 
+# for folks using sw spi (bit banging)
+adafruit-circuitpython-bitbangio
+
 # untested - for PT100 platinum thermocouples
 #adafruit-circuitpython-max31865
 

test-thermocouple.py

@@ -4,6 +4,7 @@ from digitalio import DigitalInOut
 import time
 import datetime
 import busio
+import adafruit_bitbangio as bitbangio
 
 try:
     import board
@@ -43,6 +44,7 @@ if spi is None:
     print("Software SPI selected for reading thermocouple")
 
 cs = DigitalInOut(config.spi_cs)
+cs.switch_to_output(value=True)
 sensor = None
 
 print("\nboard: %s" % (board.board_id))
@@ -62,7 +64,6 @@ print("    config.spi_miso = %s BCM pin" % (config.spi_miso))
 print("    config.spi_cs   = %s BCM pin\n" % (config.spi_cs))
 print("Degrees displayed in %s\n" % (config.temp_scale))
 
-
 while(True):
    time.sleep(1)
    temp = sensor.temperature

ziplogs

@@ -3,7 +3,7 @@
 echo "----------------------------------------------"
 echo "| Writing all kiln logs to ./kiln.logs.gz... |"
 echo "----------------------------------------------"
-zgrep --no-filename -E "(INFO|WARN|ERROR) (oven|kiln-controller|gevent)" /var/log/* 2>/dev/null|strings|sort|uniq|gzip > kiln.logs.gz
+zcat -f /var/log/* 2>/dev/null|strings|grep -E "(INFO|WARN|ERROR) (oven|kiln-controller|gevent)"|sort|uniq|gzip > kiln.logs.gz
 
 ls -la kiln.logs.gz