Copy in functioning tests from pi

crawler_software/raspberry_pi/tests/test_i2c.py

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+#  Raspberry Pi Master for Arduino Slave
+#  i2c_master_pi.py
+#  Connects to Arduino via I2C
+  
+#  DroneBot Workshop 2019
+#  https://dronebotworkshop.com
+
+from smbus import SMBus
+import time
+
+addr = 0x8 # bus address
+bus = SMBus(1) # indicates /dev/ic2-1
+
+numb = 1
+
+print ("Enter num")
+
+for _x in range (0, 4):
+	for i in range(70, 130):
+		bus.write_byte(addr, i)
+		time.sleep(0.02)
+	for i in range(130, 70, -1):
+                bus.write_byte(addr, i)
+                time.sleep(0.02)
+
+#while numb == 1:
+#
+#	ledstate = input(">>>>   ")
+#
+#	if ledstate == "1":
+#		bus.write_byte(addr, 0x1) # switch it on
+#	elif ledstate == "0":
+#		bus.write_byte(addr, 0x0) # switch it on
+#	else:
+#		numb = 0

crawler_software/raspberry_pi/tests/test_tx.py

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+import RPi.GPIO as GPIO # Import Raspberry Pi GPIO library
+from time import sleep # Import the sleep function from the time module
+
+GPIO.setwarnings(False) # Ignore warning for now
+GPIO.setmode(GPIO.BOARD) # Use physical pin numbering
+GPIO.setup(12, GPIO.OUT, initial=GPIO.LOW) # Set pin 8 to be an output pin and set initial value to low (off)
+
+while True: # Run forever
+ GPIO.output(12, GPIO.HIGH) # Turn on
+ sleep(1) # Sleep for 1 second
+ GPIO.output(12, GPIO.LOW) # Turn off
+ sleep(1) # Sleep for 1 second