updates to the pytest tests to fix the issues with pwm, added 2 new tests that bring in 5 total unit tests. python3 unit tests are passing, this will close #42 and close #47

test/integrations/spwmtest.py

@@ -0,0 +1,70 @@
+#!/usr/bin/python
+
+import CHIP_IO.SOFTPWM as SPWM
+import CHIP_IO.GPIO as GPIO
+import time
+import datetime
+import threading
+
+class SPWMReceiver(threading.Thread):
+    def __init__(self,gpio,key,maxcount=20,sleeptime=0.5):
+        self.gpio = gpio
+        self.key = key
+        self.counter = 0
+        self.maxcount = maxcount
+        self.sleeptime = sleeptime
+        threading.Thread.__init__(self)
+
+    def run(self):
+        print("SETTING UP RECEIVER GPIO")
+        self.gpio.cleanup()
+        self.gpio.setup(self.key, self.gpio.IN)
+        print("STARTING RECEIVE LOOP")
+        try:
+            while self.counter < self.maxcount:
+                pwmval = self.gpio.input(self.key)
+                print("SPWM VALUE: {0} @ {1}".format(pwmval, datetime.datetime.now()))
+                time.sleep(self.sleeptime)
+                self.counter += 1
+        except KeyboardInterrupt:
+            self.gpio.cleanup(self.key)
+
+if __name__ == "__main__":
+    # SETUP VARIABLES
+    SPWMGPIO = "XIO-P7"
+    RECEIVERGPIO = "CSID0"
+    COUNT = 200
+    SLEEPTIME = 0.01
+
+    # CLEANUP THE GPIO
+    GPIO.cleanup()
+    SPWM.cleanup()
+
+    # ISSUE #16 VERIFICATION
+    try:
+        print("VERIFYING FIX FOR ISSUE #16, GPIO CONFIGURED THAT SPWM WANTS TO USE")
+        GPIO.setup(SPWMGPIO, GPIO.OUT)
+        SPWM.start(SPWMGPIO, 50, 1)
+    except Exception as e:
+        print("EXCEPTION: {}".format(e))
+        print("GPIO CLEANUP")
+        GPIO.cleanup()
+
+    # SETUP SOFTPWM
+    print("STARTING SOFTPWM TEST")
+    SPWM.start(SPWMGPIO, 50, 1)
+    SPWM.set_frequency(SPWMGPIO, 2)
+
+    # SETUP SOFTPWM RECEIVER
+    rcvr = SPWMReceiver(GPIO, RECEIVERGPIO, COUNT, SLEEPTIME)
+    rcvr.start()
+
+    time.sleep(COUNT*SLEEPTIME + 1)
+
+    # CLEANUP
+    print("CLEANUP")
+    SPWM.stop(SPWMGPIO)
+    SPWM.cleanup()
+    GPIO.cleanup()
+
+