Initial commit, working GPIO for all available CHIP GPIO pins, have not tested edge detection and callbacks

test/gptest.py

@@ -0,0 +1,35 @@
+#!/usr/bin/python
+
+import CHIP_IO.GPIO as GPIO
+import time, os
+
+print "SETUP CSIDO"
+GPIO.setup("CSID0", GPIO.OUT)
+
+#print os.path.exists('/sys/class/gpio/gpio132')
+
+print "SETUP XIO-P1"
+GPIO.setup("XIO-P1", GPIO.IN)
+#GPIO.setup("U14_13", GPIO.IN)
+
+print "READING XIO-P1"
+GPIO.output("CSID0", GPIO.HIGH)
+print "HIGH", GPIO.input("XIO-P1")
+
+GPIO.output("CSID0", GPIO.LOW)
+GPIO.output("CSID0", GPIO.LOW)
+time.sleep(1)
+print "LOW", GPIO.input("XIO-P1")
+
+GPIO.output("CSID0", GPIO.HIGH)
+GPIO.output("CSID0", GPIO.HIGH)
+print "HIGH", GPIO.input("XIO-P1")
+time.sleep(1)
+
+GPIO.output("CSID0", GPIO.LOW)
+GPIO.output("CSID0", GPIO.LOW)
+print "LOW", GPIO.input("XIO-P1")
+
+print "CLEANUP"
+GPIO.cleanup()
+

test/test_gpio_input.py

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+import pytest
+import os
+import time
+
+import CHIP_IO.GPIO as GPIO
+
+def teardown_module(module):
+    GPIO.cleanup()
+
+class TestGPIOInput:
+    def test_input(self):
+        GPIO.setup("CSID6", GPIO.IN)
+        #returned as an int type
+        input_value = GPIO.input("CSID6")
+        #value read from the file will have a \n new line
+        value = open('/sys/class/gpio/gpio138/value').read()
+        assert int(value) == input_value
+        time.sleep(30)
+        GPIO.cleanup()
+
+    def test_direction_readback(self):
+        GPIO.setup("CSID6", GPIO.IN)
+        direction = GPIO.gpio_function("CSID6")
+        assert direction == GPIO.IN

test/test_gpio_output.py

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+import pytest
+import os
+
+import CHIP_IO.GPIO as GPIO
+
+def teardown_module(module):
+    GPIO.cleanup()
+
+class TestGPIOOutput:
+    def test_output_high(self):
+        GPIO.setup("CSID6", GPIO.OUT)
+        GPIO.output("CSID6", GPIO.HIGH)
+        value = open('/sys/class/gpio/gpio138/value').read()
+        assert int(value)
+        GPIO.cleanup()
+
+    def test_output_low(self):
+        GPIO.setup("CSID6", GPIO.OUT)
+        GPIO.output("CSID6", GPIO.LOW)
+        value = open('/sys/class/gpio/gpio138/value').read()
+        assert not int(value)
+        GPIO.cleanup()
+
+    def test_direction_readback(self):
+        GPIO.setup("CSID6", GPIO.OUT)
+        direction = GPIO.gpio_function("CSID6")
+        assert direction == GPIO.OUT
+    def test_output_greater_than_one(self):
+        GPIO.setup("CSID6", GPIO.OUT)
+        GPIO.output("CSID6", 2)
+        value = open('/sys/class/gpio/gpio138/value').read()
+        assert int(value)
+        GPIO.cleanup()
+
+    def test_output_of_pin_not_setup(self):
+        with pytest.raises(RuntimeError):
+            GPIO.output("CSID7", GPIO.LOW)
+            GPIO.cleanup()
+
+    def test_output_setup_as_input(self):
+        GPIO.setup("CSID6", GPIO.IN)
+        with pytest.raises(RuntimeError):
+            GPIO.output("CSID6", GPIO.LOW)
+            GPIO.cleanup()

test/test_gpio_setup.py

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+import pytest
+import os
+
+import CHIP_IO.GPIO as GPIO
+
+def teardown_module(module):
+    GPIO.cleanup()
+
+class TestSetup:
+    def test_setup_output_key(self):
+        GPIO.setup("U14_37", GPIO.OUT)
+        assert os.path.exists('/sys/class/gpio/gpio138')
+        direction = open('/sys/class/gpio/gpio138/direction').read()
+        assert direction == 'out\n'
+        GPIO.cleanup()
+
+    def test_setup_output_name(self):
+        GPIO.setup("CSID6", GPIO.OUT)
+        assert os.path.exists('/sys/class/gpio/gpio138')
+        direction = open('/sys/class/gpio/gpio138/direction').read()
+        assert direction == 'out\n'
+        GPIO.cleanup()
+
+    def test_setup_input_key(self):
+        GPIO.setup("U14_37", GPIO.IN)
+        assert os.path.exists('/sys/class/gpio/gpio138')
+        direction = open('/sys/class/gpio/gpio138/direction').read()
+        assert direction == 'in\n'
+        GPIO.cleanup()
+
+    def test_setup_input_name(self):
+        GPIO.setup("CSID6", GPIO.IN)
+        assert os.path.exists('/sys/class/gpio/gpio138')
+        direction = open('/sys/class/gpio/gpio138/direction').read()
+        assert direction == 'in\n'
+        GPIO.cleanup()
+
+    def test_setup_input_pull_up(self):
+        GPIO.setup("U14_37", GPIO.IN, pull_up_down=GPIO.PUD_UP)
+        assert os.path.exists('/sys/class/gpio/gpio138')
+        direction = open('/sys/class/gpio/gpio138/direction').read()
+        assert direction == 'in\n'
+        GPIO.cleanup()
+
+    def test_setup_input_pull_down(self):
+        GPIO.setup("U14_37", GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+        assert os.path.exists('/sys/class/gpio/gpio138')
+        direction = open('/sys/class/gpio/gpio138/direction').read()
+        assert direction == 'in\n'
+        GPIO.cleanup()
+
+    def test_setup_cleanup(self):
+        GPIO.setup("U14_37", GPIO.OUT)
+        assert os.path.exists('/sys/class/gpio/gpio138')
+        GPIO.cleanup()
+        assert not os.path.exists('/sys/class/gpio/gpio138')
+
+    def test_setup_failed_type_error(self):
+        with pytest.raises(TypeError):
+            GPIO.setup("U14_37", "WEIRD")
+            GPIO.cleanup()
+
+    def test_setup_failed_value_error(self):
+        with pytest.raises(ValueError):
+            GPIO.setup("U14_37", 3)
+            GPIO.cleanup()
+
+    def test_setup_expanded_gpio(self):
+        GPIO.setup("XIO-P1", GPIO.OUT)
+        assert os.path.exists('/sys/class/gpio/gpio409')
+        GPIO.cleanup()
+        assert not os.path.exists('/sys/class/gpio/gpio409')