cc3200: Add factory smoke test as part of the tools.

cc3200/tools/smoke.py

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+import pyb
+import os
+
+"""
+Execute it like this:
+
+python3 run-tests --target wipy --device 192.168.1.1 ../cc3200/tools/smoke.py
+"""
+
+pin_map = [2, 1, 23, 24, 11, 12, 13, 14, 15, 16, 17, 22, 28, 10, 9, 8, 7, 6, 30, 31, 3, 0, 4, 5]
+test_bytes = os.urandom(2048)
+
+def test_pin_read (type):
+    # enable the pull resistor on all pins, then read the value
+    for p in pin_map:
+        pin = pyb.Pin('GP' + str(p), af= 0, mode=pyb.Pin.IN, type=type)
+        # read the pin value
+        print (pin.value())
+
+def test_pin_shorts (type):
+    if type == pyb.Pin.STD_PU:
+        type_inverted = pyb.Pin.STD_PD
+    else:
+        type_inverted = pyb.Pin.STD_PU
+    # enable all pulls of the specified type
+    for p in pin_map:
+        pin = pyb.Pin('GP' + str(p), af= 0, mode=pyb.Pin.IN, type=type_inverted)
+    # then change the pull one pin at a time and read its value
+    i = 0
+    while i < len(pin_map):
+        pin = pyb.Pin('GP' + str(pin_map[i]), af= 0, mode=pyb.Pin.IN, type=type)
+        pyb.Pin('GP' + str(pin_map[i - 1]), af= 0, mode=pyb.Pin.IN, type=type_inverted)
+        i += 1
+        # read the pin value
+        print (pin.value())
+
+test_pin_read(pyb.Pin.STD_PU)
+test_pin_read(pyb.Pin.STD_PD)
+test_pin_shorts(pyb.Pin.STD_PU)
+test_pin_shorts(pyb.Pin.STD_PD)
+
+# create a test directory
+os.mkdir('/flash/test')
+os.chdir('/flash/test')
+print(os.getcwd())
+# create a new file
+f = open ('test.txt', 'w')
+n_w = f.write (test_bytes)
+print (n_w == len(test_bytes))
+f.close()
+f = open('test.txt', 'r')
+r = bytes(f.readall(), 'ascii')
+# check that we can write and read it correctly
+print (r == test_bytes)
+f.close()
+os.remove('test.txt')
+os.chdir('..')
+os.rmdir('test')
+
+ls = os.listdir()
+print('test' not in ls)
+print(ls)
+

cc3200/tools/smoke.py.exp

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+/flash
+True
+True
+True
+['main.py', 'sys', 'lib', 'cert', 'boot.py']