micropython: add micropython component

components/language/micropython/tests/pyb/pyb_f405.py

@@ -0,0 +1,17 @@
+# test pyb module on F405 MCUs
+
+import os, pyb
+
+if not "STM32F405" in os.uname().machine:
+    print("SKIP")
+    raise SystemExit
+
+print(pyb.freq())
+print(type(pyb.rng()))
+
+# test HAL error specific to F405
+i2c = pyb.I2C(2, pyb.I2C.CONTROLLER)
+try:
+    i2c.recv(1, 1)
+except OSError as e:
+    print(repr(e))